Scissors Mode of 162Dy Studied from Resonance Neutron Capture
1 Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
2 Charles University in Prague, CZ-18000 Prague 8, Czech Republic
3 North Carolina State University, Raleigh, NC - 27695, USA
4 Triangle Universities Nuclear Laboratory, Durham, NC - 27708, USA
a e-mail: email@example.com
Published online: 28 May 2015
Multi-step cascade γ-ray spectra from the neutron capture at isolated resonances of 161Dy nucleus were measured at the LANSCE/DANCE time-of-flight facility in Los Alamos National Laboratory. The objectives of this experiment were to confirm and possibly extend the spin assignment of s-wave neutron resonances and get new information on photon strength functions with emphasis on the role of the M1 scissors mode vibration. The preliminary results show that the scissors mode plays a significant role in all transitions between accessible states of the studied nucleus. The photon strength functions describing well our data are compared to results from 3He-induced reactions, (n,γ) experiments on Gd isotopes, and (γ,γ’) reactions.
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