Nuclear structure studies of 125Te with (n,γ), (d,p) and (3He,α) reactions

J. Honzátko, I. Tomandl, V. Bondarenko, D. Bucurescu, T. Von Egidy, J. Ott, W. Schauer, H. F. Wirth, C. Doll, A. Gollwitzer, G. Graw, R. Hertenberger, B. D. Valnion

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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.

Original languageEnglish
Pages (from-to)331-375
Number of pages45
JournalNuclear Physics, Section A
Issue number3
StatePublished - 18 Jan 1999


  • Binding energy
  • Enrichec targets
  • Ge detectors
  • Interacting boson-fermion model calculation and comparison
  • J, π, γ-branching ratios
  • Magnetic spectrograph
  • Measured particle spectra
  • Nuclear reactions: Te(n,γ), E = thermal, measured E, I, γγ-coin
  • Spectroscopic factors
  • Te deduced levels
  • Te(He,α), E = 32 MeV
  • Te(d,p), E = 17 MeV


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