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arXiv 1609.01772nucl-th
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量子核子扩散Ⅰ:对称核的中心碰撞

Quantal Nucleon Diffusion I: Central Collisions of Symmetric Nuclei

S. Ayik, O. Yilmaz, B. Yilmaz, A. S. Umar

摘要:

在随机平均场(SMF)方法框架下,研究了几种对称重离子碰撞中心碰撞中核子交换的量子扩散机制。由于在低于熔合势垒的轰击能量下,原子核结构得以维持,因此可以将核子交换描述为与深非弹性碰撞相似的扩散过程。量子扩散系数,包括记忆效应,质子和中子交换提取微观采用SMF的方法。中子和质子方差的量子计算与半经典结果进行了比较。

英文摘要:

Quantal diffusion mechanism of nucleon exchange is studied in the central collisions of several symmetric heavy-ion collisions in the framework of the Stochastic Mean-Field (SMF) approach. Since at bombarding energies below the fusion barrier, di-nuclear structure is maintained, it is possible to describe nucleon exchange as a diffusion process familiar from deep-inelastic collisions. Quantal diffusion coefficients, including memory effects, for proton and neutron exchanges are extracted microscopically employing the SMF approach. The quantal calculations of neutron and proton variances are compared with the semi-classical results.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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