Description of η-distributions at RHIC energies in terms of a stochastic model

Details Description of η-distributions at RHIC energies in terms of a stochastic model Description of η-distributions at RHIC energies in terms of a stochastic model

2003-09-27

arxiv.org/abs/nucl-th/0309075v2

Prog.Theor.Phys.Suppl.153:344-348,2004

Physics

Nuclear Physics

Nuclear Theory

4 pages, 4 figures, PTPTEX

Scientific paper

10.1143/PTPS.153.344

To explain \eta-distributions at RHIC energies we consider the Ornstein-Uhlenbeck process. To account for hadrons produced in the central region, we assume existence of third source located there (y \approx 0) in addition to two sources located at the beam and target rapidities (\pm y_{max} = \pm \ln[\sqrt{s_{NN}}/m_{N}]). This results in better \chi^2/n.d.f. than those for only two sources when analysing data.

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