摘要：Reaction dynamics in collisions of antiprotons on nuclei is investigated within the Lanzhou quantum molecular dynamics model. The reaction channels of elastic scattering, annihilation, charge exchange and inelastic collisions of antiprotons on nucleons have been included in the model. Dynamics on particle production, in particular pions, kaons, antikaons and hyperons, is investigated in collisions of p on12 C,20Ne,40 Ca and181Ta from low to high incident momenta. It is found that the annihilations of p on nucleons are of importance to the dynamics of particle production in phase space. Hyperons are mainly produced via meson induced reactions on nucleons and strangeness exchange collisions, which lead to delayed emission in antiproton-nucleus collisions.
基金资助：
Supported by the Major State Basic Research Development Program in China（Nos.2014CB845405 and 2015CB856903）； the National Natural Science Foundation of China Projects（Nos.11175218 and U1332207）； the Youth Innovation Promotion Association of Chinese Academy of Sciences；
- DOI：
10.13538/j.1001-8042/nst.26.S20512
- 专辑：
- 专题：
- 分类号：
O571.422
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