Chinese Physics C > 2016, Vol. 40 > Issue(5): 056201 DOI: 10.1088/1674-1137/40/5/056201

Test of the notch technique for determining the radial sensitivity of the optical model potential

1.
China Institute of Atomic Energy, Department of Nuclear Physics, Beijing 102413, China

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Abstract：
Detailed investigations on the notch technique are performed on ideal data generated by the optical model potential parameters extracted from the ¹⁶O+ ²⁰⁸Pb system at the laboratory energy of 129.5 MeV, to study the sensitivities of this technique to the model parameters as well as the experimental data. It is found that for the perturbation parameters, a sufficiently large reduced fraction and an appropriate small perturbation width are necessary to determine the accurate radial sensitivity; while for the potential parameters, almost no dependence was observed. For the experimental measurements, the number of data points has little influence for heavy target systems, and the relative inner information of the nuclear potential can be derived when the measurement is extended to a lower cross section.
- optical model potential,
- notch technique,
- sensitive region,
- elastic scattering

References

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Lei Yang, Cheng-Jian Lin, Hui-Ming Jia, Xin-Xing Xu, Nan-Ru Ma, Li-Jie Sun, Feng Yang, Huan-Qiao Zhang, Zu-Hua Liu and Dong-Xi Wang. Test of the notch technique for determining the radial sensitivity of the optical model potential[J]. Chinese Physics C, 2016, 40(5): 056201. doi: 10.1088/1674-1137/40/5/056201

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Received: 2015-08-12

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Supported by National Natural Science Foundation of China(11375268, 11475263, U1432246 and U1432127) and the National Key Basic Research Program of China(2013CB834404)

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通讯作者:陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Test of the notch technique for determining the radial sensitivity of the optical model potential

Corresponding author:Cheng-Jian Lin,

1. China Institute of Atomic Energy, Department of Nuclear Physics, Beijing 102413, China

Received Date:2015-08-12

Available Online:2016-05-05

Fund Project:Supported by National Natural Science Foundation of China(11375268, 11475263, U1432246 and U1432127) and the National Key Basic Research Program of China(2013CB834404)

Abstract:Detailed investigations on the notch technique are performed on ideal data generated by the optical model potential parameters extracted from the¹⁶O+²⁰⁸Pb system at the laboratory energy of 129.5 MeV, to study the sensitivities of this technique to the model parameters as well as the experimental data. It is found that for the perturbation parameters, a sufficiently large reduced fraction and an appropriate small perturbation width are necessary to determine the accurate radial sensitivity; while for the potential parameters, almost no dependence was observed. For the experimental measurements, the number of data points has little influence for heavy target systems, and the relative inner information of the nuclear potential can be derived when the measurement is extended to a lower cross section.

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Test of the notch technique for determining the radial sensitivity of the optical model potential

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通讯作者:陈斌, bchen63@163.com

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