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1990 IEEE Nuclear Science Symposium Conference Record最新文献

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New Results On Spatial Resolution From Double-sided Readout Strip Detectors 双面读出条形探测器空间分辨率的新结果
1990 IEEE Nuclear Science Symposium Conference Record Pub Date : 1990-10-22 DOI: 10.1109/NSSMIC.1990.693291
H. Dijkstra, R. Horisberger, L. Hubbeling, A. Peisert, P. Weilhammer, M. Turala, W. Duliński, M. Schaeffer, R. Turchetta, I. Hietanen
{"title":"New Results On Spatial Resolution From Double-sided Readout Strip Detectors","authors":"H. Dijkstra, R. Horisberger, L. Hubbeling, A. Peisert, P. Weilhammer, M. Turala, W. Duliński, M. Schaeffer, R. Turchetta, I. Hietanen","doi":"10.1109/NSSMIC.1990.693291","DOIUrl":"https://doi.org/10.1109/NSSMIC.1990.693291","url":null,"abstract":"","PeriodicalId":234642,"journal":{"name":"1990 IEEE Nuclear Science Symposium Conference Record","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122334676","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
Studies Of Frequency Dependent C-V Characteristics Of Neutron Irradiated P/sup +/-n Silicon Detectors 中子辐照P/sup +/-n硅探测器频率相关C-V特性的研究
1990 IEEE Nuclear Science Symposium Conference Record Pub Date : 1990-10-22 DOI: 10.1109/NSSMIC.1990.693473
Z. Li, H. Kraner
{"title":"Studies Of Frequency Dependent C-V Characteristics Of Neutron Irradiated P/sup +/-n Silicon Detectors","authors":"Z. Li, H. Kraner","doi":"10.1109/NSSMIC.1990.693473","DOIUrl":"https://doi.org/10.1109/NSSMIC.1990.693473","url":null,"abstract":"Frequency-dependent capacitance-voltage (C-V) characteristics of neutron-irradiated high-resistivity silicon P/sup +/-n detectors have been observed up to a fluence of 8.0*10/sup 12/ n/cm/sup 2/. It has been found that the frequency dependence of the deviation of the C-V characteristic (from its normal V/sup -1/2/ dependence) is strongly dependent on the ratio of the defect density to the effective doping density N/sub t//N'/sub d/. As the defect density approaches the effective dopant density, or N/sub t//N'/sub d/ to 1, the junction capacitance eventually assumes the value of the detector geometry capacitance at high frequencies (f>or=10/sup 5/ Hz), independent of voltage. A two-trap-level model that uses the concept of quasi-Fermi levels and predicts the effects of C-V frequency dependence and dopant compensation observed has been developed. >","PeriodicalId":234642,"journal":{"name":"1990 IEEE Nuclear Science Symposium Conference Record","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122735370","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: 46
Recalibration Of The Egret Gamma Ray Telescope At The Mit Bates Linear Accelerator Center 麻省理工学院贝茨直线加速器中心白鹭伽玛射线望远镜的重新校准
1990 IEEE Nuclear Science Symposium Conference Record Pub Date : 1990-10-22 DOI: 10.1109/NSSMIC.1990.693399
R. Hartman, D. Bertsch, E. Booth, K. Dow, C. E. Fichtell, B. Hughlock, E. B. Hughess, S. Hunter, G. Kanbach, D. Kniffen, Y. Lin, P. Nolan, W. Sapp, E. Schneid, D. Thompson, D. Tieger, A. Walkers
{"title":"Recalibration Of The Egret Gamma Ray Telescope At The Mit Bates Linear Accelerator Center","authors":"R. Hartman, D. Bertsch, E. Booth, K. Dow, C. E. Fichtell, B. Hughlock, E. B. Hughess, S. Hunter, G. Kanbach, D. Kniffen, Y. Lin, P. Nolan, W. Sapp, E. Schneid, D. Thompson, D. Tieger, A. Walkers","doi":"10.1109/NSSMIC.1990.693399","DOIUrl":"https://doi.org/10.1109/NSSMIC.1990.693399","url":null,"abstract":"","PeriodicalId":234642,"journal":{"name":"1990 IEEE Nuclear Science Symposium Conference Record","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122994727","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
Dynamic High Resolution Imaging Of Rats: Design Considerations 大鼠动态高分辨率成像:设计考虑
