Published April 2012 | Version v1
Journal article Metadata-only

Is the 7/21- isomer state of 43S spherical?

Creators

  • 1. CEA, DAM, DIF, F-91297 Arpajon, (France)
  • 2. RIKEN Nishina Ctr, Wako, Saitama 3510198, (Japan)
  • 3. Weizmann Inst Sci, Dept Particle Phys, IL-76100 Rehovot, (Israel)
  • 4. CERN PH IS, CH-1211 Geneva 23, (Switzerland)
  • 5. Univ Ghent, Ctr Mol Modeling, Dept Mat Sci and Engn, BE-9052 Zwijnaarde, (Belgium)
  • 6. Osaka Univ, Res Ctr Nucl Phys, Osaka 5670047, (Japan)
  • 7. Tokyo Inst Technol, Dept Phys, Meguro Ku, Tokyo 1528551, (Japan)
  • 8. Bulgarian Acad Sci, Inst Nucl Res and Nucl Energy, BU-1784 Sofia, (Bulgaria)
  • 9. Tokyo Metropolitan Univ, Dept Phys, Hachioji, Tokyo 1920397, (Japan)
  • 10. CNRS IN2P3, CSNSM, F-91405 Orsay, (France)
  • 11. K U Leuven, Inst Kern and Stralingsfys, B-3001 Louvain, (Belgium)
  • 12. Okayama Univ, Okayama 7008530, (Japan)

Description

We report on the spectroscopic quadrupole moment measurement of the 7/21- isomeric state in 4316S27 (E* = 320.5(5) keV, T1/2 = 415(3) ns), using the time dependent perturbed angular distribution technique at the RIKEN RIBF facility. Our value, Q(s) = 23(3) efm2, is larger than that expected for a single-particle state. Shell model calculations using the modern SDPF-U interaction for this mass region reproduce remarkably well the measured Q(s), and show that non-negligible correlations drive the isomeric state away from a purely spherical shape. (authors)

Availability note (English)

Available from doi: http://dx.doi.org/10.1103/PhysRevLett.108.162501

Additional details

Identifiers

DOI
10.1103/PhysRevLett.108.162501;

Publishing Information

Journal Title
Physical Review Letters
Journal Volume
108
Journal Issue
no.16
Journal Page Range
p. 162501.1-162501.5
ISSN
0031-9007

INIS

Country of Publication
United States
Country of Input or Organization
France
INIS RN
45111030
Subject category
S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
Descriptors DEI
ANGULAR DISTRIBUTION; CALCIUM 48 BEAMS; FRAGMENTATION; ISOMERIC NUCLEI; QUADRUPOLE MOMENTS; SHELL MODELS; SULFUR 43
Descriptors DEC
BEAMS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; DISTRIBUTION; EVEN-ODD NUCLEI; INTERMEDIATE MASS NUCLEI; ION BEAMS; ISOTOPES; MATHEMATICAL MODELS; NUCLEAR MODELS; NUCLEI; RADIOISOTOPES; SULFUR ISOTOPES

Optional Information

Notes
39 refs.