{"title":"中子导输引起的非均匀中子强度分布研究","authors":"Yu Wang, Guohai Wei, Hongli Wang, Yuntao Liu, Linfeng He, Kai Sun, Songbai Han, Dongfeng Chen","doi":"10.1016/j.phpro.2017.06.048","DOIUrl":null,"url":null,"abstract":"<div><p>The uniformity of the neutron intensity spatial distribution at the sample position will directly affect the neutron imaging quality. But the unexpected inhomogeneous spatial distribution phenomenon always appears in the neutron radiography facilities installed at the end of neutron guide. In this paper, the source of this phenomenon has been analyzed through geometrical optics and confirmed by Monte Carlo simulations, and several optimization solutions are also proposed.</p></div>","PeriodicalId":20407,"journal":{"name":"Physics Procedia","volume":"88 ","pages":"Pages 354-360"},"PeriodicalIF":0.0000,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.phpro.2017.06.048","citationCount":"2","resultStr":"{\"title\":\"A Study on Inhomogeneous Neutron Intensity Distribution Origin from Neutron Guide Transportation\",\"authors\":\"Yu Wang, Guohai Wei, Hongli Wang, Yuntao Liu, Linfeng He, Kai Sun, Songbai Han, Dongfeng Chen\",\"doi\":\"10.1016/j.phpro.2017.06.048\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The uniformity of the neutron intensity spatial distribution at the sample position will directly affect the neutron imaging quality. But the unexpected inhomogeneous spatial distribution phenomenon always appears in the neutron radiography facilities installed at the end of neutron guide. In this paper, the source of this phenomenon has been analyzed through geometrical optics and confirmed by Monte Carlo simulations, and several optimization solutions are also proposed.</p></div>\",\"PeriodicalId\":20407,\"journal\":{\"name\":\"Physics Procedia\",\"volume\":\"88 \",\"pages\":\"Pages 354-360\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/j.phpro.2017.06.048\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Physics Procedia\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1875389217300986\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physics Procedia","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1875389217300986","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Study on Inhomogeneous Neutron Intensity Distribution Origin from Neutron Guide Transportation
The uniformity of the neutron intensity spatial distribution at the sample position will directly affect the neutron imaging quality. But the unexpected inhomogeneous spatial distribution phenomenon always appears in the neutron radiography facilities installed at the end of neutron guide. In this paper, the source of this phenomenon has been analyzed through geometrical optics and confirmed by Monte Carlo simulations, and several optimization solutions are also proposed.
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