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Search for heavy, top-like quark pair production in the dilepton final state in pp collisions at vs = 7 TeV

Abstract: The results of a search for pair production of a heavy, top-like quark, t?, in the decay mode t?t¯??bW+b¯W??b?+?b¯???¯ are presented. The search is performed with a data sample corresponding to an integrated luminosity of 5.0fb?1 in pp collisions at a center-of-mass energy of 7 TeV, collected by the CMS experiment at the LHC. The observed number of events agrees with the expectation from standard model processes, and no evidence of t?t¯? production is found. Upper limits on the production cross section as a function of t? mass are presented, and t? masses below 557GeV/c2 are excluded at the 95% confidence level.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Chatrchyan S., 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., Hörmann N., Hrubec J., Jeitler M., Kiesenhofer W., Krammer M., Liko D., Mikulec I., Pernicka M., Rahbaran B., Rohringer C., Rohringer H., Schöfbeck R., Strauss J., Taurok A., Teischinger F., Wagner P., Waltenberger W., Walzel G., Widl E., Wulz C.E., Mossolov V., Shumei

 Fuente: Physics Letters, Section B 716 (2012) 103-121

Editorial: Elsevier

 Año de publicación: 2012

Nº de páginas: 19

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.physletb.2012.07.059

ISSN: 0370-2693,1873-2445

Url de la publicación: https://doi.org/10.1016/j.physletb.2012.07.059

Autores/as

SHANHUEI CHUANG

MARTA FELCINI

CLARA JORDA LOPE

PATRICIA LOBELLE PARDO

MARIA AMPARO LOPEZ VIRTO

RAFAEL JOSE MARCO DE LUCAS

FRANCISCA JAVIELA MUÑOZ SANCHEZ

ANA YAIZA RODRIGUEZ MARRERO

MARIA DEL MAR SOBRON SAÑUDO