Sigma-Nucleus Potential in [Formula presented]

H. Noumi, P. K. Saha, D. Abe, S. Ajimura, K. Aoki, H. C. Bhang, T. Endo, Y. Fujii, T. Fukuda, H. C. Guo, K. Imai, O. Hashimoto, H. Hotchi, E. H. Kim, J. H. Kim, T. Kishimoto, A. Krutenkova, K. Maeda, T. Nagae, M. NakamuraH. Outa, M. Sekimoto, T. Saito, A. Sakaguchi, Y. Sato, R. Sawafta, Y. Shimizu, T. Takahashi, L. Tang, H. Tamura, K. Tanida, T. Watanabe, H. H. Xia, S. H. Zhou, L. H. Zhu, X. F. Zhu

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Abstract

We have studied the [Formula presented] reaction on a silicon target to investigate the sigma-nucleus potential. The inclusive spectrum was measured at a beam momentum of [Formula presented] with an energy resolution of 3.3 MeV (FWHM) by employing the superconducting kaon spectrometer system. The spectrum was compared with theoretical calculations within the framework of the distorted-wave impulse approximation, which demonstrates that a strongly repulsive sigma-nucleus potential with a nonzero size of the imaginary part reproduces the observed spectrum.

Original languageEnglish
JournalPhysical Review Letters
Volume89
Issue number7
DOIs
Publication statusPublished - 2002 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Noumi, H., Saha, P. K., Abe, D., Ajimura, S., Aoki, K., Bhang, H. C., Endo, T., Fujii, Y., Fukuda, T., Guo, H. C., Imai, K., Hashimoto, O., Hotchi, H., Kim, E. H., Kim, J. H., Kishimoto, T., Krutenkova, A., Maeda, K., Nagae, T., ... Zhu, X. F. (2002). Sigma-Nucleus Potential in [Formula presented] . Physical Review Letters, 89(7). https://doi.org/10.1103/PhysRevLett.89.072301