Isospin dependence of projectile-like fragment production at intermediate energies
作者： Ma Chun-Wang , Wei Hui-Ling , Wang Jun-Yang , Liu Gao-Jie , Fu Yao
DOI: 10.1103/PHYSREVC.79.034606
关键词: Cross section (geometry) 、 Proton 、 Atomic physics 、 Nuclear reaction 、 Physics 、 Fragment (computer graphics) 、 Projectile 、 Nucleus 、 Isospin 、 Asymmetry
摘要: The cross sections of fragments produced in 140 A MeV (40,48)Ca+(9)Be and (58,64)Ni+(9)Be reactions are calculated by the statistical abration-ablation (SAA) model compared to experimental results measured at National Superconducting Cyclotron Laboratory (NSCL) Michigan State University. fragment isotopic isotonic section distributions (40)Ca (48)Ca, (58)Ni (64)Ni, (58)Ni, (48)Ca (64)Ni isospin dependence projectile fragmentation is studied. It found that decreases disappears central collisions. shapes be very similar for symmetric nuclei. different asymmetric projectiles peripheral similar. similarity related proton neutron density inside nucleus framework SAA model.
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