1990 IEEE Nuclear Science Symposium Conference Record Pub Date : 1990-10-22 DOI: 10.1109/NSSMIC.1990.693547
R. Miyaoka, T. Lewellen, A. Bice
{"title":"Dynamic High Resolution Imaging Of Rats: Design Considerations","authors":"R. Miyaoka, T. Lewellen, A. Bice","doi":"10.1109/NSSMIC.1990.693547","DOIUrl":"https://doi.org/10.1109/NSSMIC.1990.693547","url":null,"abstract":"Researchers at the University of Washington were surveyed to determine the biological criteria for dynamic positron emission imaging of rats. To be useful, 3-mm isotropic resolution and 2-3-s time binning were desirable characteristics for such a dedicated tomograph. A single plane in which two objects of interest could be imaged simultaneously was considered acceptable. Multilayered detector designs were evaluated as a possible solution to the dynamic acquisition and high-resolution imaging requirements. The University of Washington photon history generator was used to generate data to investigate a tomograph's sensitivity to true, scattered, and random coincidences for varying detector ring diameters. Intrinsic spatial uniformity advantages of multilayered detector designs over conventional detector designs were investigated using a Monte Carlo program. As a result, a modular two-layered detector prototype is being developed. A module will consist of a layer of five 3.5-mm-wide crystals and a layer of six 3.5-mm-wide crystals. It is believed that adequate sampling can be achieved with a stationary detector system using these modules. Economical crystal decoding strategies have been investigated, and simulations have been run to investigate optimum light channeling methods for block decoding strategies. >","PeriodicalId":234642,"journal":{"name":"1990 IEEE Nuclear Science Symposium Conference Record","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123028596","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
The Utility Of Combining Smoothing And Deconvolution In Processing Algorithms For Well Log Data 光滑与反卷积相结合在测井数据处理算法中的应用
1990 IEEE Nuclear Science Symposium Conference Record Pub Date : 1990-10-22 DOI: 10.1109/NSSMIC.1990.693465
L. Gadeken, G. Merchant, L. A. Jacobson, C. Fu
{"title":"The Utility Of Combining Smoothing And Deconvolution In Processing Algorithms For Well Log Data","authors":"L. Gadeken, G. Merchant, L. A. Jacobson, C. Fu","doi":"10.1109/NSSMIC.1990.693465","DOIUrl":"https://doi.org/10.1109/NSSMIC.1990.693465","url":null,"abstract":"","PeriodicalId":234642,"journal":{"name":"1990 IEEE Nuclear Science Symposium Conference Record","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116853962","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
Historical Perspectives And Recent Progress In The Development Of X-ray Computed Tomography x射线计算机断层扫描的历史展望和最新进展
1990 IEEE Nuclear Science Symposium Conference Record Pub Date : 1990-10-22 DOI: 10.1109/NSSMIC.1990.693521
D. Boyd, S. Ackelsberg, J. L. Couch, K. R. Peschmann, R. E. Rand
{"title":"Historical Perspectives And Recent Progress In The Development Of X-ray Computed Tomography","authors":"D. Boyd, S. Ackelsberg, J. L. Couch, K. R. Peschmann, R. E. Rand","doi":"10.1109/NSSMIC.1990.693521","DOIUrl":"https://doi.org/10.1109/NSSMIC.1990.693521","url":null,"abstract":"","PeriodicalId":234642,"journal":{"name":"1990 IEEE Nuclear Science Symposium Conference Record","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117021677","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: 2
Quality Verification Planning Guides 质量验证计划指南
1990 IEEE Nuclear Science Symposium Conference Record Pub Date : 1990-10-22 DOI: 10.1109/NSSMIC.1990.693493
R.G. Collings
