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First Measurement of the Z→μ^{+}μ^{-} Angular Coefficients in the Forward Region of pp Collisions at sqrt[s]=13 TeV.
- Source :
-
Physical review letters [Phys Rev Lett] 2022 Aug 26; Vol. 129 (9), pp. 091801. - Publication Year :
- 2022
-
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.
Details
- Language :
- English
- ISSN :
- 1079-7114
- Volume :
- 129
- Issue :
- 9
- Database :
- MEDLINE
- Journal :
- Physical review letters
- Publication Type :
- Academic Journal
- Accession number :
- 36083649
- Full Text :
- https://doi.org/10.1103/PhysRevLett.129.091801