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Angular coefficients of Z bosons produced in pp collisions at $\sqrt{s}$ = 8 TeV and decaying to $\mu^{+}\mu^{−}$ as a function of transverse momentum and rapidity


CMS Collaboration; Khachatryan, V; Sirunyan, A M; Tumasyan, A; Amsler, C; Canelli, F; Chiochia, V; Kilminster, B; Hreus, T; Hinzmann, A; De Cosa, A; Lange, C; Ngadiuba, J; Pinna, D; Robmann, P; Ronga, F J; Taroni, S; Yang, Y; et al (2015). Angular coefficients of Z bosons produced in pp collisions at $\sqrt{s}$ = 8 TeV and decaying to $\mu^{+}\mu^{−}$ as a function of transverse momentum and rapidity. Physics Letters B, 750:154-175.

Abstract

Measurements of the five most significant angular coefficients, $A_0$ through $A_4$ , for $Z$ bosons produced in $pp$ collisions at $\sqrt{s}$=8 TeV and decaying to $\mu^{+}\mu^{−}$ 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 19.7 $fb^{−1}$ . 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.

Abstract

Measurements of the five most significant angular coefficients, $A_0$ through $A_4$ , for $Z$ bosons produced in $pp$ collisions at $\sqrt{s}$=8 TeV and decaying to $\mu^{+}\mu^{−}$ 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 19.7 $fb^{−1}$ . 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.

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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:14 April 2015
Deposited On:16 Feb 2016 15:29
Last Modified:14 Feb 2018 11:07
Publisher:Elsevier
ISSN:0370-2693
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1016/j.physletb.2015.08.061
Related URLs:http://arxiv.org/abs/1504.03512v2

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