Local deviations from the Grodzins systematics: Enhanced collectivity in the transitional Ra-Th nuclei
Abstract
Local deviations from the Grodzins systematics for the product E(2/sup +/)B(E2) are observed in several light Ra-Th nuclei. We note an abrupt increase to 5.5% of the isoscalar E2 energy-weighted sum rule, almost a factor of 2 above the value typically found near shell closures and equal to the value found in the very deformed actinides. This indicates mixing of a low-lying deformed state into the ground state of the light Ra-Th nuclei, as expected for a low-lying cluster state. Evidence for mixing of a deformed state is also present in the rms radii and binding energies of these nuclei.
- Authors:
- Publication Date:
- Research Org.:
- A. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06511
- OSTI Identifier:
- 6699280
- Resource Type:
- Journal Article
- Journal Name:
- Phys. Rev. Lett.; (United States)
- Additional Journal Information:
- Journal Volume: 61:21
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; LEAD ISOTOPES; ENERGY-LEVEL TRANSITIONS; MERCURY ISOTOPES; PLATINUM ISOTOPES; PLUTONIUM ISOTOPES; POLONIUM ISOTOPES; RADIUM ISOTOPES; RADON ISOTOPES; THORIUM ISOTOPES; URANIUM ISOTOPES; BINDING ENERGY; CLUSTER MODEL; E1-TRANSITIONS; E2-TRANSITIONS; NUCLEAR DEFORMATION; NUCLEAR RADII; ACTINIDE ISOTOPES; ALKALINE EARTH ISOTOPES; DEFORMATION; ENERGY; ISOTOPES; MATHEMATICAL MODELS; MULTIPOLE TRANSITIONS; NUCLEAR MODELS; NUCLEAR PROPERTIES; 652020* - Nuclear Properties & Reactions, A=220 & above, Experimental
Citation Formats
Gai, M. Local deviations from the Grodzins systematics: Enhanced collectivity in the transitional Ra-Th nuclei. United States: N. p., 1988.
Web. doi:10.1103/PhysRevLett.61.2424.
Gai, M. Local deviations from the Grodzins systematics: Enhanced collectivity in the transitional Ra-Th nuclei. United States. https://doi.org/10.1103/PhysRevLett.61.2424
Gai, M. 1988.
"Local deviations from the Grodzins systematics: Enhanced collectivity in the transitional Ra-Th nuclei". United States. https://doi.org/10.1103/PhysRevLett.61.2424.
@article{osti_6699280,
title = {Local deviations from the Grodzins systematics: Enhanced collectivity in the transitional Ra-Th nuclei},
author = {Gai, M},
abstractNote = {Local deviations from the Grodzins systematics for the product E(2/sup +/)B(E2) are observed in several light Ra-Th nuclei. We note an abrupt increase to 5.5% of the isoscalar E2 energy-weighted sum rule, almost a factor of 2 above the value typically found near shell closures and equal to the value found in the very deformed actinides. This indicates mixing of a low-lying deformed state into the ground state of the light Ra-Th nuclei, as expected for a low-lying cluster state. Evidence for mixing of a deformed state is also present in the rms radii and binding energies of these nuclei.},
doi = {10.1103/PhysRevLett.61.2424},
url = {https://www.osti.gov/biblio/6699280},
journal = {Phys. Rev. Lett.; (United States)},
number = ,
volume = 61:21,
place = {United States},
year = {Mon Nov 21 00:00:00 EST 1988},
month = {Mon Nov 21 00:00:00 EST 1988}
}
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