Kaonic atoms and in-medium $K^{-}N$ amplitudes

Abstract

Recent work on the connection between in-medium subthreshold $K^{-}N$ amplitudes and kaonic atom potentials is updated by using a next to leading order chirally motivated coupled channel separable interaction model that reproduces $\bar{K}N$ observables at low energies, including the very recent SIDDHARTA results for the atomic $K^{-}$-hydrogen $1s$ level shift and width. The corresponding $K^{-}$-nucleus potential is evaluated self-consistently within a single-nucleon approach and is critically reviewed with respect to empirical features of phenomenological optical potentials. The need to supplement the single-nucleon based approach with multi-nucleon interactions is demonstrated by showing that additional empirical absorptive and dispersive terms, beyond the reach of chirally motivated $K^{-}$-nucleus potentials, are required in order to achieve good agreement with the bulk of the data on kaonic atoms.

V3 updating references to match the published version

References in corpus (8)

• In-medium nuclear interactions of low-energy hadrons
• Kaonic hydrogen X-ray measurement in SIDDHARTA
• Chirally motivated $\bar{K}N$ amplitudes for in-medium applications
• Precision measurement of the $3d\to 2p$ x-ray energy in kaonic ${}^4$He
• Multi-$\bar{K}$ nuclei and kaon condensation
• Multi-$\bar{K}$ hypernuclei
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Cited by in corpus (21)

• Strangeness in nuclear physics
• Realistic calculations of Kbar-N-N, Kbar-N-N-N, and Kbar-Kbar-N-N quasibound states
• Meson-nucleus potentials and the search for meson-nucleus bound states
• Chirally motivated $\bar{K}N$ amplitudes for in-medium applications
• Review of the $\mathbf{\Lambda }$(1405): A curious case of a strange-ness resonance
• Eta-nuclear bound states revisited
• $K^{-}N$ amplitudes below threshold constrained by multinucleon absorption
• Recent studies of kaonic atoms and nuclear clusters
• Kaonic atoms and in-medium K-N amplitudes II: interplay between theory and phenomenology
• In-medium Eta-Nucleon interactions and Eta nuclear bound states
• Branching ratios of mesonic and nonmesonic antikaon absorptions in nuclear medium
• Characterization of the SIDDHARTA-2 luminosity monitor
• Chirally motivated separable potential model for $\eta N$ amplitudes
• Testing in-medium $\pi N$ dynamics on pionic atoms
• Antinucleon-nucleus interaction near threshold from the Paris $\bar{N}N$ potential
• MESON2016 -- Concluding Remarks
• Feasibility guidelines for kaonic-atom experiments with ultra-high-resolution X-ray spectrometry
• X-ray transition yields of low-Z kaonic atoms produced in Kapton
• In-medium antikaon interactions and bound states
• $K^{+}$-nucleus potentials from $K^{+}$-nucleon amplitudes
• On the width of the $K^{-}$D atom ground state