WEBVTT

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Thiago Rangel: Okay.

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Gilvan Alves: Right.

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Thiago Rangel: So I think I think it's not so good.

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Thiago Rangel: Okay, let me just make sure…

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Thiago Rangel: Bye.

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Thiago Rangel: So this is going to be a really quickly update of the start of the analysis.

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Thiago Rangel: So, the first thing I did was try to do the Finance Acceleration Analysis, and now optimize them as you guys did in the…

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Thiago Rangel: in the branch 2 analysis. So here are the scatter plots of the simulation and for the data.

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Thiago Rangel: So, here are the values of the optimal, mass, the…

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Thiago Rangel: Variant of the mass. So here.

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Thiago Rangel: Some of the values are quite, near as the…

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Thiago Rangel: run two ones, and here they are. So, 0.19 for the JPSI here, for the bin 3, and for the bin 5 and 7. So…

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Thiago Rangel: And here are the plots that you asked at the last meeting, I'll assume. So here you can see the difference of the mass, the veto.

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Thiago Rangel: So they are quite compatible as well for with the retro data.

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Thiago Rangel: And… yeah, this is it.

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Thiago Rangel: And now the other thing that I was trying to see was the fit gen results.

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Thiago Rangel: So now they're okay. So I'm really sorry about this one here because it was a lack of my attention.

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Thiago Rangel: when I try to to copy and paste the results. Maybe I was. I mistake some values there, and then I got the wrong results. So I'm spending a lot of time trying to see if I was missing something. The

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Thiago Rangel: the definition of the angles, or something like that, and it was something really stupid. It was my error.

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Thiago Rangel: So here are the results. So here for about P1 and P2.

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Thiago Rangel: as well, quite near as the one in Ranchu. And so I couldn't produce the…

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Thiago Rangel: the ratio plots in the in my world with this, this one here that's yours, because I think we you don't have this in a public the points in a public sites that I think was happy.

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Thiago Rangel: I'm sorry.

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Thiago Rangel: I don't remember the… now the name of the site that we… that we have all the…

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Thiago Rangel: the points of the data from… from CMS.

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Thiago Rangel: So, sorry for that. And of course, and just to clarify, this one here, Parity P0 and P1, because of the way that you…

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Thiago Rangel: the Click the the data sets so we can have a better statistic and then analyze it better. So

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Thiago Rangel: It's changing the parity of the event.

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Alessio Boletti: Sorry, question. Moving on. I didn't understand which ratio plot.

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Alessio Boletti: You want to produce… because, the bottom floor?

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Alessio Boletti: I have no.

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Thiago Rangel: Beautiful.

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Thiago Rangel: the… the… the… yeah, I don't… I know, this is one here for the Ricoh and the Gem. So I… what I wanted to do is,

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Thiago Rangel: a ratio plot to… a plot between the Run 3 data of the gem and the Run 2, but they are not available, at least I didn't find them.

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Thiago Rangel: That was just to compare, to see if they were quite… and.

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Alessio Boletti: But here, you're not… you would be comparing…

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Alessio Boletti: They did run two with the Monte Carlo GenLevel run three, right?

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Thiago Rangel: Mmh.

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Alessio Boletti: data entry.

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Alessio Boletti: Because we don't, of course, we don't have the data yet And… So, for the return 2,

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Alessio Boletti: Well, either you copy manually from,

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Alessio Boletti: from the results from the paper.

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Alessio Boletti: Indeed, before going public, we didn't have the result code.

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Alessio Boletti: With the values in a public repository.

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Alessio Boletti: I don't know if we can share a file, Paolo. Do you remember if there is a file with all the the table of the.

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Alessio Boletti: Results that is maybe easier to find.

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Alessio Boletti: Probably there is.

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Paolo Dini: My, are they in the, in some version of the analysis note, in appendix in some app?

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Alessio Boletti: No, no, no, but in a table, I think they can be found, right? But,

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Paolo Dini: But.

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Alessio Boletti: But I.

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Paolo Dini: Not in the plot.

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Alessio Boletti: But also, also…

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Alessio Boletti: Also in the, here we're talking about data, right, and not, Monte Carlo, so they're also in the paper.

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Alessio Boletti: It's a, they just.

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Paolo Dini: This is data, okay. We can check.

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Alessio Boletti: This is what I understood, Thiago, right? You want to compare data…

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Thiago Rangel: No, for this moment, what I wanted to do is to compare the both Monte Carlos to see if the gems, the fitting gems…

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Alessio Boletti: You want to compare the Gen Run 2 with the Gen Run 3?

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Thiago Rangel: Exactly.

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Thiago Rangel: To see if they are matching quite well, as I think they are.

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Thiago Rangel: -H.

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Alessio Boletti: The other side.

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Thiago Rangel: This should not be here, the aluminum.

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Paolo Dini: Of course, yes.

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Thiago Rangel: Okay, now I see the mistake. Sorry, guys.

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Alessio Boletti: Now.

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Paolo Dini: No, no, no, we understand that this is a simulation. Otherwise, I was worried about the underlying procedure. I think that the simulation results…

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Paolo Dini: Forum 2 should be… In the… in our analysis note.

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Paolo Dini: The simulation… I remember very well the presentation that you made about the bias Alessio.

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Paolo Dini: This stuff was, was, studied by you and, and also maybe, it may be, Sarah.

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Paolo Dini: And I remember, similar plots, so we… anyway, we can find them.

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Alessio Boletti: No, but yeah, like for sure these plots are based on some data saved in…

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Alessio Boletti: Either root files or some tables in the text files.

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Alessio Boletti: And we have to see if we are able to find them.

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Alessio Boletti: And…

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Alessio Boletti: I don't know if we had tables with all the results for all the parameters and all the beans for the chain values in the analysis note.

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Alessio Boletti: And.

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Thiago Rangel: Yeah. Well, from the notes, at least I don't. I didn't find any any table with this with these results here. So.

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Alessio Boletti: Mmhm.

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Thiago Rangel: So yeah, that's that's something just to be little bit more comparison.

