Systematics of the bimodal isoscalar giant dipole resonance

M. Uchida, H. Sakaguchi, M. Itoh, M. Yosoi, T. Kawabata, Y. Yasuda, H. Takeda, T. Murakami, S. Terashima, S. Kishi, U. Garg, P. Boutachkov, M. Hedden, B. Kharraja, M. Koss, B. K. Nayak, S. Zhu, M. Fujiwara, H. Fujimura, H. P. YoshidaK. Hara, H. Akimune, M. N. Harakeh

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95 Citations (Scopus)


The systematic behavior of the isoscalar giant dipole resonance (ISGDR) in 90Zr, 116Sn, 144Sm, and 208Pb is studied with inelastic α scattering at Eα=386 MeV. Multipole-decomposition analysis is applied to extract the excitation strengths of giant resonances from the (α, α′) differential cross sections at θlab=0.64°-13.5°. The bimodal structure of the ISGDR is discussed and compared with recent theoretical results from Hartree-Fock+random-phase-approximation calculations.

Original languageEnglish
Article number051301
Pages (from-to)051301-1-051301-5
JournalPhysical Review C - Nuclear Physics
Issue number5
Publication statusPublished - 2004 May


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