Reinvestigation of the beta-decay of 110Mo
Department of Physics, University of Jyväskylä, FIN-40351, Jyväskylä, Finland
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The beta-decay of the neutron-rich nucleus 110Mo, separated by the IGISOL on-line mass separator from other fission products, has been investigated by using beta-gamma and gamma-gamma coincidence techniques. The decay scheme of 110Mo has been revised, including 3 new excited states and 7 new transitions in 110Tc. The -feedings were measured and values and B(GT) values were deduced based on a -value from systematics. Three excited 1 + states in 110Tc fed by spin-flip allowed-unhindered beta transitions were identified. The deduced beta-decay strengths are compared with the Gamow-Teller strength distribution obtained from a macroscopic-microscopic calculation. The role of the asymptotic quantum numbers in the context of the allowed beta-decay is discussed.
© Società Italiana di Fisica and Springer-Verlag, 2004