Paper |
Title |
Page |
S04SRS08 |
VME Computer Monitoring System of KEK-PS Fast Pulsed Magnet Currents and Beam Intensities |
184 |
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- T. Kawakubo, A. Akiyama, T. Ishida, E. Kadokura
KEK, Ibaraki, Japan
- T. Ishida
Mitsubishi Electric Corporation, Tokyo, Japan
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For beam transfer from the KEK-PS Linac to the Booster synchrotron ring and from the Booster to the Main ring, many pulse magnets have been installed. It is very important for the machine operation to monitor the firing time, rising time and peak value of the pulsed magnet currents. It is also very important for magnet tuning to obtain good injection efficiency of the Booster and the Main ring, and to observe the last circulating bunched beam in the Booster as well as the first circulating in the Main. These magnet currents and beam intensity signals are digitized by a digital oscilloscope with signal multiplexers, and then shown on a graphic display screen of the console via a VME computer.
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DOI • |
reference for this paper
※ doi:10.18429/JACoW-ICALEPCS1991-S04SRS08
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About • |
Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 |
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S11LLC08 |
Non-Destructive Fast Data Taking System of Beam Profile and Momentum Spread in KEK-PS |
399 |
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- T. Kawakubo, T. Adachi, Y. Ajima, E. Kadokura
KEK, Ibaraki, Japan
- T. Ishida
Mitsubishi Electric Corporation, Tokyo, Japan
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A mountain view of beam profiles in a synchrotron ring can be taken without any beam destruction by collecting charged particles produced by the circulating beam hitting residual gas in the ring to a sensor. When a rectangular Micro Channel Plate with multi-anodes or lined-up electron multipliers is used as the sensor, the profiles can be measured within one acceleration period, even if the beam intensity is very low and the ring is kept in a high vacuum. We describe this non-destructive profile monitor (NDPM) as well as the momentum spread measurement system by a combination of two sets of NDPM.
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DOI • |
reference for this paper
※ doi:10.18429/JACoW-ICALEPCS1991-S11LLC08
|
|
About • |
Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 |
|
Cite • |
reference for this paper using
※ BibTeX,
※ LaTeX,
※ Text/Word,
※ RIS,
※ EndNote (xml)
|
|
|