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Two-scale scalar mesons in nuclei

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Abstract.

We generalize the linear σ model in order to develop a chiral-invariant model of the nuclear structure. The model is natural, and contains not only the usual σ-meson which is the chiral partner of the pion but also a new chiral singlet that is responsible for the medium-range nucleon-nucleon attraction. This approach provides significant advantages in terms of its description of nuclear matter and finite nuclei in comparison with conventional models based on the linear σ model.

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Authors and Affiliations

  1. Department of Physics, Faculty of Science and Technology, Tokyo University of Science, 278-8510, Noda, Japan

    K. Saito

  2. Department of Physics, Saga University, 840-8502, Saga, Japan

    H. Kouno

  3. Physics Division, National Center for Theoretical Sciences, 10617, Taipei, Taiwan

    K. Tsushima

  4. Thomas Jefferson National Accelerator Facility, 12000 Jefferson Ave., 23606, Newport News, VA, USA

    A. W. Thomas

Authors
  1. K. Saito
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  2. H. Kouno
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  3. K. Tsushima
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  4. A. W. Thomas
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Corresponding author

Correspondence to K. Saito.

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V. Vento

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Saito, K., Kouno, H., Tsushima, K. et al. Two-scale scalar mesons in nuclei. Eur. Phys. J. A 26, 159–165 (2005). https://doi.org/10.1140/epja/i2005-10170-7

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  • DOI: https://doi.org/10.1140/epja/i2005-10170-7

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