@article{02241ea77b1e4799909ee237baa4f138,
title = "First Measurement of the Z →μ+μ- Angular Coefficients in the Forward Region of pp Collisions at s =13 TeV",
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.",
author = "{LHCb Collaboration} and M. Adinolfi and M. Alexander and Amey, {J. L.} and Barlow, {R. J.} and A. Beck and S. Bhasin and M. Birch and T. Blake and Bradley, {M. J.} and Burke, {A. T.} and C. Burr and H. Cai and Chadwick, {A. J.} and Chapman, {M. G.} and C. Chen and S. Chen and Clarke, {P. E.L.} and J. Cogan and P. Collins and G. Coombs and J. Dalseno and Davies, {J. E.} and A. Davis and {De Paula}, L. and {De Vries}, {J. A.} and Dean, {C. T.} and B. Delaney and L. Douglas and Downes, {A. G.} and T. Evans and Y. Fan and Fitzgerald, {D. S.} and M. Frank and J. Fu and Y. Gao and V. Gibson and Hamilton, {P. M.} and Q. Han and X. Han and T. Harrison and J. He and M. Hecker and L. Henry and D. Hill and R. Hou and Y. Hou and J. Hu and J. Hu and W. Hu and X. Hu and W. Huang and X. Huang and Hunter, {R. J.} and X. Jiang and D. Johnson and Jones, {C. R.} and Jones, {T. P.} and Y. Kang and A. Lai and Lane, {J. J.} and R. Lane and T. Latham and Lee, {S. H.} and R. Lef{\`e}vre and H. Li and K. Li and P. Li and S. Li and Y. Li and Z. Li and X. Liang and C. Lin and T. Lin and G. Liu and H. Liu and Q. Liu and S. Liu and Y. Lu and Y. Luo and L. Ma and R. Ma and S. Maddrell-Mander and {Madhan Mohan}, {L. R.} and U. Marconi and J. Marks and Marshall, {A. M.} and Marshall, {P. J.} and M. McCann and L. McConnell and Mitchell, {S. E.} and Morris, {A. B.} and Morris, {A. B.} and Murphy, {C. H.} and D. Murray and P. Naik and O'Hanlon, {D. P.} and Y. Pan and C. Parkes and M. Patel and Pawley, {C. J.} and A. Pearce and K. Petridis and Pham, {T. T.H.} and C. Prouve and R. Quagliani and Rademacker, {J. H.} and Z. Ren and Rodrigues, {A. B.} and {Rodriguez Lopez}, {J. A.} and Z. Shen and N. Skidmore and Slater, {M. W.} and E. Smith and M. Smith and A. Solomin and S. Stone and J. Sun and L. Sun and Y. Sun and Tanner, {A. R.} and E. Thomas and Thompson, {D. J.D.} and M. Tobin and Trilov, {S. M.} and {Van Dijk}, M. and Velthuis, {J. J.} and P. Vincent and J. Walsh and C. Wang and J. Wang and J. Wang and J. Wang and J. Wang and M. Wang and R. Wang and Y. Wang and Z. Wang and Z. Wang and Z. Wang and Ward, {J. A.} and Watson, {N. K.} and Westhenry, {B. D.C.} and White, {D. J.} and M. Whitehead and Wilkinson, {M. K.} and I. Williams and Williams, {M. R.J.} and Williams, {M. R.J.} and R. Williams and Wilson, {F. F.} and Wong, {C. P.} and Wotton, {S. A.} and H. Wu and Y. Xie and J. Xu and L. Xu and M. Xu and Z. Xu and Z. Xu and D. Yang and S. Yang and Y. Yang and Z. Yang and Z. Yang and Y. Yao and J. Yu and X. Yuan and D. Zhang and L. Zhang and S. Zhang and S. Zhang and Y. Zhang and Y. Zhang and Y. Zheng and T. Zhou and X. Zhou and Y. Zhou and X. Zhu and X. Zhu and Z. Zhu",
note = "Funding Information: We express our gratitude to our colleagues in the CERN accelerator departments for the excellent performance of the LHC. We thank the technical and administrative staff at the LHCb institutes. We acknowledge support from CERN and from the national agencies: CAPES, CNPq, FAPERJ, and FINEP (Brazil); MOST and NSFC (China); CNRS/IN2P3 (France); BMBF, DFG, and MPG (Germany); INFN (Italy); NWO (Netherlands); MNiSW and NCN (Poland); MEN/IFA (Romania); MinES and FASO (Russia); MinECo (Spain); SNSF and SER (Switzerland); NASU (Ukraine); STFC (United Kingdom); NSF (USA). We acknowledge the computing resources that are provided by CERN, IN2P3 (France), KIT and DESY (Germany), INFN (Italy), SURF (Netherlands), PIC (Spain), GridPP (United Kingdom), RRCKI and Yandex LLC (Russia), CSCS (Switzerland), IFIN-HH (Romania), CBPF (Brazil), PL-GRID (Poland), and OSC (USA). We are indebted to the communities behind the multiple open-source software packages on which we depend. Individual groups or members have received support from AvH Foundation (Germany); EPLANET, Marie Sk{\l}odowska-Curie Actions and ERC (European Union); ANR, Labex P2IO and OCEVU, and R{\'e}gion Auvergne-Rh{\^o}ne-Alpes (France); Key Research Program of Frontier Sciences of CAS, CAS PIFI, and the Thousand Talents Program (China); RFBR, RSF, and Yandex LLC (Russia); GVA, XuntaGal, and GENCAT (Spain); Herchel Smith Fund, the Royal Society, the English-Speaking Union, and the Leverhulme Trust (United Kingdom); Laboratory Directed Research and Development program of LANL (USA). Publisher Copyright: {\textcopyright} 2022 CERN.",
year = "2022",
month = aug,
day = "26",
doi = "10.1103/PhysRevLett.129.091801",
language = "English",
volume = "129",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society (APS)",
number = "9",
}