Variational calculations of the $Λ$-seperation energy of the $_Λ^{17}$O hypernucleus

Details Variational calculations of the $Λ$-seperation energy of the $_Λ^{17}$O hypernucleus Variational calculations of the $Λ$-seperation energy of the $_Λ^{17}$O hypernucleus

1995-02-03

arxiv.org/abs/nucl-th/9502008v1

Physics

Nuclear Physics

Nuclear Theory

24 pages, 2 figs available by fax., for publication in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.51.2347

Variational Monte Carlo calculations have been made for the $_{ \Lambda}^{17}$O hypernucleus using realistic two- and three-baryon interactions. A two pion exchange potential with spin- and space-exchange components is used for the $\Lambda$N potential. Three-body two-pion exchange and strongly repulsive dispersive $\Lambda$NN interactions are also included. The trial wave function is constructed from pair- and triplet-correlation operators acting on a single particle determinant. These operators consist of central, spin, isospin, tensor and three- baryon potential components. A cluster Monte Carlo method is developed for noncentral correlations and is used with up to four-baryon clusters in our calculations. The three-baryon $\Lambda$NN force is discussed.

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