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Thiago Rangel: And it's… Finally.

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Thiago Rangel: And finally, the P4 that's now in the right shape that should be. So this one here was a clear mistake of mine. So sorry for that.

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Thiago Rangel: when I copied the results from the PDF.

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Thiago Rangel: So now we are… Okay, and then now I can proceed with the… the recall step.

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Alessio Boletti: Okay, good.

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Alessio Boletti: No problem. In general, no problem. In general, it's a good practice. Try when you have a lot of parameters. It's not to copy them over, but try to save them in a…

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Alessio Boletti: In some file and then load them.

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Thiago Rangel: Yep.

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Alessio Boletti: Augusta Plata.

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Thiago Rangel: Yeah, this time I did this.

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Alessio Boletti: Good.

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Thiago Rangel: So this is it for the fitting and for the other parameters as well. So all of them quite in agreement with the…

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Thiago Rangel: at least in visual way, with the results from the run through. So that was the the things that I have been doing this this week.

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Thiago Rangel: And then I had some other question, because I tried to do the… the fitting.

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Thiago Rangel: Using Zfit.

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Thiago Rangel: the… to try to use your code and expiration, and then try to do, my code and defeat. That's it.

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Thiago Rangel: So I had a problem that I was trying to when I fit the parameters.

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Thiago Rangel: is that the P2 value, I think it was going out of the boundaries. So I think the P2 you are settled between between min 0.5 to 0.5, and it always converged to 0.7. But I think that's not the fiscal region, right?

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Alessio Boletti: And you should, but in your, sorry, in your RICO or the genre?

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Thiago Rangel: The jam, the jam.

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Alessio Boletti: Can you show the results?

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Alessio Boletti: You have them here?

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Thiago Rangel: Moment.

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Alessio Boletti: But we…

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Thiago Rangel: I.

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Thiago Rangel: Awk.

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Alessio Boletti: I'm not understanding your results in the…

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Alessio Boletti: The, the, the general results that the one you.

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Thiago Rangel: Yeah, using…

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Alessio Boletti: You too.

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Thiago Rangel: Oh yeah, using the code you guys passed me from Run 2, it's okay, it's completely fine.

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Alessio Boletti: Okay.

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Thiago Rangel: But when I try to do a little version of this code in Python using zfit.

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Thiago Rangel: Then I had the problem with the parameters that was not converging the right specified region. So I do have them. Just a moment. I should have put in this.

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Thiago Rangel: Indeed.

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Thiago Rangel: I'm trying to connect to… to Swan.

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Thiago Rangel: But I don't know if you guys,

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Thiago Rangel: saw something like that, and that's why you… because I didn't use the penalty terms that you guys use.

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Thiago Rangel: And maybe that's it. I don't know.

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Alessio Boletti: I don't believe so… well, but P2 in principle should be already defined between 0.5 and… Minus 2.5, 0.5.

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Alessio Boletti: It should be in the definition of the parameter, because that's not the complicated part of the boundary, it's just the range of the parameter itself.

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Alessio Boletti: Could be that there is a problem in the decay rate expression.

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Thiago Rangel: Hmm, I don't think so. Because I, I, this one I really tried to copy exactly was, it was.

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Thiago Rangel: So, just…

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Alessio Boletti: Okay.

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Thiago Rangel: Sorry for that, because I'm trying to log in.

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Thiago Rangel: This one.

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Thiago Rangel: But of course, that's something that's just, for my curiosity, try to do equals in Python.

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Alessio Boletti: Yeah, I don't.

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Thiago Rangel: Yeah, and the…

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Alessio Boletti: Okay, we can follow up, maybe offline, or,

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Thiago Rangel: Yeah, yeah, yeah.

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Alessio Boletti: Mmhm We want to…

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Thiago Rangel: Then the.

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Paolo Dini: So because you, Thiago, you are using your code version, a Python code that perform the feed.

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Thiago Rangel: Yep.

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Paolo Dini: And this is the problem is in your Python code. It works with using Minuit.

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Thiago Rangel: Using the notes.

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Paolo Dini: Okay.

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Paolo Dini: Okay.

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Paolo Dini: No, I have no idea for the moment.

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Thiago Rangel: So and then the next step I'm going to try to do is try to get the efficiency.

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Thiago Rangel: So… of the… the distribution in function of the of the angle terms, as you guys did to

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Thiago Rangel: then create the fits of the Rico, and then continue with the analysis as well.

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Thiago Rangel: So that's gonna be my next step for now.

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Thiago Rangel: And… Yeah. And another thing that I'm gonna… Putting on Metamorphose is the…

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Thiago Rangel: the poster for iChat, so to you guys to see if you guys like it.

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Thiago Rangel: And maybe some changes or anything like that.

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Thiago Rangel: So, yes, from my part, this is it, actually.

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Alessio Boletti: Okay, thank you. Can you show… Maybe again, the slides.

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Thiago Rangel: Sports, sorry.

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Alessio Boletti: No worries, no.

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Thiago Rangel: What is the name?

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Thiago Rangel: Sorry, the computer's a little bit lazy.

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Thiago Rangel: So, do you guys can see my screen?

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Thiago Rangel: I think so.

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Alessio Boletti: Yes.

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Alessio Boletti: We see it's not full screen, but we can see them.

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Thiago Rangel: It's not full screen.

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Alessio Boletti: The browser page.

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Thiago Rangel: What the… Just a… just a moment.

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Thiago Rangel: It should be on the screen.

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Thiago Rangel: Now it should be on full screen.

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Thiago Rangel: Thank you.

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Alessio Boletti: I see a white screen at the moment.

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Alessio Boletti: I don't know about others.

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Alessio Boletti: I… Yeah, okay. If you could screen the last slide, the six.

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Thiago Rangel: Okay.

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Alessio Boletti: Okay, yeah, okay.

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Alessio Boletti: So… I don't know, okay, let, do any people, any other people as… comment.

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Diego Torres: No, no, Kim, go ahead.

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Alessio Boletti: Okay.

