Experimental signals of phase transition

被引：25

作者：

D'Agostino, M ^{[1
]}

Bruno, M

Gulminelli, F

Bougault, R

Cannata, F

Chomaz, P

Gramegna, F

Le Neindre, N

Moroni, A

Vannini, G

机构：

[1] Dipartimento Fis, Bologna, Italy

[2] Ist Nazl Fis Nucl, I-40126 Bologna, Italy

[3] LPC Caen, CNRS, IN2P3, ISMRA, F-14050 Caen, France

[4] Univ Caen, LPC Caen, F-14050 Caen, France

[5] GANIL, CNRS, IN2P3, CEA,DSM, Caen, France

[6] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy

[7] CNRS, IN2P3, Inst Phys Nucl, Orsay, France

[8] Univ Milan, Dipartimento Fis, Milan, Italy

[9] Ist Nazl Fis Nucl, I-20133 Milan, Italy

来源：

NUCLEAR PHYSICS A | 2004年 / 734卷

关键词：

D O I：

10.1016/j.nuclphysa.2004.01.094

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The connection between the thermodynamics of charged finite nuclear systems and the asymptotically measured partitions is presented. Some open questions, concerning in particular equilibrium partitions are discussed. We show a detailed comparison of the decay patterns in Au + C, Cu, Au central collisions and in Au quasi-projectile events. Observation of abnormally large fluctuations in carefully selected samples of data is reported as an indication of a first order phase transition (negative heat capacity) in the nuclear equation of state.

引用

页码：512 / 519

页数：8

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