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3 results on '"I-gamma"'

1. STUDY OF HIGH-SPIN STATES IN THE NUCLEUS EU-149

Subjects
GAMMA LINEAR POLARIZATION, 3N), IN-BEAM, PI, OCTUPOLE DEFORMATION, GAMMA-GAMMA(T), BAF2 MULTIPLICITY FILTER, I-GAMMA, MEASURED E-GAMMA, DCO RATIOS, E=58 MEV, GAMMA-MULTIPOLARITY NORDBALL MULTI-GE DETECTOR ARRAY, EU-149 DEDUCED LEVELS, SIGMA (E-GAMMA), DECAY, LA-139(C-13C
Abstract

In-beam studies of high-spin states in Eu-149 are reported. The level scheme extends up to an excitation energy of 7.1 MeV and a spin of 55/2HBAR. This nucleus is weakly deformed and most of the high-spin structure is interpreted through its multi-particle-hole nature. Octupole-phonon vibrations coupled to multi-particle-hole states are observed and discussed. In contrast with the Z less-than-or-equal-to 62 isotones, there is no conclusive evidence in Eu-149 for octupole deformation induced by rotation.

Published
1994

2. STUDY OF HIGH-SPIN STATES IN THE NUCLEUS EU-149

Subjects
GAMMA LINEAR POLARIZATION, 3N), IN-BEAM, Nuclear Theory, PI, OCTUPOLE DEFORMATION, GAMMA-GAMMA(T), BAF2 MULTIPLICITY FILTER, I-GAMMA, MEASURED E-GAMMA, DCO RATIOS, E=58 MEV, GAMMA-MULTIPOLARITY NORDBALL MULTI-GE DETECTOR ARRAY, EU-149 DEDUCED LEVELS, SIGMA (E-GAMMA), DECAY, LA-139(C-13C
Abstract

In-beam studies of high-spin states in Eu-149 are reported. The level scheme extends up to an excitation energy of 7.1 MeV and a spin of 55/2HBAR. This nucleus is weakly deformed and most of the high-spin structure is interpreted through its multi-particle-hole nature. Octupole-phonon vibrations coupled to multi-particle-hole states are observed and discussed. In contrast with the Z less-than-or-equal-to 62 isotones, there is no conclusive evidence in Eu-149 for octupole deformation induced by rotation.

Published
1994

3. STUDY OF HIGH-SPIN STATES IN THE NUCLEUS EU-149

Author

BACELAR, JC, JONGMAN, [No Value], NOORMAN, RF, DEVOIGT, MJA, NYBERG, J, SLETTEN, G, BERGSTROM, M, RYDE, H, and KVI - Center for Advanced Radiation Technology

Subjects
GAMMA LINEAR POLARIZATION, IN-BEAM, Nuclear Theory, PI, OCTUPOLE DEFORMATION, GAMMA-GAMMA(T), BAF2 MULTIPLICITY FILTER, I-GAMMA, MEASURED E-GAMMA, DCO RATIOS, LA-139(C-13C, 3N), E=58 MEV, GAMMA-MULTIPOLARITY NORDBALL MULTI-GE DETECTOR ARRAY, EU-149 DEDUCED LEVELS, SIGMA (E-GAMMA), DECAY
Abstract

In-beam studies of high-spin states in Eu-149 are reported. The level scheme extends up to an excitation energy of 7.1 MeV and a spin of 55/2HBAR. This nucleus is weakly deformed and most of the high-spin structure is interpreted through its multi-particle-hole nature. Octupole-phonon vibrations coupled to multi-particle-hole states are observed and discussed. In contrast with the Z less-than-or-equal-to 62 isotones, there is no conclusive evidence in Eu-149 for octupole deformation induced by rotation.

Published
1994

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