Prompt {gamma}-ray spectroscopy of the {sup 104}Mo and {sup 108}Mo fission fragments
- Centre de Recherches Nucleaires, Institut National de Physique Nucleaire et de Physique des Particules, Centre National de la Recherche Scientifique, Universite Louis Pasteur, 67037 Strasbourg (France)
- Department of Physics, University of Manchester, M13 9PL (United Kingdom)
- Argonne National Laboratory, Argonne, Illinois 60439 (United States)
- Laboratoire de Physique Nucleaire Appliquee, Faculte des Sciences, Kenitra, Maroc (France)
The level structures of the neutron-rich {sup 104}Mo and {sup 108}Mo nuclei have been investigated by observing prompt {gamma} rays emitted in the spontaneous fission of {sup 248}Cm with the EUROGAM spectrometer. Levels with spins up to 12{h_bar} have been observed and {gamma} branching obtained. The data can be satisfactorily described when {sup 104,108}Mo are considered as axially symmetric nuclei: in {sup 104}Mo, rotational bands based on the ground state, the one-phonon and the two-phonon {gamma}-vibrational states and a quasiparticle state have been observed, whereas in {sup 108}Mo the information is limited to the yrast band and the one phonon {gamma} band. {copyright} {ital 1996 The American Physical Society.}
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 282045
- Journal Information:
- Physical Review, C, Journal Name: Physical Review, C Journal Issue: 3 Vol. 53; ISSN PRVCAN; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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