# W and Z Production in the Forward Region at LHC

Müller, K (2011). W and Z Production in the Forward Region at LHC. Acta Physica Polonica B, 42(7):1531-1538.

## Abstract

Results are presented on the production of Z \rightarrow \mu \mu and W \rightarrow \mu \nu in the forward region at LHCb. The analysis is based on an integrated luminosity of 16.5 ±1.7 pb-1. The production cross-section for Z with muons in the pseudorapidity range 2<\eta \mu <4.5 and 81 Z <101 GeV is 74±2±3±7 pb and is also measured differentially in rapidity of the Z. The total cross-section for W production is \sigma W+(2<\eta <4.5) = 1007±48±101 pb and \sigma W-(2<\eta <4.5) = 680±40±68 pb in the lepton pseudorapidity range 2 < \eta < 4.5. The charge asymmetry is measured as a function of the lepton pseudorapidity. All results are in agreement with next to leading order perturbative QCD predictions.

## Abstract

Results are presented on the production of Z \rightarrow \mu \mu and W \rightarrow \mu \nu in the forward region at LHCb. The analysis is based on an integrated luminosity of 16.5 ±1.7 pb-1. The production cross-section for Z with muons in the pseudorapidity range 2<\eta \mu <4.5 and 81 Z <101 GeV is 74±2±3±7 pb and is also measured differentially in rapidity of the Z. The total cross-section for W production is \sigma W+(2<\eta <4.5) = 1007±48±101 pb and \sigma W-(2<\eta <4.5) = 680±40±68 pb in the lepton pseudorapidity range 2 < \eta < 4.5. The charge asymmetry is measured as a function of the lepton pseudorapidity. All results are in agreement with next to leading order perturbative QCD predictions.

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Contributors: LHCb Collaboration Journal Article, refereed, original work 07 Faculty of Science > Physics Institute 530 Physics English 2011 30 Aug 2011 11:23 17 Feb 2018 13:36 Jagiellonian University, Institute of Physics 0587-4254 Konferenzbeitrag: Cracow Epiphany Conference on the First Year of the LHC, 10 - 12 Jan 2011, Cracow, Poland Green https://doi.org/10.5506/APhysPolB.42.1531 http://arxiv.org/abs/1109.3371http://cdsweb.cern.ch/record/1322669 (Organisation)

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