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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 √s=13 TeV with the ATLAS detector

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    0467521 - FZÚ 2017 RIV US eng J - Journal Article
    Aad, G. - Abbott, B. - Abdallah, J. - Chudoba, Jiří - Havránek, Miroslav - Hejbal, Jiří - Jakoubek, Tomáš - Kepka, Oldřich - Kupčo, Alexander - Kůs, Vlastimil - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Penc, Ondřej - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek - Vrba, Václav … Total 2847 authors
    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 √s=13 TeV with the ATLAS detector.
    Physical Review D. Roč. 94, č. 3 (2016), s. 1-32, č. článku 032003. ISSN 2470-0010. E-ISSN 2470-0029
    Institutional support: RVO:68378271
    Keywords : CERN LHC Coll * p p scattering * sbottom * intermediate state * ATLAS
    Subject RIV: BF - Elementary Particles and High Energy Physics
    Impact factor: 4.557, year: 2016

    A search for supersymmetry involving the pair production of gluinos decaying via third-generation squarks to the lightest neutralino (χ˜10) is reported. It uses an LHC proton-proton data set at a center-of-mass energy s=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 χ˜10 masses below approximately 700 GeV, gluino masses of less than 1.78 TeV and 1.76 TeV are 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 s=8  TeV data set.
    Permanent Link: http://hdl.handle.net/11104/0265618

     
     
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