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Search for narrow resonances using the dijet mass spectrum in pp collisions at s√=8 TeV
Baringer, Philip S. Bean, Alice Benelli, Gabriele Kenny, R. P., III Murray, Michael J. Noonan, Danny Sanders, Stephen J. Stringer, Robert W. Tinti, Gemma Wood, Jeffrey Scott
Baringer, Philip S.
Bean, Alice
Benelli, Gabriele
Kenny, R. P., III
Murray, Michael J.
Noonan, Danny
Sanders, Stephen J.
Stringer, Robert W.
Tinti, Gemma
Wood, Jeffrey Scott
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Abstract
Results are presented of a search for the production of new particles decaying to pairs of partons (quarks, antiquarks, or gluons), in the dijet mass spectrum in proton-proton collisions at s√=8 TeV. The data sample corresponds to an integrated luminosity of 4.0 fb(−1), collected with the CMS detector at the LHC in 2012. No significant evidence for narrow resonance production is observed. Upper limits are set at the 95% confidence level on the production cross section of hypothetical new particles decaying to quark-quark, quark-gluon, or gluon-gluon final states. These limits are then translated into lower limits on the masses of new resonances in specific scenarios of physics beyond the standard model. The limits reach up to 4.8 TeV, depending on the model, and extend previous exclusions from similar searches performed at lower collision energies. For the first time mass limits are set for the Randall–Sundrum graviton model in the dijet channel.
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This is the publisher's version, also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.87.114015.
Date
2013-06-17
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American Physical Society
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Citation
S. Chatrchyan et al. (CMS Collaboration). (2013). "Search for narrow resonances using the dijet mass spectrum in pp collisions at s√=8 TeV." Physical Review D, 87(11):114015. http://dx.doi.org/10.1103/PhysRevD.87.114015.