K− nuclear states: Binding energies and widths

K− nuclear states: Binding energies and widths K− optical potentials relevant to calculations of K− nuclear quasibound states were developed within several chiral meson-baryon coupled-channels interaction models. The applied models yield quite different K− binding energies and widths. Then the K− multinucleon interactions were incorporated by a phenomenological optical potential fitted recently to kaonic atom data. Though the applied K− interaction models differ significantly in the K−N subthreshold region, our self-consistent calculations of kaonic nuclei across the periodic table lead to conclusions valid quite generally. Due to K− multinucleon absorption in the nuclear medium, the calculated widths of K− nuclear states are sizable, ΓK−≥90 MeV, and exceed substantially their binding energies in all considered nuclei. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review C American Physical Society (APS)

K− nuclear states: Binding energies and widths

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K− nuclear states: Binding energies and widths

Abstract

K− optical potentials relevant to calculations of K− nuclear quasibound states were developed within several chiral meson-baryon coupled-channels interaction models. The applied models yield quite different K− binding energies and widths. Then the K− multinucleon interactions were incorporated by a phenomenological optical potential fitted recently to kaonic atom data. Though the applied K− interaction models differ significantly in the K−N subthreshold region, our self-consistent calculations of kaonic nuclei across the periodic table lead to conclusions valid quite generally. Due to K− multinucleon absorption in the nuclear medium, the calculated widths of K− nuclear states are sizable, ΓK−≥90 MeV, and exceed substantially their binding energies in all considered nuclei.
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Publisher
American Physical Society (APS)
Copyright
Copyright © ©2017 American Physical Society
ISSN
0556-2813
eISSN
1089-490X
D.O.I.
10.1103/PhysRevC.96.015205
Publisher site
See Article on Publisher Site

Abstract

K− optical potentials relevant to calculations of K− nuclear quasibound states were developed within several chiral meson-baryon coupled-channels interaction models. The applied models yield quite different K− binding energies and widths. Then the K− multinucleon interactions were incorporated by a phenomenological optical potential fitted recently to kaonic atom data. Though the applied K− interaction models differ significantly in the K−N subthreshold region, our self-consistent calculations of kaonic nuclei across the periodic table lead to conclusions valid quite generally. Due to K− multinucleon absorption in the nuclear medium, the calculated widths of K− nuclear states are sizable, ΓK−≥90 MeV, and exceed substantially their binding energies in all considered nuclei.

Journal

Physical Review CAmerican Physical Society (APS)

Published: Jul 24, 2017

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