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Alessio Boletti: Can you go to the slide,

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Alessio Boletti: So, can you remind me in slide… for the diagonal cut, so slides 1… 2 and 3?

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Alessio Boletti: Which is the optimization criterion for the cut?

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Thiago Rangel: The same one that you guys use in the rental, 5% for being… 3 and 5?

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Thiago Rangel: 3 and 7, or 3 and 5, and 1% for… 3 and 5 for being 3 and 5, and 1% of the background for being 7.

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Thiago Rangel: That's what I think of.

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Alessio Boletti: These 1%, these percentages are.

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Thiago Rangel: This percentage is the BP over the BTOT. The BP would be the… The expected, oh.

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Thiago Rangel: points of the… for example, the JPSCI and PSY2S that goes in the other bins, and the B total would be the background, so that would be the expected background from the data, minus the…

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Thiago Rangel: What we, the resonant, the non-resonant, points in the Montcalm.

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Alessio Boletti: So… Because this part, I don't clearly remember from… So,

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Alessio Boletti: The numerator is the number of Monte Carlo events from the Rational Monte Carlo.

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Thiago Rangel: Yeah, another country.

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Alessio Boletti: In, that appear in the Q-Square Beans.

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Alessio Boletti: Outside.

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Alessio Boletti: Right.

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Alessio Boletti: Yeah. While the denominator Is the amount of event… of… Basically, unbeatable background events, huh?

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Thiago Rangel: -H.

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Alessio Boletti: In the full queue, if you must range around in the side bender that is.

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Thiago Rangel: Only in the… in this being… this being region here. So it would be the…

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Thiago Rangel: The number of events of the data in this bin?

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Thiago Rangel: Minus the date of the…

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Thiago Rangel: events of signal region that of the signal of the our analysis. That would be the normal response.

197
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Thiago Rangel: So that would be the V…

198
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Thiago Rangel: Yeah? A bit good on the expected.

199
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Alessio Boletti: Okay, so the Monte Carlo before subtracting, of course, it's normalized to the statistics of the data.

200
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Thiago Rangel: Yeah, it is normalized. The Monte Carlo is normalized for the luminosity. Yes.

201
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Alessio Boletti: OK, and this is this normalization because it's done with just using the effective luminosity of the Monte Carlo.

202
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Alessio Boletti: Or there is a correction due to, Possible, Discrepancy between the… Number of scaled events.

203
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Alessio Boletti: From the Monte Carlo and number of actual events in data.

204
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Thiago Rangel: Because,

205
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Alessio Boletti: In the Rantu analysis, we went scaling according to the Monte Carlo statistics.

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Alessio Boletti: In GPSI, we observe that, the number of scale Monte Carlo events and number of, signal events in the, let's say, extracting the fit from the, from the data.

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Alessio Boletti: We're not matching, so there was a scale factor between, the two, so we…

208
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Alessio Boletti: We… after retrieving, like, after measuring the scale factor.

209
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Alessio Boletti: That we consider kind of, the Monte Carlo normalization scale factor.

210
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Alessio Boletti: From the chip side, we applied it to all the, all the other channels. So basically.

211
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Alessio Boletti: When we… when we count the amount of…

212
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Alessio Boletti: When we scale the number of background events to match the statistics in data, we don't.

213
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Thiago Rangel: Mmm.

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Alessio Boletti: Rasta the equivalent luminosity of the motor carlo.

215
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Alessio Boletti: But we correct it with this scale factor in order to match.

216
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Thiago Rangel: Okay.

217
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Alessio Boletti: I don't know.

218
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Thiago Rangel: Yeah.

219
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Alessio Boletti: Any competitors?

220
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Thiago Rangel: No, no.

221
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Alessio Boletti: Kinda.

222
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Thiago Rangel: No, I didn't. So when I.

223
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Thiago Rangel: I'm gonna.

224
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Alessio Boletti: Maybe one thing you could do is just check, because maybe there is no need to run to Monte Carlo situation.

225
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Thiago Rangel: Okay, I'm gonna check this.

226
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Alessio Boletti: Okay, but maybe starting from the GFCI, you can do…

227
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Alessio Boletti: a mass fitter and counting the yield of GPC events and then comparing to the

228
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Alessio Boletti: scale the Monte Carlo to see how they match.

229
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Thiago Rangel: Okay.

230
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Alessio Boletti: Okay.

231
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Alessio Boletti: Okay, thank you. But in any case, okay, I understand the procedure, and I believe, yeah, it should be…

232
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Alessio Boletti: Should be okay. Is there…

233
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Thiago Rangel: Okay.

234
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Alessio Boletti: I'm wondering if, from the data, we should use the full background… amount of background?

235
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Alessio Boletti: Or we should use only the sideband quantity, because We don't really use…

236
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Alessio Boletti: But okay, no, for now, I think,

237
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Alessio Boletti: It should be… it's a good, criterion then, in case…

238
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Alessio Boletti: we can refine. But what you show in the next slide, it's a Monte Carlo comparison now, so you have Monte Carlo in all distributions here.

239
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Thiago Rangel: Mmhm.

240
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Alessio Boletti: Okay.

241
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Alessio Boletti: So this is…

242
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Thiago Rangel: in the lines of the cuts.

243
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Alessio Boletti: Okay, this should, this is… showing… How much?

244
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Alessio Boletti: Wait, no, I'm not understanding. Is the…

245
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Alessio Boletti: In the Norwegian restaurant, Monte Carlo.

246
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Alessio Boletti: No, it's on Channel.

247
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Alessio Boletti: Why there is a difference between, in the central bin, between the, with respect, what does it mean with respect to GPSI?

248
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Thiago Rangel: This one here?

249
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Alessio Boletti: Yes. Well, you see that in the two non-resonant samples, I see one with respect to GPSI and one with respect to SiteWest.

250
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Thiago Rangel: Mmhm.

251
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Alessio Boletti: Because the X… like, the events are the same, but the X quantity changes.

252
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Thiago Rangel: It's different because, yeah, because of the cross-section, yeah.

253
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Alessio Boletti: I see.

