Electronic Resource
Springer
The European physical journal
272 (1975), S. 341-349
ISSN:
1434-601X
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The level structure of the 87-neutron nucleus151Gd has been investigated by studying the EC- andβ +-decay of151Tb. Gamma-ray and conversion electron spectra as well as gamma-gamma coincidence spectra were measured by using semiconductor spectrometers and a high-capacity two-parameter recording system. The proposed decay scheme contains several new energy levels in151Gd, among them a 5−/2 state at 427 keV. To explain the low-energy level structure, a small stable deformation is assumed for151Gd. Using a single-particle-plus-rotor model based on a generalized Woods-Saxon potential, complete mixing of the shells 1h 9/2, 2f 7/2 and separately 1i 13/2 is observed. By these mixings the correct level order and approximately correct excitation energies up to 1 MeV are reproduced.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01440859
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