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2024年10月30日
Chinese Physics C> 2017, Vol. 41> Issue(6) : 064102 DOI: 10.1088/1674-1137/41/6/064102

Effect of positive Q-value neutron transfers on sub-barrier fusion reactions

  • The role of positive Q-value neutron transfers in sub-barrier fusion reactions has been studied with a modified quantum coupled channels model with all order couplings (CCFULL model). Neutron rearrangement related only to the dynamical matching condition with no free parameters is implemented in the model, which provides a way to understand especially the Q-value dependence of sub-barrier fusion reactions. The fusion cross sections of the collision systems 40Ca+94, 96Zr have been calculated and analyzed. The general trend of experimental data can be reproduced well with additional channels for neutron rearrangement. We find that enhancement of sub-barrier fusion cross sections is closely related to the Q-value of the transferred neutrons, in particular for channels with sequential even number transferred neutrons.
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Pei-Wei Wen, Zhao-Qing Feng, Fan Zhang, Cheng Li, Cheng-Jian Lin and Feng-Shou Zhang. Effect of positive Q-value neutron transfers on sub-barrier fusion reactions[J]. Chinese Physics C, 2017, 41(6): 064102. doi: 10.1088/1674-1137/41/6/064102
Pei-Wei Wen, Zhao-Qing Feng, Fan Zhang, Cheng Li, Cheng-Jian Lin and Feng-Shou Zhang. Effect of positive Q-value neutron transfers on sub-barrier fusion reactions[J]. Chinese Physics C, 2017, 41(6): 064102.  doi: 10.1088/1674-1137/41/6/064102 shu
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Received: 2016-11-18
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    Supported by National Natural Science Foundation of China (11635003, 11025524, 11161130520, 11175218, U1332207) National Basic Research Program of China (2010CB832903) European Commission's 7th Framework Programme (Fp7-PEOPLE-2010-IRSES) Agreement Project (269131)}

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Effect of positive Q-value neutron transfers on sub-barrier fusion reactions

    Corresponding author: Feng-Shou Zhang,
  • Received Date: 2016-11-18
  • Available Online: 2017-06-05
Fund Project:  Supported by National Natural Science Foundation of China (11635003, 11025524, 11161130520, 11175218, U1332207) National Basic Research Program of China (2010CB832903) European Commission's 7th Framework Programme (Fp7-PEOPLE-2010-IRSES) Agreement Project (269131)}

Abstract: The role of positive Q-value neutron transfers in sub-barrier fusion reactions has been studied with a modified quantum coupled channels model with all order couplings (CCFULL model). Neutron rearrangement related only to the dynamical matching condition with no free parameters is implemented in the model, which provides a way to understand especially the Q-value dependence of sub-barrier fusion reactions. The fusion cross sections of the collision systems 40Ca+94, 96Zr have been calculated and analyzed. The general trend of experimental data can be reproduced well with additional channels for neutron rearrangement. We find that enhancement of sub-barrier fusion cross sections is closely related to the Q-value of the transferred neutrons, in particular for channels with sequential even number transferred neutrons.

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