254
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Alessio Boletti: So basically, okay, yeah, indeed, okay, yeah, the idea of this is to see how much signal it's…

255
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Alessio Boletti: How much efficiency is lost because of this grata on the signal.

256
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Thiago Rangel: Yeah, okay. Exactly.

257
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Alessio Boletti: Okay.

258
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Alessio Boletti: Yeah, it seems that we lose a big thing in the VIN 3.

259
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Alessio Boletti: But I guess this is… Inevitable.

260
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Alessio Boletti: Okay.

261
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Alessio Boletti: Okay, good.

262
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Alessio Boletti: Do you remember, or do you have attended, the value of the cut that we use for BIM 3 in Round 2?

263
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Alessio Boletti: Just to know…

264
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Thiago Rangel: Okay.

265
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Alessio Boletti: If it's a similar.

266
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Thiago Rangel: 0.2.

267
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Alessio Boletti: 0.2, okay, so the F impact is similar.

268
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Thiago Rangel: Exactly.

269
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Alessio Boletti: Okay. Okay, okay.

270
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Alessio Boletti: Thank you.

271
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Alessio Boletti: I don't have other questions.

272
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Paolo Dini: I have a question, a trivial question to the previous slides.

273
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Paolo Dini: is… In the, for example, in the right plot.

274
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Paolo Dini: The exclusion band around the Jeep side is

275
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Paolo Dini: Of course, it's not complete. This kind of a scatter plot is not completely

276
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Paolo Dini: this kind of situation. But it seems that there are a lot of japesa in this band that are not excluded.

277
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Thiago Rangel: You mean this part here?

278
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Paolo Dini: Yes, that,

279
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Thiago Rangel: How's the… Go ahead, Paul. Sorry.

280
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Paolo Dini: Yeah, no, no, no, please. It's it might be a problem of a presentation that I don't really understand.

281
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Thiago Rangel: So this part, this black part here, it belongs to the bin of the Jeep site, so once we are gonna remove it all, so…

282
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Thiago Rangel: So I don't see you…

283
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Thiago Rangel: Yeah, so that's… this part here, this cut here, these vertical cuts here, are from the Diamion mass, so we do a fit, and then get 3 sigma of the…

284
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Thiago Rangel: of the…

285
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Paolo Dini: Deep sea mass.

286
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Thiago Rangel: Of the GTIMAS, sorry. And then we're kind of a little bit losing this part here, but since we're gonna throw it all away on the analysis, so I didn't want to continue the…

287
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Thiago Rangel: the cuts. So, only cutting the bean tree that's been here.

288
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Paolo Dini: Okay.

289
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Paolo Dini: Okay, thank you.

290
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Alessio Boletti: I haven't.

291
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Thiago Rangel: Thank you for.

292
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Alessio Boletti: General comment on this. So at the moment, this cut is done assuming the same VIN as in RAN.

293
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Alessio Boletti: Of course, we know that we will have to redefine the binding according to the new scheme.

294
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Alessio Boletti: And in particular, the regions, these regions will be all affected because,

295
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Alessio Boletti: In the Rantu, we were, cutting as close as possible, to the cheap side with the 357 or the Psi Questa.

296
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Alessio Boletti: But in… like, with the new schema, we will have a VIN finishing at 8.

297
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Alessio Boletti: Massa, so…

298
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Thiago Rangel: Mmhm.

299
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Alessio Boletti: Masquerme, sorry, Masquerme a bit below 3.

300
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Alessio Boletti: And also for the bin five and bin seven, they will have different boundaries and maybe.

301
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Alessio Boletti: We can have an additional BIN if we manage.

302
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Alessio Boletti: In the between 8 and, like, in between these round numbers and,

303
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Alessio Boletti: And what we can achieve as close as possible to the GPU side.

304
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Alessio Boletti: But I don't believe, naively, I don't believe… I think this is still a valid study, a valid optimization, because…

305
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Alessio Boletti: When we split, for example, the Arab below the Egyptian side in multiple beings, huh?

306
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Alessio Boletti: Of course, we cannot do this optimization beam by beam.

307
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Alessio Boletti: It's something that needs to be done.

308
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Alessio Boletti: a single optimization, we will have a single diagonal cut, even if the region is split among more beans.

309
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Alessio Boletti: So… So, yeah, probably doing this exercise, assuming this, let's say, why they're beings…

310
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Alessio Boletti: And then, splitting the bean,

311
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Alessio Boletti: Farther, it's… it's… could be… could be still okay.

312
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Alessio Boletti: It's something that we can discuss as soon as we have the meeting.

313
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Alessio Boletti: Because I believe, okay, if you imagine going from,

314
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Alessio Boletti: For bin 3, if you move down the upper limit to square root of… Of 8, huh?

315
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Alessio Boletti: We will have, less background…

316
00:27:42.130 --> 00:27:47.270
Alessio Boletti: from the GPSI, but also it will be removed the less background from the…

317
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Alessio Boletti: Sorry, less contamination from the inside, but also the combinatorial background would be less affected.

318
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Alessio Boletti: All these probably in different proportions, like,

319
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Alessio Boletti: So, so it's not clear, it's not obvious what is the effect of.

320
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Alessio Boletti: Re-optimizing on a different range.

321
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Thiago Rangel: I see.

322
00:28:12.180 --> 00:28:21.570
Alessio Boletti: Okay, let's say for sure now the code is in place and I guess at some point also because for example, there is some work that you're doing on the…

323
00:28:22.860 --> 00:28:23.560
Alessio Boletti: And.

324
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Alessio Boletti: pre-selection and selection level that is still

325
00:28:29.040 --> 00:28:35.020
Alessio Boletti: Could still impact all this, right? Or their weighting of the Monte Carlo.

326
00:28:39.330 --> 00:28:39.960
Thiago Rangel: Okay.

327
00:28:39.960 --> 00:28:43.070
Alessio Boletti: Right? So, yeah, I assume,

328
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Alessio Boletti: I assume, once… but once this code is ready, I guess now it's easy, it's quick to rerun it.

