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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 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
The basic laws of the statistical weak beam dynamics and the transport theory of the higher-order envelope matrix 统计弱束动力学的基本规律和高阶包络矩阵的输运理论
Nuclear Instruments and Methods Pub Date : 1981-05-15 DOI: 10.1016/0029-554X(81)90877-6
Cao Qiing-xi
{"title":"The basic laws of the statistical weak beam dynamics and the transport theory of the higher-order envelope matrix","authors":"Cao Qiing-xi","doi":"10.1016/0029-554X(81)90877-6","DOIUrl":"10.1016/0029-554X(81)90877-6","url":null,"abstract":"<div><p>The laws of beam dynamics governing the weak beam transport in a six-dimensional geometric phase-space and in the appropriate higher-order phase-space are proven by means of the statistics, and the general equations of motion of the higher-order envelope matrix are derived.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 269-274"},"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)90877-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90101315","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 12 UD pelletron accelerator at the University of Tsukuba 筑波大学的12 UD粒子加速器
Nuclear Instruments and Methods Pub Date : 1981-05-15 DOI: 10.1016/0029-554X(81)90858-2
Seiji Seki, Kohei Furuno, Toyoyuki Ishihara, Yasuo Nagashima, Mikio Yamanouchi, Takayoshi Aoki, Takashi Mikumo, Junpei Sanada
{"title":"The 12 UD pelletron accelerator at the University of Tsukuba","authors":"Seiji Seki,&nbsp;Kohei Furuno,&nbsp;Toyoyuki Ishihara,&nbsp;Yasuo Nagashima,&nbsp;Mikio Yamanouchi,&nbsp;Takayoshi Aoki,&nbsp;Takashi Mikumo,&nbsp;Junpei Sanada","doi":"10.1016/0029-554X(81)90858-2","DOIUrl":"10.1016/0029-554X(81)90858-2","url":null,"abstract":"<div><p>The 12 UD Pelletron installed at the Tandem Accelerator Center of the University of Tsukuba has been in operation for nearly four years. The installation of the accelerator is described and the operational experience with the accelerator and associate facilities are summarized.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 113-120"},"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)90858-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75644047","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
A review of the performance and physical characteristics of carbon stripper foils made by the glow discharge process 综述了辉光放电法制备的脱碳箔的性能和物理特性
Nuclear Instruments and Methods Pub Date : 1981-05-15 DOI: 10.1016/0029-554X(81)90868-5
N.R.S. Tait
{"title":"A review of the performance and physical characteristics of carbon stripper foils made by the glow discharge process","authors":"N.R.S. Tait","doi":"10.1016/0029-554X(81)90868-5","DOIUrl":"10.1016/0029-554X(81)90868-5","url":null,"abstract":"<div><p>A review is given of production methods, irradiation behaviour and lifetime and some physical characteristics of glow discharge foils prepared and tested at a number of laboratories. Results are summarised of hydrogen content determinations and of crystallographic studies of irradiated and non-irradiated materials.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 203-210"},"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)90868-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89944519","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: 15
The computer monitor and control system for the munich MP tandem accelerator 慕尼黑MP串列加速器的计算机监控系统
Nuclear Instruments and Methods Pub Date : 1981-05-15 DOI: 10.1016/0029-554X(81)90879-X
H. Mörchen, J. Off, L. Rohrer, H. Schnitter
{"title":"The computer monitor and control system for the munich MP tandem accelerator","authors":"H. Mörchen,&nbsp;J. Off,&nbsp;L. Rohrer,&nbsp;H. Schnitter","doi":"10.1016/0029-554X(81)90879-X","DOIUrl":"10.1016/0029-554X(81)90879-X","url":null,"abstract":"<div><p>Presently a computer monitor and control system for the Munich MP tandem accelerator is being developed. It is based on a PDP-11/34 with disc units, DEC-tapes, and an interactive graphic terminal. The accelerator is connected to the system via CAMAC hardware. A monitor program takes all data and stores the accelerator status in the memory and in a direct access file. A logbook file is created and the logbook is printed. During test-runs subsystems of the accelerator have been controlled. A beam transport program controlling a quadrupole doublet and optimizing the beam current measured at a Faraday cup was operated successfully.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 281-284"},"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)90879-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73660188","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 picosecond bunching system at the Munich MP tandem accelerator 慕尼黑MP串联加速器的皮秒聚束系统
Nuclear Instruments and Methods Pub Date : 1981-05-15 DOI: 10.1016/0029-554X(81)90866-1
W. Wagner, R. Zierl, P. Kienle, H.J. Körner, K.E. Rehm, P. Sperr, L. Rohrer
