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Correction of Abrasion-ablation Model at Intermediate Energies with Nucleon Density Distributions in Nucleus
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《近代物理研究所和兰州重离子加速器实验室年报:英文版》 1999年第1期9-9,共1页
关键词 中能abrasion-ablation模型 核子 密度分布 修正 原子核
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中能Abrasion-Ablation模型的核内核子密度分布修正
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作者 胡佩钢 吴和宇 +7 位作者 靳根明 李祖玉 贺智勇 符彦飚 王宏伟 段利敏 张保国 戴光曦 《高能物理与核物理》 EI CSCD 北大核心 2000年第7期662-666,共5页
将具体的核内核子 (包括中子、质子 )密度分布引入到中能Abrasion -Ab lation模型中 ,用修正后的模型计算了 30MeV/u  4 0 Ar +natAg反应中的弹核碎裂过程 .结果表明 ,在非常周边的碰撞中 ,修正后的模型计算的碎片截面与修正前的计算... 将具体的核内核子 (包括中子、质子 )密度分布引入到中能Abrasion -Ab lation模型中 ,用修正后的模型计算了 30MeV/u  4 0 Ar +natAg反应中的弹核碎裂过程 .结果表明 ,在非常周边的碰撞中 ,修正后的模型计算的碎片截面与修正前的计算相比有明显的差别 ,反映了核密度边缘弥散的影响 .与实验结果的比较验证了中能弹核碎裂碎片能量相对于束流能量的降低是由摩擦作用引起的 . 展开更多
关键词 abrasion-ablation模型 核子密度分布 弹核碎裂
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Study of Isotopic Distribution of the Projectile-like Fragments Produced in the ^(17,18)N + ^(197)Au Reactions at 33 MeV/u
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作者 李湘庆 华辉 +1 位作者 江栋兴 叶沿林 《Plasma Science and Technology》 SCIE EI CAS CSCD 2012年第6期455-459,共5页
The experimental data of the isotopic distribution for projectile-like fragments are presented for the 17,18N + 197Au reaction at 33 MeV/u. The width of the isotopic distributions for lSN projectile is significantly ... The experimental data of the isotopic distribution for projectile-like fragments are presented for the 17,18N + 197Au reaction at 33 MeV/u. The width of the isotopic distributions for lSN projectile is significantly broader than that for 17N projectile, and the average N/Z ratio of the former shifts to higher neutron number side. As long as the realistic nucleon density distribution is used, the isotopic distribution for fragments is reproduced by the simple abrasion-ablation model calculation, which thus provides an independent way to determine the surface distribution of the nuclear matter density for neutron-rich nuclei. 展开更多
关键词 projectile fragmentation isotopic distribution nucleon density distribution neutron-rich nucleus statistical abrasion-ablation model
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Fragmentation of stable and neutron-rich ^(12-16)C into boron fragments at approximately 240 MeV/nucleon
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作者 Shu-Ya Jin Ya-Zhou Sun +13 位作者 Shi-Tao Wang Zhi-Yu Sun Xue-Heng Zhang Zhi-Qiang Chen Bo Mei Yi-Xuan Zhao Shu-Wen Tang Yu-Hong Yu Duo Yan Fang Fang Yong-Jie Zhang Shao-bo Ma Xiang-Man Liu Rui Han 《Chinese Physics C》 SCIE CAS CSCD 2022年第1期118-123,共6页
The elemental fragmentation cross sections of boron fragments produced by stable and neutron-rich^(12-16)C beams with a carbon target were systematically measured at an incident beam energy of approximately 240 MeV/nu... The elemental fragmentation cross sections of boron fragments produced by stable and neutron-rich^(12-16)C beams with a carbon target were systematically measured at an incident beam energy of approximately 240 MeV/nucleon.The measured cross sections were found to increase as the projectile mass number increases.The observed feature is explained qualitatively based on the abrasion-ablation two-stage reaction model and is compared quantitatively with predictions from various reaction models,including empirical and statistical models.All models agree with the measured cross sections within a factor of 2. 展开更多
关键词 elemental fragmentation cross sections neutron-rich carbon isotopes abrasion-ablation model
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