329
00:28:52.520 --> 00:28:53.250
Alessio Boletti: Yeah. Right.

330
00:28:53.250 --> 00:28:54.169
Thiago Rangel: Yeah, it is.

331
00:28:54.510 --> 00:28:56.530
Alessio Boletti: Mmhm Okay.

332
00:28:56.670 --> 00:28:57.970
Alessio Boletti: Good, good, good.

333
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Alessio Boletti: Thank you.

334
00:29:03.230 --> 00:29:04.349
Alessio Boletti: Any other comments?

335
00:29:04.350 --> 00:29:04.930
Thiago Rangel: Okay.

336
00:29:06.020 --> 00:29:06.880
Alessio Boletti: Good question.

337
00:29:08.550 --> 00:29:13.210
nuno: So, for this Monte Carlo re-weighting, Satya, you're trying lots of…

338
00:29:13.710 --> 00:29:16.159
nuno: Methods last time, I mean…

339
00:29:17.010 --> 00:29:19.429
nuno: Did you have a… do you have a plan there?

340
00:29:20.580 --> 00:29:23.299
Thiago Rangel: Sorry for the waiting you were talking about.

341
00:29:23.300 --> 00:29:26.950
nuno: You're waiting, right? So you are investigating lots of options for that, right?

342
00:29:26.950 --> 00:29:28.360
Thiago Rangel: Yeah.

343
00:29:28.360 --> 00:29:28.970
nuno: I don't.

344
00:29:28.970 --> 00:29:29.640
Thiago Rangel: Thank you.

345
00:29:29.640 --> 00:29:32.700
nuno: Do you want to continue? I mean, did you decide what's the best?

346
00:29:33.760 --> 00:29:38.470
Thiago Rangel: So, actually, in my opinion, the best one should be the…

347
00:29:39.270 --> 00:29:53.920
Thiago Rangel: the… the approach that you guys did on Round 2, I think that was the approach, I don't know if it is the right approach, from trying to get the weight… the negative weight, and then distribute between the nearest, positive weights.

348
00:29:54.120 --> 00:30:08.330
Thiago Rangel: So in ones that we don't have a cluster of negative weights, so that might be the the best, the best shot. I don't know if the Bp. Once we present these on the Bp. Meetings, they they are. Gonna

349
00:30:08.850 --> 00:30:14.679
Thiago Rangel: talk a lot about this. But, yeah, for now, I think that's the best one, because

350
00:30:14.910 --> 00:30:34.629
Thiago Rangel: the graduate boosting waiter. Of course it's very good, as we saw, as we saw. But there is no metric to evaluate this in a good way for a record record we can construct. a log loss or something like that. We there is no way to construct because they are changing the the loss function.

351
00:30:35.010 --> 00:30:35.920
Thiago Rangel: And.

352
00:30:36.610 --> 00:30:43.920
Thiago Rangel: And for the other methods as well, there are one that I'm gonna try… sorry, and I didn't do it yet.

353
00:30:44.180 --> 00:30:47.859
Thiago Rangel: But it's using the exact maximum likelihood.

354
00:30:47.980 --> 00:31:05.270
Thiago Rangel: because instead of you using the S weights, you use the 15. It was. It was a little bit. So I'm I'm still trying to understand what the guy on the paper said to to try to implement this. But that's gonna be the the our at least my last.

355
00:31:05.950 --> 00:31:08.430
Thiago Rangel: Try to to do this re-weighting.

356
00:31:08.630 --> 00:31:12.610
Thiago Rangel: Because, yeah, I think that's one of the best shots that we have.

357
00:31:19.480 --> 00:31:20.030
nuno: Yeah, so.

358
00:31:20.030 --> 00:31:20.740
Thiago Rangel: Hello?

359
00:31:20.740 --> 00:31:25.120
nuno: Okay, good. I wonder if there's a standard in VPH indeed.

360
00:31:26.820 --> 00:31:38.070
Thiago Rangel: I don't know if there's a standard one, because I remember the Mexican group, they really go and unpasse in this part. So they really show the results and go, okay, this is it, and let's move on.

361
00:31:38.330 --> 00:31:41.650
Thiago Rangel: And then I should have asked that.

362
00:31:45.560 --> 00:32:05.349
Thiago Rangel: And that's another thing that I'm going to talk to you guys about. If you guys think that's enough, once I would decide which awaiting procedure and maybe this analysis here, the financial radiation and the fits of the gem that we could present again in the BPH Nano, the BPH meeting.

363
00:32:05.510 --> 00:32:09.529
Thiago Rangel: To show the results, to see if, oh, we're working here.

364
00:32:12.790 --> 00:32:19.130
nuno: Yeah, so I wonder if people go away in August, or in any case, you'll have less audience in August, so…

365
00:32:19.350 --> 00:32:20.200
Thiago Rangel: Mmhm.

366
00:32:20.200 --> 00:32:23.790
nuno: Oh… Yeah, looks like good idea to to do that. No.

367
00:32:25.990 --> 00:32:26.610
nuno: I mean, I.

368
00:32:26.610 --> 00:32:29.249
Alessio Boletti: Presenter when there are less audience, you mean?

369
00:32:29.250 --> 00:32:35.610
nuno: No, earlier if you can, but maybe… I don't know what the meetings are.

370
00:32:35.880 --> 00:32:43.310
Alessio Boletti: Yeah, I think there was a meeting this Monday that was canceled, so I believe the next one is going to be the 27th.

371
00:32:43.690 --> 00:32:44.210
nuno: Mmh.

372
00:32:44.210 --> 00:32:45.799
Alessio Boletti: I'm going to debate with the schedule

373
00:32:49.950 --> 00:32:51.510
Alessio Boletti: In.

374
00:32:52.320 --> 00:32:58.429
Alessio Boletti: Yeah, like, yeah, of course, for a presentation to the working group, it's always welcome.

375
00:32:58.680 --> 00:33:07.939
Alessio Boletti: In case, we should, probably have a,

376
00:33:08.260 --> 00:33:12.190
Alessio Boletti: A meeting before, between now and the presentation, I would propose.

