Improved Value for the Energy Splitting of the Ground-State Doublet in the Nucleus 229Th

We have made an improved estimate of the 229mTh isomer energy. The new value 7.8(5) eV includes an estimate of spectral contamination due to the out-of-band E2 transition from the 42.43-keV 7/2+ member of the [633] ground state band to the 3/2+ [631] 229mTh bandhead. We estimate a 2% branching ratio...

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Detalles Bibliográficos
Autores principales: Beck, B R, Becker, J A, Beiersdorfer,1 P, Brown, G V, Moody, J K, Wu, C Y, Wilhelmy, J B, Porter, F S, Kilbourne, C A, Kelley, R L
Lenguaje:eng
Publicado: 2010
Materias:
XX
Acceso en línea:http://cds.cern.ch/record/1237922

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