By using multiple collision model the transverse energy distributions in reactions of ^(32)S+ nuclides at 200A GeV are calculated.The geometry effects both for projectile and target are discussed.
A semiclassical dynamical simulation for medium and highenergy heavy ion collisions is presented and used to discuss in detail the features of evolution for ^(12)C(25GeV;b=0.0fm)+^(63)Cu reaction.From the calculated r...A semiclassical dynamical simulation for medium and highenergy heavy ion collisions is presented and used to discuss in detail the features of evolution for ^(12)C(25GeV;b=0.0fm)+^(63)Cu reaction.From the calculated results it is shown that the model proposed can give a reasonable picture of the compression,expansion and fragmentation processes of the system in heavy ion reaction.展开更多
The mass yield distribut ion in C+Ag collision has been calculated.Not only the data are reproduced very well,but also a power law A^(-τ) is established for light fragments.In addition,the impact parameter dependence...The mass yield distribut ion in C+Ag collision has been calculated.Not only the data are reproduced very well,but also a power law A^(-τ) is established for light fragments.In addition,the impact parameter dependence of the number of fragments and the evaporation neutrons as well as the fragment mass distribution for different impact parameter is given.展开更多
The experimental data of proton and pion rapidity distributions and proton transverse mass distribution in rcaction of(14.6AGeV/c)Si+Au are compared with a simple relativistic hadronic cascade simulation.The theoretic...The experimental data of proton and pion rapidity distributions and proton transverse mass distribution in rcaction of(14.6AGeV/c)Si+Au are compared with a simple relativistic hadronic cascade simulation.The theoretical results seem to prefer the statement of strong but incomplete nuclear stopping at AGS energy.展开更多
基金supported by the National Natural Science Foundation of China.
文摘By using multiple collision model the transverse energy distributions in reactions of ^(32)S+ nuclides at 200A GeV are calculated.The geometry effects both for projectile and target are discussed.
基金Project Supported in Part by the National Science Foundation of China.
文摘A semiclassical dynamical simulation for medium and highenergy heavy ion collisions is presented and used to discuss in detail the features of evolution for ^(12)C(25GeV;b=0.0fm)+^(63)Cu reaction.From the calculated results it is shown that the model proposed can give a reasonable picture of the compression,expansion and fragmentation processes of the system in heavy ion reaction.
文摘The mass yield distribut ion in C+Ag collision has been calculated.Not only the data are reproduced very well,but also a power law A^(-τ) is established for light fragments.In addition,the impact parameter dependence of the number of fragments and the evaporation neutrons as well as the fragment mass distribution for different impact parameter is given.
基金Supported by the National Natural Science Foundation of China.
文摘The experimental data of proton and pion rapidity distributions and proton transverse mass distribution in rcaction of(14.6AGeV/c)Si+Au are compared with a simple relativistic hadronic cascade simulation.The theoretical results seem to prefer the statement of strong but incomplete nuclear stopping at AGS energy.