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Effective pairing interaction for the Argonne nucleon-nucleon potential v(18)

机译:Argonne核子-核子电位v(18)的有效配对相互作用

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摘要

The effective pairing interaction corresponding to the Argonne nucleon-nucleon potential v(18) is found within the local potential approximation for several values of the boundary energy E-0 that specifies the model subspace S-0. A detailed comparison with the analogous effective interaction calculated previously for the Paris nucleon-nucleon potential is performed. It is shown that the effective interactions obtained for the two different nucleon-nucleon potentials at the same value of E-0 are very close to each other. In the case of the Paris potential, a very wide subspace S' complementary to S-0 was required in calculating the effective interaction (the corresponding cutoff momentum being k(max) = 160-180 fm(-1)), whereas a much narrower subspace S' corresponding to k(max) = 10-12 fm(-1) could be used in the case of the Argonne potential.
机译:在指定模型子空间S-0的边界能E-0的多个值的局部电势近似值内,找到了与Argonne核子-核子电势v(18)相对应的有效配对相互作用。与先前计算的巴黎核子-核子电位的类似有效相互作用进行了详细比较。结果表明,在相同的E-0值下,两个不同的核子-核子电位获得的有效相互作用非常接近。在巴黎势能的情况下,在计算有效相互作用时需要一个与S-0互补的非常宽的子空间S'(相应的截止动量为k(max)= 160-180 fm(-1)),而在阿贡势能的情况下,可以使用对应于k(max)= 10-12 fm(-1)的较窄子空间S'。

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