{"title":"The picosecond bunching system at the Munich MP tandem accelerator","authors":"W. Wagner,&nbsp;R. Zierl,&nbsp;P. Kienle,&nbsp;H.J. Körner,&nbsp;K.E. Rehm,&nbsp;P. Sperr,&nbsp;L. Rohrer","doi":"10.1016/0029-554X(81)90866-1","DOIUrl":"https://doi.org/10.1016/0029-554X(81)90866-1","url":null,"abstract":"<div><p>A picosecond bunching system has been installed at the Munich MP tandem accelerator. The performance of the system was tested with heavy ions. Time resolutions as low as 50 ps (fwhm) for <sup>16</sup>O were achieved with Si-surface barrier detectors. Examples of the mass resolution of reaction products from heavy ion induced reactions are given.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 195-196"},"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)90866-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134840434","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
Strasbourg MP 10-report 斯特拉斯堡MP 10报道
Nuclear Instruments and Methods Pub Date : 1981-05-15 DOI: 10.1016/0029-554X(81)90849-1
J.C. Oberlin, M. Letournel, G. Heng
{"title":"Strasbourg MP 10-report","authors":"J.C. Oberlin,&nbsp;M. Letournel,&nbsp;G. Heng","doi":"10.1016/0029-554X(81)90849-1","DOIUrl":"10.1016/0029-554X(81)90849-1","url":null,"abstract":"<div><p>Since the Ebeltoft meeting, the MP-10 has run essentially for research at normal running specifications up to 13 MV for the first year. The belt is still a standard HVEC belt but mounted in a half open structure. It has accumulated more than 9000 h. Since August 1979, the time has been mainly devoted to our up-grading project and problems associated with this.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 61-66"},"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)90849-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73172797","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: 3
Guidelines for the Orsay MP tandem post-accelerator project Orsay MP串联加速器后项目指南
Nuclear Instruments and Methods Pub Date : 1981-05-15 DOI: 10.1016/0029-554X(81)90872-7
M. Langevin
{"title":"Guidelines for the Orsay MP tandem post-accelerator project","authors":"M. Langevin","doi":"10.1016/0029-554X(81)90872-7","DOIUrl":"10.1016/0029-554X(81)90872-7","url":null,"abstract":"<div><p>An outline is given of the Orsay project for a tandem postaccelerator</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 227-228"},"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)90872-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83654699","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
On the 16 MV XTU tandem of the laboratori nazionali di legnaro
Nuclear Instruments and Methods Pub Date : 1981-05-15 DOI: 10.1016/0029-554X(81)90846-6
R.A. Ricci, C. Signorini
{"title":"On the 16 MV XTU tandem of the laboratori nazionali di legnaro","authors":"R.A. Ricci,&nbsp;C. Signorini","doi":"10.1016/0029-554X(81)90846-6","DOIUrl":"10.1016/0029-554X(81)90846-6","url":null,"abstract":"<div><p>A report on the present status of the XTU tandem installation in Legnaro (Padova) is presented. The building and the technical and electric plants are almost completed. The 150 kV injector has been preliminary tested with a sputter source for <sup>12</sup>C, <sup>32</sup>S, and <sup>63</sup>Cu negative ions. The SF<sub>6</sub> gas handling system (gaseous phase storing) has been completely installed and tested. The laddertron charging system was able to deliver 400 uA per chain (up charge + down charge) according to the specifications. The column structure has been successfully tested up to 20 MV, as guaranteed, with +7.3 bar pure SF<sub>6</sub> and −55°C dew point. The accelerator tubes have therefore been installed and will be tested in November 1980. The beam transport provided by standard HVEC high energy extension, a 90° analyzing magnet (<em>B</em><sub><em>ϱ</em></sub> = 3.1 T m) and a switching magnet with seven left- and seven right- side exit ports has also been completed. The instrumentation connected with the beam lines will already be equipped with a pulsing system (1 ns) and with different experimental devices for heavy ion detection, γ, and neutron spectroscopy, and mass spectrometry facilities.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 35-47"},"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)90846-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82775659","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
Polarized heavy ion beams at tandem accelerators 双列加速器的极化重离子束
Nuclear Instruments and Methods Pub Date : 1981-05-15 DOI: 10.1016/0029-554X(81)90864-8
E. Steffens
{"title":"Polarized heavy ion beams at tandem accelerators","authors":"E. Steffens","doi":"10.1016/0029-554X(81)90864-8","DOIUrl":"10.1016/0029-554X(81)90864-8","url":null,"abstract":"<div><p>The production of negative polarized heavy ions and their acceleration by tandem accelerators is reviewed. Particular emphasis is given to the polarized lithium and sodium beams at the Heidelberg EN tandem. The problem of depolarization of an incompletely-stripped beam is discussed using experimental results on the <span><math><mtext>Na</mtext></math></span> beam as an example. The advantages involved in using tandems with high terminal voltages for the acceleration of polarized ion beams heavier than lithium is stressed.</p></div>","PeriodicalId":100971,"journal":{"name":"Nuclear Instruments and Methods","volume":"184 1","pages":"Pages 173-185"},"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)90864-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75788663","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: 36
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