Development of large-area quadrant silicon detector fo... CNKI文献
The quadrant silicon detector, a kind of passivated implanted planar silicon detector with quadrant structure on the junction side, gained its wide application in charged particle detection. In this ...
包鹏飞 林承键... 《Chinese Physics C》 2014年12期 期刊
关键词: quadrant / silicon / detector / passivated
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由于受到放射性束强度弱、品质差的限制,奇特核体系的光学势性质一直是亟待解决的国际难题。本工作利用稳定束的转移反应作为探针,深入研究了反应出射道奇特核体系的光学势性质。利用中国原子能科学研究院的HI-13串列...
利用背角准弹散射的方法开展了近库仑势垒(近垒)能区重离子核反应机制的研究。高精度测量了深垒下能区~(16)O+~(152,154)Sm、~(184)W、~(196)Pt和~(208)Pb等体系的背角准弹散射激发函数,用耦合道计算抽取了核势的表面...
~(20)Mg β衰变谱学与~(15)O(α,γ)~(19)Ne反应(英文) CNKI文献
~(15)O(α,γ)~(19)Ne(p,γ)~(20)Na反应链是高温CNO循环向快速质子俘获过程突破的一条关键路径,相关的反应率输入量可通过~(20)Mg的β衰变可布居~(19)Ne共振态并测量其衰变性质来获得。通过高效率高精度地测量~(20)M...
替代反应法测量锕系核(n,f)和(n,xn)截面 CNKI文献
对于某些中子反应截面,在直接测量上存在困难。为了获得那些对核能发展极其重要的核数据,人们提出替代反应法,即利用带电粒子代替中子进行反应,从而实现中子反应截面间接测量的方法。现有替代反应一般采用非弹激发、转...
Test of the notch technique for determining the radial... CNKI文献
Detailed investigations on the notch technique are performed on ideal data generated by the optical model potential parameters extracted from the16O+208Pb system at the laboratory energy of 129.5 Me ...
Proton and Two-proton Emissions from Proton-rich Nucle... CNKI文献
Proton(p) and two-proton(2p) emissions from the proton-rich nuclei with 10≤Z≤20 have been explored by the in-fight decay and implantation decay methods, respectively, in a series of experiments at ...
林承键 徐新星... 《原子核物理评论》 2016年02期 期刊
关键词: proton / emission / two-proton / emission
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近垒及垒下能区~(28)Si+~(174)Yb体系的裂变碎片质量分布 CNKI文献
使用两块大面积平行板雪崩计数器,测量了近垒及垒下~(28)Si+~(174)Yb熔合裂变碎片质量-角度关联分布及质量分布。质量-角度二维图显示在该反应能量区间内并没有发现明显的准裂变成分。运用单高斯曲线拟合了裂变碎片的...
A multilayer △E-E_R telescope for breakup reactions a... CNKI文献
The breakup reactions of weakly-bound nuclei at energies around the Coulomb barrier and the corresponding coupling effect on the other reaction channels are hot topics nowadays.To overcome the diffic...
马南茹 林承键... 《Chinese Physics C》 2016年11期 期刊
关键词: breakup / reaction / weakly-bound / nuclei
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Effect of positive Q-value neutron transfers on sub-ba... CNKI文献
The role of positive Q-value neutron transfers in sub-barrier fusion reactions has been studied with a modified quantum coupled channels model with all order couplings(CCFULL model). Neutron rearrang...
温培威 冯兆庆... 《Chinese Physics C》 2017年06期 期刊
关键词: sub-barrier / fusion / CCFULL / model
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Cluster decay of the high-lying excited states in ~(14... CNKI文献
A cluster-transfer experiment of ~9Be(~9Be,~(14)C→α+~(10)Be)α at an incident energy of 45 MeV was carried out in order to investigate the molecular structure in high-lying resonant states in ~(14)...
田正阳 叶沿林... 《Chinese Physics C》 2016年11期 期刊
关键词: transfer / reaction / high-lying / excited
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实验测量了11B(d,p)和12C(d,p)反应中12B和13C几个感兴趣的核态角分布, 分别用DWBA方法和ANC方法从角分布数据中抽取了各核态外层中子的密度 分布、RMS半径以及外层核子的贡献等,对这两种方法...
~(16)O+~(197)Au准弹性散射实验对硅条探测器定位刻度 CNKI文献
本实验利用101 MeV和59 MeV的16O轰击197Au靶对实验中的硅条探测器位置进行了刻度。利用反应产生的准弹散射粒子16O得到在两个能量下此系统的准弹散射角分布,通过对角分布的分析,观察到实验角分布数据合理,符合重离子...
依据实验事实 ,利用单粒子势模型 ,计算了一些核态外层价核子的密度分布 .计算给出了价核子在核外部分布的概率和贡献 ,以此作为晕核态的判断标准 .通过研究均方根半径随结合能变化的规律 ,指出了晕核态存在的条件 ,尤...
Positive Q-Value Neutron Transfer Mediated Sub-Barrier... CNKI文献
Positive Q-value neutron transfer mediated sub-barrier fusion reactions are studied with an empirical coupled channels model, which takes into account neutron rearrangement related only to the dynami...
An Implantation and Detection System for Spectroscopy ... CNKI文献
A new decay detection system with high detection efficiency and low detection threshold has been developed for charged-particle decay studies, including β-delayed proton, α decay or direct proton e...
Experimental Study of Beta-Delayed Proton Emission of ... CNKI文献
The investigation of beta-delayed proton decay mode has become a powerful probe to study the proton-rich nuclei and their nuclear structure.To study exotic nuclei with extremely low purity produced b...
孙立杰 林承键... 《Chinese Physics Letters》 2015年01期 期刊
关键词: Experimental / Study / of / Beta-Delayed
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Self-consistent analysis of sub-barrier fusion enhance... CNKI文献
The fusion dynamic mechanism of heavy ions at energies near the Coulomb barrier is complicated and still not very clear up to now.Accordingly,a self-consistent method based on the CCFULL calculations...
马南茹 贾会明... 《Chinese Physics C》 2016年11期 期刊
关键词: sub-barrier / fusion / enhancement / coupled-channels
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用双折叠模型计算了核核碰撞的相互作用势,其中核子-核子相互作用势采用M3Y-Reid和M3Y-Paris形式,交换部分考虑了有限力程的密度依赖的核子-核子相互作用,程序用于重离子散射光学势实部的计算.回顾了折叠模型的普遍特...