Theoretical analysis of double parton scatterings in quarkonium production in proton-proton collisions at the LHC

Abstract : The production process of quarkonia in proton-proton (pp) collision is a very good probe of the parton structure of the proton. Recent experimental data of the production of J/psi+vector boson or quarkonium pairs at the LHC and Tevatron suggest the relevance of double parton scatterings (DPS). We discuss here the single parton scattering (SPS) contribution to the J/psi +Z, J/psi +W, and J/psi +J/psi productions in hadron collisions. By revisiting the computations of the SPS contributions to the J/psi+Z and J/psi +W productions, we demonstrate that the ATLAS data in fact show evidence for DPS.
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Communication dans un congrès
26th International Workshop on Deep Inelastic Scattering and Related Subjects, Apr 2018, Port Island, Japan
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https://hal.archives-ouvertes.fr/hal-01871753
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Soumis le : mardi 11 septembre 2018 - 11:30:20
Dernière modification le : mardi 18 septembre 2018 - 11:13:42

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Nodoka Yamanaka, Jean-Philippe Lansberg, Hua-Sheng Shao, Yu-Jie Zhang. Theoretical analysis of double parton scatterings in quarkonium production in proton-proton collisions at the LHC. 26th International Workshop on Deep Inelastic Scattering and Related Subjects, Apr 2018, Port Island, Japan. 〈hal-01871753〉

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