Half-life and excitation energy of the I{sup {pi}}=13/2{sup +} isomer in {sup 209}Ra
Journal Article
·
· Physical Review. C, Nuclear Physics
- CSNSM, IN2P3-CNRS, F-91405 Orsay Campus (France)
- FLNR, JINR, Dubna (Russian Federation)
- IPHC, IN2P3-CNRS, F-67037 Strasbourg (France)
- Department of Physics, Oslo University, N-0316 Oslo (Norway)
An isomeric state in {sup 209}Ra has been observed for the first time, using the GABRIELA setup at the focal plane of VASSILISSA, to decay to the ground state of {sup 209}Ra via a cascade of 238-keV (M2) and 644-keV transitions. The half-life of the isomer has been measured to be 117(5) {mu}s and from systematics is assigned as a neutron i{sub 13/2}{sup -1} excitation.
- OSTI ID:
- 21189952
- Journal Information:
- Physical Review. C, Nuclear Physics, Vol. 77, Issue 4; Other Information: DOI: 10.1103/PhysRevC.77.047305; (c) 2008 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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