/ Experiment-Nucl nucl-ex/0401038


Establishment of M1 multipolarity of a 6.5 mu**2(N) resonance in Yb-172 at E(gamma) = 3.3-MeV


Schiller, A. (LLNL, Livermore) ; Voinov, A. (Dubna, JINR) ; Algin, E. (Osmangazi U.) ; Becker, J.A. (LLNL, Livermore) ; Bernstein, L.A. (LLNL, Livermore) ; Garrett, P.E. (LLNL, Livermore) ; Guttormsen, M. (Oslo U.) ; Nelson, R.O. (Los Alamos) ; Rekstad, J. (Oslo U.) ; Siem, S. (Oslo U.)

Published in: Phys.Lett.
Year: 2006
Vol.: B633
Page No: 225-230
Pages: 4

Abstract: Two-step-cascade spectra in 172-Yb have been measured after thermal neutron capture. They are compared to calculations based on experimental values of the level density and radiative strength function (RSF) obtained from the 173-Yb(3-He,alpha gamma)172-Yb reaction. The multipolarity of a 6.5(15) mu_N^2 resonance at E_gamma=3.3(1) MeV in the RSF is determined to be M1 by this comparison.

Web-Page: http://dx.doi.org/10.1016/j.physletb.2005.12.043

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