Proc.of the 12th Intern.Conf.on Nuclear Reaction and Mechanisms, Varenna, Italy, June 15-19, 2009, F.Cerutti, A.Ferrari Eds., Vol.1, p.255 (2010)

B.R.Beck, J.A.Becker, P.Beiersdorfer, G.V.Brown, K.J.Moody, C.Y.Wu, J.B.Wilhelmy, F.S.Porter, C.A.Kilbourne, R.L.Kelley

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

RADIOACTIVITY ²³³U(α); analyzed Eγ. ²²⁹Th; deduced energy splitting of the ground-State doublet.