Splitting of ISGMR strength in the light-mass nucleus 24Mg due to ground-state deformation

Y. K. Gupta, U. Garg, J. T. Matta, D. Patel, T. Peach, J. Hoffman, 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. AkimuneT. Kawabata, M. N. Harakeh

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

The isoscalar giant monopole resonance (ISGMR) strength distribution in 24Mg has been determined from background-free inelastic scattering of 386-MeV α particles at extreme forward angles, including 0{ring operator}. The ISGMR strength distribution has been observed for the first time to have a two-peak structure in a light-mass nucleus. This splitting of ISGMR strength is explained well by microscopic theory in terms of the prolate deformation of the ground state of 24Mg.

Original languageEnglish
Pages (from-to)343-346
Number of pages4
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume748
DOIs
Publication statusPublished - 2015 Sep 2

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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