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Giant monopole resonance and symmetry energy

文献类型：期刊论文

作者Liang Jun; Ma Zhong-Yu
刊名HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
出版日期2007-05-01
卷号31页码:470-474
关键词giant monopole resonances relativistic random phase approximation symmetry energy isoscalar and isovector non-linear coupling
ISSN号0254-3052
英文摘要Nuclear matter incompressibility is discussed by the monopole compression modes in nuclei in the framework of a fully consistent relativistic random phase approximation, based on effective Lagrangians with a mixed isoscalar-isovector nonlinear coupling term. A predicted value of the matter incompressibility coefficient is given by comparison between experimental and calculated energies of the isoscalar giant monopole resonance (ISGMR) in nuclei (208)Pb, (144)SM (116)Sn and (90)Zr. The new isoscalar-isovector nonlinear coupling softens the nuclear matter symmetry energy without ruining the agreement with experimentally existing ground state properties. The effect of the softening of the symmetry energy on the ISGMR is discussed.
WOS关键词MEAN-FIELD THEORY ; RANDOM-PHASE-APPROXIMATION ; NUCLEAR-MATTER ; COMPRESSIBILITY ; PARAMETRIZATION ; DENSITY ; STATE ; MODEL
WOS研究方向Physics
语种英语
WOS记录号WOS:000246078700010
出版者SCIENCE PRESS
源URL[http://119.78.100.186/handle/113462/27524]  
专题中国科学院近代物理研究所
通讯作者Liang Jun
作者单位1.China Inst Atom Energy, Beijing 102413, Peoples R China
2.Taiyuan Univ Technol, Dept Phys, Taiyuan 030024, Peoples R China
3.Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714		 Liang Jun,Ma Zhong-Yu. Giant monopole resonance and symmetry energy[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2007,31:470-474.
APA Liang Jun,&Ma Zhong-Yu.(2007).Giant monopole resonance and symmetry energy.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,31,470-474.
MLA Liang Jun,et al."Giant monopole resonance and symmetry energy".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 31(2007):470-474.

入库方式： OAI收割

来源：近代物理研究所

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