Measurement of the Z boson production cross-section in proton-lead collisions at √sNN = 8.16 TeV

The LHCb collaboration

doi:10.1007/JHEP06(2023)022

Measurement of the Z boson production cross-section in proton-lead collisions at √sNN = 8.16 TeV

The LHCb collaboration

University of Modena and Reggio Emilia
Science Park 105
University of Warwick
Physik-Institut der Universität Zürich
University of Liverpool
Universidade de Santiago de Compostela
University of Bristol
Clermont-Auvergne University
Sorbonne Université
University of Michigan, Ann Arbor
Sezione INFN di Milano
University of Cincinnati
University of Dortmund
European Organization for Nuclear Research
University of Glasgow
University of Barcelona
University of Manchester
University of Cambridge
Instituto de Biofisica da UFRJ
Université Paris-Saclay
Istituto Nazionale di Fisica Nucleare, Sezione di Firenze
Sezione INFN di Ferrara
Syracuse University
University of Chinese Academy of Sciences
University of Heidelberg
Aix-Marseille Université
Ip Paris
ENAC-IIC-GEL
Centro Brasileiro de Pesquisas Fisicas
University of Florence
Imperial College London
RWTH Aachen University
Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
Scuola Normale Superiore di Pisa
Institute of High Energy Physics, Chinese Academy of Sciences
LNF-INFN
University of Padova
Institute for Nuclear Physics
Wuhan University
University of Birmingham
Maastricht University
University of Maryland, College Park
Sezione INFN di Cagliari
South China Normal University
University of Ferrara
INFN Sezione di Milano-Bicocca
University of Milano-Bicocca
Universitat Ramon LLull - CSIC
INFN Sezione di Bologna
University of Bologna
INFN Roma Tor Vergata
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University of Genoa
University of Oxford
Laboratoire de Physique des Particules
Tsinghua University
Institute of Nuclear Research, National Academy of Sciences in Ukraine
University of Edinburgh
Horia Hulubei National Institute of Physics and Nuclear Engineering
INFN Sezione di Bari
Massachusetts Institute of Technology
MST-8, Los Alamos National Laboratory
Universidad Nacional Autónoma de Honduras
Hunan University
ICS/University of Groningen
Università degli studi di Bari Aldo Moro
Universitá di Cagliari
Eötvös Loránd University
University College Dublin
INFN Sezione di Perugia
CCLRC Rutherford Appleton Laboratory
Monash University
Uppsala University
Agh University of Science and Technology Faculty of Computer Science
State Key Laboratory of Nuclear Physics and Technology
National Centre for Nuclear Research (NCBJ)
University of Rome “Tor Vergata”
Pontifícia Universidade Católica do Rio de Janeiro
Universidade Federal Do Triângulo Mineiro (UFTM)
Central China Normal University
University of Valencia
Kharkov Institute of Physics and Technology
Vrije Universiteit Amsterdam
University of Siena
University of Milano
Central South University
University of Perugia
Sezione di Roma
University Bonn
Technische Universität München
University of Pisa
Universidad Nacional de Colombia
Università degli Studi della Basilicata
Max-Planck-Institut für Kernphysik
University of Urbino Carlo Bo

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Résumé

This article presents the first measurement of the differential Z-boson production cross-section in the forward region using proton-lead collisions with the LHCb detector. The dataset was collected at a nucleon-nucleon centre-of-mass energy of sNN = 8.16 TeV in 2016, corresponding to an integrated luminosity of 30.8 nb⁻¹. The forward-backward ratio and the nuclear modification factors are measured together with the differential cross-section as functions of the Z boson rapidity in the centre-of-mass frame, the transverse momentum of the Z boson and a geometric variable ϕ^*. The results are in good agreement with the predictions from nuclear parton distribution functions, providing strong constraining power at small Bjorken-x. [Figure not available: see fulltext.]

langue originale	Anglais
Numéro d'article	22
journal	Journal of High Energy Physics
Volume	2023
Numéro de publication	6
Les DOIs	https://doi.org/10.1007/JHEP06(2023)022
état	Publié - 1 juin 2023

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10.1007/JHEP06(2023)022

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@article{d8084070d98a4d72ae4b4aa4e89fac58,

title = "Measurement of the Z boson production cross-section in proton-lead collisions at √sNN = 8.16 TeV",

abstract = "This article presents the first measurement of the differential Z-boson production cross-section in the forward region using proton-lead collisions with the LHCb detector. The dataset was collected at a nucleon-nucleon centre-of-mass energy of sNN = 8.16 TeV in 2016, corresponding to an integrated luminosity of 30.8 nb−1. The forward-backward ratio and the nuclear modification factors are measured together with the differential cross-section as functions of the Z boson rapidity in the centre-of-mass frame, the transverse momentum of the Z boson and a geometric variable ϕ*. The results are in good agreement with the predictions from nuclear parton distribution functions, providing strong constraining power at small Bjorken-x. [Figure not available: see fulltext.]",

