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Study of final-state radiation in decays of Z bosons produced in pp collisions at 7 TeV

Abstract: The differential cross sections for the production of photons in Z ? µ+µ-? decays are presented as a function of the transverse energy of the photon and its separation from the nearest muon. The data for these measurements are collected with the CMS detector and correspond to an integrated luminosity of 4.7 fb-1 of pp collisions at vs = 7??TeV delivered by the CERN LHC. The cross sections are compared to simulations with powheg and pythia, where pythia is used to simulate parton showers and final-state photons. These simulations match the data to better than 5%.

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

 Fuente: Phys. Rev. D, Vol. 91, Num. 9, Pag. 092012 (2015)

Editorial: American Physical Society

 Fecha de publicación: 01/05/2015

Nº de páginas: 24

Tipo de publicación: Artículo de Revista

 DOI: 10.1103/PhysRevD.91.092012

ISSN: 1550-7998,1550-2368,2470-0010,2470-0029

Proyecto español: FPA2014-55295-C3-1-R ; FPA 2011-28694-C02-01

Url de la publicación: https://doi.org/10.1103/PhysRevD.91.092012

Autores/as

KHACHATRYAN, VLADIMIR

JAVIER ANDRES BROCHERO CIFUENTES

MARCOS FERNANDEZ GARCIA

ALBERTO GRAZIANO

MARIA AMPARO LOPEZ VIRTO

RAFAEL JOSE MARCO DE LUCAS

FRANCISCA JAVIELA MUÑOZ SANCHEZ

ANA YAIZA RODRIGUEZ MARRERO