Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2001-09-20
Phys.Rev.Lett. 88 (2002) 022701
Physics
Nuclear Physics
Nuclear Theory
5 pages, 4 figures, submitted to Phys. Rev. Lett
Scientific paper
10.1103/PhysRevLett.88.022701
A percolation model of nuclear fragmentation is used to interpret 10.2 GeV/c p+197Au multi-fragmentation data. Emphasis is put on finding signatures of a continuous nuclear matter phase transition in finite nuclear systems. Based on model calculations, corrections accounting for physical constraints of the fragment detection and sequential decay processes are derived. Strong circumstantial evidence for a continuous phase transition is found, and the values of two critical exponents, sigma = 0.5+-0.1 and tau = 2.35+-0.05, are extracted from the data. A critical temperature of T_c = 8.3+-0.2 MeV is found.
Bauer Wolfgang
Beaulieu L.
Berkenbusch Marko Kleine
Breuer Herbert
Dillman K.
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