Probing the liquid-gas coexistence in p+Xe reactions from 200 to 1400 MeV

Bo Jakobsson, Pavel Golubev, H. Jaderstrom, Vladimir Avdeichikov, Lars Carlén, L. Westerberg

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The nuclear equation of state (EOS) is probed from statistical parameters, determined in an excitation function experiment on p + Xe-nat reactions at 200-1400 MeV. Total charge (Z) distributions follow a cascade-[multi]fragmentation-evaporation (CFEM) model well. The caloric curve in regions supposedly dominated by fast processes is compatible with a pure statistical multifragmentation (SMM) process, where the temperature (T)-excitation energy (epsilon*) relation starts in the Fermi liquid phase and progresses into a liquid/gas coexistence region, where it remains up to 1400 MeV. A local peak in T at epsilon* = 2.1 MeV agrees with the idea of sudden fragmentation. (c) 2006 Elsevier B.V. All rights reserved.
Sidor (från-till)228-231
TidskriftPhysics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics
StatusPublished - 2007

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