377
00:33:12.190 --> 00:33:12.830
Thiago Rangel: Oops.

378
00:33:12.830 --> 00:33:17.700
Alessio Boletti: Also to have a discussion on the slides that you plan to present.

379
00:33:17.700 --> 00:33:18.290
Thiago Rangel: -H.

380
00:33:18.290 --> 00:33:26.169
Alessio Boletti: And in general, I believe, like, going forward, there's maybe meetings, like, presenting to the…

381
00:33:26.360 --> 00:33:29.430
Alessio Boletti: To the radicals will become more frequent.

382
00:33:30.490 --> 00:33:40.509
Alessio Boletti: I believe we can, in general, move the meeting to the week just before the case. Otherwise, between the last meeting we have and the…

383
00:33:40.720 --> 00:33:45.180
Alessio Boletti: And there are the cases, it's… it's,

384
00:33:45.870 --> 00:33:50.579
Alessio Boletti: It's going to be almost 2 weeks or so, it's a long time for…

385
00:33:51.680 --> 00:33:58.720
Alessio Boletti: Unless we want to have a dedicated of week meeting, To discuss the presentation, but…

386
00:33:59.540 --> 00:34:05.169
Alessio Boletti: I think it may be easier to just have the meetings just before there are the case ones.

387
00:34:05.290 --> 00:34:07.420
Alessio Boletti: If there are no preferences for…

388
00:34:09.050 --> 00:34:14.120
Alessio Boletti: The… which of the bi-weekly possibilities we choose.

389
00:34:16.590 --> 00:34:24.190
Diego Torres: Guys, sorry, maybe I missed something, but when, Tiago, are you planning to present in the meeting?

390
00:34:24.949 --> 00:34:29.769
Thiago Rangel: No, no, I don't plan to, I don't have a date in mind, so it's just,

391
00:34:31.049 --> 00:34:35.889
Thiago Rangel: A possibility, so we can show the work and say that we are working on this.

392
00:34:36.310 --> 00:34:37.110
Diego Torres: Okay.

393
00:34:39.120 --> 00:34:40.250
Thiago Rangel: So… Yeah.

394
00:34:44.860 --> 00:34:55.530
Alessio Boletti: Because, yeah, let's say the comment is that, well, the next option seems to be the 27th of July.

395
00:34:55.650 --> 00:34:58.649
Alessio Boletti: After that, sorry, the, yeah.

396
00:34:59.320 --> 00:35:00.969
Alessio Boletti: It sounds right.

397
00:35:01.140 --> 00:35:06.790
Alessio Boletti: After that, I believe, could be the 10th of August, but that's probably the lowest attendance

398
00:35:08.890 --> 00:35:15.050
Alessio Boletti: because of European and Italian summer period.

399
00:35:15.960 --> 00:35:16.670
Thiago Rangel: Mmhm.

400
00:35:18.140 --> 00:35:21.009
Alessio Boletti: Unless then we go end of August or beginning of September.

401
00:35:23.830 --> 00:35:30.689
Alessio Boletti: But yeah, okay. In any case, I would say, if you plan to present, like, in two weeks' time.

402
00:35:30.870 --> 00:35:34.680
Alessio Boletti: We may have a meeting, maybe, before that.

403
00:35:34.990 --> 00:35:38.000
Gilvan Alves: There's also the ice hat coming in the end of the season.

404
00:35:38.000 --> 00:35:39.700
Thiago Rangel: Yeah, there's also the AI chat.

405
00:35:39.700 --> 00:35:40.160
Alessio Boletti: Which one?

406
00:35:40.160 --> 00:35:45.539
Diego Torres: But this… It's starting on 30th July, so it'll be okay.

407
00:35:45.540 --> 00:35:53.359
Thiago Rangel: For me. Yeah, for me, actually, 27 is a little bit not good, because I also will be at another school in the past.

408
00:35:53.870 --> 00:35:56.319
Alessio Boletti: Okay. Yeah, then I agree.

409
00:35:56.320 --> 00:35:58.430
Thiago Rangel: Just reminded is, yeah, sorry.

410
00:35:59.300 --> 00:36:00.010
Alessio Boletti: Okay.

411
00:36:00.690 --> 00:36:05.129
Alessio Boletti: Then, okay, I believe then, it's either August or beginning of September.

412
00:36:05.320 --> 00:36:07.320
Alessio Boletti: Possibilities.

413
00:36:08.360 --> 00:36:15.220
Thiago Rangel: Yeah, I think we can discuss this a little bit more offline. So Elisa and Sandro and everyone else can participate.

414
00:36:15.800 --> 00:36:16.560
Alessio Boletti: Okay.

415
00:36:18.090 --> 00:36:20.170
Thiago Rangel: Yeah, from my side, I think this is it.

416
00:36:20.710 --> 00:36:24.089
nuno: But so, I mean, so about about this thing of the binning, maybe this was already.

417
00:36:24.490 --> 00:36:36.400
nuno: Oh, that's why they mentioned it. So so using the the old, I mean in terms of the strategy, it's maybe okay to continue using the old one. No, for for the moment, for even 1st presentations in the in the park.

418
00:36:37.000 --> 00:36:47.340
nuno: or and then move to the new ones, or or not. I mean. So I say this, because, as Alice was saying, this, this is going to be different for different binnings. Right? These contaminations are going to be

419
00:36:47.560 --> 00:36:52.909
nuno: less important and more important. So what is the strategy in terms of the meaning? We keep with the old one?

420
00:36:56.000 --> 00:37:05.619
Alessio Boletti: Well, my two cents is that, at some point, we have to move to the new one. So when, let's say, once we believe…

421
00:37:06.130 --> 00:37:08.909
Alessio Boletti: For sure we need to change before we believe.

422
00:37:09.090 --> 00:37:18.540
Alessio Boletti: rerunning everything from, with the new building, it's, it becomes too, too, too cumbersome, too much, too much work, you know.

