Intermediate mass fragment emission pattern in peripheral heavy-ion collisions at Fermi energies

被引：54
|
作者：
Piantelli, S [1 ]
Bidini, L
Poggi, G
Bini, M
Casini, G
Maruenzig, PR
Olmi, A
Pasquali, G
Stefanini, AA
Taccetti, N
机构：
[1] Ist Nazl Fis Nucl, I-50125 Florence, Italy
[2] Univ Florence, I-50125 Florence, Italy
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 05期
关键词：
D O I：
10.1103/PhysRevLett.88.052701
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The emission pattern in the v(perp) - v(par) plane of intermediate mass fragments with Z = 3-7 (IMF) has been studied in the collision Sn-116 + Nb-93 at 29.5A MeV as a function of the total kinetic energy loss of the reaction. This pattern shows that for peripheral reactions most IMF's are emitted at velocities intermediate between those of the projectile- and target-like products. Coulomb trajectory calculations show that these IMF's are produced in the interaction zone in a short time interval at the end of the target-projectile interaction.
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页数：4
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