Issue |
Europhys. Lett.
Volume 76, Number 3, November 2006
|
|
---|---|---|
Page(s) | 402 - 408 | |
Section | Nuclear physics | |
DOI | https://doi.org/10.1209/epl/i2006-10280-8 | |
Published online | 27 September 2006 |
The Hagedorn thermostat
1
Nuclear Science Division, Lawrence Berkeley National Laboratory Berkeley, CA, USA
2
Bogolyubov Institute for Theoretical Physics - Kiev, Ukraine
Received:
18
May
2006
Accepted:
8
September
2006
At variance with previous understanding, a system with a
Hagedorn-like mass spectrum can sustain the unique temperature
encoded in the spectrum itself.
imposes the
same temperature to all emitted particles which are then in physical
and chemical equilibrium with
and with each other.
Coexistence between hadronic and partonic phases is thus completely
characterized. This may explain the recurring constant physical and
chemical temperature observed in several experiments. The near
indifference of
to fragmentation or coalescence makes this
approach relevant to heavy-ion and elementary-particle collisions
alike. The equation of state for a gas of
systems has been
derived.
PACS: 25.75.Nq – Quark deconfinement, quark-gluon plasma production, and phase transitions
© EDP Sciences, 2006
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