Elsevier

Nuclear Physics A

Volume 755, 13 June 2005, Pages 491-494
Nuclear Physics A

In-medium properties of N*(1535) in chiral models and η-nucleus interaction

https://doi.org/10.1016/j.nuclphysa.2005.03.061Get rights and content

We investigate the properties of η-nucleus interaction by postulating the N*(1535) dominance for ηN system. We evaluate the N*(1535) properties in the nuclear medium using two kinds of chiral models, and find that these two models provide qualitatively different η-nucleus optical potential reflecting the quite distinct properties of N*(1535) in these chiral models. We find also that the difference of these models can be seen in the formation cross sections of the η mesic nuclei with (d,3He) and (γ,p) reactions, which are expected to be distinguishable in experiments.

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Work of D.J. in Germany was supported by the Alexander von Humboldt Foundation.

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