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8th International Conference on High Energy Physics in the LHC Era

9–13 Jan 2023
Universidad Técnica Federico Santa María
Chile/Continental timezone

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Session

Parallel session A

10 Jan 2023, 14:30

Conveners

Parallel session A: Beyond Standard Model

  • Alfonso Zerwekh (Universidad Tecnica Federico Santa Maria)

Parallel session A: Beyond Standard Model

  • Carolina Arbelaez

Presentation materials

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  1. 162. A renormalizable left-right symmetric model with low scale seesaw mechanisms
    Antonio Enrique Cárcamo Hernández
    10/01/2023, 14:30
    Beyond The Standard Model Physics
    parallel

    I will describe a low scale renormalizable extended left-right symmetric theory where the observed SM fermion mass hierarchy arises from a seesaw-like mechanism and the light active neutrino masses are generated from a radiative inverse seesaw. I will discuss its implications in charged lepton flavour violation, in the lepton and baryon asymmetries of the Universe, in the muon and electron...

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  2. 16. Supersymmetry in the adjoint representation of the conformal superalgebra
    Pedro Alvarez
    10/01/2023, 14:50
    Beyond The Standard Model Physics
    parallel

    We present a model based on an implementation of supersymmetry where matter fields are in the adjoint representation. We will discuss some of the details of the construction. We present a GUT model based on the conformal superalgebra. We present exact black-hole solutions, gravitating spinor solutions and non-trivial gauge configurations. We discuss the issue of anomalies in the context of GUT models.

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  3. 161. Searches for leptoquarks with the ATLAS detector
    Patrick Bauer (University of Bonn (DE))
    10/01/2023, 15:10
    Beyond The Standard Model Physics
    parallel

    Leptoquarks are predicted by many new physics theories to describe the similarities between the lepton and quark sectors of the Standard Model and offer an attractive potential explanation for the B-physics anomalies observed at LHCb and flavour factories. The ATLAS experiment has a broad program of direct searches for leptoquarks, coupling to the first-, second- or third-generation particles....

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  4. 363. RGE in semileptonic decays of mesons
    Jonatan Raul Vignatti Munoz (Federico Santa Maria Technical University (CL))
    10/01/2023, 15:30
    Plenary
  5. 176. Searches for resonances decaying to pairs of heavy bosons in ATLAS
    Alberto Annovi (INFN Sezione di Pisa, Università e Scuola Normale Superiore, Pisa)
    10/01/2023, 15:50
    Beyond The Standard Model Physics
    parallel

    Many new physics models predict the existence of resonances decaying into two bosons (W, Z, photon, or Higgs bosons) making these important signatures in the search for new physics. Searches for Vy, VV, and VH resonances have been performed in various final states. In some of these searches, jet substructure techniques are used to disentangle the hadronic decay products in highly boosted...

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  6. 175. Searches for supersymmetric particles with prompt decays with with the ATLAS detector
    Tomohiro Yamazaki (Lawrence Berkeley National Lab. (US))
    10/01/2023, 16:40
    Beyond The Standard Model Physics
    parallel

    Supersymmetry (SUSY) provides elegant solutions to several problems in the Standard Model, and searches for SUSY particles are an important component of the LHC physics program. This talk will present the latest results from SUSY searches conducted by the ATLAS experiment. The searches target multiple final states and different assumptions about the decay mode of the produced SUSY particles,...

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  7. 177. Searches for BSM physics using challenging and long-lived signatures with the ATLAS detector
    Neza Ribaric (Lancaster University (GB))
    10/01/2023, 17:00
    Beyond The Standard Model Physics
    parallel

    Various theories beyond the Standard Model predict new, long-lived particles with unique signatures which are difficult to reconstruct and for which estimating the background rates is also a challenge. Signatures from displaced and/or delayed decays anywhere from the inner detector to the muon spectrometer, as well as those of new particles with fractional or multiple values of the charge of...

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  8. 448. Radiative neutrino masses
    Antonio Enrique Cárcamo Hernández
    10/01/2023, 17:20
    Beyond The Standard Model Physics
    parallel

    I will present two models where light active neutrino masses are radiatively generated. In the first one the light active neutrino masses are generated at one loop level via a radiative seesaw mechanism mediated by the neutral components of the SU(3)L leptonic Octet and electrically neutral scalars. These SU(3)L leptonic Octet is crucial for achieving successful gauge coupling unification. The...

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  9. 447. Revisiting the scotogenic model with scalar dark matter
    Dr Ivania Maturana Ávila (Universidad Adolfo Ibáñez)
    10/01/2023, 17:40
    Beyond The Standard Model Physics
    parallel

    There are many models trying to explain some of the main current questions in physics. The scotogenic model presents both an explanation to neutrino masses and provides a dark matter candidate that can be a scalar or a fermion. In this work we focus on a real scalar as the dark matter candidate which is generated in a thermal freeze-out scenario. We study the parameter space of the model...

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