发布求助
文献互助 智能选刊 最新文献

Nuclear Instruments and Methods最新文献

筛选
英文 中文
The energy compressor at the Glasgow 170 MeV electron linac 格拉斯哥170 MeV电子直线加速器的能量压缩器
Nuclear Instruments and Methods Pub Date : 1981-06-01 DOI: 10.1016/0029-554X(81)90728-X
William Allan Gillespie , Maurice G. Kelliher
{"title":"The energy compressor at the Glasgow 170 MeV electron linac","authors":"William Allan Gillespie ,&nbsp;Maurice G. Kelliher","doi":"10.1016/0029-554X(81)90728-X","DOIUrl":"10.1016/0029-554X(81)90728-X","url":null,"abstract":"<div><p>The energy compression system at the Glasgow 170 MeV electron linac is described. A system of three magnets plus a radio-frequency cavity is used to compress the linac energy spectrum by a factor of 5 to 15, depending on energy. Examples of compressed spectra are shown, and the effect of a phase shift in the compression cavity is demonstrated.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 2","pages":"Pages 285-292"},"PeriodicalIF":0.0,"publicationDate":"1981-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0029-554X(81)90728-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77125626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Comparison of the efficiency values of HgI2 and NaI detectors HgI2和NaI探测器效率值的比较
Nuclear Instruments and Methods Pub Date : 1981-06-01 DOI: 10.1016/0029-554X(81)90772-2
R. Rieppo
{"title":"Comparison of the efficiency values of HgI2 and NaI detectors","authors":"R. Rieppo","doi":"10.1016/0029-554X(81)90772-2","DOIUrl":"10.1016/0029-554X(81)90772-2","url":null,"abstract":"<div><p>A comparison between the absolute efficiency values of HgI<sub>2</sub> and NaI detectors has been carried out for six different source-to-detector arrangements. The HgI<sub>2</sub> and NaI detectors have been cansidered as equal in volume. Six different detector sizes and sources sizes have been used in the calculations. The calculations have been performed in the γ-ray energy region 60–1500 keV with the Monte Carlo method using a Univac 1100 computer. Water has been used as the source medium.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 2","pages":"Pages 599-601"},"PeriodicalIF":0.0,"publicationDate":"1981-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0029-554X(81)90772-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74994460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The extraction system for the K-500 cyclotron at M.S.U. 密歇根州立大学K-500回旋加速器的提取系统
Nuclear Instruments and Methods Pub Date : 1981-06-01 DOI: 10.1016/0029-554X(81)90731-X
E. Fabrici, D. Johnson, F.G. Resmini
{"title":"The extraction system for the K-500 cyclotron at M.S.U.","authors":"E. Fabrici,&nbsp;D. Johnson,&nbsp;F.G. Resmini","doi":"10.1016/0029-554X(81)90731-X","DOIUrl":"10.1016/0029-554X(81)90731-X","url":null,"abstract":"<div><p>The final design features of the extraction system for the K-500 cyclotron under construction at MSU are presented. The resulting cyclotron performance for a number of typical ions are reviewed and the expected extracted beam phase space characteristics are also discussed.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 2","pages":"Pages 301-318"},"PeriodicalIF":0.0,"publicationDate":"1981-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0029-554X(81)90731-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84714376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Isothermal decay characteristics of Li2B4O7 : Mn phosphor Li2B4O7: Mn荧光粉的等温衰减特性
Nuclear Instruments and Methods Pub Date : 1981-06-01 DOI: 10.1016/0029-554X(81)90763-1
Bhuwan Chandra, R.C. Bhatt
{"title":"Isothermal decay characteristics of Li2B4O7 : Mn phosphor","authors":"Bhuwan Chandra,&nbsp;R.C. Bhatt","doi":"10.1016/0029-554X(81)90763-1","DOIUrl":"10.1016/0029-554X(81)90763-1","url":null,"abstract":"<div><p>The isothermal decay of the thermoluminescence output of Li<sub>2</sub>B<sub>4</sub>O<sub>7</sub> : Mn (0.1% by weight of Mn) was studied as a function of dose and found to be dose dependent in the range 3–10<sup>5</sup> Gy.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 2","pages":"Pages 557-559"},"PeriodicalIF":0.0,"publicationDate":"1981-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0029-554X(81)90763-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77591886","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
