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Fragmentation and isotope measurements on accelerated neon and argon particles of 280 MeV/nucleon 280mev /核子加速氖和氩粒子的破碎和同位素测量
Nuclear Track Detection Pub Date : 1977-01-01 DOI: 10.1016/0145-224X(77)90019-9
R. Beaujean, W. Enge
{"title":"Fragmentation and isotope measurements on accelerated neon and argon particles of 280 MeV/nucleon","authors":"R. Beaujean,&nbsp;W. Enge","doi":"10.1016/0145-224X(77)90019-9","DOIUrl":"https://doi.org/10.1016/0145-224X(77)90019-9","url":null,"abstract":"<div><p>Accelerated argon and neon particles of 280 MeV/nucleon were stopped in stacks of 250 μm Daicel cellulose nitrate visual track detector sheets. The nuclear charge and mass of 172 particles from the neon exposure and of 23 particles from the argon exposure was determined by means of the cone-length vs residual-range method using the REL criterion. A mass resolution of 0·41 amu for <sup>20</sup>Ne and 0·25 amu for <sup>40</sup>Ar was obtained. The influence of fragmentations within the registration range on the particle identification is discussed.</p></div>","PeriodicalId":100974,"journal":{"name":"Nuclear Track Detection","volume":"1 1","pages":"Pages 19-25"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0145-224X(77)90019-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91719914","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
Supralinearity and particle discrimination in nuclear emulsion 核乳化液中的超线性和颗粒识别
Nuclear Track Detection Pub Date : 1977-01-01 DOI: 10.1016/0145-224X(77)90023-0
R. Katz, L. Larsson, F.E. Pinkerton, E.V. Benton
{"title":"Supralinearity and particle discrimination in nuclear emulsion","authors":"R. Katz,&nbsp;L. Larsson,&nbsp;F.E. Pinkerton,&nbsp;E.V. Benton","doi":"10.1016/0145-224X(77)90023-0","DOIUrl":"10.1016/0145-224X(77)90023-0","url":null,"abstract":"<div><p>Nuclear emulsions may be desensitized in manufacture and/or may be so processed as to discriminate against small latent image sites; to yield supralinear sensitometric response after <em>x</em>-irradiation; and to discriminate against lightly ionizing radiations in favor of heavily ionizing particles. In a circumstance where one electron passing through an emulsion grain is unlikely to generate a latent image sufficiently large to yield a visible grain after development, some larger number of electrons is required, resulting in “many-hit” statistics, supralinearity, and particle discrimination: for lightly ionizing particles are not likely to generate more than one δ-ray (secondary electron) in their passage through or near a grain. Since these properties are analagous to the response of many biological cells to ionizing radiations, such emulsion-developer combinations have the potential to mimic the response of biological systems to particulate radiations of different charge and speed.</p></div>","PeriodicalId":100974,"journal":{"name":"Nuclear Track Detection","volume":"1 1","pages":"Pages 49-61"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0145-224X(77)90023-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90911692","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: 6
Fragmentation and isotope measurements on accelerated neon and argon particles of 280 MeV/nucleon 280mev /核子加速氖和氩粒子的破碎和同位素测量
Nuclear Track Detection Pub Date : 1977-01-01 DOI: 10.1016/0145-224X(77)90019-9
R. Beaujean, W. Enge
{"title":"Fragmentation and isotope measurements on accelerated neon and argon particles of 280 MeV/nucleon","authors":"R. Beaujean, W. Enge","doi":"10.1016/0145-224X(77)90019-9","DOIUrl":"https://doi.org/10.1016/0145-224X(77)90019-9","url":null,"abstract":"","PeriodicalId":100974,"journal":{"name":"Nuclear Track Detection","volume":"69 1","pages":"19-25"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81388406","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
Meteoritical society ——社会
Nuclear Track Detection Pub Date : 1977-01-01 DOI: 10.1016/0145-224X(77)90027-8
S.A. Durrani
{"title":"Meteoritical society","authors":"S.A. Durrani","doi":"10.1016/0145-224X(77)90027-8","DOIUrl":"https://doi.org/10.1016/0145-224X(77)90027-8","url":null,"abstract":"","PeriodicalId":100974,"journal":{"name":"Nuclear Track Detection","volume":"1 1","pages":"Page 81"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0145-224X(77)90027-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136981735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Processing of plastic track detectors 塑料轨迹探测器加工
Nuclear Track Detection Pub Date : 1977-01-01 DOI: 10.1016/0145-224X(77)90018-7
G. Somogyi
{"title":"Processing of plastic track detectors","authors":"G. Somogyi","doi":"10.1016/0145-224X(77)90018-7","DOIUrl":"https://doi.org/10.1016/0145-224X(77)90018-7","url":null,"abstract":"<div><p>A survey of some actual problems of the track processing methods available at this time for plastics is presented. In the case of the conventional chemical track-etching technique, mainly the etching situations related to detector geometry, and the relationship between registration sensitivity and the etching parameters are considered. Special attention is paid to the behaviour of track-revealing by means of electrochemical etching. Finally, some properties of a promising new track processing method based on graft polymerization are discussed.</p></div>","PeriodicalId":100974,"journal":{"name":"Nuclear Track Detection","volume":"1 1","pages":"Pages 3-18"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0145-224X(77)90018-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91755758","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: 81
Plastic nuclear track detector measurements of high-LET particle radiation on apollo, skylab, and ASTP space missions 塑料核径迹探测器测量高let粒子辐射在阿波罗，天空实验室，和ASTP空间任务
Nuclear Track Detection Pub Date : 1977-01-01 DOI: 10.1016/0145-224X(77)90020-5
E.V. Benton, R.P. Henke, D.D. Peterson
