12-18 August 2012
US/Eastern timezone

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Charm production in the early phase and the charm baryon-to-meson ratios at LHC energies

16 Aug 2012, 16:00
Regency 1/3 and Ambassador

Regency 1/3 and Ambassador

Poster Pre-equilibrium and initial state dynamics Poster Session Reception


Peter Levai (Hungarian Academy of Sciences (HU))


The charm quark production will be reasonably large at LHC energies, both in p+p and Pb+Pb collisions. In heavy ion collisions even quark coalescence channels will strongly influence the charmed baryon and meson production. Furthermore, the formation of an intense coherent gluon field in Pb+Pb collisions results in additional heavy quark-antiquark pairs. Thus the primary charm quark momentum distribution will be modified, as well as the final state hadron distributions and the baryon-to-meson ratios in different momentum windows. We performed calculations with time dependent strong color fields and studied the charm quark-antiquark pair production and charmed hadron production in the intermediate- and high-pT windows at LHC energies. The obtained numerical results are presented and discussed. P. Levai, V.V. Skokov: Nonperturbative enhancement of heavy quark-pair production in strong SU(2) color field Phys. Rev. D82 (2010) 074014. P. Levai, D. Berenyi, A. Pasztor, V.V. Skokov: Anomalous baryon production and its interplay with jet energy loss at RHIC and LHC energies J. Phys. G38 (2011) 124155.

Primary author

Peter Levai (Hungarian Academy of Sciences (HU))


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