Anomalous diffusion in non-equilibrium relativistic heavy-ion rapidity spectra
arXiv:hep-ph/0111135 · doi:10.1016/S0378-4371(01)00668-9
Abstract
There is experimental and theoretical evidence that the broad rapidity distribution of net proton yield in central heavy-ion collisions at SPS energies could be a signal of non-equilibrium properties of the system. We show that the broad rapidity shape can be well reproduced in the framework of a non-linear relativistic Fokker-Planck dynamics which incorporates non-extensive statistics and anomalous diffusion.
4 pages, 1 figure, elsart style. To appear in Physica A (proceeding of the conference NEXT2001).)
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