Cross sections for 165° backscattering of <sup>4</sup>He from sodium and aluminum at energies of 2.0 to 6.0 MeV

Cheng Huansheng Li Xiangyang Yang Fujia

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Cross sections for 165° backscattering of ⁴He from sodium and aluminum at energies of 2.0 to 6.0 MeV

更新时间：2021-04-20

- Cross sections for 165° backscattering of ⁴He from sodium and aluminum at energies of 2.0 to 6.0 MeV
- NUCLEAR TECHNIQUES Issue 12, (1991)
- 作者机构：
  
  复旦大学
- 作者简介：
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- Published：01 December 1991
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[1]承焕生,李向阳,杨福家.Na和Al对2—6MeV ~4He离子的背散射截面[J].核技术,1991(12):712-716.

Cheng Huansheng Li Xiangyang Yang Fujia. Cross sections for 165° backscattering of ⁴He from sodium and aluminum at energies of 2.0 to 6.0 MeV[J]. Nuclear techniques, 1991, (12): 712-716.
[1]承焕生,李向阳,杨福家.Na和Al对2—6MeV ~4He离子的背散射截面[J].核技术,1991(12):712-716. DOI：

Cheng Huansheng Li Xiangyang Yang Fujia. Cross sections for 165° backscattering of ⁴He from sodium and aluminum at energies of 2.0 to 6.0 MeV[J]. Nuclear techniques, 1991, (12): 712-716. DOI：

摘要

本文报道

He离子能量在2—6MeV能区、元素Na和Al在散射角165°（实验室坐标系）时弹性散射截面的测量结果。实验结果以弹性散射截面与卢瑟福散射截面比值作图给出。截面测量值的误差为±2.5％。实验结果表明

用

He作入射束时

元素Na和Al的卢瑟福散射截面公式可适用的最大能量分别为3.0MeV和3.5MeV;当入射

He离子能量大于上述能量时

弹性散射截面出现了连续的共振区。

Abstract

Cross sections for 165° backscattering of 4He ions from Na and AI films at energies in the range of 2.0-6.0 MeV have been measured. The cross sections were measured with a maximum interval of 50 keV and typical uncertainties of ±2.5%. Experimental results show that

for sodium and aluminum the upper energies at which the backscattering cross section can still be predicted by Rutherford scattering formula

are3.0 MeV and 3.5 MeV

respectively. When energe is higher than the upper value

the backscattering cross section shows a continuous nuclear resonance distribution both for sodium and for aluminum.

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Cross sections for 165° backscattering of 4He from sodium and aluminum at energies of 2.0 to 6.0 MeV

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摘要

Abstract

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Keywords

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Cross sections for 165° backscattering of ⁴He from sodium and aluminum at energies of 2.0 to 6.0 MeV