E0-E2-M1 multipole admixtures of transitions in even-even nuclei

Journal Article · Fri Jan 01 04:00:00 EST 1982 · Rev. Mod. Phys.; (United States)

DOI:https://doi.org/10.1103/RevModPhys.54.119· OSTI ID:5847502

Lange, J; Kumar, K; Hamilton, J H

Measurements of E2/M1 and E0/E2 multipole mixing ratios of transitions in even-even nuclei have long provided important tests of nuclear models. The experimental data for transitions in even-even nuclei have been critically surveyed to provide the most accurate results for comparisons with theoretical calculations. The theoretical approaches to the calculations of these mixing ratios on the bases of different nuclear models are considered and compared with experimental data. The variations in signs and magnitudes of the E2/M1 mixing ratios from nucleus to nucleus for the same class transitions and within a given nucleus for transitions from different spin states suggest that a microscopic approach is needed to explain the data theoretically. The pairing-plus quadrupole model has achieved the first successes in predicting these variations, primarily in the osmium to platinum region.

• Research Organization: Physics Department, Vanderbilt University, Nashville, Tennessee 37235
• OSTI ID: 5847502
• Journal Information: Rev. Mod. Phys.; (United States), Journal Name: Rev. Mod. Phys.; (United States) Vol. 54:1; ISSN RMPHA
• Country of Publication: United States
• Language: English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR CORRELATION
ANGULAR MOMENTUM
COLLECTIVE MODEL
CORRELATIONS
DATA
DEFORMED NUCLEI
DOCUMENT TYPES
E0-TRANSITIONS
E2-TRANSITIONS
ENERGY-LEVEL TRANSITIONS
EVEN-EVEN NUCLEI
EXPERIMENTAL DATA
HAMILTONIANS
HARTREE-FOCK METHOD
INFORMATION
M1-TRANSITIONS
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
MATRIX ELEMENTS
MIXING RATIO
MULTIPOLE TRANSITIONS
NUCLEAR MODELS
NUCLEI
NUMERICAL DATA
PERTURBATION THEORY
QUANTUM OPERATORS
REVIEWS
SHELL MODELS