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arXiv 1503.03652nucl-th
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核子交换的随机平均场量子描述

Quantal description of nucleon exchange in stochastic mean-field approach

S. Ayik, O. Yilmaz, B. Yilmaz, A. S. Umar, A. Gokalp, G. Turan, D. Lacroix

摘要:

采用随机平均场方法研究了对称重离子中心碰撞中的核子交换机制。考虑壳层结构和非马尔可夫效应,计算了核子交换的量子扩散系数。计算了${}^{40}$ Ca + ${}^{40}$ Ca、${}^{48}$ Ca + ${}^{48}$ Ca和${}^{56}$ Ni + ${}^{56}$ Ni体系中心碰撞中碎片质量分布的方差。

英文摘要:

Nucleon exchange mechanism is investigated in central collisions of symmetric heavy-ions in the basis of the stochastic mean-field approach. Quantal diffusion coefficients for nucleon exchange are calculated by including non-Markovian effects and shell structure. Variances of fragment mass distributions are calculated in central collisions of ${}^{40}$Ca + ${}^{40}$Ca, ${}^{48}$Ca + ${}^{48}$Ca and ${}^{56}$Ni + ${}^{56}$Ni systems.

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