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. Yasuda
  • H. Akimune, T. Kawabata, M. N. Harakeh, G. Colò

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

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
Volume93
Issue number6
DOIs
StatePublished - Jun 29 2016

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