中能重离子反应中的定向流的研究(英文)

来源 :IMP & HIRFL Annual Report | 被引量 : 0次 | 上传用户:liujifanhua
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It has been pointed out that anisotropic flows, such as a transverse or elliptic flow, are one of the most important observables, which constrains the nuclear force and the underlying EOS at super-normal density and re ects the evolution dynamics of nuclear collisions. Since the transverse ows are created in the primary stage of the reactions, the existing studies have been focused on the primary particles and the effects of the secondary particles, which are emitted during the cooling down stage of the excited fragments, have not been taken into account. In this study we first focus on the secondary particle effect on the transverse flow, which is investigated by using AMD(antisymmetrized molecular dynamics model) and Genimi codes. It has been pointed out that anisotropic flows, such as a transverse or elliptic flow, are one of the most important observables, which constrains the nuclear force and the underlying EOS at super-normal density and re ects the evolution dynamics of nuclear collisions. Since the transverse ows are created in the primary stage of the reactions, the existing studies have been focused on the primary particles and the effects of the secondary particles, which are emitted during the cooling down stage of the excited fragments, have not been taken into account . In this study we first focus on the secondary particle effect on the transverse flow, which is investigated by using AMD (antisymmetrized molecular dynamics model) and Genimi codes.
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