{"title":"Quality Verification Planning Guides","authors":"R.G. Collings","doi":"10.1109/NSSMIC.1990.693493","DOIUrl":"https://doi.org/10.1109/NSSMIC.1990.693493","url":null,"abstract":"","PeriodicalId":234642,"journal":{"name":"1990 IEEE Nuclear Science Symposium Conference Record","volume":"129 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117089541","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
Single Shot Volume Selection Technique And Its Application To In Vivo Spectroscopy 单次体积选择技术及其在体内光谱中的应用
1990 IEEE Nuclear Science Symposium Conference Record Pub Date : 1990-10-22 DOI: 10.1109/NSSMIC.1990.693567
C. Rim, J. Ra, Z. Cho
{"title":"Single Shot Volume Selection Technique And Its Application To In Vivo Spectroscopy","authors":"C. Rim, J. Ra, Z. Cho","doi":"10.1109/NSSMIC.1990.693567","DOIUrl":"https://doi.org/10.1109/NSSMIC.1990.693567","url":null,"abstract":"","PeriodicalId":234642,"journal":{"name":"1990 IEEE Nuclear Science Symposium Conference Record","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128512472","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
Monolithic Front-end For Multielectrode Detectors Based On The NJFET-PMOS Process 基于NJFET-PMOS工艺的多电极探测器单片前端
1990 IEEE Nuclear Science Symposium Conference Record Pub Date : 1990-10-22 DOI: 10.1109/NSSMIC.1990.693406
W. Buttler, G. Lutz, P. Manfredi, V. Re, V. Speziali
{"title":"Monolithic Front-end For Multielectrode Detectors Based On The NJFET-PMOS Process","authors":"W. Buttler, G. Lutz, P. Manfredi, V. Re, V. Speziali","doi":"10.1109/NSSMIC.1990.693406","DOIUrl":"https://doi.org/10.1109/NSSMIC.1990.693406","url":null,"abstract":"A monolithic front-end system for multielectrode detectors has been developed. The design aims at a solution featuring, besides suitably good noise performances, a little sensitivity of the noise to the absorbed radiation. To meet these requirements, a new technology, based upon two types of device, N-channel JETS and P-channel MOS, has been employed.","PeriodicalId":234642,"journal":{"name":"1990 IEEE Nuclear Science Symposium Conference Record","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128521800","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
An Ionization Chamber Using A Magnetically Suspended Electrode And Its Application To Environmental Radiation Monitoring 磁悬浮电极电离室及其在环境辐射监测中的应用
1990 IEEE Nuclear Science Symposium Conference Record Pub Date : 1990-10-22 DOI: 10.1109/NSSMIC.1990.693380
E. Tanaka, K. Koike, Y. Mori
{"title":"An Ionization Chamber Using A Magnetically Suspended Electrode And Its Application To Environmental Radiation Monitoring","authors":"E. Tanaka, K. Koike, Y. Mori","doi":"10.1109/NSSMIC.1990.693380","DOIUrl":"https://doi.org/10.1109/NSSMIC.1990.693380","url":null,"abstract":"A high-sensitivity ionization chamber has been developed for environmental radiation monitoring. The ion-collecting electrode is suspended by magnetic force without using all insulator so that the chamber is free from background current (such as leakage current and piezoelectricity) caused by the insulator. The electrode is reset periodically (every hour), and the ionization current is measured by detecting the amount of charge which flows through the reset contact. Experiments show that the chamber is useful for monitoring environmental gamma-ray dose (when the chamber is closed) or radon concentration in air (when the chamber is opened). The minimum detectable magnitude of ionization current is about 10/sup -17./ A, when the electrode is reset every hour. >","PeriodicalId":234642,"journal":{"name":"1990 IEEE Nuclear Science Symposium Conference Record","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129365293","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
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