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arXiv 0905.4419nucl-th
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多重碎裂过程中的同位旋平衡和动力学关联

Isospin equilibration in multi-fragmentation processes and dynamical correlations

M. Papa, G. Giuliani

摘要:

提出了利用总偶极信号的渐近时间导数来研究多重碎裂过程中的同位旋平衡现象。研究通过调查的$^{40}Cl+^{28}Si$系统在40 MeV/核子的半经典微观多体计算的CoMD-II模型的基础上。特别是,这项研究已经发展到描述电荷/质量平衡过程,涉及的气体和液体的“阶段”的整个系统在碰撞的早期阶段形成的。通过对动力学多体关联的研究,还表明了所提出的观测值对不同的参数化的同位旋相关相互作用是相当敏感的。

英文摘要:

The asymptotic time derivative of the total dipole signal is proposed as an useful observable to study Isospin equilibration phenomenon in multi-fragmentation processes. The study proceeds through the investigation of the $^{40}Cl+^{28}Si$ system at 40 MeV/nucleon by means of semiclassical microscopic many-body calculations based on the CoMD-II model. In particular, the study has been developed to describe charge/mass equilibration processes involving the gas and liquid "phases" of the total system formed during the early stage of a collision. Through the investigation of dynamical many-body correlations, it is also shown how the proposed observable is rather sensitive to different parameterizations of the isospin dependent interaction.

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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