Secondary electron time detector for mass measurements at CSRe

The Isochronous Mass Spectrometry is a high accurate mass spectrometer. A secondary electrons time detector has been developed and used for mass measurements. Secondary electrons from a thin carbon foil are accelerated by an electric field and deflected 180°by a magnetic field onto a micro-channel p...

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Published inChinese physics C Vol. 34; no. 3; pp. 363 - 367
Main Author 涂小林 王猛 胡正国 徐瑚珊 郭忠言 毛瑞士 肖国青 张宏斌 臧永东 岳珂
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.03.2010
Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China Graduate University of Chinese Academy of Sciences,Beijing 100049,China%Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China
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ISSN1674-1137
0254-3052
2058-6132
DOI10.1088/1674-1137/34/3/011

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Abstract The Isochronous Mass Spectrometry is a high accurate mass spectrometer. A secondary electrons time detector has been developed and used for mass measurements. Secondary electrons from a thin carbon foil are accelerated by an electric field and deflected 180°by a magnetic field onto a micro-channel plate. The time detector has been tested with alpha particles and a time resolution of 197 ps (FWHM) was obtained in the laboratory. A mass resolution around 8×10^-6 for Am/m was achieved by using this time detector in a pilot mass measurement experiment.
AbstractList The Isochronous Mass Spectrometry is a high accurate mass spectrometer. A secondary electrons time detector has been developed and used for mass measurements. Secondary electrons from a thin carbon foil are accelerated by an electric field and deflected 180°by a magnetic field onto a micro-channel plate. The time detector has been tested with alpha particles and a time resolution of 197 ps (FWHM) was obtained in the laboratory. A mass resolution around 8×10^-6 for Am/m was achieved by using this time detector in a pilot mass measurement experiment.
O4; The Isochronous Mass Spectrometry is a high accurate mass spectrometer.A secondary electrons time detector has been developed and used for mass measurements.Secondary electrons from a thin carbon foil are accelerated by an electric field and deflected 180° by a magnetic field onto a micro-channel plate.The time detector has been tested with alpha particles and a time resolution of 197 ps (FWHM) was obtained in the laboratory.A mass resolution around 8×10~(-6) for △m/m was achieved by using this time detector in a pilot mass measurement experiment.
Author 涂小林 王猛 胡正国 徐瑚珊 郭忠言 毛瑞士 肖国青 张宏斌 臧永东 岳珂
AuthorAffiliation Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China Graduate University of Chinese Academy of Sciences, Beijing 100049, China
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crossref_primary_10_1016_j_nima_2014_04_031
crossref_primary_10_1016_j_nima_2010_09_001
crossref_primary_10_1088_0031_8949_2015_T166_014009
Cites_doi 10.1007/s12043-999-0038-3
10.1016/S0168-9002(00)00445-9
10.1016/0029-554X(78)91032-7
10.1016/S0168-9002(96)00651-1
10.1088/1674-1137/33/7/003
10.1016/S0168-9002(02)00475-8
10.1016/j.nuclphysa.2003.11.003
10.1016/j.physletb.2004.02.014
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Keywords time of flight
CSRe
isochronous mass spectrometry
Language English
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isochronous mass spectrometry, time of flight, CSRe
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Snippet The Isochronous Mass Spectrometry is a high accurate mass spectrometer. A secondary electrons time detector has been developed and used for mass measurements....
O4; The Isochronous Mass Spectrometry is a high accurate mass spectrometer.A secondary electrons time detector has been developed and used for mass...
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SubjectTerms 偏转磁场
微通道板
时间分辨率
测量时间
电场加速
电子探测器
电子铝箔
质量测量
Title Secondary electron time detector for mass measurements at CSRe
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