Measurement of the boson production cross-section in proton-lead collisions at
arXiv:2205.10213 · doi:10.1007/JHEP06(2023)022
Abstract
This article presents the first measurement of the differential -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 in 2016, corresponding to an integrated luminosity of . The forward-backward ratio and the nuclear modification factors are measured together with the differential cross-section as functions of the boson rapidity in the centre-of-mass frame, the transverse momentum of the boson and a geometric variable . The results are in good agreement with the predictions from nuclear parton distribution functions, providing strong constraining power at small Bjorken-.
arXiv commentAll figures and tables, along with any supplementary material and additional information, are available at https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2022-009.html (LHCb public pages)
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