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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.
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
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