In-beam measurement of the circular polarization of continuous gamma-ray spectra 连续伽玛射线能谱圆偏振的束内测量
Nuclear Instruments and Methods Pub Date : 1981-06-01 DOI: 10.1016/0029-554X(81)90746-1
W. Trautmann, C. Lauterbach, J. de Boer, W. Dünnweber, G. Graw, W. Hamann, W. Hering, H. Puchta
{"title":"In-beam measurement of the circular polarization of continuous gamma-ray spectra","authors":"W. Trautmann,&nbsp;C. Lauterbach,&nbsp;J. de Boer,&nbsp;W. Dünnweber,&nbsp;G. Graw,&nbsp;W. Hamann,&nbsp;W. Hering,&nbsp;H. Puchta","doi":"10.1016/0029-554X(81)90746-1","DOIUrl":"10.1016/0029-554X(81)90746-1","url":null,"abstract":"<div><p>A forward-scattering and a transmission-type polarimeter have been constructed to measure the circular polarization of γ-rays in heavy-ion reactions. The polarimeters were designed to provide large counting efficiencies necessary for particle-γ coincidence experiments. A doubly symmetric detector arrangement was used in-beam to minimize systematic errors. The polarization sensitivity of the forward-scattering polarimeter was determined from Monte Carlo calculations and by using a <sup>90</sup>Sr–<sup>90</sup>Y source of polarized bremsstrahlung. The applicability of the transmission-type polarimeter in the case of continuous γ-ray spectra is discussed.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 2","pages":"Pages 449-460"},"PeriodicalIF":0.0,"publicationDate":"1981-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0029-554X(81)90746-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80223885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
A normalization standard for neutron capture probability in the resonance region 共振区中子俘获概率的归一化标准
Nuclear Instruments and Methods Pub Date : 1981-06-01 DOI: 10.1016/0029-554X(81)90748-5
Makio Ohkubo
{"title":"A normalization standard for neutron capture probability in the resonance region","authors":"Makio Ohkubo","doi":"10.1016/0029-554X(81)90748-5","DOIUrl":"10.1016/0029-554X(81)90748-5","url":null,"abstract":"<div><p>Saturation capture probabilities for neutrons, impinging onto thick samples at resonance energies, are proposed as a standard for capture probability, in the energy region of a few hundred eV. Capture probabilities for the 132 eV resonance of cobalt, are examined.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 2","pages":"Pages 465-467"},"PeriodicalIF":0.0,"publicationDate":"1981-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0029-554X(81)90748-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89704895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Selective non-destructive determination of sub-pCi levels of thorium in solutions 溶液中钍亚pci含量的选择性非破坏性测定
Nuclear Instruments and Methods Pub Date : 1981-06-01 DOI: 10.1016/0029-554X(81)90764-3
Yehuda Eyal
{"title":"Selective non-destructive determination of sub-pCi levels of thorium in solutions","authors":"Yehuda Eyal","doi":"10.1016/0029-554X(81)90764-3","DOIUrl":"10.1016/0029-554X(81)90764-3","url":null,"abstract":"<div><p>A non-destructive method has been developed for the determination of sub-pCi levels of thorium in solutions by β-α coincidence measurement of daughter activity from purged thoron (<sup>220</sup>Rn).</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 2","pages":"Pages 561-562"},"PeriodicalIF":0.0,"publicationDate":"1981-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0029-554X(81)90764-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90498517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gamma transmission gauge for assay of integral water content in soil 土壤整体含水量测定用伽马透射计
Nuclear Instruments and Methods Pub Date : 1981-06-01 DOI: 10.1016/0029-554X(81)90766-7
A. Fishman, A. Notea, Y. Segal
