{"title":"在切伦科夫环成像和其他应用的多步比例室中使用TMAE","authors":"G. Charpak, F. Sauli","doi":"10.1016/0167-5087(84)90116-9","DOIUrl":null,"url":null,"abstract":"<div><p>We tested a multistep proportional chamber of 20 × 20 cm<sup>2</sup> activ area, conceived to localize single vacuum ultraviolet photons. The detector has a capability of imaging large multiplicities of Cherenkov rings with a high density of detected photoelectrons and uses tetrakis(dimethylamine)ethylene, with a threshold of 5.4 eV, as the photoionizing vapour. Time slicing in a conversion gap reduces the multiplicity at a given instant of time by a large factor and permits the use of simple methods of localization. Separation of the amplifying gaps solves the problems of photon feedback encountered, at high gains, with single-step detectors. We also discuss an application of this chamber for the detection of superheavy monopoles if they have a speed in the range of the electron drift velocity.</p></div>","PeriodicalId":100972,"journal":{"name":"Nuclear Instruments and Methods in Physics Research","volume":"225 3","pages":"Pages 627-635"},"PeriodicalIF":0.0000,"publicationDate":"1984-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5087(84)90116-9","citationCount":"27","resultStr":"{\"title\":\"Use of TMAE in a multistep proportional chamber for cherenkov ring imaging and other applications\",\"authors\":\"G. Charpak, F. Sauli\",\"doi\":\"10.1016/0167-5087(84)90116-9\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>We tested a multistep proportional chamber of 20 × 20 cm<sup>2</sup> activ area, conceived to localize single vacuum ultraviolet photons. The detector has a capability of imaging large multiplicities of Cherenkov rings with a high density of detected photoelectrons and uses tetrakis(dimethylamine)ethylene, with a threshold of 5.4 eV, as the photoionizing vapour. Time slicing in a conversion gap reduces the multiplicity at a given instant of time by a large factor and permits the use of simple methods of localization. Separation of the amplifying gaps solves the problems of photon feedback encountered, at high gains, with single-step detectors. We also discuss an application of this chamber for the detection of superheavy monopoles if they have a speed in the range of the electron drift velocity.</p></div>\",\"PeriodicalId\":100972,\"journal\":{\"name\":\"Nuclear Instruments and Methods in Physics Research\",\"volume\":\"225 3\",\"pages\":\"Pages 627-635\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1984-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0167-5087(84)90116-9\",\"citationCount\":\"27\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Nuclear Instruments and Methods in Physics Research\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0167508784901169\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nuclear Instruments and Methods in Physics Research","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0167508784901169","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Use of TMAE in a multistep proportional chamber for cherenkov ring imaging and other applications
We tested a multistep proportional chamber of 20 × 20 cm2 activ area, conceived to localize single vacuum ultraviolet photons. The detector has a capability of imaging large multiplicities of Cherenkov rings with a high density of detected photoelectrons and uses tetrakis(dimethylamine)ethylene, with a threshold of 5.4 eV, as the photoionizing vapour. Time slicing in a conversion gap reduces the multiplicity at a given instant of time by a large factor and permits the use of simple methods of localization. Separation of the amplifying gaps solves the problems of photon feedback encountered, at high gains, with single-step detectors. We also discuss an application of this chamber for the detection of superheavy monopoles if they have a speed in the range of the electron drift velocity.
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