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First search for multijet resonances in vs=1.96TeV pp¯ collisions

Abstract: We present the first model independent search for three-jet hadronic resonances within multijet events in ?s=1.96??TeV p¯p collisions at the Fermilab Tevatron using the CDF II detector. Pair production of supersymmetric gluinos and squarks with hadronic R-parity violating decays is employed as an example of a new physics benchmark for this signature. Selection criteria based on the kinematic properties of an ensemble of jet combinations within each event help to extract signal from copious QCD background. No significant excess outside the top quark mass window is observed in data with an integrated luminosity of 3.2fb?1. We place 95% confidence level limits on the production cross section ?(p¯p?XX?)×BR(?g?g?3jet+3jet) where X, X?=?g, ?q, or ?¯q, with ?q, ?¯q??g+jet, as a function of gluino mass, in the range of 77??GeV/c2 to 240??GeV/c2.

Other publications of the same journal or congress with authors from the University of Cantabria

 Authorship: Aaltonen T., Álvarez González B., Amerio S., Amidei D., Anastassov A., Annovi A., Antos J., Apollinari G., Appel J.A., Apresyan A., Arisawa T., Artikov A., Asaadi J., Ashmanskas W., Auerbach B., Aurisano A., Azfar F., Badgett W., Barbaro-Galtieri A., Barnes V.E., Barnett B.A., Barria P., Bartos P., Bauce M., Bauer G., Bedeschi F., Beecher D., Behari S., Bellettini G., Bellinger J., Benjamin D., Beretvas A., Bhatti A., Binkley M.,

 Fuente: Physical Review Letters, 2011, 107(4), 042001

Publisher: American Physical Society

 Publication date: 01/07/2011

No. of pages: 7

Publication type: Artículo de Revista

 DOI: 10.1103/PhysRevLett.107.042001

ISSN: 0031-9007,1079-7114

Publication Url: https://doi.org/10.1103/PhysRevLett.107.042001

Authorship

AALTONEN, T.

BARBARA ALVAREZ GONZALEZ

BRUNO CASAL LARAÑA

FRANCISCO JAVIER CUEVAS MAESTRO

JOSE ENRIQUE PALENCIA CORTEZON