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

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LHCb Collaboration (Including:

Abdelmotteleb, A. S. W., Abudinén, F., Back, J. J., Beck, A., Blake, T., Brossa Gonzalo, A., Cicala, M. F., Costa Sobral, C. M., Garcia Martin, L. M., Gershon, T. J. et al.
). (2022) First measurement of the Z→μ+μ− angular coefficients in the forward region of pp collisions at √s=13   TeV. Physical Review Letters, 129 (9). 091801. doi:10.1103/PhysRevLett.129.091801 ISSN 0031-9007.

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Official URL: https://doi.org/10.1103/PhysRevLett.129.091801

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Abstract

The first study of the angular distribution of μ+μ− pairs produced in the forward rapidity region via the Drell-Yan reaction pp→γ∗/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 Type: Journal Article
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
Journal or Publication Title: Physical Review Letters
Publisher: American Physical Society
ISSN: 0031-9007
Official Date: 24 August 2022
Dates:
DateEvent
24 August 2022Published
13 July 2022Accepted
Volume: 129
Number: 9
Article Number: 091801
DOI: 10.1103/PhysRevLett.129.091801
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access (Creative Commons)
Copyright Holders: © 2022 CERN, for the LHCb Collaboration
Date of first compliant deposit: 26 October 2022
Date of first compliant Open Access: 26 October 2022
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
UNSPECIFIEDCERNUNSPECIFIED
UNSPECIFIEDCAPES brazilUNSPECIFIED
UNSPECIFIEDCNPqUNSPECIFIED
UNSPECIFIEDFAPERJUNSPECIFIED
UNSPECIFIEDFINEPUNSPECIFIED
UNSPECIFIEDMinistry of Science and Technology of the People's Republic of Chinahttp://dx.doi.org/10.13039/501100002855
UNSPECIFIED[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
UNSPECIFIED[CNRS] Centre National de la Recherche Scientifiquehttp://dx.doi.org/10.13039/501100004794
UNSPECIFIEDInstitut national de physique nucléaire et de physique des particuleshttp://viaf.org/viaf/137207166
UNSPECIFIEDBundesministerium für Bildung und Forschunghttp://dx.doi.org/10.13039/501100002347
UNSPECIFIED[DFG] Deutsche Forschungsgemeinschafthttp://dx.doi.org/10.13039/501100001659
UNSPECIFIEDMax-Planck-Gesellschafthttp://dx.doi.org/10.13039/501100004189
UNSPECIFIED[INFN] Instituto Nazionale di Fisica Nuclearehttp://dx.doi.org/10.13039/501100004007
UNSPECIFIED[NWO] Nederlandse Organisatie voor Wetenschappelijk Onderzoekhttp://dx.doi.org/10.13039/501100003246
UNSPECIFIEDMinisterstwo Edukacji i NaukiUNSPECIFIED
UNSPECIFIEDNarodowe Centrum Naukihttp://dx.doi.org/10.13039/501100004281
UNSPECIFIEDInstitutul de Fizică Atomică UNSPECIFIED
UNSPECIFIEDMinES russiaUNSPECIFIED
UNSPECIFIEDFASOUNSPECIFIED
UNSPECIFIED[MINECO] Ministerio de Economía y Competitividadhttp://dx.doi.org/10.13039/501100003329
UNSPECIFIED[SNSF] Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschunghttp://dx.doi.org/10.13039/501100001711
UNSPECIFIEDNational Academy of Sciences of Ukrainehttp://dx.doi.org/10.13039/501100004742
UNSPECIFIED[STFC] Science and Technology Facilities Councilhttp://dx.doi.org/10.13039/501100000271
UNSPECIFIED[NSF] National Science Foundation (US)http://dx.doi.org/10.13039/100000001

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