Isotopic dependence of the giant monopole resonance in the even-A Sn112-124 isotopes and the asymmetry term in nuclear incompressibility

T. Li, U. Garg, Y. Liu, R. Marks, B. K. Nayak, P. V.Madhusudhana Rao, M. Fujiwara, H. Hashimoto, K. Kawase, K. Nakanishi, S. Okumura, M. Yosoi, M. Itoh, M. Ichikawa, R. Matsuo, T. Terazono, M. Uchida, T. Kawabata, H. Akimune, Y. IwaoT. Murakami, H. Sakaguchi, S. Terashima, Y. Yasuda, J. Zenihiro, M. N. Harakeh

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198 Citations (Scopus)

Abstract

The strength distributions of the giant monopole resonance (GMR) have been measured in the even-A Sn isotopes (A=112-124) with inelastic scattering of 400-MeV α particles in the angular range 0°-8.5°. We find that the experimentally observed GMR energies of the Sn isotopes are lower than the values predicted by theoretical calculations that reproduce the GMR energies in Pb208 and Zr90 very well. From the GMR data, a value of Kτ=- 550±100MeV is obtained for the asymmetry term in the nuclear incompressibility.

Original languageEnglish
Article number162503
JournalPhysical review letters
Volume99
Issue number16
DOIs
Publication statusPublished - 2007 Oct 15

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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