Density Dependence in Σ^- Atoms and Implications for Σ Hypernuclei

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概要

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• The measured strong-interaction energy shifts, widths and yields of Σ^- atomic levels over the periodic table are fitted by using a density dependent Σ nucleus optical potential V^Σ_<opt>. The best fit solutions for V^Σ_<opt> depart considerably from a standard t_<eff>ρ(r) form in that the real part tends to flip sign, e. g. from attraction for Re V^Σ_<opt> outside the nucleus to repulsion inside. However, the quality of the atomic data is too poor to determine unambiguously V^Σ_<opt> inside the nucleus. For such density dependent potentials, single-particle hypernuclear states are likely to be unbound.

• 理論物理学刊行会の論文
• 1995-03-31

著者

• Gal Avraham

  Racah Institute Of Physics The Hebrew University

• Gal A.

  Racah Institute Of Physics The Hebrew University

• BATTY C.

  Rutherford Appleton Laboratory

• FRIEDMAN E.

  Racah Institute of Physics, The Hebrew University

• Friedman E.

  Racah Institute Of Physics The Hebrew University

• Batty C.J.

  Rutherford Appleton Laboratory

関連論文

• Fifty Years of Hypernuclei and Beyond(Proceedings of the 18th Nishinomiya Yukawa Memorial Symposium)
• Strangeness Nuclear Physics-2010 : Overview of Strangeness Nuclear Physics(Hadrons in Nuclei,New Frontiers in QCD 2010-Exotic Hadron Systems and Dense Matter-)
• Overview of K^^--Nuclear Theory and Phenomenology : Search for Narrow Quasibound States(Kaons in nuclei, Chiral dynamics in nuclear medium, New Frontiers in QCD-Exotic Hadrons and Hadronic Matter-)
• Density Dependence in Σ^- Atoms and Implications for Σ Hypernuclei
• Widths of Ξ Hypernuclear States
• Application of Mass Formulae for Multiply Strange Nuclei

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