Effect of ground-state deformation on isoscalar giant resonances in Si 28

T. Peach, U. Garg, Y. K. Gupta, J. Hoffman, J. T. Matta, D. Patel, P. V.Madhusudhana Rao, K. Yoshida, M. Itoh, M. Fujiwara, K. Hara, H. Hashimoto, K. Nakanishi, M. Yosoi, H. Sakaguchi, S. Terashima, S. Kishi, T. Murakami, M. Uchida, Y. YasudaH. Akimune, T. Kawabata, M. N. Harakeh, G. Colò

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27 Citations (Scopus)


Multipole strength distributions for isoscalar L≤2 transitions in Si28 have been extracted using 386-MeV inelastic α scattering at extremely forward angles, including 0. Observed strength distributions are in good agreement with microscopic calculations for an oblate-deformed ground state. In particular, a large peak at an excitation energy of 17.7 MeV in the isoscalar giant monopole resonance strength is consistent with the calculations.

Original languageEnglish
Article number064325
JournalPhysical Review C
Issue number6
Publication statusPublished - 2016 Jun 29


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