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Double D-meson production in proton-proton and proton-lead collisions at the LHC

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arxiv 1906.06971 v1 pith:MTXOAY2X submitted 2019-06-17 hep-ph

classification hep-ph
keywords collisionsd-mesonproductionproton-leaddatadoubledouble-partonfunctions
verification ladder T0 review T1 audit T2 compute T3 formal

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We consider the simultaneous production of two heavy-flavoured hadrons - particularly D mesons - at the LHC. We base our calculations on collinearly factorized QCD at next-to-leading order, using the contemporary parton distribution functions and D-meson fragmentation functions. The contributions of double-parton scatterings are included in the approximation of independent partonic interactions. Our framework benchmarks well with the available proton-proton data from the LHCb collaboration giving us confidence to make predictions for proton-lead collisions. Our results indicate that the double D-meson production in proton-lead collisions should be measurable at the LHCb kinematics with the already collected Run-II data, and should provide evidence for double-parton scattering at perturbative scales with a nuclear target.

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Cited by 1 Pith paper

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  1. $b \bar b$ Kinematic Correlations in Cold Nuclear Matter

    hep-ph 2019-08 conditional novelty 5.0 of 10

    A next-to-leading-order QCD calculation with kT broadening reproduces the LHCb bbar to J/psi J/psi correlation data for all measured observables and momentum cuts.

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