Measurement of Products in <SUP>17</SUP>N Breakup Reaction

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; QIAN Tao

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

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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.

References

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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.

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Received: 2000-09-04
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

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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Measurement of Products in ¹⁷N Breakup Reaction

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Measurement of Products in 17N Breakup Reaction

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Measurement of Products in 17N Breakup Reaction

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Measurement of Products in ¹⁷N Breakup Reaction

Measurement of Products in ¹⁷N Breakup Reaction