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Proton Spectroscopic Factors Deduced from Helium-3 Global Phenomenological and Microscopic optical Model Potentials

Chinese Physics Letters 2014年第9期31卷 36-39页

作者：李晓菁庞丹阳韩银录曾敏儿 RIKEN Nishina Center Saitama 351-0198 Japan National Superconducting Cyclotron Laboratory and Department o-f Physics and Astronomy Michigan State University Michigan 48824 USA School of Physics and nuclear Energy Engineering Beihang University Beijing 100191 International Research Center for Nuclei and-i3articles in the Cosmos Beihang University Beijing 100191 China Institute of Atomic Energy Beijing 102413

Global phenomenological GDP08 and microscopic hefium-3 optical model potentials have been recently derived. We evaluate these two potential sets by comparing the elastic scattering data of 25 MeV 3He on 160, 180, 19F, 23Na, 24Mg, 25Mg, 26Mg, 27A1, 28Si, 30Si, 31p, 32S, 34S, 35Cl, 3761, and 39K isotopes. Using the deuteron angular distributions calculated with the distorted wave Born approximation model, we extract the ground-state proton spectroscopic factors from （3He, d） reactions on the same set of nuclei. The extracted proton spectroscopic factors are compared with the large-basis shell-model calculations.

关键词： PROTONS -- Scattering RESEARCH ELASTIC scattering BORN approximation HELIUM nuclear optical models GROUND state (Quantum mechanics)

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Notch Test for Radial Sensitivity on Neutron Density Distribution in ^48Ca Probed by α-Particle Elastic Scattering

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Chinese Physics Letters 2014年第5期31卷 38-41页

作者：张小富庞丹阳 School of Physics and nuclear Energy Engineering Beihang University Beijing 100191 International Research Center for Nuclei and Particles in the Cosmos Beihang University Beijing 100191

Notch tests are made to study the sensitive regions in the neutron density distribution in the ground state of^48 Ca probed by the angular distributions of differential cross sections of α-particle elastic scattering at 104 MeV with optical model potentials calculated by using a systematic single-folding model. An improved notch scheme is proposed, which perturbs the neutron density distribution of the target nucleus locally. Results of the notch tests show that the angular distribution of differential cross sections for α particle elastic scattering at 104 MeV only probe the surface of the neutron density distribution in ^48Ca.

关键词： NEUTRON density CALCIUM RESEARCH ELASTIC scattering GROUND state (Quantum mechanics) ANGULAR distribution (nuclear physics) nuclear optical models

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Elastic Scattering of 6He ＋ p at 82.3 MeV/nucleon

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Chinese Physics Letters 2010年第9期27卷 65-68页

作者： FAISAL Jamil-Qureshi 楼建玲叶沿林曹中鑫江栋兴郑涛华辉李智焕李湘庆葛愉成庞丹阳李奇特肖军吕林辉乔锐游海波陈瑞九卢飞 Sakurai H Otsu H Nishimura M Sakaguchi S Baba H Togano Y Yoneda K 李琛王硕王赫李阔昂 Nakamura T Nakayama Y Kondo Y Deguchi S Satou Y Tshoo K H School of Physics and State Key Laboratory of nuclear Physics and Technology Peking University Beijing 100871 RIKEN 2-1Hirosawa Wako Saitama 351-0198 Japan Institute of Modern Physics Chinese Academy of Sciences Lanzhou 730000 Department of Physics Tokyo Institute of Technology Japan School of Physics Seoul NationM University Korea

Differential cross sections for the elastic scattering of halo nucleus 6He on proton target were measured at 82.3 MeV/u. The experimental results axe well reproduced by optical model calculations using global potential KD02 with a reduction of the depth of real volume part by a factor of 0.7. A systematic analysis shows that this behavior might be related to the weakly bound property of unstable nuclei.

关键词： ELASTIC scattering PARTICLES (nuclear physics) DIFFERENTIAL cross sections nuclear optical models PROTONS nuclear physics POTENTIAL energy surfaces

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