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Measurement of the ZZ production cross section and search for anomalous couplings in 2l2l' final states in pp collisions at root s=7 TeV

Abstract: A measurement is presented of the ZZ production cross section in the ZZ ? 2`2` 0 decay mode with ` = e, µ and ` 0 = e, µ, ? in proton-proton collisions at ? s = 7 TeV with the CMS experiment at the LHC. Results are based on data corresponding to an integrated luminosity of 5.0 fb?1 . The measured cross section ?(pp ? ZZ) = 6.24 +0.86 ?0.80 (stat.) +0.41 ?0.32 (syst.) ± 0.14 (lumi.) pb is consistent with the standard model predictions. The following limits on ZZZ and ZZ? anomalous trilinear gauge couplings are set at 95% confidence level: ?0.011 < fZ 4 < 0.012, ?0.012 < fZ 5 < 0.012, ?0.013 < f ? 4 < 0.015, and ?0.014 < f ? 5 < 0.014.

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., Aguilo E., 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., Knünz V., Krammer M., Krätschmer I., Liko D., Mikulec I., Pernicka M., Rahbaran B., Rohringer C., Rohringer H., Schöfbeck R., Strauss J., Taurok A., Waltenberger W., Walzel G., Widl E., Wulz C.E., Mossolov V

 Fuente: Journal of High Energy Physics, 2013, 1, 63

Editorial: Springer Verlag

 Fecha de publicación: 01/01/2013

Nº de páginas: 29

Tipo de publicación: Artículo de Revista

 DOI: 10.1007/JHEP01(2013)063

ISSN: 1126-6708,1029-8479

Url de la publicación: https://doi.org/10.1007/JHEP01(2013)063

Autoría

CHATRCHYAN, SERGUEI

JAVIER ANDRES BROCHERO CIFUENTES

SHANHUEI CHUANG

MARTA FELCINI

MARCOS FERNANDEZ GARCIA

ALBERTO GRAZIANO

CLARA JORDA LOPE

MARIA AMPARO LOPEZ VIRTO

RAFAEL JOSE MARCO DE LUCAS

FRANCISCA JAVIELA MUÑOZ SANCHEZ

ANA YAIZA RODRIGUEZ MARRERO