Isospin diffusion in 58Ni-induced reactions at intermediate energies. I. Experimental results

被引：46

作者：

Galichet, E. ^{[1
,2
]}

Rivet, M. F. ^{[1
]}

Borderie, B. ^{[1
]}

Colonna, M. ^{[3
]}

Bougault, R. ^{[4
]}

Chbihi, A. ^{[5
,6
]}

Dayras, R. ^{[7
]}

Durand, D. ^{[4
]}

Frankland, J. D. ^{[5
,6
]}

Guinet, D. C. R. ^{[8
]}

Lautesse, P. ^{[8
]}

Le Neindre, N. ^{[1
,4
]}

Lopez, O. ^{[4
]}

Manduci, L. ^{[4
]}

Parlog, M. ^{[9
]}

Rosato, E. ^{[10
,11
]}

Tamain, B. ^{[4
]}

Vient, E. ^{[4
]}

Volant, C. ^{[7
]}

Wieleczko, J. P. ^{[6
]}

机构：

[1] Univ Paris 11, Inst Phys Nucl, CNRS, IN2P3, F-91406 Orsay, France

[2] Conservatoire Natl Arts & Metiers, F-75141 Paris 03, France

[3] INFN Lab Nazl Sud, I-95123 Catania, Italy

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

[5] CEA, GANIL, F-14076 Caen, France

[6] CNRS, IN2P3, F-14076 Caen, France

[7] CEA Saclay, IRFU, SPhN, F-91191 Gif Sur Yvette, France

[8] Univ Lyon 1, Inst Phys Nucl, CNRS, IN2P3, F-69622 Villeurbanne, France

[9] Natl Inst Phys & Nucl Engn, RO-76900 Bucharest, Romania

[10] Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy

[11] Univ Naples Federico II, Sez INFN, I-80126 Naples, Italy

来源：

PHYSICAL REVIEW C | 2009年 / 79卷 / 06期

关键词：

HEAVY-ION COLLISIONS; NONEQUILIBRIUM; EQUILIBRATION; RELAXATION; AR-40;

D O I：

10.1103/PhysRevC.79.064614

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：

Isospin diffusion in semiperipheral collisions is probed as a function of the dissipated energy by studying two systems Ni-58+Ni-58 and Ni-58+Au-197, over the incident energy range 52A-74A MeV. A close examination of the multiplicities of light products in the forward part of the phase space clearly shows an influence of the isospin of the target on the neutron richness of these products. A progressive isospin diffusion is observed when collisions become more central, in connection with the interaction time.</p>.

引用

页数：8

共 25 条

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