Production asymmetry of D and D mesons in the LHCb fixed target experiment and intrinsic charm in the nucleon

2024/09/30 by Antoni Szczurek, Szczurek, Antoni, Rafał Maciuła +1
Physics and Astronomy · #Particle physics theoretical and experimental studies #High-Energy Particle Collisions Research #Quantum Chromodynamics and Particle Interactions

paper · pdf · doi:10.48550/arxiv.2410.00187

Abstract

We discuss production of D⁰ and D⁰ mesons in proton-nucleus collisions in fixed target experiments. We include gluon-gluon fusion, intrinsic charm and perturbative recombination. We compare rapidity and transverse momentum distributions obtained within our approach with recent fixed target LHCb experimental data. All the mechanisms seem important for inclusive production of D⁰ + D⁰ mesons. The recombination mechanism seems crucial to understand asymmetry in production of D⁰ and D⁰ mesons.

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