【正】 The Relativistic Vlasov-Uehling-Uhlenbeck(RVUU)model is used to study the properties of pi-ons and kaons produced in heavy ion collisions.We include the
【正】 The first three-fold and four-fold fragmentation measurements in hot compound nuclei pro-duced in the reactions of a 25 MeV/u <sup>40</sup>At beam with t