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10-1103-PhysRevD-94-032003.pdf (880.47 kB)

Search for pair production of gluinos decaying via stop and sbottom in events with b-jets and large missing transverse momentum in pp collisions at vs = 13 TeV with the ATLAS detector

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posted on 2023-06-09, 03:07 authored by Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, C A Chavez Barajas, Antonella De SantoAntonella De Santo, C T Potter, Fabrizio SalvatoreFabrizio Salvatore, I Santoyo Castillo, K Suruliz, Mark SuttonMark Sutton, Iacopo Vivarelli, et al. The Atlas Collaboration
A search for supersymmetry involving the pair production of gluinos decaying via third-generation squarks to the lightest neutralino (~?01 ) is reported. It uses an LHC proton-proton data set at a center-of-mass energy ¼ 13 TeV with an integrated luminosity of 3.2 fb-1 collected with the ATLAS detector in 2015. The signal is searched for in events containing several energetic jets, of which at least three must be identified as b jets, large missing transverse momentum, and, potentially, isolated electrons or muons. Large-radius jets with a high mass are also used to identify highly boosted top quarks. No excess is found above the predicted background. For ~?01 masses below approximately 700 GeV, gluino masses of less than 1.78 TeVand 1.76 TeVare excluded at the 95% C.L. in simplified models of the pair production of gluinos decaying via sbottom and stop, respectively. These results significantly extend the exclusion limits obtained with the vs = 8 TeV data set.


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Physical Review D




American Physical Society



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