Nuclear viscosity of hot rotating 240Cf -: art. no. 044612

被引：71

作者：

Shaw, NP ^{[1
]}

Diószegi, I

Mazumdar, I

Buda, A

Morton, CR

Velkovska, J

Beene, JR

Stracener, DW

Varner, RL

Thoennessen, M

Paul, P

机构：

[1] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA

[2] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA

[3] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA

[4] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[5] Brookhaven Natl Lab, Upton, NY 11973 USA

来源：

PHYSICAL REVIEW C | 2000年 / 61卷 / 04期

关键词：

D O I：

10.1103/PhysRevC.61.044612

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 absolute gamma-ray/fission multiplicities from hot rotating Cf-240, populated at seven bombarding energies using the reaction S-32+(208)pb, are reported. Statistical model calculations including nuclear dissipation have been performed to extract the dependence of the nuclear viscosity on temperature and/or nuclear deformation. The extracted nuclear dissipation coefficient is found to be independent of temperature. Large dissipation during the saddle to scission path provides a good fit to the gamma-ray spectra.

引用

页数：11

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