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Measurement of the Z boson differential cross section in transverse momentum and rapidity in proton-proton collisions at 8 TeV

Measurement of the Z boson differential cross section in transverse momentum and rapidity in proton-proton collisions at 8 TeV
Measurement of the Z boson differential cross section in transverse momentum and rapidity in proton-proton collisions at 8 TeV
We present a measurement of the Z boson differential cross section in rapidity and transverse momentum using a data sample of pp collision events at a centre-of-mass energy , corresponding to an integrated luminosity of 19.7 fb−1. The Z boson is identified via its decay to a pair of muons. The measurement provides a precision test of quantum chromodynamics over a large region of phase space. In addition, due to the small experimental uncertainties in the measurement the data has the potential to constrain the gluon parton distribution function in the kinematic regime important for Higgs boson production via gluon fusion. The results agree with the next-to-next-to-leading-order predictions computed with the fewz program. The results are also compared to the commonly used leading-order MadGraph and next-to-leading-order powheg generators.
0370-2693
187-209
Khachatryan, Vardan
375bcfe5-df1a-41ad-9a90-553e557ef6d6
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
The CMS Collaboration
Khachatryan, Vardan
375bcfe5-df1a-41ad-9a90-553e557ef6d6
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3

The CMS Collaboration (2015) Measurement of the Z boson differential cross section in transverse momentum and rapidity in proton-proton collisions at 8 TeV. Physics Letters B, 749, 187-209. (doi:10.1016/j.physletb.2015.07.065).

Record type: Article

Abstract

We present a measurement of the Z boson differential cross section in rapidity and transverse momentum using a data sample of pp collision events at a centre-of-mass energy , corresponding to an integrated luminosity of 19.7 fb−1. The Z boson is identified via its decay to a pair of muons. The measurement provides a precision test of quantum chromodynamics over a large region of phase space. In addition, due to the small experimental uncertainties in the measurement the data has the potential to constrain the gluon parton distribution function in the kinematic regime important for Higgs boson production via gluon fusion. The results agree with the next-to-next-to-leading-order predictions computed with the fewz program. The results are also compared to the commonly used leading-order MadGraph and next-to-leading-order powheg generators.

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More information

Accepted/In Press date: 26 July 2015
e-pub ahead of print date: 29 July 2015
Published date: October 2015
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 409650
URI: http://eprints.soton.ac.uk/id/eprint/409650
ISSN: 0370-2693
PURE UUID: 666de5a5-734d-4c3b-9541-265a2453f11f
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

Catalogue record

Date deposited: 01 Jun 2017 04:04
Last modified: 10 Dec 2019 01:42

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Contributors

Author: Vardan Khachatryan
Corporate Author: The CMS Collaboration

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