| Issue |
Europhys. Lett.
Volume 47, Number 1, July 1999
|
|
|---|---|---|
| Page(s) | 30 - 35 | |
| Section | Nuclear physics | |
| DOI | https://doi.org/10.1209/epl/i1999-00346-7 | |
| Published online | 01 September 2002 | |
Test of the Einstein relation in relativistic heavy-ion collisions
Universität Heidelberg - D-69120 Heidelberg, Germany
Received:
18
August
1998
Accepted:
22
April
1999
Rapidity spectra for protons at SIS, AGS and SPS energies are analyzed within a Relativistic Diffusion Model. At low beam energies of 1.06 A GeV rapidity diffusion coefficients are related to the corresponding relaxation times via a weak-coupling dissipation-fluctuation theorem. At higher energies progressively larger deviations are found, rising to about an order of magnitude at SPS energies.
PACS: 25.75.-q – Relativistic heavy-ion collisions / 24.60.Ky – Fluctuation phenomena / 24.10.Jv – Relativistic models
© EDP Sciences, 1999
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