The Experimental Study of Two-Neutron Correlation in <sup>8</sup>He<sup>+</sup>

XIAO Jun (肖军); YE Yanlin (叶沿林); You Haibo(游海波); YANG Zaihong (杨再宏); CAO Zhongxin(曹中鑫); JIANG Dongxing(江栋兴); ZHENG Tao(郑涛); HUA hui(华辉); Li Zhihuan(李智焕); GE Yucheng(葛俞成); et al

doi:10.1088/1009-0630/14/6/24

Plasma Science and Technology > 2012 > 14(6): 539-542. > DOI: 10.1088/1009-0630/14/6/24

XIAO Jun (肖军), YE Yanlin (叶沿林), You Haibo(游海波), YANG Zaihong (杨再宏), CAO Zhongxin(曹中鑫), JIANG Dongxing(江栋兴), ZHENG Tao(郑涛), HUA hui(华辉), Li Zhihuan(李智焕), GE Yucheng(葛俞成), et al. The Experimental Study of Two-Neutron Correlation in ⁸He⁺[J]. Plasma Science and Technology, 2012, 14(6): 539-542. DOI: 10.1088/1009-0630/14/6/24

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The Experimental Study of Two-Neutron Correlation in ⁸He⁺

School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China

Funds: supported by the National Basic Research Program of China (Grant No. 2007CB815002) and the National Natural Science Foundation of China (Grant No.11035001,10775003, 10827505,10821140159)

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Received Date: May 16, 2011

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Abstract

Abstract

A neutron detector array was used in a breakup reaction experiment at RIKEN with an 82.5 MeV/u ⁸He beam impinging on the _CH2 and C targets. The array was calibrated using the cosmic ray, the γ ray from the ⁶He+Pb reaction and the mono-energetic neutrons from the ⁷Li(p,n)⁷Be(g.s.+0.43 MeV) reaction. The position resolution, timing resolution and neutron detection efficiency were obtained accordingly. Cross-talk rejection conditions were developed based on analysis of the data taken from the ⁷Li(p,n)⁷Be(g.s.+0.43 MeV) test experiment, and finally a preliminary two-neutron correlation function for the ⁸He breakup reaction was investigated.
- ⁸He,
- neutron,
- cross-talk,
- two-neutron correlation

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