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Hunt for new phenomena using large jet multiplicities and missing transverse momentum with ATLAS in 4.7fb(-1) of root s=7 TeV proton-proton collisions
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
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Number of Authors: 2864
2012 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, Vol. 7, no 167Article in journal (Refereed) Published
Abstract [en]

Results are presented of a search for new particles decaying to large numbers of jets in association with missing transverse momentum, using 4.7 fb(-1) of pp collision data at root s = 7 TeV collected by the ATLAS experiment at the Large Hadron Collider in 2011. The event selection requires missing transverse momentum, no isolated electrons or muons, and from >= 6 to >= 9 jets. No evidence is found for physics beyond the Standard Model. The results are interpreted in the context of a MSUGRA/CMSSM supersymmetric model, where, for large universal scalar mass m(0), gluino masses smaller than 840 GeV are excluded at the 95% confidence level, extending previously published limits. Within a simplified model containing only a gluino octet and a neutralino, gluino masses smaller than 870 GeV are similarly excluded for neutralino masses below 100 GeV.

Place, publisher, year, edition, pages
2012. Vol. 7, no 167
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:kth:diva-103726DOI: 10.1007/JHEP07(2012)167ISI: 000307299800045Scopus ID: 2-s2.0-84885835472OAI: oai:DiVA.org:kth-103726DiVA: diva2:561535
Funder
Swedish Research CouncilKnut and Alice Wallenberg Foundation
Note

QC 20121019, Author count 2864

Available from: 2012-10-19 Created: 2012-10-19 Last updated: 2017-12-07Bibliographically approved

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Strandberg, Jonas

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