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Improved performance of the São Paulo Pelletron 改进了<s:1>圣保罗Pelletron的性能
Nuclear Instruments and Methods Pub Date : 1981-05-15 Epub Date: 2002-10-30 DOI: 10.1016/0029-554X(81)90861-2
O. Sala, M. Stier, J.C. Acquadro
{"title":"Improved performance of the São Paulo Pelletron","authors":"O. Sala,&nbsp;M. Stier,&nbsp;J.C. Acquadro","doi":"10.1016/0029-554X(81)90861-2","DOIUrl":"10.1016/0029-554X(81)90861-2","url":null,"abstract":"<div><p>The São Paulo Pelletron was the first Pelletron constructed by the NEC and also the first to become operational at the end of 1971. Although the Herb Pelletron design was demonstrated from the beginning to be very good (later this was proven by the successful operation of several larger Pelletrons) our machine did suffer from defects in engineering which limited its performance and its application as a reliable tool for research in nuclear physics. This paper describes some of the improvements which we have introduced to increase the reliability of our Pelletron as a research tool in the University.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 153-155"},"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)90861-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77240802","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
Progress on the 20UR pelletron at the Japan atomic energy research institute 日本原子能研究所20UR颗粒加速器的进展
Nuclear Instruments and Methods Pub Date : 1981-05-15 Epub Date: 2002-10-30 DOI: 10.1016/0029-554X(81)90857-0
G.A. Norton, M.L. Sundquist, R.E. Daniel, R.D. Rathmell
{"title":"Progress on the 20UR pelletron at the Japan atomic energy research institute","authors":"G.A. Norton,&nbsp;M.L. Sundquist,&nbsp;R.E. Daniel,&nbsp;R.D. Rathmell","doi":"10.1016/0029-554X(81)90857-0","DOIUrl":"10.1016/0029-554X(81)90857-0","url":null,"abstract":"","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 107-111"},"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)90857-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86106760","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
Investigations on carbon stripper foils produced in a DC glow discharge 直流辉光放电制备脱碳箔的研究
Nuclear Instruments and Methods Pub Date : 1981-05-15 Epub Date: 2002-10-30 DOI: 10.1016/0029-554X(81)90870-3
B. Huck, E. Jaeschke, W. Kratschmer, R. Repnow, H. Wirth
{"title":"Investigations on carbon stripper foils produced in a DC glow discharge","authors":"B. Huck,&nbsp;E. Jaeschke,&nbsp;W. Kratschmer,&nbsp;R. Repnow,&nbsp;H. Wirth","doi":"10.1016/0029-554X(81)90870-3","DOIUrl":"10.1016/0029-554X(81)90870-3","url":null,"abstract":"<div><p>Carbon stripper foils produced by cracking hydrocarbon gases are known to have a much longer lifetime during heavy ion bombardment than foils made by the evaporation of carbon. The lifetime of cracked foils installed in the terminal of the Heidelberg MP-tandem was improved by up to a factor of 30. Crystallographic structure from electron diffraction, hydrogen content, electrical conductivity and the density have been determined to reveal characteristic differences between cracked and evaporated foils.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 215-221"},"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)90870-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79993777","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: 35
The Argonne tandem as injector to a superconducting linac 阿贡串联装置作为超导直线加速器的注入器
Nuclear Instruments and Methods Pub Date : 1981-05-15 Epub Date: 2002-10-30 DOI: 10.1016/0029-554X(81)90874-0
J.L. Yntema, P.K. Den Hartog, W. Henning, W. Kutschera
{"title":"The Argonne tandem as injector to a superconducting linac","authors":"J.L. Yntema,&nbsp;P.K. Den Hartog,&nbsp;W. Henning,&nbsp;W. Kutschera","doi":"10.1016/0029-554X(81)90874-0","DOIUrl":"10.1016/0029-554X(81)90874-0","url":null,"abstract":"<div><p>The Argonne tandem uses pelletron chains, NEC accelerator tubes, and a dual closed-corona system. Its main function is to be an injector for a superconducting linear accelerator. As long as the transverse and longitudinal emittances are within the acceptance of the linac, the output beam quality of the tandem-linac system is essentially determined by the tandem. The sensitivity of the linac to the longitudinal emittance <em>ΔEΔt</em> of the incident beam makes the output beam quality dependent on the negative-ion velocity distribution in the source, transit-time effects in the tandem, molecular-beam dissociation, and stripper-foil uniformity. In this paper we discuss these beam-degrading effects.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 233-238"},"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)90874-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89545643","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
Florida State University superconducting booster 佛罗里达州立大学超导助推器
Nuclear Instruments and Methods Pub Date : 1981-05-15 Epub Date: 2002-10-30 DOI: 10.1016/0029-554X(81)90875-2
K.R. Chapman
{"title":"Florida State University superconducting booster","authors":"K.R. Chapman","doi":"10.1016/0029-554X(81)90875-2","DOIUrl":"10.1016/0029-554X(81)90875-2","url":null,"abstract":"<div><p>A superconducting linear accelerator booster is to be added to the existing super FN tandem Van de Graaff accelerator installation at Florida State University to achieve an effective 12 MV additional acceleration voltage. A description of this booster, the tandem modifications to accommodate it and the present status of this project are presented.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 239-245"},"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)90875-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79499426","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
