arXiv 0711.31732007-11-20nucl-th

14 N和10 B中的T=0有效相互作用

T=0 effective interaction in 14N and 10B

Nicole Vinh Mau

摘要：

我们计算了~（14）N和~（10）B的1+和3+ T=0态。在中子-质子RPA模型中，这两个原子核由同一组方程描述。我们首先表明，一个裸露的明尼苏达相互作用导致太弱的绑定在bothnuclees。此外，它不能在10 B中产生它应该产生的3+基态。包括介质效应作为中子-质子对之间的声子交换治愈了14 N中的解协，但仍给出10 B中的1+基态，3+作为激发态。Gogny有效相互作用的相同研究很好地再现了两种核的性质：与以前引入介质效应时相同的14 N一致，但现在10 B中的3+成为基态。这一成功表明，通过其密度依赖项的Gogny相互作用考虑到了一个三体的力量，在壳模型计算中，已被证明是必不可少的，给一个3+基态在10 B的存在。

英文摘要：

We have calculated the 1+ and 3+, T=0 states in 14N and 10B. In a neutron-proton RPA model these two nuclei are described by the same set of equations. We first show that a bare Minnesota interaction leads to too weak binding in bothnuclei. Furthermore it does not produce a 3+ ground state in 10B as it should. Including medium effects as an exchange of phonons between the neutron-proton pair cures the desagreement in 14N but still gives a 1+ ground state in 10B with the 3+ as an excited state. The same study with a Gogny effective interaction reproduces nicely the properties of both nuclei: same agreement in 14N as previously when medium effeccts were introduced but now the 3+ in 10B becomes the ground state. This success suggests that through its density dependent term the Gogny interaction takes account of the presence of a three-body force which, in a shell model calculation, has been shown to be essential to give a 3+ ground state in 10B.

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。

摘要：

英文摘要：

相关论文