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Search for massive colored scalars in four-jet final states in root s=7 TeV proton-proton collisions with the ATLAS detector
DESY, D-2000 Hamburg, Germany .
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-8913-0981
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Number of Authors: 3005
2011 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 71, no 12, 1828- p.Article in journal (Refereed) Published
Abstract [en]

A search for pair-produced scalar particles decaying to a four-jet final state is presented. The analysis is performed using an integrated luminosity of 34 pb(-1) recorded by the ATLAS detector in 2010. No deviation from the Standard Model is observed. For a scalar mass of 100 GeV (190 GeV) the limit on the scalar gluon pair production cross section at 95% confidence level is 1 nb (0.28 nb). When these results are interpreted as mass limits, scalar-gluons (hyperpions) with masses of 100 to 185 GeV (100 to 155 GeV) are excluded at 95% confidence level with the exception of a mass window of width about 5 GeV (15 GeV) around 140 GeV.

Place, publisher, year, edition, pages
2011. Vol. 71, no 12, 1828- p.
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-71580DOI: 10.1140/epjc/s10052-011-1828-6ISI: 000298347800016ScopusID: 2-s2.0-84921530369OAI: diva2:487958
Author count 3005. QC 20120201Available from: 2012-02-01 Created: 2012-01-31 Last updated: 2012-03-12Bibliographically approved

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Grahn, Karl-JohanLund-Jensen, BengtStrandberg, Jonas
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