127I的八极相关

International Journal of Modern Physics E-nuclear Physics Pub Date : 2021-04-12 DOI:10.1142/S0218301321500300

Sandip Chakraborty, H. Sharma, S. Tiwary, C. Majumder, A. Gupta, A. Kumar, P. Banerjee, S. Ganguly, Satish Kumar, R. Singh, S. Muralithar

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摘要

束流内[公式:见文]-[公式:见文]的射线光谱学进行了[公式:见文]Sn(7Li, 4n[公式:见文])在33 MeV束流能量下的聚变蒸发反应。从本研究中提取了从[公式:见文]状态减少的跃迁的电偶极子(E1)和电四极子(E2)跃迁概率的比值[B(E1)/B(E2)]。相反宇称带之间存在增强的E1跃迁率，主要与[公式:见文]和[公式:见文]构型相关，这表明该核中存在八极相关

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Octupole correlations in 127I

In-beam [Formula: see text]-ray spectroscopy of [Formula: see text]I was carried out following [Formula: see text]Sn(7Li, 4n[Formula: see text]) fusion-evaporation reaction at a beam energy of 33 MeV. Ratio of the electric dipole (E1) and electric quadrupole (E2) transition probabilities [B(E1)/B(E2)] for the transitions depopulating from the [Formula: see text] states have been extracted from this study. Existence of enhanced E1 transition rates between the opposite parity bands, associated dominantly with [Formula: see text] and [Formula: see text] configurations, provides an indication of octupole correlations in this nucleus

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International Journal of Modern Physics E-nuclear Physics

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