Measurements of the five most significant angular coefficients, A0 through A4, for Z bosons produced in pp collisions at sqrt(s)=8 TeV and decaying to μ+μ- are presented as a function of the transverse momentum and rapidity of the Z boson. The integrated luminosity of the dataset collected with the CMS detector at the LHC corresponds to 19.7fb−1. These measurements provide comprehensive information about the Z boson production mechanisms, and are compared to the QCD predictions at leading order, next-to-leading order, and next-to-next-to-leading order in perturbation theory.
Angular coefficients of Z bosons produced in pp collisions at s=8 TeV and decaying to μ+μ- as a function of transverse momentum and rapidity
Sola, V.;AMAPANE, Nicola Carlo;ARCIDIACONO, Roberta;ARGIRO', Stefano;ARNEODO, Michele;BELLAN, Riccardo;COSTA, Marco;COVARELLI, Roberto;MIGLIORE, Ernesto;MONACO, Vincenzo;OBERTINO, Maria Margherita;PACHER, LUCA;PELLICCIONI, Mario;ROMERO, Alessandra;RUSPA, Marta;SACCHI, Roberto;SOLANO, Ada Maria;
2015-01-01
Abstract
Measurements of the five most significant angular coefficients, A0 through A4, for Z bosons produced in pp collisions at sqrt(s)=8 TeV and decaying to μ+μ- are presented as a function of the transverse momentum and rapidity of the Z boson. The integrated luminosity of the dataset collected with the CMS detector at the LHC corresponds to 19.7fb−1. These measurements provide comprehensive information about the Z boson production mechanisms, and are compared to the QCD predictions at leading order, next-to-leading order, and next-to-next-to-leading order in perturbation theory.File in questo prodotto:
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