A new method for analyzing the collimation angle of a neutron Soller collimator  

A new method for analyzing the collimation angle of a neutron Soller collimator

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作  者:高建波 刘蕴韬 陈东风 

机构地区:[1]China Institute of Atomic Energy,Beijing 102413,China

出  处:《Chinese Physics C》2016年第1期75-78,共4页中国物理C(英文版)

基  金:Supported by National Natural Science Foundation of China(11205248)

摘  要:A new method for analyzing the collimation angle of a neutron Soller collimator is described. A Gaus- sian 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.A new method for analyzing the collimation angle of a neutron Soller collimator is described. A Gaus- sian 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.

关 键 词:Soller collimator collimation angle neutron beam 

分 类 号:O571.53[理学—粒子物理与原子核物理]

 

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