Published December 15, 1988
| Version v1
Journal article
Proton-neutron sdg boson model and spherical-deformed phase transition
Creators
- 1. Tokyo Univ. (Japan). Dept. of Physics
- 2. Japan Atomic Energy Research Inst., Tokai, Ibaraki
Description
The spherical-deformed phase transition in nuclei is described in terms of the proton-neutron sdg interacting boson model. The sdg hamiltonian is introduced to model the pairing + quadrupole interaction. The phase transition is reproduced in this framework as a function of the boson number in the Sm isotopes, while all parameters in the hamiltonian are kept constant at values reasonable from the shell-model point of view. The sd IBM is derived from this model through the renormalization of g-boson effects. (orig.)
Additional details
Publishing Information
- Journal Title
- Physics Letters, (Section) B
- Journal Volume
- 215
- Journal Issue
- 2
- Series
- Phys. Lett., B.
- Journal Page Range
- 205-210
- ISSN
- 0370-2693
- CODEN
- PYLBA
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 20021087
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS; S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- D STATES; EFFECTIVE CHARGE; E2-TRANSITIONS; G STATES; HAMILTONIANS; INTERACTING BOSON MODEL; NEUTRON SEPARATION ENERGY; NUCLEAR DEFORMATION; NUCLEAR ELECTRIC MOMENTS; NUCLEAR STRUCTURE; PAIRING INTERACTIONS; PHASE TRANSFORMATIONS; PROTON-NEUTRON INTERACTIONS; QUADRUPOLE MOMENTS; RENORMALIZATION; ROTATIONAL STATES; S STATES; SAMARIUM ISOTOPES; SAMARIUM 146; SAMARIUM 148; SAMARIUM 150; SAMARIUM 152; SAMARIUM 154; SAMARIUM 156; SAMARIUM 158; THEORETICAL DATA
- Descriptors DEC
- ALPHA DECAY RADIOISOTOPES; BARYON-BARYON INTERACTIONS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; BINDING ENERGY; DATA; DEFORMATION; ELECTRIC MOMENTS; ENERGY; ENERGY LEVELS; ENERGY-LEVEL TRANSITIONS; EVEN-EVEN NUCLEI; EXCITED STATES; HADRON-HADRON INTERACTIONS; HOURS LIVING RADIOISOTOPES; INFORMATION; INTERACTIONS; INTERMEDIATE MASS NUCLEI; ISOTOPES; MATHEMATICAL MODELS; MATHEMATICAL OPERATORS; MINUTES LIVING RADIOISOTOPES; MULTIPOLE TRANSITIONS; NUCLEAR MODELS; NUCLEAR PROPERTIES; NUCLEI; NUCLEON-NUCLEON INTERACTIONS; NUMERICAL DATA; PARTICLE INTERACTIONS; PROTON-NUCLEON INTERACTIONS; QUANTUM OPERATORS; RADIOISOTOPES; RARE EARTH NUCLEI; SHELL MODELS; STABLE ISOTOPES; YEARS LIVING RADIOISOTOPES