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Measurement of the rapidity and transverse momentum distributions of Z bosons in pp collisions at √(s)=7  TeV

(CMS Collaboration) Chatrchyan, S.; Brigljević, Vuko; Đurić, Senka; Kadija, Krešo; Luetić, Jelena; Morović, Srećko (2012) Measurement of the rapidity and transverse momentum distributions of Z bosons in pp collisions at √(s)=7  TeV. Physical Review D, 85 (3). 032002/1-032002/21. ISSN 1550-7998

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Abstract

Measurements of the normalized rapidity (y) and transverse-momentum (qT) distributions of Drell–Yan muon and electron pairs in the Z-boson mass region (60<Mℓℓ<120  GeV) are reported. The results are obtained using a data sample of proton-proton collisions at a center-of-mass energy of 7 TeV, collected by the CMS experiment at the Large Hadron Collider (LHC), corresponding to an integrated luminosity of 36  pb-1. The distributions are measured over the ranges |y|<3.5 and qT<600  GeV and compared with quantum chromodynamics (QCD) calculations using recent parton distribution functions to model the momenta of the quarks and gluons in the protons. Overall agreement is observed between the models and data for the rapidity distribution, while no single model describes the Z transverse-momentum distribution over the full range.

Item Type: Article
Uncontrolled Keywords: cms; z bosons
Subjects: NATURAL SCIENCES > Physics
NATURAL SCIENCES > Physics > Physics of Elementary Particles and Fields
NATURAL SCIENCES > Physics > Astronomy and Astrophysics
Divisions: Division of Experimental Physics
Projects:
Project titleProject leaderProject codeProject type
Eksperimentalna fizika na LHC energijama[93132] Krešo Kadija098-0982887-2878MZOS
Depositing User: Krešo Kadija
Date Deposited: 17 Sep 2013 11:53
Last Modified: 03 Feb 2016 15:06
URI: http://fulir.irb.hr/id/eprint/619
DOI: 10.1103/PhysRevD.85.032002

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