In-medium antikaon interactions and bound states
Avraham Gal, Eli Friedman, Nir Barnea, Ale\v{s} Ciepl\'y, Ji\v{r}\'i, Mare\v{s}, Daniel Gazda
TL;DR
This paper emphasizes the importance of accurately modeling subthreshold Kbar-N interactions for kaonic-atom and Kbar-nuclear bound-state calculations, highlighting the role of in-medium effects and multi-nucleon contributions.
Contribution
It demonstrates the necessity of correct subthreshold Kbar-N dynamics treatment using in-medium chirally-based models for reliable predictions.
Findings
In-medium chirally-based models are essential for accurate Kbar-N interaction descriptions.
Multi-nucleon contributions significantly affect kaonic-atom data.
Kbar-nuclear widths exceeding 50 MeV are expected.
Abstract
Correct treatment of subthreshold Kbar-N dynamics is mandatory in kaonic-atom and Kbar-nuclear bound-state calculations, as demonstrated by using in-medium chirally-based models of Kbar-N interactions. Recent studies of kaonic-atom data reveal appreciable multi-nucleon contributions. Kbar-nuclear widths larger than 50 MeV are anticipated.
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