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29 March 2024
 
  » arxiv » 1611.3846

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Search for the bottom squarks in the baryonic R-parity violating MSSM
Debjyoti Bardhan ; Amit Chakraborty ; Debajyoti Choudhury ; Dilip Kumar Ghosh ; Manas Maity ;
Date 11 Nov 2016
AbstractWe consider a scenario of Minimal Supersymmetric Standard Model (MSSM) with $R$-parity violation, where the lightest supersymmetric particle (LSP) is the lighter sbottom $( ilde b_1)$. We study the production of sbottom pair at the LHC and their subsequent decays through the Baryon number violating $(U D D)$ operators of the $R$-parity violating MSSM. We choose the type of Baryon number violating operator such that the final state contains top pair with two light quarks. We then look for both semi-leptonic and fully hadronic (no leptons) final states. We perform both cut-based and multivariate analysis (MVA) to estimate the signal significance at the 13 TeV run of the LHC. We show that the sbottom mass $sim 650 $ GeV (using cut-based analysis) and $sim 750 $ GeV (using MVA) may be explored in the semi-leptonic channel assuming $300~{ m fb}^{-1}$ luminosity. Through our MVA analysis we show that the fully hadronic final state is not very promising to explore the LSP sbottom scenario due to large irreducible QCD background.
Source arXiv, 1611.3846
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