The ''other'' giant dipole resonance: Evidence for the isoscalar giant dipole resonance in Pb-208 from inelastic alpha scattering at 0 degrees

被引:0
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作者
Davis, BF
Akimune, H
Bacher, A
Berg, GPA
Foster, CC
Fujiwara, M
Garg, U
Harakeh, MN
Janecke, J
Lissanti, J
Pham, K
Reviol, W
Roberts, D
Stephenson, EJ
Wang, Y
机构
[1] RCNP,IBARAKI,OSAKA 567,JAPAN
[2] IUCF,BLOOMINGTON,IN 47405
[3] KERNFYS VERSNELLER INST,9747 AA GRONINGEN,NETHERLANDS
[4] UNIV MICHIGAN,DEPT PHYS,ANN ARBOR,MI 48109
[5] CENTENARY COLL LOUISIANA,DEPT PHYS,SHREVEPORT,LA 71134
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中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
The isoscalar giant dipole resonance (ISGDR) in Pb-208 has been investigated using inelastic scattering of 200 MeV alpha particles at and near 0 degrees where the angular distribution of the ISGDR can be clearly differentiated from other modes. The ''difference of spectra'' technique was employed to separate the contribution from the high-energy octupole resonance (HEOR). Preliminary angular distribution data provide clear evidence for the ISGDR adjacent to the HEOR.
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页码:C277 / C282
页数:6
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