The present status of the Daresbury nuclear structure facility 达斯伯里核结构设施的现状
Nuclear Instruments and Methods Pub Date : 1981-05-15 Epub Date: 2002-10-30 DOI: 10.1016/0029-554X(81)90843-0
R.G.P. Voss
{"title":"The present status of the Daresbury nuclear structure facility","authors":"R.G.P. Voss","doi":"10.1016/0029-554X(81)90843-0","DOIUrl":"https://doi.org/10.1016/0029-554X(81)90843-0","url":null,"abstract":"<div><p>A status report of the 30 MV tandem installed at the Daresbury Nuclear Structure Facility is given. The technical aspects of the various installations are presented in detail.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 1-3"},"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)90843-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136601884","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
Some improvements of the Pelletron accelerator in lund 隆德Pelletron加速器的一些改进
Nuclear Instruments and Methods Pub Date : 1981-05-15 Epub Date: 2002-10-30 DOI: 10.1016/0029-554X(81)90852-1
R. Hellborg, K. Håkansson
{"title":"Some improvements of the Pelletron accelerator in lund","authors":"R. Hellborg,&nbsp;K. Håkansson","doi":"10.1016/0029-554X(81)90852-1","DOIUrl":"10.1016/0029-554X(81)90852-1","url":null,"abstract":"<div><p>Several improvements that have been implemented in the Pelletron system are described. The main components are protective automatically closing valves at each end of the accelerator tank, pick-up wheels and corona point supports of a new design, and valves in the stripper housing. These modifications result in improved operation reliability and a minimum of service interruptions.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 79-85"},"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)90852-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73046171","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
The VICKSI computer control system, concept and operating experience VICKSI计算机控制系统的概念和操作经验
Nuclear Instruments and Methods Pub Date : 1981-05-15 Epub Date: 2002-10-30 DOI: 10.1016/0029-554X(81)90878-8
W. Busse, H. Kluge, K. Ziegler
{"title":"The VICKSI computer control system, concept and operating experience","authors":"W. Busse,&nbsp;H. Kluge,&nbsp;K. Ziegler","doi":"10.1016/0029-554X(81)90878-8","DOIUrl":"10.1016/0029-554X(81)90878-8","url":null,"abstract":"<div><p>A description of the VICKSI computer-control system is given. It uses CAMAC modules as unique interface between accelerator devices and the computer. Through a high degree of standardisation only seven different types of CAMAC modules are needed to control the accelerator facility. The idea of having one module control one accelerator device minimizes the cabling and also the software requirements. The operation of the control system has proved to be very reliable causing less than 2% down time of the facility.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 275-279"},"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)90878-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"103359530","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
Recent experiences with the improved EGP-10-1 tandem at Rossendorf 最近在Rossendorf使用改进的EGP-10-1串联的经验
Nuclear Instruments and Methods Pub Date : 1981-05-15 Epub Date: 2002-10-30 DOI: 10.1016/0029-554X(81)90854-5
H. Matthes
{"title":"Recent experiences with the improved EGP-10-1 tandem at Rossendorf","authors":"H. Matthes","doi":"10.1016/0029-554X(81)90854-5","DOIUrl":"10.1016/0029-554X(81)90854-5","url":null,"abstract":"<div><p>Since the 4th Tandem Conference in 1978 we have spent considerable effort on the reconstruction of the vacuum system of the tandem EGP-10-1 and on the construction of a Middleton type sputter source. Operational results and preliminary test results concerning the sputter source are presented.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 93-96"},"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)90854-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80147419","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
Tests of specially treated carbon stripper foils under heavy ion bombardment 重离子轰击下特殊处理脱碳箔的试验
Nuclear Instruments and Methods Pub Date : 1981-05-15 Epub Date: 2002-10-30 DOI: 10.1016/0029-554X(81)90869-7
E. Ranzinger, P. Maier-Komor, H.J. Maier, H. Münzer
{"title":"Tests of specially treated carbon stripper foils under heavy ion bombardment","authors":"E. Ranzinger,&nbsp;P. Maier-Komor,&nbsp;H.J. Maier,&nbsp;H. Münzer","doi":"10.1016/0029-554X(81)90869-7","DOIUrl":"10.1016/0029-554X(81)90869-7","url":null,"abstract":"<div><p>Carbon stripper foils produced by vacuum evaporation were tested in the terminal of the MP-8 tandem accelerator. Conventionally floated and mounted foils served as standard stripper foils. Foils of the same kind were treated either by thermal radiation, electron bombardment of laser light (1.06 um) in order to modify their crystalline structure. Stripper lifetimes were determined as a function of type and thickness of the foils, beam current density, beam position on the foil and ion species. The special treatments of the foils prior to exposure to the beam resulted in considerably increased lifetimes. Foils of 5 um/cm<sup>2</sup> areal density treated by Nd:YAG laser light proved to be best and showed lifetimes increased by a factor 10 on the average as compared to standard foils.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 211-214"},"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)90869-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120274275","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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