"Bi-modal" isoscalar giant dipole strength in 58Ni

B. K. Nayak, U. Garg, M. Hedden, M. Koss, T. Li, Y. Liu, P. V. Madhusudhana Rao, S. Zhu, M. Itoh, H. Sakaguchi, H. Takeda, M. Uchida, Y. Yasuda, M. Yosoi, H. Fujimura, M. Fujiwara, K. Hara, T. Kawabata, H. Akimune, M. N. Harakeh

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28 Citations (Scopus)

Abstract

The strength distribution of the isoscalar giant dipole resonance (ISGDR) in 58Ni has been obtained over the energy range 10.5-49.5 MeV via extreme forward angle scattering (including 0°) of 386 MeV α particles. We observe a "bi-modal" E1 strength distribution for the first time in an A < 90 nucleus. The observed ISGDR strength distribution is in reasonable agreement with the predictions of a recent RPA calculation.

Original languageEnglish
Pages (from-to)43-47
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume637
Issue number1-2
DOIs
Publication statusPublished - 2006 Jun 1
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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