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Lifetime measurement of the first excited 5/2(+) state in Cs-133 using NaI(Tl) and LaBr3(Ce) detectors
- Issue Date
- 8월-2019
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Lifetime; LaBr3(Ce) scintillator; NaI(Tl) scintillator; Cs-133
- Citation
- APPLIED RADIATION AND ISOTOPES, v.150, pp.141 - 145
- Indexed
- SCIE
SCOPUS
- Journal Title
- APPLIED RADIATION AND ISOTOPES
- Volume
- 150
- Start Page
- 141
- End Page
- 145
- ISSN
- 0969-8043
- Abstract
- We report a new high-precision lifetime measurement of the first excited 5/2(+) state of Cs-133 using NaI(Tl) and LaBr3(Ce) detectors. The time difference between the coincident decays of two successive states was measured using fast-timing electronics. The 356-key (1/2(+) -> 5/2(+)) gamma transition was tagged by the successive 81-keV (5/2(+) -> 7/2(+)) transition of Cs-133. The half-life of the first excited 5/2(+) Cs-133 state was measured as T-1/2 = 6.283 +/- 0.004 (stat.) +/- 0.011(syst.) ns.
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Collections - College of Science > Department of Physics > 1. Journal Articles
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