Transverse Spectra of Hadrons in Central AA Collisions at RHIC and LHC from pQCD+Saturation+Hydrodynamics and from pQCD+Energy Losses
2006
We study the transverse spectra of hadrons in nearly central AA collisions at RHIC and LHC in a broad transverse momentum range [K.J. Eskola, H. Honkanen, H. Niemi, P.V. Ruuskanen and S.S. Rasanen, arXiv:hep-ph/0506049 ]. Low- p T spectra are calculated by using boost-invariant hydrodynamics with initial energy and net-baryon densities from the EKRT [K.J. Eskola, K. Kajantie, P.V. Ruuskanen and K. Tuominen, Nucl. Phys. B 570 (2000) 379 [ arXiv:hep-ph/9909456 ]] pQCD+saturation model. High- p T spectra are obtained from pQCD jet calculation [K.J. Eskola and H. Honkanen, Nucl. Phys. A 713 (2003) 167 [ arXiv:hep-ph/0205048 ]] including the energy loss of the parton [K.J. Eskola, H. Honkanen, C.A. Salgado and U.A. Wiedemann, Nucl. Phys. A 747 (2005) 511 [ arXiv:hep-ph/0406319 ]] in the matter prior to its fragmentation to final hadrons.
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