Decay modes of the 9/2(-) isomeric state in Tl-183
- NázevTitle
- Decay modes of the 9/2(-) isomeric state in Tl-183Decay modes of the 9/2(-) isomeric state in Tl-183
- Druh výsledkuResult type
- Článek v časopiseJournal article
- AutořiAuthors
- M. Venhart, A. N. Andreyev, J. G. Cubiss, J. L. Wood, M. Veselský
- DOIDOI
- 10.1103/PhysRevC.105.034338
- Časopis / citaceJournal / citation
- PHYSICAL REVIEW C. 2022, 105(3), 1-9. ISSN 2469-9985.
- RokYear
- 2022
- JazykLanguage
- eng
- WoSWoS
- 000786588600004
- ScopusScopus
- 2-s2.0-85127497609
- RIVRIV
- RIV/68407700:21670/22:00362441!RIV23-MSM-21670___
- ProjektProject
- Institucionální podpora na rozvoj výzkumné org.Institucionální podpora na rozvoj výzkumné org.
AbstraktAbstract
The internal transition decay and alpha decay of the T-1/2 = 53.3 ms, 9/2(-) isomeric state in the neutron-deficient isotope, Tl-183, have been studied using the Resonance Ionization Laser Ion Source and the Windmill detection setup at the ISOLDE facility at CERN. Clean samples of Tl-183m were produced by selective laser ionization and subsequent mass separation. An internal transition cascade of 356.5-272.2 keV gamma rays has been identified. Multipolarities of these transitions have been determined by means of simultaneous gamma-ray and conversion- electron spectroscopy. Improved data for the fine structure of the Tl-183m -> 179 Au decay were deduced. This involves a 6058 keV alpha-decay transition, which populates a previously unknown state in Au-179, that is tentatively assigned as a (9/2(-)). It is interpreted as a coupling of the 1h(9/2) proton-intruder with the excited 0(+) state in the Pt-178 core.
The internal transition decay and alpha decay of the T-1/2 = 53.3 ms, 9/2(-) isomeric state in the neutron-deficient isotope, Tl-183, have been studied using the Resonance Ionization Laser Ion Source and the Windmill detection setup at the ISOLDE facility at CERN. Clean samples of Tl-183m were produced by selective laser ionization and subsequent mass separation. An internal transition cascade of 356.5-272.2 keV gamma rays has been identified. Multipolarities of these transitions have been determined by means of simultaneous gamma-ray and conversion- electron spectroscopy. Improved data for the fine structure of the Tl-183m -> 179 Au decay were deduced. This involves a 6058 keV alpha-decay transition, which populates a previously unknown state in Au-179, that is tentatively assigned as a (9/2(-)). It is interpreted as a coupling of the 1h(9/2) proton-intruder with the excited 0(+) state in the Pt-178 core.