The nuclear structure of Te-127 has been investigated with the Te-126(n,gamma)Te-127 reaction using thermal neutrons and with the Te-126((d) over right arrow ,p)Te-127 reaction at E-d = 20 MeV. More than 150 levels were identified already below 3.6 MeV excitation energy, in most cases including spin, parity and gamma-decay. The gamma-decay scheme after neutron capture is essentially complete containing about 100% of the population of the 11/2(-) isomer and of the ground state. The thermal neutron capture cross section and isomer production of the 11/2- state at 88.3 keV were determined to be 0.38(4)b and 0.063(5)b, respectively. The experimental level scheme is compared with predictions of the Interacting Boson-Fermion Model (IBFM) and of the Quasiparticle Phonon Model (QPM).
机构:
Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
Univ Chinese Acad Sci, Sch Phys Sci, Beijing 101408, Peoples R ChinaChinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
Dong, Yubing
Shen, Pengnian
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机构:
Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R ChinaChinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China