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Measurement of the Z?????? production cross section in pp collisions at s=8?TeV and limits on anomalous ZZ? and Z?? trilinear gauge boson couplings

Abstract: An inclusive measurement of the Z?????? production cross section in pp collisions at s=8TeV is presented, using data corresponding to an integrated luminosity of 19.6?fb?1 collected with the CMS detector at the LHC. This measurement is based on the observation of events with large missing energy and with a single photon with transverse momentum above 145GeV and absolute pseudorapidity in the range |?|<1.44. The measured Z?????? production cross section, 52.7±2.1?(stat)±6.4?(syst)±1.4?(lumi)?fb, agrees well with the standard model prediction of 50.0?2.2 +2.4?fb. A study of the photon transverse momentum spectrum yields the most stringent limits to date on the anomalous ZZ? and Z?? trilinear gauge boson couplings.

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

 Fuente: Physics Letters B, Vol.760, Pp. 448?468 (2016)

Editorial: Elsevier

 Fecha de publicación: 01/10/2016

Nº de páginas: 21

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.physletb.2016.06.080

ISSN: 0370-2693,1873-2445

Url de la publicación: https://doi.org/10.1016/j.physletb.2016.06.080

Autores/as

KHACHATRYAN, VLADIMIR

JUAN RAMON CASTIÑEIRAS DE SAA

PABLO DE CASTRO MANZANO

JUAN GARCIA FERRERO

MARIA AMPARO LOPEZ VIRTO

RAFAEL JOSE MARCO DE LUCAS

ANA YAIZA RODRIGUEZ MARRERO