He-6(Lambda Lambda) as a Lambda Lambda interaction constraint

被引：32

作者：

Carr, SB ^{[1
]}

Afnan, IR ^{[1
]}

Gibson, BF ^{[1
]}

机构：

[1] LOS ALAMOS NATL LAB,DIV THEORET,LOS ALAMOS,NM 87545

来源：

NUCLEAR PHYSICS A | 1997年 / 625卷 / 1-2期

关键词：

D O I：

10.1016/S0375-9474(97)00480-6

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The Nijmegen OBE potential D is SU(3) rotated to model the strangeness -2 sector of the baryon-baryon force. Soft core repulsion is introduced to regularize the singular nature of the OBE functions. The strength of the S-1(0) t = 0 interaction is adjusted to model three scenarios: (1) a bound state, (2) a narrow virtual, or antibound, state, and (3) an unbound state in which the force is weakly attractive. Using a separable approximation to these potentials, the binding energy of He-6(Lambda Lambda) is calculated in an Lambda Lambda alpha model. The resultant binding energies suggest that the strength of the S-1(0) t = 0 Lambda Lambda and the nn interactions should be similar, if the coupling between the Lambda Lambda and Xi N channels is taken into consideration, (C) 1997 Published by Elsevier Science B.V.

引用

页码：143 / 166

页数：24

共 79 条

[71] LOCAL PHENOMENOLOGICAL NUCLEON-NUCLEON POTENTIALS [J].