Giant monopole resonance in even-A Cd isotopes, the asymmetry term in nuclear incompressibility, and the "softness" of Sn and Cd nuclei

D. Patel, U. Garg, M. Fujiwara, H. Akimune, G. P.A. Berg, M. N. Harakeh, M. Itoh, T. Kawabata, K. Kawase, B. K. Nayak, T. Ohta, H. Ouchi, J. Piekarewicz, M. Uchida, H. P. Yoshida, M. Yosoi

研究成果: Article査読

48 被引用数 (Scopus)

抄録

The isoscalar giant monopole resonance (ISGMR) in even-A Cd isotopes has been studied by inelastic α-scattering at 100 MeV/u and at extremely forward angles, including 0°. The asymmetry term in the nuclear incompressibility extracted from the ISGMR in Cd isotopes is found to be K τ=-555±75MeV, confirming the value previously obtained from the Sn isotopes. ISGMR strength has been computed in relativistic RPA using NL3 and FSUGold effective interactions. Both models significantly overestimate the centroids of the ISGMR strength in the Cd isotopes. Combined with other recent theoretical effort, the question of the "softness" of the open-shell nuclei in the tin region remains open still.

本文言語English
ページ(範囲)447-450
ページ数4
ジャーナルPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
718
2
DOI
出版ステータスPublished - 2012 12 5

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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