Time-dependent Hartree-Fock calculations for multi-nucleon transfer processes : Effects of particle evaporation on production cross sections
Time-dependent Hartree-Fock calculations for multi-nucleon transfer processes : Effects of particle evaporation on production cross sections
复制标题
多核子转移过程的时间相关 Hartree-Fock 计算：粒子蒸发对生产横截面的影响
DOI：
10.1051/epjconf/20158600043
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发表时间：
2015
影响因子：
--
通讯作者：
K. Yabana
中科院分区：
文献类型：
--
作者：
K. Sekizawa;K. Yabana
利用含时Hartree-Fock（TDHF）理论对多核子转移反应进行了微观计算。在我们以前的出版物[Phys. Rev. C88，014614（2013）]中，我们报告了我们对几个系统的多核子转移过程的分析。这里我们讨论粒子蒸发过程对产生截面的影响。由于粒子蒸发过程可能无法充分描述的TDHF计算，我们使用统计模型进行评估。作为统计模型的输入，最终碎片的激发能是必要的。我们评估他们从碰撞后的TDHF波函数，扩展粒子数投影技术。从计算中，粒子蒸发的影响被发现，以改善生产截面的描述。然而，生产截面仍然被低估的过程中，许多质子转移。可能的起源的差异进行了讨论。
We present a microscopic calculation of multi-nucleon transfer reactions employing the time-dependent Hartree-Fock (TDHF) theory. In our previous publication [Phys. Rev. C88, 014614 (2013)], we reported our analysis for the multi-nucleon transfer processes for several systems. Here we discuss effects of particle evaporation processes on the production cross sections. Since particle evaporation processes may not be described adequately by the TDHF calculations, we evaluate them using a statistical model. As an input of the statistical model, excitation energies of the final fragments are necessary. We evaluate them from the TDHF wave function after collisions, extending the particle number projection technique. From the calculation, the particle evaporation effects are found to improve descriptions of the production cross sections. However, the production cross sections are still underestimated for processes where a number of protons are transferred. Possible origins of the discrepancy are discussed.