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Search for the best timing strategy in high precision drift chambers 在高精度漂移室中寻找最佳定时策略
Nuclear Instruments and Methods in Physics Research Pub Date : 1984-09-01 DOI: 10.1016/0167-5087(84)90084-X
J. Va'vra
{"title":"Search for the best timing strategy in high precision drift chambers","authors":"J. Va'vra","doi":"10.1016/0167-5087(84)90084-X","DOIUrl":"10.1016/0167-5087(84)90084-X","url":null,"abstract":"<div><p>Computer simulated drift chamber pulses are used to investigate various possible timing strategies in drift chambers. In particular, leading edge, multiple threshold and flash ADC timing methods are compared. Although the presented method is general for any drift geometry, we concentrate our discussion on jet chambers where the drift velocity is about 3–5 cm/μs and the individual ionization clusters are not resolved, due to a finite speed of our electronics. We will not discuss the geometries where the drift time is expanded further and the individual clusters can be recorded (this is covered by a talk by Walenta).</p></div>","PeriodicalId":100972,"journal":{"name":"Nuclear Instruments and Methods in Physics Research","volume":"225 3","pages":"Pages 445-453"},"PeriodicalIF":0.0,"publicationDate":"1984-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5087(84)90084-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76611378","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
Operation of calorimeters based on vacuum and gas photodetectors in high intensity magnetic fields 基于真空和气体光电探测器的量热计在强磁场中的操作
Nuclear Instruments and Methods in Physics Research Pub Date : 1984-09-01 DOI: 10.1016/0167-5087(84)90088-7
Luigi Ventura
{"title":"Operation of calorimeters based on vacuum and gas photodetectors in high intensity magnetic fields","authors":"Luigi Ventura","doi":"10.1016/0167-5087(84)90088-7","DOIUrl":"10.1016/0167-5087(84)90088-7","url":null,"abstract":"<div><p>Recent attempts to operate counters for calorimetric use inside high intensity magnetic fields have resulted in interesting developments both in the construction of the counters and in the design of the vacuum photosensitive devices. In particular, a new one-stage photomultiplier has been developed. The present status of the development of gas photodiodes will finally be illustrated.</p></div>","PeriodicalId":100972,"journal":{"name":"Nuclear Instruments and Methods in Physics Research","volume":"225 3","pages":"Pages 471-476"},"PeriodicalIF":0.0,"publicationDate":"1984-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5087(84)90088-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73252715","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
Present status of heavy liquid counter (helicon) 重液计数器(螺旋)的现状
Nuclear Instruments and Methods in Physics Research Pub Date : 1984-09-01 DOI: 10.1016/0167-5087(84)90101-7
Asao Kusumegi, Yoshio Yoshimura
{"title":"Present status of heavy liquid counter (helicon)","authors":"Asao Kusumegi,&nbsp;Yoshio Yoshimura","doi":"10.1016/0167-5087(84)90101-7","DOIUrl":"10.1016/0167-5087(84)90101-7","url":null,"abstract":"<div><p>Following the thallium formate solution and the thallium formate-malonate (Clerici) solution, we have tested several lead compound solutions and a tetrabromoethane heavy liquid as a Cherenkov radiator material for a total absorption counter (calorimeter). We report here the results of optical transmission measurements of a binary solution of lead acetate and lead propionate and of a tetrabromoethane heavy liquid. We present also a result of trials of mixing organic scintillators in these heavy liquids to increase the light output. At present, we have neither obtained an adequate scintillator for lead compound solutions, nor for a tetrabromoethane heavy liquid. However, we obtained a promising indication of getting scintillations from a mixture of thallium formate-malonate (Clerici) solution, water and a liquid scintillator added with a surfactant and a naphthalene in a colloidal state. We need to examine the data more carefully and quantitatively before making a definite affirmative conclusion.</p></div>","PeriodicalId":100972,"journal":{"name":"Nuclear Instruments and Methods in Physics Research","volume":"225 3","pages":"Pages 534-537"},"PeriodicalIF":0.0,"publicationDate":"1984-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5087(84)90101-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78443735","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
Automatic devices' resolution in nuclear emulsion observation 核乳化观测中自动装置的分辨率
Nuclear Instruments and Methods in Physics Research Pub Date : 1984-09-01 DOI: 10.1016/0167-5087(84)90122-4