423
00:37:18.790 --> 00:37:20.010
Alessio Boletti: So…

424
00:37:20.900 --> 00:37:31.689
Alessio Boletti: I wouldn't wait too much to move to the new one, but to move to the new one, also, we need some… probably some studies about which meaning we can afford, which…

425
00:37:32.340 --> 00:37:36.660
Alessio Boletti: How fine is the, is the building we can afford?

426
00:37:37.530 --> 00:37:39.070
Alessio Boletti: And.

427
00:37:40.570 --> 00:37:49.279
Alessio Boletti: Because, of course, there it's not, it's not yet defined, like, if we have, 2 GVBins, 1 GVBins, alpha GVBins, it's, it'

428
00:37:49.650 --> 00:37:57.970
Alessio Boletti: It's up to us, and to the statistics we can, we can, We have available…

429
00:37:58.760 --> 00:38:00.840
Alessio Boletti: So… yeah.

430
00:38:02.020 --> 00:38:04.410
Alessio Boletti: So naively I would say that.

431
00:38:07.430 --> 00:38:20.180
Alessio Boletti: Probably, we can also… we can also discuss the… based on… The yield that we observe.

432
00:38:21.120 --> 00:38:24.800
Alessio Boletti: Across the years, like, not only looking at 2022,

433
00:38:25.600 --> 00:38:31.719
Alessio Boletti: But also including the other years, because that's relevant as well.

434
00:38:32.730 --> 00:38:33.700
Alessio Boletti: Right? Cool.

435
00:38:36.320 --> 00:38:39.210
Alessio Boletti: Like it's a simultaneous feature.

436
00:38:39.620 --> 00:38:45.040
Alessio Boletti: Over the several years, if it's still, the plan is still the same as the round 2.

437
00:38:45.850 --> 00:38:49.670
Alessio Boletti: But, but…

438
00:38:49.840 --> 00:38:57.440
Alessio Boletti: like, the mass parameter are independent per year, so if we have not… not enough statistics one year, we could have,

439
00:38:58.150 --> 00:38:59.960
Alessio Boletti: Some convergence issues.

440
00:39:00.260 --> 00:39:02.240
Alessio Boletti: For the… for the mass parameters.

441
00:39:09.150 --> 00:39:13.979
Paolo Dini: Yes, and, just to remind, we will have a drop,

442
00:39:14.310 --> 00:39:19.630
Paolo Dini: In our statistics at the end of the entire.

443
00:39:20.040 --> 00:39:28.959
Paolo Dini: So you… So we will take care of the of it. So this is not possible to.

444
00:39:29.760 --> 00:39:35.369
Paolo Dini: produce a simple projection based on 2022.

445
00:39:36.080 --> 00:39:39.860
Paolo Dini: Also for the following years.

446
00:39:41.110 --> 00:39:54.450
Paolo Dini: It could be that we have in the last period, 2025, 2026, a dope, down to 30%.

447
00:39:57.770 --> 00:40:09.450
Paolo Dini: So this, yeah, I need, we, we need to, to study the, the beginning, when we, we, we are able, we, we are able to see all, all the statistics, I suppose.

448
00:40:10.090 --> 00:40:16.339
Alessio Boletti: Indeed. But in general, also, the integrated luminosity for each year is different, and also.

449
00:40:16.560 --> 00:40:19.020
Alessio Boletti: There are areas with more, more…

450
00:40:19.020 --> 00:40:20.089
Paolo Dini: This is Cora.

451
00:40:20.090 --> 00:40:20.809
Alessio Boletti: Take care.

452
00:40:21.000 --> 00:40:24.890
Alessio Boletti: So I believe 2025 and 2026 will be analyzed together.

453
00:40:25.550 --> 00:40:35.019
Alessio Boletti: This is the… so… Yeah, so we will have to see in each category of the fit.

454
00:40:35.650 --> 00:40:42.359
Alessio Boletti: What's the… What's the… statistics available there.

455
00:40:45.010 --> 00:40:45.600
Paolo Dini: Yep.

456
00:40:46.690 --> 00:40:47.340
Alessio Boletti: Yep.

457
00:40:47.450 --> 00:41:02.110
Alessio Boletti: Another thing also to pay attention is statistics in the sidebands, because a problem that we had in Round 2 was that the sidebands were, in some beans, at a very low population of events.

458
00:41:04.570 --> 00:41:07.519
Alessio Boletti: That the 3 dimensional description of the

459
00:41:08.330 --> 00:41:11.259
Alessio Boletti: Of the background was quite challenging.

460
00:41:11.470 --> 00:41:14.020
Alessio Boletti: So we should,

461
00:41:14.270 --> 00:41:22.090
Alessio Boletti: Also, they intend to count these not only the signal statistics. And this, I think it's also true for

462
00:41:22.770 --> 00:41:25.920
Alessio Boletti: The working point optimization for the big deal.

463
00:41:26.620 --> 00:41:36.240
Alessio Boletti: This is something that, who was mentioning, that… Just optimizing the signal significance.

464
00:41:37.240 --> 00:41:47.279
Alessio Boletti: could create problems later and induce some higher value of systematic uncertainties because of the background description.

465
00:41:50.570 --> 00:41:51.350
Thiago Rangel: Mmhm.

466
00:41:51.640 --> 00:41:52.570
Thiago Rangel: Okay.

467
00:41:52.960 --> 00:41:55.090
Alessio Boletti: But okay, for,

468
00:41:55.840 --> 00:42:05.419
Alessio Boletti: I think it's not trivial to decide. We don't have a clear value that will tell us, okay, this is the figure of merit to decide whether

469
00:42:06.980 --> 00:42:11.609
Alessio Boletti: the binning, which binning to use. I think we can start,

470
00:42:13.230 --> 00:42:18.460
Alessio Boletti: Yeah, I don't know. Testing options and seeing,

471
00:42:18.710 --> 00:42:22.660
Alessio Boletti: the statistics available, and then decide according to that.

