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Low-lying isovector collective states and the interacting-boson model

Journal Article · · Phys. Rev. Lett.; (United States)
;
Isovector low-lying collective 2/sup +/ states are studied in the Samarium isotopes in terms of the interacting-boson model. On the basis of E2 transition data, it is pointed out that the 2/sub 3//sup +/ states of /sup 148,150/Sm are isovector. The first calculation including different proton and neutron boson charges is reported for the E2 transitions 0/sub 1//sup +/..-->..2/sub 1//sup +/. 2/sub 2//sup +/, and 2/sub 3//sup +/ of /sup 148154/Sm, giving rise to the first comprehensive agreement with experiment. Some predictions of B(M1) values are presented for further confirmation of the isovector properties.
Research Organization:
Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
OSTI ID:
5885617
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 54:8; ISSN PRLTA
Country of Publication:
United States
Language:
English

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Related Subjects

651713* -- Nuclear Properties & Reactions
A=90-149
Theoretical-- Energy Levels & Transitions-- (-1987)
651813 -- Nuclear Properties & Reactions
A=150-189
Theoretical-- Energy Levels & Transitions-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR MOMENTUM
BARYONS
BOSONS
COLLECTIVE MODEL
DEFORMED NUCLEI
E2-TRANSITIONS
EIGENSTATES
ELEMENTARY PARTICLES
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EVEN-EVEN NUCLEI
FERMIONS
HADRONS
HAMILTONIANS
INTERACTING BOSON MODEL
INTERMEDIATE MASS NUCLEI
ISOSPIN
ISOTOPES
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
MULTIPOLE TRANSITIONS
NEUTRONS
NUCLEAR MODELS
NUCLEI
NUCLEONS
PARITY
PARTICLE PROPERTIES
PROTONS
QUANTUM OPERATORS
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
SAMARIUM 148
SAMARIUM 150
SAMARIUM 154
SAMARIUM ISOTOPES
SHELL MODELS
SPIN
STABLE ISOTOPES