Measurement of Neutron-Removal Cross Section of Neutron-Rich Nucleus <SUP>8</SUP>He by Using the Transmission Method

LI Chen; YE Yan-Lin; ZHAN Wen-Long; XIAO Guo-Qing; XU Hu-Shan; GUO Zhong-Yan; WANG Jian-Song; SUN Zhi-Yu; LI Jia-Xing; WANG Meng; CHEN Zhi-Qiang; JIANG Dong-Xing

Chinese Physics C> 2007, Vol. 31> Issue(1) : 52-55

Measurement of Neutron-Removal Cross Section of Neutron-Rich Nucleus ⁸He by Using the Transmission Method

Department of Technical Physics and the DOE Key Laboratory of Heavy Ion Physics,Peking University, Beijing 100871, China2 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

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The neutron-rich nucleus ⁸He is selected by RIBLL from the breakup of 50MeV/u ¹³C on be target at HIRFL. The 2n-removal and 4n-removal cross section of ⁸He was measured by using the transmission method. The point that ⁴He is ⁸He core can be reduced from the experiment data via the Ogawa's theory.

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. Tannihata I, Hamagaki H, Hashimoto O et al. Phys. Rev.Lett., 1985 , 55：26762. Tanihata I, Hirata D, Kobayashi T et al. Phys. Lett., 1992,B289: 2613. Chulkov L V, Aksouh F, Bleile A et al. Nuclear Physics,2005, A759: 43|634. ZHAN W L, GUO Z Y, LIU G H et al. Science in China,1999, A29(1): 77(in Chinese)(詹文龙, 郭忠言, 刘冠华等. 中国科学, 1999, A29(1): 77)5. ZHAN W L, GUO Z Y, LIU G H et al. Science in China(Series A), 1999, 42(5): 5286. Blank B, Gaimard J, Geissel H et al. Nucl. Phys., 1993,A555: 4087. Warner R E, Patty R A, Voyles P M et al. Phys. Rev.,1996, C54: 1700

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LI Chen, YE Yan-Lin, ZHAN Wen-Long, XIAO Guo-Qing, XU Hu-Shan, GUO Zhong-Yan, WANG Jian-Song, SUN Zhi-Yu, LI Jia-Xing, WANG Meng, CHEN Zhi-Qiang, JIANG Dong-Xing, Measurement of Neutron-Removal Cross Section of Neutron-Rich Nucleus ⁸He by Using the Transmission Method[J]. Chinese Physics C, 2007, 31(1): 52-55.

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Received: 2006-04-21
Revised: 2006-05-15

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Measurement of Neutron-Removal Cross Section of Neutron-Rich Nucleus ⁸He by Using the Transmission Method

Corresponding author: LI Chen,

Department of Technical Physics and the DOE Key Laboratory of Heavy Ion Physics,Peking University, Beijing 100871, China2 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Received Date: 2006-04-21

Accepted Date: 2006-05-15

Available Online: 2007-01-05

Abstract: The neutron-rich nucleus ⁸He is selected by RIBLL from the breakup of 50MeV/u ¹³C on be target at HIRFL. The 2n-removal and 4n-removal cross section of ⁸He was measured by using the transmission method. The point that ⁴He is ⁸He core can be reduced from the experiment data via the Ogawa's theory.

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Measurement of Neutron-Removal Cross Section of Neutron-Rich Nucleus ⁸He by Using the Transmission Method

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Measurement of Neutron-Removal Cross Section of Neutron-Rich Nucleus ⁸He by Using the Transmission Method

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Measurement of Neutron-Removal Cross Section of Neutron-Rich Nucleus 8He by Using the Transmission Method

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Measurement of Neutron-Removal Cross Section of Neutron-Rich Nucleus 8He by Using the Transmission Method

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Measurement of Neutron-Removal Cross Section of Neutron-Rich Nucleus ⁸He by Using the Transmission Method

Measurement of Neutron-Removal Cross Section of Neutron-Rich Nucleus ⁸He by Using the Transmission Method