472
00:42:26.400 --> 00:42:28.690
Alessio Boletti: And maybe, related to this,

473
00:42:29.610 --> 00:42:36.309
Alessio Boletti: This week we started, interacting with the summer students that,

474
00:42:36.870 --> 00:42:47.040
Alessio Boletti: that we'll start the project, here at LIP. We have two, two students, and maybe in one of the next meetings, they can connect and introduce themselves.

475
00:42:47.270 --> 00:42:54.159
Alessio Boletti: may present also the work they will have done. But so far, they're just getting familiar with the analysis and the

476
00:42:55.290 --> 00:43:03.050
Alessio Boletti: And thank you, Thiago, for the Anthropos. So they are starting to have a look at the 2022 Anthropos.

477
00:43:03.800 --> 00:43:05.300
Alessio Boletti: post selection.

478
00:43:09.280 --> 00:43:12.830
Paolo Dini: I… Hmmm.

479
00:43:13.180 --> 00:43:19.170
Paolo Dini: I'm reproducing again the entropols from Mini Audi.

480
00:43:20.250 --> 00:43:33.289
Paolo Dini: Unless you have modified the pre-selection, respect to those that we have decided to try, because otherwise it's not possible to have

481
00:43:35.120 --> 00:43:43.269
Paolo Dini: To finish all the jobs, let's say, and to have the full statistics. I'm not able to do that. Also, Luca.

482
00:43:43.710 --> 00:43:51.050
Paolo Dini: tied about the too, too, too much old time and so on.

483
00:43:51.050 --> 00:43:53.180
Alessio Boletti: But because they're too big, too large, yeah?

484
00:43:53.180 --> 00:43:53.810
Paolo Dini: Okay.

485
00:43:54.380 --> 00:44:04.009
Paolo Dini: Really, I don't know, too much memory, too much work time, and so on. So I…

486
00:44:04.130 --> 00:44:22.509
Paolo Dini: I modify little B and now, and I've started, from 2024 up to 2026, and also I've submitted the low pile up, statistics just to.

487
00:44:22.900 --> 00:44:25.439
Paolo Dini: For curiosity, if you want.

488
00:44:25.830 --> 00:44:36.120
Paolo Dini: And very slowly I get the results and manage to have a low.

489
00:44:36.310 --> 00:44:38.600
Paolo Dini: Low rate of failures.

490
00:44:38.970 --> 00:44:40.320
Paolo Dini: Let's say so.

491
00:44:40.510 --> 00:44:52.370
Paolo Dini: In the end, I hope to… to finish these areas, and Also submit the first tiers.

492
00:44:52.930 --> 00:45:11.710
Paolo Dini: And one of the simple tasks that I am interested to do is also for BPH general interest is to understand how we lose in terms of statistics because the aging of the detector.

493
00:45:13.510 --> 00:45:20.399
Paolo Dini: And so if just to comment, if you need some

494
00:45:22.170 --> 00:45:34.959
Paolo Dini: full run in anthropos based of mini Audi. Now we have Enough statistic to to.

495
00:45:36.720 --> 00:45:38.110
Paolo Dini: to use them.

496
00:45:38.390 --> 00:45:38.760
Alessio Boletti: Okay.

497
00:45:38.760 --> 00:45:39.800
Paolo Dini: Yeah, that was…

498
00:45:39.800 --> 00:45:44.289
Alessio Boletti: I ask, I ask Tiago because Tiago Swan had

499
00:45:44.430 --> 00:45:57.049
Alessio Boletti: I, I, we, we got to the postability selection, selectionability one, and poster waiting, so it's, like, we can already see a peak in the, in the data and so on.

500
00:45:57.190 --> 00:45:59.950
Alessio Boletti: It's a bit more student friendly.

501
00:46:00.190 --> 00:46:04.560
Alessio Boletti: In case, we will start working with them.

502
00:46:05.470 --> 00:46:07.710
Paolo Dini: Because it's like.

503
00:46:08.090 --> 00:46:10.959
Alessio Boletti: Yeah, so it's a 2-month project, a less than 2.

504
00:46:10.960 --> 00:46:12.890
Paolo Dini: Person to okay.

505
00:46:12.890 --> 00:46:13.260
Alessio Boletti: Yep.

506
00:46:14.130 --> 00:46:18.199
Paolo Dini: Yes, Diego is, yeah, Lee, a

507
00:46:20.430 --> 00:46:24.480
Paolo Dini: Has produced a lot of work, and quite,

508
00:46:26.220 --> 00:46:29.050
Paolo Dini: Interesting results. So I think that.

509
00:46:29.350 --> 00:46:34.219
Paolo Dini: Yeah, it's it's makes sense to base such.

510
00:46:35.030 --> 00:46:39.959
Paolo Dini: Such work on… on the entrepots producers by… by Tiago.

511
00:46:40.150 --> 00:46:41.180
Paolo Dini: Yeah, yeah.

512
00:46:42.110 --> 00:46:58.060
Alessio Boletti: OK, but in case they will want to play a bit with the selection, maybe we can also start having a look at this. We can see. And for sure, we will have also to — well, this is not for the project, but in general for the analysis.

513
00:46:58.370 --> 00:47:03.630
Alessio Boletti: Use now… I didn't check the slides from, Daniel yet.

514
00:47:03.960 --> 00:47:13.430
Alessio Boletti: But getting from these results some hints whether there are problems with the BPH nano, because in this case.

515
00:47:13.960 --> 00:47:17.289
Alessio Boletti: We will have to reconsider them.

516
00:47:19.090 --> 00:47:20.219
Paolo Dini: Yes, this…

517
00:47:20.220 --> 00:47:23.239
Alessio Boletti: Inter-reproducer or I don't know.

518
00:47:24.620 --> 00:47:29.369
Alessio Boletti: Well, staff for sure understand better the pH nano production.

519
00:47:32.020 --> 00:47:37.250
Alessio Boletti: But okay, yeah. But yeah, it was just to mention that we started this activity.

520
00:47:40.680 --> 00:47:44.190
Alessio Boletti: I don't know if there are other comments or questions in general.

521
00:47:49.750 --> 00:47:54.310
Alessio Boletti: Okay. Seems not the case. So let me stop recording.

