Calculation of the $^3$He(in-flight $K^-$,$n$) reaction for searching the deeply-bound $K^-pp$ state

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dc.creatorKoike, T.
dc.creatorHarada, T.
dc.date2007-03-13
dc.date2007-07-24
dc.date.accessioned2026-07-07T11:03:32Z
dc.date.available2026-07-07T11:03:32Z
dc.descriptionThe formation of a deeply-bound $K^-pp$ state by the $^3$He(in-flight $K^-$,$n$) reaction is investigated theoretically in the distorted-wave impulse approximation using the Green's function method. The expected inclusive and semi-exclusive spectra at $p_{K^-}$ = 1.0 GeV/c and $θ_n = 0^{\circ}$ are calculated for the forthcoming J-PARC E15 experiment. We employ optical potentials between the $K^-$ and ``$pp$'' core-nucleus, and demonstrate systematically the dependence of the spectral shape on $V_0$ and $W_0$, which are the real and imaginary parts of the strength for the optical potential, respectively. The necessary condition to observe a distinct peak of the $K^-pp$ bound state with $I=1/2$, $J^π=0^-$ in the spectrum turns out to be that the value of $V_0$ is deeper than $\sim-100$ MeV and $W_0$ shallower than $\sim-100$ MeV, of which the strength parameters come up to recent theoretical predictions.
dc.description18 pages, 6 figures, REVTeX 4, accepted for publication in Physics Letters B
dc.identifierhttps://arxiv.org/abs/nucl-th/0703037
dc.identifierhttp://arxiv.org/abs/nucl-th/0703037
dc.identifierPhys.Lett.B652:262-268,2007
dc.identifierdoi:10.1016/j.physletb.2007.07.038
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/188625
dc.subjectNuclear Theory
dc.titleCalculation of the $^3$He(in-flight $K^-$,$n$) reaction for searching the deeply-bound $K^-pp$ state
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