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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, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
University of Chicago.ORCID iD: 0000-0002-8913-0981
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Number of Authors: 3035
2011 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 701, no 4, 398-416 p.Article in journal (Refereed) 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.

Place, publisher, year, edition, pages
2011. Vol. 701, no 4, 398-416 p.
Keyword [en]
Supersymmetry, ATLAS, LHC, Sbottom, Stop, Gluino
National Category
Subatomic Physics
URN: urn:nbn:se:kth:diva-37411DOI: 10.1016/j.physletb.2011.06.015ISI: 000292994100005ScopusID: 2-s2.0-79960210763OAI: diva2:433791
Swedish Research Council
QC 20110811. Antal författare: 3035.Available from: 2011-08-11 Created: 2011-08-11 Last updated: 2012-02-14Bibliographically approved

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Grahn, Karl-JohanLund-Jensen, BengtStrandberg, JonasLafaye, Remi
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