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Measurement of the W+W- cross section in pp collisions at root s = 7 TeV and limits on anomalous WWy and WWZ couplings

Abstract: A measurement of W+W? production in pp collisions at s?=7 TeV is presented. The data were collected with the CMS detector at the LHC, and correspond to an integrated luminosity of 4.92±0.11 fb?1. The W+W? candidates consist of two oppositely charged leptons, electrons or muons, accompanied by large missing transverse energy. The W+W? production cross section is measured to be 52.4±2.0 (stat.)±4.5 (syst.)±1.2 (lum.) pb. This measurement is consistent with the standard model prediction of 47.0±2.0 pb at next-to-leading order. Stringent limits on the WW? and WWZ anomalous triple gauge-boson couplings are set.

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

Fuente: European Physical Journal C, 2013, 73(10), 2610, 1-22

Editorial: Springer New York LLC

Fecha de publicación: 01/10/2013

Nº de páginas: 22

Tipo de publicación: Artículo de Revista

DOI: 10.1140/epjc/s10052-013-2610-8

ISSN: 1434-6044,1434-6052

Url de la publicación: https://doi.org/10.1140/epjc/s10052-013-2610-8

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