Nuclear structure studies of 125Te with (n,γ), (d,p) and (3He,α) reactions
Nuclear Physics A(1999)
摘要
Levels in 125Te were investigated in the range up to 3.3 MeV excitation energy by the (n,γ), (d,p) and (3He,α) reactions. Over 160 levels and about 360 γ-transitions were established, most for the first time. The states below 2.3 MeV with the most complete spectroscopic information were interpreted in terms of the interacting boson-fermion model (IBFM). Unitary treatment of both positive- and negative-parity states is achieved with the same model parameter close to the intermediate case between O(6) and U(5) limits. Excitation energies, electromagnetic transition rates, γ-branchings and spectroscopic factors are discussed in connection with the possible structures. A family of low-spin negative-parity states has been identified and understood by the IBFM proving their antialigned origin.
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关键词
21.10.−k,23.20.Lv,27.60.+j
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