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Formation of mesic nuclei by [formula omitted]reactions

Authors
Journal
Nuclear Physics A
0375-9474
Publisher
Elsevier
Publication Date
Volume
761
Identifiers
DOI: 10.1016/j.nuclphysa.2005.07.001
Keywords
  • Hadronic Physics

Abstract

Abstract We present a theoretical study on formation rates of η and ω meson–nucleus systems induced by ( γ , p ) reactions on nuclear targets at ideal recoilless condition. We find that the smaller distortion effect in the ( γ , p ) reaction enables us to investigate properties of the mesons created deeply inside nucleus more clearly. We also consider excitation of scalar–isoscalar ( σ ) mode in nucleus in order to investigate spectral enhancement around two-pion threshold caused by partial restoration of chiral symmetry. We conclude that valuable information of meson–nucleus interactions can be extracted from global structure of the missing mass spectra in the ( γ , p ) reaction.

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