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Chinese Physics C> 2001, Vol. 25> Issue(9) : 834-838 

Measurement of Products in 17N Breakup Reaction

  •  Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China1 Department of Technical Physics, Peking University, Beijing 100871, China

  • The breakup reaction of neutron rich nucleus 17N on 197Au and 9Be targets has been measured at RIBLL (Radioactive Ion Beam Line at Lanzhou). The product yields and the cross sections of charged particles in pair at forward angles were measured with the 14-unit detector array. The detection efficiency of the detector system was corrected by using Monte Carlo method. The breakup cross sections show that the ratio of the breakup cross section on 197Au to 9Be is 4—5. The cross sections of different breakup channels were also obtained. The results indicate that for a heavy target, except the contribution of nuclear dissociation, the Coulomb dissociation contribution has to be taken into account.
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    [1] . ZHAN Wen-Long,GUO Zhong-Yan,LIU Guan-Hua et al.Science In China,1999,A29(1):77—84(in Chinese)(詹文龙,郭忠言,刘冠华等.中国科学,1999,A29(1):77—84)2. GUO Zhong-Yan,ZHAN Wen-Long,SUN Zhi-Yu et al.High Energy Phys.and Nucl.Phys.1999,23(3):237—243(in Chinese)(郭忠言,詹文龙,孙志宇等.高能物理与核物理,1999,23(3):237—243)3. Basic Science in RI Beam Factory.RIKEN .19944. The Spiral Radioactive Ion Beam Facility.GANIL .R9402 5. Anne R ,Bimbot R ,Dongny S et al.Nucl.Phys.,1994,A575:125 6. ShyamR ,BanerjeeP .Nucl.Phys.,1992,A540:3417. HUA Hui,JIANG Dong-Xing,LI Xiang-Qing et al.High Energy Phys.and Nucl.Phys.,2000,24(6):512—517(inChi nese)(华辉,江栋兴,李湘庆等.高能物理与核物理,2000,24(6):512—517)8. HUA Hui,JIANG Dong-Xing,LI Xiang-Qing et al.Chin.Phys.Lett.,2000,17(3):188—1909. HUA Hui.Doctor Thesis.Beijing University.1999(in Chinese)(华辉,博士论文.北京大学.1999)

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WANG Hong-Wei, WU He-Yu, XIAO Zhi-Gang, JIN Gen-Ming, DUAN Li-Min, LI Zu-Yu, ZHANG Bao-Guo, WANG Su-Fang, HU Pei-Gang, LIU Yong-Ying, ZHAN Wen-Long, GUO Zhong-Yan, JIANG Dong-Xing, HUA Hui, LI Xiang-Qing and QIAN Tao. Measurement of Products in 17N Breakup Reaction[J]. Chinese Physics C, 2001, 25(9): 834-838.
WANG Hong-Wei, WU He-Yu, XIAO Zhi-Gang, JIN Gen-Ming, DUAN Li-Min, LI Zu-Yu, ZHANG Bao-Guo, WANG Su-Fang, HU Pei-Gang, LIU Yong-Ying, ZHAN Wen-Long, GUO Zhong-Yan, JIANG Dong-Xing, HUA Hui, LI Xiang-Qing and QIAN Tao. Measurement of Products in 17N Breakup Reaction[J]. Chinese Physics C, 2001, 25(9): 834-838. shu
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Received: 2000-09-04
Revised: 1900-01-01
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Measurement of Products in 17N Breakup Reaction

    Corresponding author: WANG Hong-Wei,
  • Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China1 Department of Technical Physics, Peking University, Beijing 100871, China
  • Received Date: 2000-09-04
  • Accepted Date: 1900-01-01
  • Available Online: 2001-09-05

Abstract: The breakup reaction of neutron rich nucleus 17N on 197Au and 9Be targets has been measured at RIBLL (Radioactive Ion Beam Line at Lanzhou). The product yields and the cross sections of charged particles in pair at forward angles were measured with the 14-unit detector array. The detection efficiency of the detector system was corrected by using Monte Carlo method. The breakup cross sections show that the ratio of the breakup cross section on 197Au to 9Be is 4—5. The cross sections of different breakup channels were also obtained. The results indicate that for a heavy target, except the contribution of nuclear dissociation, the Coulomb dissociation contribution has to be taken into account.

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