18–20 Dec 2023
Indian Institute of Technology Hyderabad
Asia/Kolkata timezone

Dynamic Radius Jet Clustering Algorithm

19 Dec 2023, 15:10
20m
Convention Center CC3 (IIT Hyderabad)

Convention Center CC3

IIT Hyderabad

Speaker

Dr Tousik Samui (Indian Institute of Science Education and Research Kolkata)

Description

The emergence of jets, bunches of collimated hadrons, in high-energy colliders is a prevalent phenomenon. In the current LHC context, along with traditional narrow QCD jets, the study of fat jets, which may appear as a result of the decay of a heavy particle, has become an essential part of collider studies. Current jet clustering algorithms, namely $k_t$-type sequential recombination algorithms, use fixed radius parameters for the formation of jets from the hadrons of an event in a collider. The appearance of differently-sized jets in a single event from such algorithms is, therefore, impossible to achieve. In our work, we made an attempt to form differently-sized jets via the dynamic radius chosen during the evolution of each jet. Instead of keeping the constant radius parameter of the standard $k_t$-type sequential recombination algorithms, we allowed the radius to vary dynamically based on the local kinematics and distribution in the $\eta$-$\phi$ plane around each evolving jet. In this talk, I will discuss our methodology of the dynamic radius jet algorithm. I will then present the usefulness of the algorithm at the 13~TeV LHC through some example processes from SM and BSM scenarios.

Reference publication/preprint https://doi.org/10.1103/PhysRevD.108.075004
Designation Postdoc
Institution Indian Institute of Science Education and Research Kolkata

Authors

Prof. Biswarup Mukhopadhyaya (Indian Institute of Science Education and Research Kolkata) Dr Ritesh Singh (Indian Institute of Science Education and Research Kolkata) Dr Tousik Samui (Indian Institute of Science Education and Research Kolkata)

Presentation materials