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Measurement of the W+W- and ZZ production cross sections in pp collisions at root s = 8 TeV

Abstract: The W+W? and ZZ production cross sections are measured in proton?proton collisions at ?s = 8 TeV with the CMS experiment at the LHC in data samples corresponding to an integrated luminosity of up to 5.3 fb?1. The measurements are performed in the leptonic decay modes W+W? ? ? ? and ZZ ? 22 , where = e,? and ( ) = e,?, ? . The measured cross sections ?(pp ? W+W?) = 69.9±2.8 (stat.)±5.6 (syst.)±3.1 (lum.) pb and ?(pp ? ZZ) = 8.4±1.0 (stat.)±0.7 (syst.)±0.4 (lum.) pb, for both Z bosons produced in the mass region 60 < mZ < 120 GeV, are consistent with standard model predictions. These are the first measurements of the diboson production cross sections at ?s = 8 TeV

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., Hörmann N., Hrubec J., Jeitler M., Kiesenhofer W., Knünz V., Krammer M., Krätschmer I., Liko D., Mikulec I., Pernicka M., Rabady D., Rahbaran B., Rohringer C., Rohringer H., Schöfbeck R., Strauss J., Taurok A., Waltenberger W., Wulz C.E., Mossolov V., Shumeiko N., Suar

Fuente: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2013, 721(4-5), 190-211

Editorial: Elsevier

Fecha de publicación: 01/04/2013

Nº de páginas: 22

Tipo de publicación: Artículo de Revista

DOI: 10.1016/j.physletb.2013.03.027

ISSN: 0370-2693,1873-2445

Url de la publicación: https://doi.org/10.1016/j.physletb.2013.03.027

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