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Volume 34 Issue 3
Jul.  2017
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Article Navigation >  Nuclear Physics Review  > 2017  >  34(3): 534-538

WANG Dongxi, LIN Chengjian, JIA Huiming, YANG Feng, XU Xinxing, YANG Lei, MA Nanru, SUN Lijie, BAO Pengfei, ZHANG Huanqiao, LIU Zuhua. Research of Fission Fragment Mass Distribution for 28Si+174Yb at Energies near the Coulomb Barrier[J]. Nuclear Physics Review, 2017, 34(3): 534-538. doi: 10.11804/NuclPhysRev.34.03.534
Citation: WANG Dongxi, LIN Chengjian, JIA Huiming, YANG Feng, XU Xinxing, YANG Lei, MA Nanru, SUN Lijie, BAO Pengfei, ZHANG Huanqiao, LIU Zuhua. Research of Fission Fragment Mass Distribution for 28Si+174Yb at Energies near the Coulomb Barrier[J]. Nuclear Physics Review, 2017, 34(3): 534-538. doi: 10.11804/NuclPhysRev.34.03.534
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Research of Fission Fragment Mass Distribution for 28Si+174Yb at Energies near the Coulomb Barrier

doi: 10.11804/NuclPhysRev.34.03.534

  • China Institute of Atomic Energy, Beijing 102413, China

Funds:  National Basic Research Program of China(2013CB834404); National Natural Science Foundation of China(11375268,11475263,U1432246,U1432127,11505293,11635015)
More Information
  • Corresponding author: 10.11804/NuclPhysRev.34.03.534
  • Received Date: 2016-12-07
  • Rev Recd Date: 2017-03-27
  • Publish Date: 2017-07-18
  • In order to study the fission mechanism, the mass distributions and mass-angle distributions of the fission fragments for 28Si+174Yb were measured near the Coulomb barrier. The mass-angle correlations do not indicate any possible quasi-fission events in this bombarding energy range. The mass distributions were fitted by the single Gaussian distribution and then the mass widths were extracted. At above-barrier energies, the mass widths were found to increase with the energy. However, the mass widths show slight increase with decreasing energy below the barrier. Additionally, the mass widths can not be reproduced in the framework of the saddle statistic model with the given parameter, so further study is still needed.
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Research of Fission Fragment Mass Distribution for 28Si+174Yb at Energies near the Coulomb Barrier

doi: 10.11804/NuclPhysRev.34.03.534
  • China Institute of Atomic Energy, Beijing 102413, China
Funds:  National Basic Research Program of China(2013CB834404); National Natural Science Foundation of China(11375268,11475263,U1432246,U1432127,11505293,11635015)
    Corresponding author: 10.11804/NuclPhysRev.34.03.534
  • Received Date: 2016-12-07
  • Rev Recd Date: 2017-03-27
  • Publish Date: 2017-07-18

Abstract: In order to study the fission mechanism, the mass distributions and mass-angle distributions of the fission fragments for 28Si+174Yb were measured near the Coulomb barrier. The mass-angle correlations do not indicate any possible quasi-fission events in this bombarding energy range. The mass distributions were fitted by the single Gaussian distribution and then the mass widths were extracted. At above-barrier energies, the mass widths were found to increase with the energy. However, the mass widths show slight increase with decreasing energy below the barrier. Additionally, the mass widths can not be reproduced in the framework of the saddle statistic model with the given parameter, so further study is still needed.

WANG Dongxi, LIN Chengjian, JIA Huiming, YANG Feng, XU Xinxing, YANG Lei, MA Nanru, SUN Lijie, BAO Pengfei, ZHANG Huanqiao, LIU Zuhua. Research of Fission Fragment Mass Distribution for 28Si+174Yb at Energies near the Coulomb Barrier[J]. Nuclear Physics Review, 2017, 34(3): 534-538. doi: 10.11804/NuclPhysRev.34.03.534
Citation: WANG Dongxi, LIN Chengjian, JIA Huiming, YANG Feng, XU Xinxing, YANG Lei, MA Nanru, SUN Lijie, BAO Pengfei, ZHANG Huanqiao, LIU Zuhua. Research of Fission Fragment Mass Distribution for 28Si+174Yb at Energies near the Coulomb Barrier[J]. Nuclear Physics Review, 2017, 34(3): 534-538. doi: 10.11804/NuclPhysRev.34.03.534
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