Multifragment production in reactions of Sn-112+Sn-112 and Sn-124+Sn-124 at E/A=40 MeV

被引：77

作者：

Kunde, GJ

Gaff, SJ

Gelbke, CK

Glasmacher, T

Huang, MJ

Lemmon, R

Lynch, WG

Manduci, L

Martin, L

Tsang, MB

Friedman, WA

Dempsey, J

Charity, RJ

Sobotka, LG

Agnihotri, DK

Djerroud, B

Schroder, WU

Skulski, W

Toke, J

Wyrozebski, K

机构：

[1] MICHIGAN STATE UNIV,NATL SUPERCONDUCTING CYCLOTRON LAB,E LANSING,MI 48824

[2] UNIV WISCONSIN,DEPT PHYS,MADISON,WI 53706

[3] WASHINGTON UNIV,DEPT CHEM,ST LOUIS,MO 63130

[4] UNIV ROCHESTER,DEPT CHEM,ROCHESTER,NY 14627

[5] UNIV ROCHESTER,NUCL STRUCT RES LAB,ROCHESTER,NY 14627

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.77.2897

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Multiplicities of intermediate-mass fragments (IMFs), neutrons, and charged particles were measured for Sn-112 + Sn-112 and Sn-124 + Sn-124 at E/A = 40 MeV. Significantly different scalings of the mean IMF multiplicities with neutron and charged-particle multiplicities are observed for the two reactions. These differences can be qualitatively understood in terms of fragment emission from an expanding evaporating source for which the initial rates of cooling by neutron and light-charged-particle emission depend on the neutron and proton numbers of th source according to statistical expectations.

引用

页码：2897 / 2900

页数：4

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