Sampling the μν SSM for displaced decays of the tau left sneutrino LSP at the LHC

Essodjolo Kpatcha, Iñaki Lara, Daniel E. López-Fogliani, Carlos Muñoz, Natsumi Nagata, Hidetoshi Otono, Roberto Ruiz de Austri

研究成果: ジャーナルへの寄稿記事

抄録

Within the framework of the μνSSM , a displaced dilepton signal is expected at the LHC from the decay of a tau left sneutrino as the lightest supersymmetric particle (LSP) with a mass in the range 45–100 GeV. We compare the predictions of this scenario with the ATLAS search for long-lived particles using displaced lepton pairs in pp collisions, considering an optimization of the trigger requirements by means of a high level trigger that exploits tracker information. The analysis is carried out in the general case of three families of right-handed neutrino superfields, where all the neutrinos get contributions to their masses at tree level. To analyze the parameter space, we sample the μνSSM for a tau left sneutrino LSP with proper decay length cτ>0.1mm using a likelihood data-driven method, and paying special attention to reproduce the current experimental data on neutrino and Higgs physics, as well as flavor observables. The sneutrino is special in the μνSSM since its couplings have to be chosen so that the neutrino oscillation data are reproduced. We find that important regions of the parameter space can be probed at the LHC run 3.

元の言語英語
記事番号934
ジャーナルEuropean Physical Journal C
79
発行部数11
DOI
出版物ステータス出版済み - 11 1 2019

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Flavors
neutrinos
Physics
sampling
Sampling
decay
actuators
leptons
requirements
oscillations
physics
optimization
collisions
predictions

All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)

これを引用

Kpatcha, E., Lara, I., López-Fogliani, D. E., Muñoz, C., Nagata, N., Otono, H., & de Austri, R. R. (2019). Sampling the μν SSM for displaced decays of the tau left sneutrino LSP at the LHC. European Physical Journal C, 79(11), [934]. https://doi.org/10.1140/epjc/s10052-019-7412-1

Sampling the μν SSM for displaced decays of the tau left sneutrino LSP at the LHC. / Kpatcha, Essodjolo; Lara, Iñaki; López-Fogliani, Daniel E.; Muñoz, Carlos; Nagata, Natsumi; Otono, Hidetoshi; de Austri, Roberto Ruiz.

:: European Physical Journal C, 巻 79, 番号 11, 934, 01.11.2019.

研究成果: ジャーナルへの寄稿記事

Kpatcha, E, Lara, I, López-Fogliani, DE, Muñoz, C, Nagata, N, Otono, H & de Austri, RR 2019, 'Sampling the μν SSM for displaced decays of the tau left sneutrino LSP at the LHC', European Physical Journal C, 巻. 79, 番号 11, 934. https://doi.org/10.1140/epjc/s10052-019-7412-1
Kpatcha, Essodjolo ; Lara, Iñaki ; López-Fogliani, Daniel E. ; Muñoz, Carlos ; Nagata, Natsumi ; Otono, Hidetoshi ; de Austri, Roberto Ruiz. / Sampling the μν SSM for displaced decays of the tau left sneutrino LSP at the LHC. :: European Physical Journal C. 2019 ; 巻 79, 番号 11.
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