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Search for supersymmetry in pp collisions at root s=7 TeV in final states with missing transverse momentum and b-jets
KTH, Skolan för teknikvetenskap (SCI), Fysik, Partikel- och astropartikelfysik.
KTH, Skolan för teknikvetenskap (SCI), Fysik, Partikel- och astropartikelfysik.
University of Chicago.ORCID-id: 0000-0002-8913-0981
Vise andre og tillknytning
Rekke forfattare: 30352011 (engelsk)Inngår i: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 701, nr 4, s. 398-416Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Results are presented of a search for supersymmetric particles in events with large missing transverse momentum and at least one heavy flavour jet candidate in root s = 7 TeV proton proton collisions. In a data sample corresponding to an integrated luminosity of 35 pb(-1) recorded by the ATLAS experiment at the Large Hadron Collider, no significant excess is observed with respect to the prediction for Standard Model processes. For R-parity conserving models in which sbottoms (stops) are the only squarks to appear in the gluino decay cascade, gluino masses below 590 GeV (520 GeV) are excluded at the 95% C.L. The results are also interpreted in an MSUGRA/CMSSM supersymmetry breaking scenario with tan beta = 40 and in an SO(10) model framework.

sted, utgiver, år, opplag, sider
2011. Vol. 701, nr 4, s. 398-416
Emneord [en]
Supersymmetry, ATLAS, LHC, Sbottom, Stop, Gluino
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-37411DOI: 10.1016/j.physletb.2011.06.015ISI: 000292994100005Scopus ID: 2-s2.0-79960210763OAI: oai:DiVA.org:kth-37411DiVA, id: diva2:433791
Forskningsfinansiär
Swedish Research Council
Merknad
QC 20110811. Antal författare: 3035.Tilgjengelig fra: 2011-08-11 Laget: 2011-08-11 Sist oppdatert: 2017-12-08bibliografisk kontrollert

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