打孔镉片补偿<sup>3</sup>He正比计数器中子能量响应的方法
申请公布号:CN104516008A
申请号:CN201310445518.1
申请日期:2013.09.26
申请公布日期:2015.04.15
发明人:刘建忠;王勇;刘倍;徐园;刘惠英
分类号:G01T1/18(2006.01)I
主分类号:G01T1/18(2006.01)I
代理人:田明;任晓航
地址:030006 山西省太原市学府街102号
摘要:本发明涉及一种打孔镉片补偿<sup>3</sup>He正比计数器中子能量响应的方法,属于辐射测量领域。现有的方法中,<sup>3</sup>He正比计数器在低能段的响应明显高于国际放射委员会(ICRP)74号出版物给出的注量剂量转换曲线,如不加以补偿,会给实际测量工作带来较大的误差。本发明所述的方法在<sup>3</sup>He正比计数器外包裹一层镉的薄片,所述的镉薄片表面打有一定数量的孔洞。采用本发明所述的方法能够实现低能补偿,有效改善<sup>3</sup>He正比计数器对低能中子的响应。
主权项:一种打孔镉片补偿<sup>3</sup>He正比计数器中子能量响应的方法,包括以下步骤:在<sup>3</sup>He正比计数器外包裹一层镉的薄片,所述的镉薄片表面打有一定数量的孔洞。
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