Universal fluctuations in heavy-ion collisions in the Fermi energy domain

被引：55

作者：

Botet, R

Ploszajczak, M

Chbihi, A

Borderie, B

Durand, D

Frankland, J

机构：

[1] Univ Paris Sud, Phys Solides Lab, CNRS, Ctr Orsay, F-14076 Orsay, France

[2] Grand Accelerateur Natl Ions Lourds, CEA DSM, CNRS, IN2P3, F-14076 Caen, France

[3] Inst Phys Nucl, CNRS, IN2P3, F-91406 Orsay, France

[4] ISMRA & Univ, LPC, IN2P3, CNRS, F-14050 Caen, France

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.86.3514

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We discuss the scaring laws of both the charged fragments multiplicity a fluctuations and the charge of the largest fragment Z(max) fluctuations for Xe + Sn collisions in the range of bombarding energies between 25A MeV and 50A MeV. We show at E-lab greater than or similar to 32 MeV/A the transition in the Fluctuation regime of Z(max) which is compatible with the transition From the ordered to disordered phase of excited nuclear matter. The size (charge) of the largest fragment is closely related to the order parameter characterizing this process.

引用

页码：3514 / 3517

页数：4

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