Neutron capture cross sections of even-mass tellurium isotopes
Journal Article
·
· Physical Review. C, Nuclear Physics
- Department of Physics, Oregon State University, Corvallis, Oregon 97331 (United States)
Neutron capture by the stable even-mass Te isotopes (A=120 to 130) produces in the neighboring odd-neutron isotopes a low-spin ground state (1/2{sup +} or 3/2{sup +}) and a high-spin (11/2{sup -}) isomeric state. Following neutron irradiation of samples of Te of natural isotopic abundance, thermal cross sections and resonance integrals have been determined for all of the odd-mass radioactive ground states and isomers produced in the capture process. By comparing Cd-shielded and unshielded irradiations, it was possible to correct for the effect of capture by epithermal neutrons and so obtain consistent values for the thermal cross sections. Half-lives have been remeasured for {sup 121g,m}Te, {sup 127m}Te, and {sup 131m}Te. The previously observed systematic behavior of the thermal cross sections leading to the low-spin and high-spin states in Sn does not appear for the similar states in the Te isotopes.
- OSTI ID:
- 21068108
- Journal Information:
- Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 2 Vol. 77; ISSN 0556-2813; ISSN PRVCAN
- Country of Publication:
- United States
- Language:
- English
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