Heavy-Quark Spectra at RHIC and Resonances in the QGP

Details Heavy-Quark Spectra at RHIC and Resonances in the QGP Heavy-Quark Spectra at RHIC and Resonances in the QGP

2005-10-04

arxiv.org/abs/hep-ph/0510050v2

Nucl.Phys. A774 (2006) 685-688

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures, proceedings for Quark Matter 2005; v2: Acknowledgment added

Scientific paper

10.1016/j.nuclphysa.2006.06.114

Thermalization and collective flow of charm (c) and bottom (b) quarks are evaluated from elastic parton scattering via "D"- and "B"-meson resonances in an expanding, strongly interacting quark-gluon plasma at RHIC. Pertinent drag and diffusion coefficients are implemented into a relativistic Langevin simulation to compute transverse-momentum spectra and azimuthal flow asymmetries (v_2) of c- and b-quarks. Upon hadronization (including coalescence and fragmentation) and semileptonic D- and B-decays, the resulting electron spectra (R_{AA} and v_2) are compared to recent RHIC data.

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