Transverse momentum spectra of D and B mesons in hadron collisions at high energies

Details Transverse momentum spectra of D and B mesons in hadron collisions at high energies Transverse momentum spectra of D and B mesons in hadron collisions at high energies

2008-12-17

arxiv.org/abs/0812.3220v2

Europhys.Lett.86:61001,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 8 figures. Talk given at International Workshop on Hadron Structure and QCD (HSQCD), Gatchina, Russia, 30.06-4.07.200

Scientific paper

10.1209/0295-5075/86/61001

Transverse momentum spectra of charmed and beauty mesons produced in proton-proton and proton-antiproton collisions at high energies are analyzed within the modified quark-gluon string model (QGSM) including the internal motion of quarks in colliding hadrons. It is shown that this approach can describe rather satisfactorily the experimental data at not large values of the transverse momentum where the NLO QCD calculation has a big uncertainty. We also show that using both the QGSM and the NLO QCD one can describe these data in a wide region of transverse momenta and give some predictions for the future LHC experiments.

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