Volume 86, Number 6, June 2009
|Number of page(s)||6|
|Section||The Physics of Elementary Particles and Fields|
|Published online||09 July 2009|
Transverse momentum spectra of D and B mesons in hadron collisions at high energies
Joint Institute for Nuclear Research - Dubna 141980, Moscow region, Russia
2 State University of Transport - 34 Kirov Street, Gomel 246653, Belarus
Corresponding author: email@example.com
Accepted: 29 May 2009
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.
PACS: 14.40.Lb – Charmed mesons / 14.65.Dw – Charmed quarks / 25.20.Lj – Photoproduction reactions
© EPLA, 2009
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