G. Baroni , A.M. Cecchetti , S. Dell'Uomo , S. Di Liberto , P. Ginobbi , E. Lamanna , A. Manfredini , M.A. Mazzoni , F. Meddi , S. Petrera , G. Romano , G. Rosa , C. Sgarbi
{"title":"Automatic devices' resolution in nuclear emulsion observation","authors":"G. Baroni ,&nbsp;A.M. Cecchetti ,&nbsp;S. Dell'Uomo ,&nbsp;S. Di Liberto ,&nbsp;P. Ginobbi ,&nbsp;E. Lamanna ,&nbsp;A. Manfredini ,&nbsp;M.A. Mazzoni ,&nbsp;F. Meddi ,&nbsp;S. Petrera ,&nbsp;G. Romano ,&nbsp;G. Rosa ,&nbsp;C. Sgarbi","doi":"10.1016/0167-5087(84)90122-4","DOIUrl":"10.1016/0167-5087(84)90122-4","url":null,"abstract":"<div><p>Some results on the precision obtainable using automatic devices in nuclear emulsion measurements and simplified methods for their application in standard work are presented.</p></div>","PeriodicalId":100972,"journal":{"name":"Nuclear Instruments and Methods in Physics Research","volume":"225 3","pages":"Pages 656-660"},"PeriodicalIF":0.0,"publicationDate":"1984-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5087(84)90122-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87089927","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 central calorimeter of the UA2 experiment at the CERN pp collider 欧洲核子研究中心pp对撞机UA2实验的中心量热计
Nuclear Instruments and Methods in Physics Research Pub Date : 1984-09-01 DOI: 10.1016/0167-5087(84)90092-9
A. Beer, F. Bonaudi, L. Bonnefoy, M. Borghini, F. Bourgeois, A.G. Clark, J-M. Chapuis, Y. Cholley, A. Corre, G. Critin, P. Darriulat, L. Di Lella, P.A. Dorsaz, O. Gildemeister, G. Gurrieri, J.R. Hansen, T. Himel, V. Hungerbühler, P. Jenni, L. Mapelli, K. Zankel
{"title":"The central calorimeter of the UA2 experiment at the CERN pp collider","authors":"A. Beer,&nbsp;F. Bonaudi,&nbsp;L. Bonnefoy,&nbsp;M. Borghini,&nbsp;F. Bourgeois,&nbsp;A.G. Clark,&nbsp;J-M. Chapuis,&nbsp;Y. Cholley,&nbsp;A. Corre,&nbsp;G. Critin,&nbsp;P. Darriulat,&nbsp;L. Di Lella,&nbsp;P.A. Dorsaz,&nbsp;O. Gildemeister,&nbsp;G. Gurrieri,&nbsp;J.R. Hansen,&nbsp;T. Himel,&nbsp;V. Hungerbühler,&nbsp;P. Jenni,&nbsp;L. Mapelli,&nbsp;K. Zankel","doi":"10.1016/0167-5087(84)90092-9","DOIUrl":"https://doi.org/10.1016/0167-5087(84)90092-9","url":null,"abstract":"<div><p>The design of the central calorimeter of the UA2 experiment at the CERN <span><math><mtext>p</mtext></math></span>p collider is described. Calibration methods and test beam results are presented.</p></div>","PeriodicalId":100972,"journal":{"name":"Nuclear Instruments and Methods in Physics Research","volume":"225 3","pages":"Pages 498-499"},"PeriodicalIF":0.0,"publicationDate":"1984-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5087(84)90092-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91975115","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
Status and perspectives of liquid argon calorimeters 液氩量热计的现状与展望
Nuclear Instruments and Methods in Physics Research Pub Date : 1984-09-01 DOI: 10.1016/0167-5087(84)90099-1
Joachim Engler
{"title":"Status and perspectives of liquid argon calorimeters","authors":"Joachim Engler","doi":"10.1016/0167-5087(84)90099-1","DOIUrl":"10.1016/0167-5087(84)90099-1","url":null,"abstract":"<div><p>The status of liquid argon calorimeters is reviewed and experiences obtained with these devices are given. Future perspectives of the liquid ionization chamber technique in calorimetry are also discussed.</p></div>","PeriodicalId":100972,"journal":{"name":"Nuclear Instruments and Methods in Physics Research","volume":"225 3","pages":"Pages 525-529"},"PeriodicalIF":0.0,"publicationDate":"1984-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5087(84)90099-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83242669","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
Test of prototype hadron calorimeter for the L3 experiment L3实验用强子量热计样机测试
Nuclear Instruments and Methods in Physics Research Pub Date : 1984-09-01 DOI: 10.1016/0167-5087(84)90091-7
F. Celletti , A. Marchionni , P. Spillantini , Yu. Kamyshkov , V. Pojidaev , M. Cerrada , H. Zeidler , F. Ferroni , M. Steuer , K. Deiters , G. Gianolli , P. Lecomte , P. Le Coultre , H. Suter
