Recent studies of kaonic atoms and nuclear clusters
Avraham Gal
TL;DR
This paper reviews recent research on kaonic atoms and nuclear clusters, focusing on chiral interaction models aligned with experimental data and discussing the roles of specific resonances in strangeness S=-1 dibaryon searches.
Contribution
It introduces updated chiral interaction models incorporating subthreshold energy dependence consistent with SIDDHARTA data and discusses resonance roles in strangeness S=-1 dibaryon searches.
Findings
Chiral models now include subthreshold energy dependence.
The p-wave Sigma(1385) resonance may influence dibaryon searches.
Resonance roles differ between s-wave and p-wave interactions.
Abstract
Recent studies of kaonic atoms, few-body kaonic quasibound states and kaonic nuclei are reviewed, with emphasis on implementing the subthreshold energy dependence of the Kbar-N interaction in chiral interaction models that are consistent with the SIDDHARTA K- hydrogen data. Remarks are made on the possible role of the p-wave Sigma(1385) resonance with respect to that of the s-wave Lambda(1405) resonance in searches for strangeness S=-1 dibaryons.
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