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- W2777323610 abstract "In this contribution we report on theoretical studies of $eta$ nuclear quasi-bound states in few- and many-body systems performed recently by the Jerusalem-Prague Collaboration [1-5]. Underlying energy-dependent $eta N$ interactions are derived from coupled-channel models that incorporate the $N^*(1535)$ resonance. The role of self-consistent treatment of the strong energy dependence of subthreshold $eta N$ amplitudes is discussed. Quite large downward energy shift together with rapid decrease of the $eta N$ amplitudes below threshold result in relatively small binding energies and widths of the calculated $eta$ nuclear bound states. We argue that the subthreshold behavior of $eta N$ scattering amplitudes is crucial to conclude whether $eta$ nuclear states exist, in which nuclei the $eta$ meson could be bound and if the corresponding widths are small enough to allow detection of these $eta$ nuclear states in experiment." @default.
- W2777323610 created "2018-01-05" @default.
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- W2777323610 date "2017-12-21" @default.
- W2777323610 modified "2023-09-27" @default.
- W2777323610 title "Eta-mesic nuclei" @default.
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- W2777323610 hasPublicationYear "2017" @default.
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