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Nuclear structure of Te-129 studied with (n, gamma), (d, p) and ((d)over-right-arrow, t) reactions
- 1.0185747 - UJF-V 20033063 RIV NL eng J - Journal Article
Wirth, HF. - Egidy, T. von - Tomandl, Ivo - Honzátko, Jaroslav - Bucurescu, D. - Marginean, N. - Ponomarev, VY. - Hertenberger, R. - Eisermann, Y. - Graw, G.
Nuclear structure of Te-129 studied with (n, gamma), (d, p) and ((d)over-right-arrow, t) reactions.
Nuclear Physics. A. Roč. 716, - (2003), s. 3-54. ISSN 0375-9474. E-ISSN 1873-1554
R&D Projects: GA ČR GA202/03/0891; GA AV ČR KSK1048102
Institutional research plan: CEZ:AV0Z1048901
Keywords : level scheme * Te128(n,gamma)
Subject RIV: BG - Nuclear, Atomic and Molecular Physics, Colliders
Impact factor: 1.761, year: 2003
The nuclear structure of Te-129 has been investigated with the Te-128(n, gamma gamma) Te-129 reaction using thermal neutrons, with the Te-128(d, p) Te-129 reaction at E-d = 24 MeV and E-d = 18 MeV. and with the Te-130((d) over right arrow, t) Te-129 reaction at E-d = 24 MeV. More than 110 levels were identified already below 3 MeV excitation energy, in most cases including spin, parity, and gamma decay. The neutron binding energy was determined to be 6082.42(11) keV. The thermal neutron capture cross sections to the ground state and to the 11/2(-) isomer were found to be 0.165(20) b and 0.021(3) b, respectively. The mechanism of direct neutron capture was verified to play an important role in the Te-128(n, gamma) Te-129 reaction, The experimental level scheme is compared with predictions of the Interacting Boson-Fermion Model (IBFM) and of the Quasiparticle Phonon Model (QPM).
Permanent Link: http://hdl.handle.net/11104/0082124
Number of the records: 1