NDLI: R&D of residual gas beam profile monitor

Content Provider	IEEE Xplore Digital Library
Author	Ishida, R. Nakahama, Y. Aihara, H. Iwasaki, M. Kakuno, H. Noumi, H. Sato, Y. Toyoda, A.
Copyright Year	2004
Description	Author affiliation: Dept. of Phys., Tokyo Univ., Japan (Ishida, R.; Nakahama, Y.; Aihara, H.; Iwasaki, M.; Kakuno, H.)
Abstract	We have studied the residual gas beam profile monitor (RCBPM) for the J-PARC neutrino beamline, here the micro channel plate (MCP) is used as a read out device. We carried out the beam tests at the KEK-PS beamline to study the basic performance of the monitor. To check the capability of beam-profile measurement, we studied the properties of signal timing and the effect of electric field produced by the proton beam. We found that the ion collection is effective to avoid the beam induced background in a high beam background environment, and RGBPM works under the electric field produced by the beam itself of less than 20 kV/m. In addition, the gain calibration method of MCP has been developed using thermal electrons from the glowing wire. We found the gain of MCP is calibrated with an accuracy of better than 5%.
Starting Page	1798
Ending Page	1802
File Size	1564362
Page Count	5
File Format	PDF
ISBN	0780387007
ISSN	10823654
e-ISBN	0780387015
DOI	10.1109/NSSMIC.2004.1462592
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-16
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Research and development Monitoring Particle beams Neutrino sources Electrons Testing Calibration Wire Proton accelerators Space vector pulse width modulation
Content Type	Text
Resource Type	Article

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