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Title: Evidence of Soft Dipole Resonance in 11Li with Isoscalar Character

The first conclusive evidence of a dipole resonance in 11Li having isoscalar character observed from inelastic scattering with a novel solid deuteron target is reported. The experiment was performed at the newly commissioned IRIS facility at TRIUMF. The results show a resonance peak at an excitation energy of 1.03±0.03 MeV with a width of 0.51±0.11 MeV (FWHM). The angular distribution is consistent with a dipole excitation in the distorted-wave Born approximation framework. The observed resonance energy together with shell model calculations show the first signature that the monopole tensor interaction is important in 11Li. The first ab initio calculations in the coupled cluster framework are also included.
Authors:
 [1] ;  [2] ;  [3] ;  [4] ;  [5] ;  [6] ;  [7] ;  [8] ;  [9] ;  [10] ;  [9] ;  [9] ;  [11] ;  [9] ;  [9] ;  [12] ;  [9] ;  [12] ;  [13] ;  [11] more »;  [14] ;  [9] ;  [10] ;  [9] ;  [15] ;  [11] ;  [11] ;  [16] ;  [9] ;  [16] ;  [17] ;  [18] ;  [19] ;  [9] ;  [8] ;  [20] « less
  1. St. Marys University, Halifax, NS (Canada)
  2. St. Marys University, Halifax, NS (Canada); TRIUMF, Vancouver, BC (Canada)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  4. Osaka Univ. (Japan)
  5. High Energy Accelerator Research Organization (KEK), Tsukuba (Japan)
  6. Osaka Inst. of Technology, Osaka (Japan)
  7. Nihon Univ., Tokyo (Japan)
  8. Simon Fraser Univ., Burnaby, BC (Canada)
  9. TRIUMF, Vancouver, BC (Canada)
  10. McMaster Univ., Hamilton, ON (Canada)
  11. Saint Mary's Univ., Halifax, NS (Canada)
  12. Univ. of Guelph, ON (Canada)
  13. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
  14. TRIUMF, Vancouver, BC (Canada); Univ. of British Columbia, Vancouver, BC (Canada)
  15. Univ. of Tokyo (Japan)
  16. Centre National de la Recherche Scientifique (CNRS), Caen (France). Centre de Recherche sur les Ions, les Matériaux et la Photonique (CIMAP), Grand Accelerateur National d'Ions Lourds (GANIL)
  17. Univ. of Edinburgh, Scotland (United Kingdom)
  18. Osaka Univ. (Japan); Beihang Univ., Beijing (China)
  19. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  20. TRIUMF, Vancouver, BC (Canada); Simon Fraser Univ., Burnaby, BC (Canada)
Publication Date:
OSTI Identifier:
1265775
Grant/Contract Number:
AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 114; Journal Issue: 19; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Research Org:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS