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K^- Nucleus Elastic Scattering and Momentum-Dependent Optical Potentials

K? Nucleus Elastic Scattering and Momentum-Dependent Optical Potentials
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摘要 The K-nucleus differential elastic scattering cross section for 12C and 40 Ca at pκ = 800 Me V/c is calculated with three momentum-dependent optical potential models,which are density-dependent,relativistic mean field,and hybrid model,respectively.It is found that the forms of momentum-dependent optical potential models proposed by us are reasonable and gain success in the calculations and the momentum-dependent hybrid model is the best model for the K- nucleus elastic scattering. The K<SUP>?</SUP> nucleus differential elastic scattering cross section for <SUP>12</SUP>C and <SUP>40</SUP>Ca at is calculated with three momentum-dependent optical potential models, which are density-dependent, relativistic mean field, and hybrid model, respectively. It is found that the forms of momentum-dependent optical potential models proposed by us are reasonable and gain success in the calculations and the momentum-dependent hybrid model is the best model for the K<SUP>?</SUP> nucleus elastic scattering.
机构地区 InstituteofPhysics
出处 《Communications in Theoretical Physics》 SCIE CAS CSCD 2004年第4期573-578,共6页 理论物理通讯(英文版)
基金 国家自然科学基金,高等学校博士学科点专项科研项目
关键词 弹性散射截面 k介子-核子物理学 动量相关光学势 粒子物理学 拉格朗日密度 反k介子场 differential elastic scattering cross section momentum-dependent optical potential relativistic mean field
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参考文献10

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