Can the $Σ^- nn$ System be Bound?

Details Can the $Σ^- nn$ System be Bound? Can the $Σ^- nn$ System be Bound?

1994-02-02

arxiv.org/abs/nucl-th/9402005v1

Phys.Rev.C50:512-513,1994

Physics

Nuclear Physics

Nuclear Theory

6 pages in LaTeX, 1 Figure (appended in uuencoded tar-compressed PostScript format), College of William and Mary preprint WM-9

Scientific paper

10.1103/PhysRevC.50.512

Motivated by the $\Sigma$-hypernuclear states reported in ($K^-,\pi^{\pm}$) experiments, we have explored the possibility that there exists a particle-stable $\Sigma^- nn$ bound state. For the J\"ulich \~A hyperon-nucleon, realistic-force model, our calculations yield little reason to expect a positive-parity bound state in either the $J = \frac{1}{2}$ or the $J = \frac{3}{2}$ channels.

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