Universität zu Köln

Hicks, S. F., Boehringer, J. C., Boukharouba, N., Fransen, C., Lesher, S. R., Mueller, J. M., Vanhoy, J. R. and Yates, S. W. (2012). Collective and two-quasiparticle excitations in Te-128. Phys. Rev. C, 86 (5). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1089-490X

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Abstract

Excited levels of Te-128 to 3.3 in MeV excitation have been studied using gamma-ray spectroscopy following inelastic scattering of accelerator-produced neutrons. Spectroscopic information, including transition energies, level spins, E2/M1 multipole-mixing ratios, and gamma-ray branching ratios, was determined from gamma-ray excitation functions measured from E-n = 2.15-3.33 MeV in 90-keV increments, gamma-ray angular distributions measured at E-n = 2.2, 2.8, and 3.3 MeV, and gamma gamma coincidences measured at E-n = 3.6 MeV. Lifetimes of levels in Te-128 were deduced using Doppler-shift attenuation techniques. Absolute transition probabilities were determined for many levels and compared to interacting boson model and particle-core coupling model calculations to identify few particle and collective structures; states exhibiting the decay characteristics expected for two-phonon, mixed-symmetry, and quadrupole-octupole coupled states are identified.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Hicks, S. F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Boehringer, J. C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Boukharouba, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fransen, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lesher, S. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mueller, J. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Vanhoy, J. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Yates, S. W. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-478918
DOI:	10.1103/PhysRevC.86.054308
Journal or Publication Title:	Phys. Rev. C
Volume:	86
Number:	5
Date:	2012
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1089-490X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language NUCLEAR-DATA SHEETS; NEUTRON MIXED-SYMMETRY; EVEN-EVEN NUCLEI; OR-EQUAL-TO; TE ISOTOPES; TELLURIUM ISOTOPES; CROSS-SECTIONS; STATES; LEVEL; TRANSITIONS Multiple languages Physics, Nuclear Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/47891