{"title":"Test of prototype hadron calorimeter for the L3 experiment","authors":"F. Celletti ,&nbsp;A. Marchionni ,&nbsp;P. Spillantini ,&nbsp;Yu. Kamyshkov ,&nbsp;V. Pojidaev ,&nbsp;M. Cerrada ,&nbsp;H. Zeidler ,&nbsp;F. Ferroni ,&nbsp;M. Steuer ,&nbsp;K. Deiters ,&nbsp;G. Gianolli ,&nbsp;P. Lecomte ,&nbsp;P. Le Coultre ,&nbsp;H. Suter","doi":"10.1016/0167-5087(84)90091-7","DOIUrl":"10.1016/0167-5087(84)90091-7","url":null,"abstract":"<div><p>A fine sampling, tracking hadron calorimeter operating with limited streamer tubes and using a copper absorber has been tested with pions from 1 to 10 GeV/<em>c</em>. The energy resolution measured is consistent with the one expected from empirical formulae obtained for scintillator calorimeters, thus demonstrating that streamer tubes bring little or no loss in resolution. Our laboratory tests have demonstrated that chambers using tubes as small as 3.5 × 4.5 mm<sup>2</sup> can operate satisfactorily in limited streamer mode.</p></div>","PeriodicalId":100972,"journal":{"name":"Nuclear Instruments and Methods in Physics Research","volume":"225 3","pages":"Pages 493-497"},"PeriodicalIF":0.0,"publicationDate":"1984-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5087(84)90091-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73609350","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
Semiconductor drift chamber — An application of a novel charge transport scheme 半导体漂移室。一种新型电荷输运方案的应用
Nuclear Instruments and Methods in Physics Research Pub Date : 1984-09-01 DOI: 10.1016/0167-5087(84)90113-3
Emilio Gatti , Pavel Rehak
{"title":"Semiconductor drift chamber — An application of a novel charge transport scheme","authors":"Emilio Gatti ,&nbsp;Pavel Rehak","doi":"10.1016/0167-5087(84)90113-3","DOIUrl":"10.1016/0167-5087(84)90113-3","url":null,"abstract":"<div><p>The purpose of this paper is to describe a novel charge transport scheme in semiconductors, in which the field responsible for the charge transport is independent of the depletion field. The application of the novel charge transport scheme leads to the following new semiconductor detectors: </p><ul><li><span>1.</span><span><p>1) Semiconductor drift chamber;</p></span></li><li><span>2.</span><span><p>2) Ultralow capacitance - large area semiconductor X-ray spectrometers and photodiodes;</p></span></li><li><span>3.</span><span><p>3) Fully depleted thick CCD.</p></span></li></ul><p>Special attention is paid to the concept of the semiconductor drift chamber as a position sensing detecter for high energy charged particles. Position resolution limiting factors are considered and the values of the resolutions are given.</p></div>","PeriodicalId":100972,"journal":{"name":"Nuclear Instruments and Methods in Physics Research","volume":"225 3","pages":"Pages 608-614"},"PeriodicalIF":0.0,"publicationDate":"1984-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5087(84)90113-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78102759","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: 658
Performance of a high density projection chamber 高密度投影室的性能
Nuclear Instruments and Methods in Physics Research Pub Date : 1984-09-01 DOI: 10.1016/0167-5087(84)90089-9
M. Berggren , A. Cattai , H.G. Fischer, P.S. Iversen , E. Lillethun , M. Panter, O. Ullaland, J.R. Ursin
{"title":"Performance of a high density projection chamber","authors":"M. Berggren ,&nbsp;A. Cattai ,&nbsp;H.G. Fischer,&nbsp;P.S. Iversen ,&nbsp;E. Lillethun ,&nbsp;M. Panter,&nbsp;O. Ullaland,&nbsp;J.R. Ursin","doi":"10.1016/0167-5087(84)90089-9","DOIUrl":"10.1016/0167-5087(84)90089-9","url":null,"abstract":"<div><p>The high density projection chamber (HPC) is a large volume gas sampling calorimeter. The highly granulated module allows a complete three-dimensional reconstruction of the shower and offers good energy resolution. We will present preliminary results from test runs and discuss operation in a magnetic field.</p></div>","PeriodicalId":100972,"journal":{"name":"Nuclear Instruments and Methods in Physics Research","volume":"225 3","pages":"Pages 477-480"},"PeriodicalIF":0.0,"publicationDate":"1984-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5087(84)90089-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83139422","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
The time projection chamber for the ALEPH experiment ALEPH实验的时间投射室
Nuclear Instruments and Methods in Physics Research Pub Date : 1984-09-01 DOI: 10.1016/0167-5087(84)90105-4
W. Blum
{"title":"The time projection chamber for the ALEPH experiment","authors":"W. Blum","doi":"10.1016/0167-5087(84)90105-4","DOIUrl":"10.1016/0167-5087(84)90105-4","url":null,"abstract":"<div><p>A large TPC is described which is being designed for a LEP experiment. The main components are discussed with some emphasis on the wire chamber design and on the obtainable measurement accuracy. Some test results are reported.</p></div>","PeriodicalId":100972,"journal":{"name":"Nuclear Instruments and Methods in Physics Research","volume":"225 3","pages":"Pages 557-565"},"PeriodicalIF":0.0,"publicationDate":"1984-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5087(84)90105-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91058244","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: 8
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