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Search for dijet resonances in 7 TeV pp collisions at CMS

Abstract: A search for narrow resonances in the dijet mass spectrum is performed using data corresponding to an integrated luminosity of 2.9??pb?1 collected by the CMS experiment at the Large Hadron Collider. Upper limits at the 95% confidence level are presented on the product of the resonance cross section, branching fraction into dijets, and acceptance, separately for decays into quark-quark, quark-gluon, or gluon-gluon pairs. The data exclude new particles predicted in the following models at the 95% confidence level: string resonances, with mass less than 2.50 TeV, excited quarks, with mass less than 1.58 TeV, and axigluons, colorons, and E6 diquarks, in specific mass intervals. This extends previously published limits on these models.

 Autoría: Khachatryan V., Sirunyan A.M., Tumasyan A., Adam W., Bergauer T., Dragicevic M., Erö J., Fabjan C., Friedl M., Frühwirth R., Ghete V.M., Hammer J., Hänsel S., Hartl C., Hoch M., Hörmann N., Hrubec J., Jeitler M., Kasieczka G., Kiesenhofer W., Krammer M., Liko D., Mikulec I., Pernicka M., Rohringer H., Schöfbeck R., Strauss J., Taurok A., Teischinger F., Waltenberger W., Walzel G., Widl E., Wulz C.E., Mossolov V., Shumeiko N.,

 Fuente: Physical Review Letters, 2010, 105(21), 211801

 Editorial: American Physical Society

 Fecha de publicación: 01/11/2010

 Nº de páginas: 14

 Tipo de publicación: Artículo de Revista

 DOI: 10.1103/PhysRevLett.105.211801

 ISSN: 0031-9007,1079-7114

 Url de la publicación: https://doi.org/10.1103/PhysRevLett.105.211801

Autoría

MARIA CHAMIZO LLATAS

SHANHUEI CHUANG

MARTA FELCINI

MARCOS FERNANDEZ GARCIA

REBECA GONZALEZ SUAREZ

CLARA JORDA LOPE

PATRICIA LOBELLE PARDO

MARIA AMPARO LOPEZ VIRTO

RAFAEL JOSE MARCO DE LUCAS

MARIA DEL MAR SOBRON SAÑUDO