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First measurement of the Z→μ+μ- angular coefficients in the forward region of pp collisions at √s=13 TeV

The first study of the angular distribution of mu(+) mu(-) pairs produced in the forward rapidity region via the Drell-Yan reaction pp -> gamma*/Z + X -> l(+) l(-) + X is presented, using data collected with the LHCb detector at a center-of-mass energy of 13 TeV, corresponding to an integrated...

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Main Authors: Aaij, Roel (Author) , Abdelmotteleb, A. S. W. (Author) , Archilli, Flavio (Author) , Bachmann, Sebastian (Author) , Berninghoff, Daniel (Author) , Borsato, Martino (Author) , Frau, Giulia (Author) , Gerick, David (Author) , Grabowski, Jascha (Author) , Günther, Paul André (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Hu, Jiangqiao (Author) , Kopecná, Renata (Author) , Leverington, Blake (Author) , Li, Peilian (Author) , Marks, Jörg (Author) , Unverzagt, Daniel Joachim (Author) , Uwer, Ulrich (Author) , Witola, Lukas (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: August 24, 2022
In: Physical review letters
Year: 2022, Volume: 129, Issue: 9
ISSN:1079-7114
DOI:10.1103/PhysRevLett.129.091801
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.129.091801
Verlag, lizenzpflichtig, Volltext: https://www.webofscience.com/api/gateway?GWVersion=2&SrcAuth=DynamicDOIArticle&SrcApp=WOS&KeyAID=10.1103%2FPhysRevLett.129.091801&DestApp=DOI&SrcAppSID=EUW1ED0D29kfhoyLk17hjQKfT4PrC&SrcJTitle=PHYSICAL+REVIEW+LETTERS&DestDOIRegistrantName=American+Physical+Society
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Author Notes:R. Aaij et al. (LHCb Collaboration)
Description
Summary:The first study of the angular distribution of mu(+) mu(-) pairs produced in the forward rapidity region via the Drell-Yan reaction pp -> gamma*/Z + X -> l(+) l(-) + X is presented, using data collected with the LHCb detector at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.1 fb(-1). The coefficients of the five leading terms in the angular distribution are determined as a function of the dimuon transverse momentum and rapidity. The results are compared to various theoretical predictions of the Z-boson production mechanism and can also be used to probe transverse-momentum-dependent parton distributions within the proton.
Item Description:LHCb Collaboration: R. Aaij, S.W. Abdelmotteleb, C. Abellan Beteta, F. Abudinen, T. Ackernley, F. Archilli, S. Bachmann, D. Berninghoff, M. Borsato, R. Caspary, G. Frau, D. Gerick, J.P. Grabowski, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, J. Hu, R. Kopecna, J. Kubat, B. Leverington, P. Li, S.H. Malygina, J. Marks, R. Skuza, T.D.J. Unverzagt, U. Uwer, R. Waldi, C. Wang, J. Wang, J. Wang, J. Wang, J. Wang, M. Wang, R. Wang, Y. Wang, Z. Wang, Z. Wang, Z. Wang, L. Witola, A. Zhelezov [und viele weitere]
Im Titel ist das Plus- und das Minuszeichen jeweils hochgestellt
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Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.129.091801

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