稳定锡同位素链中偶极极化性的演变

论文标题

稳定锡同位素链中偶极极化性的演变

Evolution of the dipole polarizability in the stable tin isotope chain

论文作者

Bassauer, S., von Neumann-Cosel, P., Reinhard, P. -G., Tamii, A., Adachi, S., Bertulani, C. A., Chan, P. Y., Colò, G., D'Alessio, A., Fujioka, H., Fujita, H., Fujita, Y., Gey, G., Hilcker, M., Hoang, T. H., Inoue, A., Isaak, J., Iwamoto, C., Klaus, T., Kobayashi, N., Maeda, Y., Matsuda, M., Nakatsuka, N., Noji, S., Ong, H. J., Ou, I., Paar, N., Pietralla, N., Ponomarev, V. Yu., Reen, M. S., Richter, A., Roca-Maza, X., Singer, M., Steinhilber, G., Sudo, T., Togano, Y., Tsumura, M., Watanabe, Y., Werner, V.

论文摘要

稳定的偶质量锡同位素的偶极极化性112,114,116,118,120,124是从295 MeV的无弹性质子散射实验中提取的，在RCNP上非常正向角度下。能量密度功能的预测不能同时考虑当前数据和208pb的极化性。相邻同位素中极化能力的演变表明在120SN时有扭结，而所有模型结果显示包含配对校正后的质量数几乎是线性增加的。

The dipole polarizability of stable even-mass tin isotopes 112,114,116,118,120,124 was extracted from inelastic proton scattering experiments at 295 MeV under very forward angles performed at RCNP. Predictions from energy density functionals cannot account for the present data and the polarizability of 208Pb simultaneously. The evolution of the polarizabilities in neighboring isotopes indicates a kink at 120Sn while all model results show a nearly linear increase with mass number after inclusion of pairing corrections.

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