{"title":"Plastic nuclear track detector measurements of high-LET particle radiation on apollo, skylab, and ASTP space missions","authors":"E.V. Benton,&nbsp;R.P. Henke,&nbsp;D.D. Peterson","doi":"10.1016/0145-224X(77)90020-5","DOIUrl":"https://doi.org/10.1016/0145-224X(77)90020-5","url":null,"abstract":"<div><p>High-LET particle radiation-measurements taken inside manned spacecraft are presented for the Apollo, Skylab, and ASTP space missions. The measurements include particle flux, integral LET spectrum, and stopping-density charge-distribution registered in plastic nuclear track detectors worn by astronauts and located at various positions inside the spacecraft. They reflect a wide range of shielding depth and mission type.</p></div>","PeriodicalId":100974,"journal":{"name":"Nuclear Track Detection","volume":"1 1","pages":"Pages 27-32"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0145-224X(77)90020-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91755760","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: 11
Annealing studies of tracks in crystals 晶体中径迹的退火研究
Nuclear Track Detection Pub Date : 1977-01-01 DOI: 10.1016/0145-224X(77)90021-7
P.F. Green, S.A. Durrani
{"title":"Annealing studies of tracks in crystals","authors":"P.F. Green,&nbsp;S.A. Durrani","doi":"10.1016/0145-224X(77)90021-7","DOIUrl":"https://doi.org/10.1016/0145-224X(77)90021-7","url":null,"abstract":"<div><p>The influence of crystallographic structure of the annealing of fission-fragment tracks in muscovite has been reported in the past, but the possibility of such an effect in other minerals has received little attention. We have investigated the annealing behaviour of tracks in bronzite, using collimated beams of <sup>252</sup>Cf fission fragments, and heavy ions (Fe and Kr of 9·6 MeV/nucleon) employing the ‘<em>L-R</em> plot’ technique. No influence of structure on the annealing of these tracks is found. The annealing behaviour of fossil-fission tracks in apatite is also studied from this aspect, and here significant crystallographic effects are found. After reduction of track density to 0·25 of the original unannealed value, the great majority of tracks are aligned with the <em>c</em>-axis of the crystal prism. However, the overall significance of this effect, in terms of track densities, seems to be small.</p></div>","PeriodicalId":100974,"journal":{"name":"Nuclear Track Detection","volume":"1 1","pages":"Pages 33-39"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0145-224X(77)90021-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91719915","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: 102
Fission fragment detection by thin film capacitors—I 用薄膜电容器检测裂变碎片——1
Nuclear Track Detection Pub Date : 1977-01-01 DOI: 10.1016/0145-224X(77)90024-2
L. Tommasino, N. Klein, P. Solomon
{"title":"Fission fragment detection by thin film capacitors—I","authors":"L. Tommasino,&nbsp;N. Klein,&nbsp;P. Solomon","doi":"10.1016/0145-224X(77)90024-2","DOIUrl":"10.1016/0145-224X(77)90024-2","url":null,"abstract":"<div><p>Heavy-ion detection by solid dielectrics has been so far obtained by chemical etching. In this paper the detection of fission fragments is based on the counting of breakdowns in thin films of solid dielectrics. These films are used as dielectric materials in capacitors with one electrode usually less than 1000 A thick. Breakdowns in such capacitors are non-shorting and can be repeated up to millions of times/cm<sup>2</sup> of the capacitor area. The property that makes these capacitors suitable for detection is that fission fragments induce breakdowns at electric fields distinctly lower than those due to the application of field alone. The characteristics of these new detecting systems are described and compared with those of the damage-track detectors.</p></div>","PeriodicalId":100974,"journal":{"name":"Nuclear Track Detection","volume":"1 1","pages":"Pages 63-70"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0145-224X(77)90024-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83378231","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: 19
Fission fragment detection by thin film capacitors—II 用薄膜电容器检测裂变碎片——ⅱ
Nuclear Track Detection Pub Date : 1977-01-01 DOI: 10.1016/0145-224X(77)90025-4
N. Klein, P. Solomon, L. Tommasino
{"title":"Fission fragment detection by thin film capacitors—II","authors":"N. Klein,&nbsp;P. Solomon,&nbsp;L. Tommasino","doi":"10.1016/0145-224X(77)90025-4","DOIUrl":"10.1016/0145-224X(77)90025-4","url":null,"abstract":"<div><p>Fission fragments produce measurable current pulses in thin film capacitors at electric fields which are high, but still below the breakdown range for fragments. This paper describes the use of silicon dioxide capacitors for the detection of fission fragments by such current pulses. With capacitor areas of 2 x 10<sup>-2</sup> cm<sup>2</sup>, the pulses were insignificant when the oxide was relatively thin, but with 3800 Å thick oxide, fission fragments produce detectable pulses of about 10<sup>-15</sup>C. The mechanisms producing the current pulses by fission fragments are discussed.</p></div>","PeriodicalId":100974,"journal":{"name":"Nuclear Track Detection","volume":"1 1","pages":"Pages 71-74"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0145-224X(77)90025-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73506465","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: 5
Title section, volume contents and author index 标题部分，卷内容和作者索引
Nuclear Track Detection Pub Date : 1977-01-01 DOI: 10.1016/0145-224X(77)90010-2
{"title":"Title section, volume contents and author index","authors":"","doi":"10.1016/0145-224X(77)90010-2","DOIUrl":"https://doi.org/10.1016/0145-224X(77)90010-2","url":null,"abstract":"","PeriodicalId":100974,"journal":{"name":"Nuclear Track Detection","volume":"1 ","pages":"Pages i-iv"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0145-224X(77)90010-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92018262","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
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