{"title":"Gamma transmission gauge for assay of integral water content in soil","authors":"A. Fishman,&nbsp;A. Notea,&nbsp;Y. Segal","doi":"10.1016/0029-554X(81)90766-7","DOIUrl":"10.1016/0029-554X(81)90766-7","url":null,"abstract":"<div><p>A photon transmission gauge applied for integral water content measurement in a soil layer was analyzed. The gauge may be used as a control unit for automatic irrigation in a field, or as a scanner employed for establishing an irrigation policy. The characteristic functions of the gauge; response and relative resolving power were developed. The functions provide parameter study at the design stage and interpretational ability at the operational stage. The model led to a design which eliminates sensitivity to water distribution in the examined soil. It is shown that a resolving power of 2% was obtained for a 2.3 mCi <sup>137</sup>Cs source at 53 cm below surface, in measuring water content of 0.2 g water/cm<sup>3</sup> soil during 1000 s.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 2","pages":"Pages 571-576"},"PeriodicalIF":0.0,"publicationDate":"1981-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0029-554X(81)90766-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83915541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Szintillationen in Ionisations-Kammern
Nuclear Instruments and Methods Pub Date : 1981-06-01 DOI: 10.1016/0029-554X(81)90740-0
Renald Horstmann, Rudolf Langkau, Wolfgang Scobel
{"title":"Szintillationen in Ionisations-Kammern","authors":"Renald Horstmann,&nbsp;Rudolf Langkau,&nbsp;Wolfgang Scobel","doi":"10.1016/0029-554X(81)90740-0","DOIUrl":"10.1016/0029-554X(81)90740-0","url":null,"abstract":"<div><p>High purity Ar and mixtures of Ar with 1% CH<sub>4</sub>, 3% CH<sub>4</sub>, CO<sub>2</sub> and N<sub>2</sub>, respectively, have been applied for fission fragment detection in a gridded ionization chamber. Gas scintillation has been observed simultaneously with a photomultiplier VALVO-XP2041. Whereas all mixtures work equally well as an ionization gas, only Ar + 3% N<sub>2</sub> shows a primary scintillation yield sufficient for fast timing.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 2","pages":"Pages 413-417"},"PeriodicalIF":0.0,"publicationDate":"1981-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0029-554X(81)90740-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84097453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The oxford folded tandem 牛津折叠串连
Nuclear Instruments and Methods Pub Date : 1981-05-15 DOI: 10.1016/0029-554X(81)90845-4
P.J.S.B. Barratt, T.R. Brock, G. Doucas, T.J.L. Greenway, A. Henwood, A.R. Holmes, H.R. McK. Hyder, A.B. Knox, G.M. Parker , J. Takacs
{"title":"The oxford folded tandem","authors":"P.J.S.B. Barratt,&nbsp;T.R. Brock,&nbsp;G. Doucas,&nbsp;T.J.L. Greenway,&nbsp;A. Henwood,&nbsp;A.R. Holmes,&nbsp;H.R. McK. Hyder,&nbsp;A.B. Knox,&nbsp;G.M. Parker ,&nbsp;J. Takacs","doi":"10.1016/0029-554X(81)90845-4","DOIUrl":"10.1016/0029-554X(81)90845-4","url":null,"abstract":"<div><p>The large vertical Van de Graaff in the Nuclear Physics Laboratory at Oxford University has been converted to a folded tandem with a rated terminal voltage of 10 MV. The new parts were designed and largely manufactured within the Laboratory and included the terminal, two negative ion sources, low energy and high energy beam transport and vacuum systems and a new control system. The conversion began in July 1977 and progressed so that experiments with the folded tandem began in January 1979. Excluding the value of manufacture and installation by Laboratory staff, the total cost of the conversion was £100 000, the major items of outside manufacture being the 180° magnet, the accelerator tubes and the serial data links. The main design features of the new accelerator are discussed as well as its performance during the first 18 months of operation.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 9-33"},"PeriodicalIF":0.0,"publicationDate":"1981-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0029-554X(81)90845-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75052871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信