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Isotopic Dependence of the Giant Monopole Resonance in the Even-A {sup 112-124}Sn Isotopes and the Asymmetry Term in Nuclear Incompressibility

Journal Article · · Physical Review Letters
; ; ; ; ;  [1]; ; ; ; ; ;  [2]; ; ; ;  [3];  [4];  [5];  [6];  [7]
  1. Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556 (United States)
  2. Research Center for Nuclear Physics, Osaka University, Osaka 567-0047 (Japan)
  3. Cyclotron and Radioisotope Center, Tohuku University, Sendai 980-8578 (Japan)
  4. Department of Physics, Tokyo Institute of Technology, Tokyo 152-8850 (Japan)
  5. Center for Nuclear Study, University of Tokyo, Tokyo 113-0033 (Japan)
  6. Department of Physics, Konan University, Kobe 658-8501 (Japan)
  7. Department of Physics, Kyoto University, Kyoto 606-8502 (Japan)
+ Show Author Affiliations
The strength distributions of the giant monopole resonance (GMR) have been measured in the even-A Sn isotopes (A=112-124) with inelastic scattering of 400-MeV {alpha} particles in the angular range 0 deg. - 8.5 deg. We find that the experimentally observed GMR energies of the Sn isotopes are lower than the values predicted by theoretical calculations that reproduce the GMR energies in {sup 208}Pb and {sup 90}Zr very well. From the GMR data, a value of K{sub {tau}}=-550{+-}100 MeV is obtained for the asymmetry term in the nuclear incompressibility.
OSTI ID:
21024317
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 16 Vol. 99; ISSN 0031-9007; ISSN PRLTAO
Country of Publication:
United States
Language:
English

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Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALPHA PARTICLES
ASYMMETRY
INELASTIC SCATTERING
LEAD 208
MEV RANGE 100-1000
MONOPOLES
TIN 112
TIN 114
TIN 116
TIN 118
TIN 120
TIN 122
TIN 124
ZIRCONIUM 90