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Measurement of + c production in pPb collisions at √sNN = 8.16 TeV at LHCb

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A study of prompt + c production in proton-lead collisions is performed with the LHCb experiment at a centerof-mass energy per nucleon pair of 8.16 TeV in 2016 in pPb and Pbp collisions with an estimated integrated luminosity of approximately 12.5 and 17.4 nb−1 , respectively. The + c production cross section, as well as the + c to + c production cross-section ratio, are measured as a function of the transverse momentum and rapidity and compared to the latest theory predictions. The forward-backward asymmetry is also measured as a function of the + c transverse momentum. The results provide strong constraints on theoretical calculation and are a unique input for hadronization studies in different collision systems.

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ALFONSO ALBERO, Alejandro, et al. Measurement of + c production in pPb collisions at √sNN = 8.16 TeV at LHCb. Physical Review C. 2024. Vol. 109, num. 044901. ISSN 2469-9985. [consulted: 11 of August of 2026]. Available at: https://hdl.handle.net/2445/221466

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