Emission of Intermediate Mass Fragments as a Function of Impact Parameter for ⁴⁰Ar+^natAg Collision at 30 MeV/u

• 来源期刊: 原子核物理：英文版
• 学科: 物理学
• 关键词: INTERMEDIATE MASS FRAGMENT Impact parameter Projectile FRAGMENTATION Evaporation from hot NUCLEI
• 年，卷（期）: 1997,（4）
• 页码范围: 210-215
• 页数: 6页
• 分类号: O4

摘要

【正】 Exclusive intermediate mass fragments（IMFs）are measured at forward angles forthe ⁴⁰Ar+^nalAg reaction at 30 MeV/u.The impact parameter is determined using the totaltransverse momentum method and linear momentum transfer method.IMFs emitted at forwardangles mainly come from projectile fragmentation in peripheral collisions,while IMFs in centralcollision mainly come from decay of hot target-like sources.IMFs from both projectile-like andtarget-like sources are observed in mid-central collision.In addition,the third component,non-equilibrium mid-rapidity components are observed in central,mid-central and peripheralcollisions.