A new method for analyzing the collimation angleof a neutron Soller collimator

Jian-Bo Gao; Yun-Tao Liu; Dong-Feng Chen

doi:10.1088/1674-1137/40/1/016003

Chinese Physics C> 2016, Vol. 40> Issue(1) : 016003 DOI: 10.1088/1674-1137/40/1/016003

A new method for analyzing the collimation angleof a neutron Soller collimator

1.
China Institute of Atomic Energy, Beijing 102413, China

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Abstract：
A new method for analyzing the collimation angle of a neutron Soller collimator is described. A Gaussian distribution formula is used to define the angular distribution function of the neutron source and the neutron transmission function of the Soller collimator. A relationship between the FWHM of the collimator rocking curve and the collimation angle is derived. Using this method, some rocking curve experiment results are analyzed. The results show that the new function can be a good theoretical model for fitting the experimental data, especially for the data of two collimators with different collimation angles.
- Soller collimator ,
- collimation angle ,
- neutron beam

References

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Jian-Bo Gao, Yun-Tao Liu and Dong-Feng Chen. A new method for analyzing the collimation angleof a neutron Soller collimator[J]. Chinese Physics C, 2016, 40(1): 016003. doi: 10.1088/1674-1137/40/1/016003

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Received: 2015-03-19
Revised: 2015-07-21

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Supported by National Natural Science Foundation of China (11205248)

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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

A new method for analyzing the collimation angleof a neutron Soller collimator

Corresponding author: Jian-Bo Gao,

Corresponding author: Yun-Tao Liu,

Corresponding author: Dong-Feng Chen,

1. China Institute of Atomic Energy, Beijing 102413, China

Received Date: 2015-03-19

Accepted Date: 2015-07-21

Available Online: 2016-01-20

Fund Project: Supported by National Natural Science Foundation of China (11205248)

Abstract: A new method for analyzing the collimation angle of a neutron Soller collimator is described. A Gaussian distribution formula is used to define the angular distribution function of the neutron source and the neutron transmission function of the Soller collimator. A relationship between the FWHM of the collimator rocking curve and the collimation angle is derived. Using this method, some rocking curve experiment results are analyzed. The results show that the new function can be a good theoretical model for fitting the experimental data, especially for the data of two collimators with different collimation angles.

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A new method for analyzing the collimation angleof a neutron Soller collimator

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