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IJPAP Vol.42(08) [August 2004] >


Title: Spin-parity assignments to levels in the very-neutron-rich nucleus 113Rh
Authors: Sainath, M
Venkataramaniah, K
Sood, P C
Keywords: 113Rh Beta decay
Rh isotopes level systematics
113Rh levels spin parities assignments
Issue Date: Aug-2004
Publisher: CSIR
IPC CodeG 01 T 1/16
Abstract: Spins and parities have been assigned to the low-lying energy levels in the very neutron-rich Z=45 nucleus 113Rh identified in beta decay of the exotic fission fragment 113Ru. The assignments are based on the experimental intensities and log ft values, gamma energies, intensities, branchings and multi-polarities deduced from 113Ru decay, taken together with the trends for the analogous levels and their comparative feedings and decays in the lighter n-rich Rh isotopes with A=105-111, and the supporting model considerations. No abrupt pattern changes are noticed for this N=68 nucleus lying just beyond the N=66 mid shell point. Whereas the low-lying positive parity level energies show very little variation or a slow decreasing trend, the negative parity level energies are seen to rise sharply with the addition of successive neutron pairs. The intruder band, having reached minimum energy in the N=64 isotope109Rh, appears to have a parabolic increase on either side.
Page(s): 553-559
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.42(08) [August 2004]

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