keywords = "Electroweak Interaction, Heavy Ion Experiments, Heavy-Ion Collision",

author = "\{The LHCb collaboration\} and R. Aaij and Abdelmotteleb, \{A. S.W.\} and \{Abellan Beteta\}, C. and F. Abudin{\'e}n and T. Ackernley and B. Adeva and M. Adinolfi and H. Afsharnia and C. Agapopoulou and Aidala, \{C. A.\} and S. Aiola and Z. Ajaltouni and S. Akar and K. Akiba and J. Albrecht and F. Alessio and M. Alexander and \{Alfonso Albero\}, A. and Z. Aliouche and \{Alvarez Cartelle\}, P. and R. Amalric and S. Amato and Amey, \{J. L.\} and Y. Amhis and L. An and L. Anderlini and M. Andersson and A. Andreianov and M. Andreotti and D. Andreou and D. Ao and F. Archilli and A. Artamonov and M. Artuso and E. Aslanides and M. Atzeni and B. Audurier and S. Bachmann and M. Bachmayer and Back, \{J. J.\} and A. Bailly-reyre and \{Baladron Rodriguez\}, P. and V. Balagura and W. Baldini and \{Baptista de Souza Leite\}, J. and M. Barbetti and Barlow, \{R. J.\} and S. Barsuk and F. Fleuret and E. Maurice",

note = "Publisher Copyright: {\textcopyright} 2023, The Author(s).",

year = "2023",

month = jun,

day = "1",

doi = "10.1007/JHEP06(2023)022",

language = "English",

volume = "2023",

journal = "Journal of High Energy Physics",

issn = "1126-6708",

number = "6",

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T1 - Measurement of the Z boson production cross-section in proton-lead collisions at √sNN = 8.16 TeV

AU - The LHCb collaboration

AU - Aaij, R.

AU - Abdelmotteleb, A. S.W.

AU - Abellan Beteta, C.

AU - Abudinén, F.

AU - Ackernley, T.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Afsharnia, H.

AU - Agapopoulou, C.

AU - Aidala, C. A.

AU - Aiola, S.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Akiba, K.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Alfonso Albero, A.

AU - Aliouche, Z.

AU - Alvarez Cartelle, P.

AU - Amalric, R.

AU - Amato, S.

AU - Amey, J. L.

AU - Amhis, Y.

AU - An, L.

AU - Anderlini, L.

AU - Andersson, M.

AU - Andreianov, A.

AU - Andreotti, M.

AU - Andreou, D.

AU - Ao, D.

AU - Archilli, F.

AU - Artamonov, A.

AU - Artuso, M.

AU - Aslanides, E.

AU - Atzeni, M.

AU - Audurier, B.

AU - Bachmann, S.

AU - Bachmayer, M.

AU - Back, J. J.

AU - Bailly-reyre, A.

AU - Baladron Rodriguez, P.

AU - Balagura, V.

AU - Baldini, W.

AU - Baptista de Souza Leite, J.

AU - Barbetti, M.

AU - Barlow, R. J.

AU - Barsuk, S.

AU - Fleuret, F.

AU - Maurice, E.

PY - 2023/6/1

Y1 - 2023/6/1

N2 - This article presents the first measurement of the differential Z-boson production cross-section in the forward region using proton-lead collisions with the LHCb detector. The dataset was collected at a nucleon-nucleon centre-of-mass energy of sNN = 8.16 TeV in 2016, corresponding to an integrated luminosity of 30.8 nb−1. The forward-backward ratio and the nuclear modification factors are measured together with the differential cross-section as functions of the Z boson rapidity in the centre-of-mass frame, the transverse momentum of the Z boson and a geometric variable ϕ*. The results are in good agreement with the predictions from nuclear parton distribution functions, providing strong constraining power at small Bjorken-x. [Figure not available: see fulltext.]

AB - This article presents the first measurement of the differential Z-boson production cross-section in the forward region using proton-lead collisions with the LHCb detector. The dataset was collected at a nucleon-nucleon centre-of-mass energy of sNN = 8.16 TeV in 2016, corresponding to an integrated luminosity of 30.8 nb−1. The forward-backward ratio and the nuclear modification factors are measured together with the differential cross-section as functions of the Z boson rapidity in the centre-of-mass frame, the transverse momentum of the Z boson and a geometric variable ϕ*. The results are in good agreement with the predictions from nuclear parton distribution functions, providing strong constraining power at small Bjorken-x. [Figure not available: see fulltext.]

KW - Electroweak Interaction

KW - Heavy Ion Experiments

KW - Heavy-Ion Collision

UR - https://www.scopus.com/pages/publications/85163360919

U2 - 10.1007/JHEP06(2023)022

DO - 10.1007/JHEP06(2023)022

M3 - Article

AN - SCOPUS:85163360919

SN - 1126-6708

VL - 2023

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 6

M1 - 22

ER -

Measurement of the Z boson production cross-section in proton-lead collisions at √sNN = 8.16 TeV

Résumé

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