Isoscalar giant resonances in 48Ca

被引：47
|
作者：
Lui, Y. -W. [1 ]
Youngblood, D. H. [1 ]
Shlomo, S. [1 ]
Chen, X. [1 ]
Tokimoto, Y. [1 ]
Krishichayan [1 ]
Anders, M. [1 ]
Button, J. [1 ]
机构：
[1] Texas A&M Univ, Inst Cyclotron, College Stn, TX 77843 USA
来源：
PHYSICAL REVIEW C | 2011年 / 83卷 / 04期
关键词：
NUCLEAR-MATTER; MONOPOLE RESONANCE; SUM-RULES; INCOMPRESSIBILITY; STRENGTH; SCATTERING; COMPRESSIBILITY; STATES;
D O I：
10.1103/PhysRevC.83.044327
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 giant resonance region from 9.5 MeV < E-x < 40 MeV in Ca-48 has been studied with inelastic scattering of 240-MeV alpha particles at small angles, including 0 degrees. 95(-15)(+11)% of E0 energy-weighted sum rule (EWSR), 83(-16)(+10)% of E2 EWSR, and 137 +/- 20% of E1 EWSR were located below E-x = 40 MeV. A comparison of the experimental data with calculated results for the isoscalar giant monopole resonance, obtained within the mean-field-based random-phase approximation, is also given.
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页数：11
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