Dipole polarizability of Sn 120 and nuclear energy density functionals

T. Hashimoto, A. M. Krumbholz, P. G. Reinhard, A. Tamii, P. Von Neumann-Cosel, T. Adachi, N. Aoi, C. A. Bertulani, H. Fujita, Y. Fujita, E. Ganioʇlu, K. Hatanaka, E. Ideguchi, C. Iwamoto, T. Kawabata, N. T. Khai, A. Krugmann, D. Martin, H. Matsubara, K. MikiR. Neveling, H. Okamura, H. J. Ong, I. Poltoratska, V. Yu Ponomarev, A. Richter, H. Sakaguchi, Y. Shimbara, Y. Shimizu, J. Simonis, F. D. Smit, G. Süsoy, T. Suzuki, J. H. Thies, M. Yosoi, J. Zenihiro

研究成果: ジャーナルへの寄稿学術論文査読

85 被引用数 (Scopus)

抄録

The electric dipole strength distribution in Sn120 between 5 and 22 MeV has been determined at the Research Center for Nuclear Physics, Osaka, from polarization transfer observables measured in proton inelastic scattering at E0=295 MeV and forward angles including 0°. Combined with photoabsorption data, a highly precise electric dipole polarizability αD(Sn120)=8.93(36)fm3 is extracted. The dipole polarizability as isovector observable par excellence carries direct information on nuclear symmetry energy and its density dependence. The correlation of the new value with the well-established αD(Pb208) serves as a test of its prediction by nuclear energy density functionals. Models based on modern Skyrme interactions describe the data fairly well while most calculations based on relativistic Hamiltonians cannot.

本文言語英語
論文番号031305
ジャーナルPhysical Review C - Nuclear Physics
92
3
DOI
出版ステータス出版済み - 28-09-2015
外部発表はい

All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学

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