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arXiv 1402.0380nucl-th
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具有一致的二体和三体微扰手征相互作用的核子物质研究

Study of nucleonic matter with a consistent two- and three-body perturbative chiral interaction

L. Coraggio, J. W. Holt, N. Itaco, R. Machleidt, L. E. Marcucci, F. Sammarruca

摘要:

本文采用手征N_3 LO(next-to-next-to-next-to-leading order)两体势加N_2 LO三体力(3BF)微扰计算了无限大核物质中每个核子的能量.选择不受两体观测量约束的3BF低能常数,以重现A=3的结合能和triton Gamow-Teller矩阵元。这使得研究核物质状态方程的参数自由的方法。

英文摘要:

We calculate perturbatively the energy per nucleon in infinite nuclear matter with a chiral N3LO (next-to-next-to-next-to-leading order) two-body potential plus a N2LO three-body force (3BF). The 3BF low-energy constants which cannot be constrained by two-body observables are chosen such as to reproduce the A=3 binding energies and the triton Gamow-Teller matrix element. This enables to study the nuclear matter equation of state in a parameter-free approach.

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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