p-beam monitoring system for CP LEAR

A monitoring system has been developed for the antiproton beam used in experiments on the CP violating decays of K/sup 0/ and anti-K/sup 0/ by the CP LEAR collaboration at LEAR, CERN. The beam position is measured by means of two small MWPCs. In each MWPC two anode wires, 8 mm apart, provide gas amp...

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Bibliographic Details
Published in:IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (USA) 1990-04, Vol.37 (2), p.53-55
Main Authors: van den Putte, M., van Eijk, C.W.E., Hollander, R.W., Johner, H.U., Santoni, C.
Format: Article
Language:English
Subjects:
430200 - Particle Accelerators- Beam Dynamics, Field Calculations, & Ion Optics
430303 - Particle Accelerators- Experimental Facilities & Equipment
430400 - Particle Accelerators- Storage Rings
440104 - Radiation Instrumentation- High Energy Physics Instrumentation
Anodes
BEAM MONITORS
BEAM POSITION
BOSONS
Cathodes
CERN
Collaboration
CP INVARIANCE
DECAY
ELEMENTARY PARTICLES
Gold
HADRONS
HIGH ENERGY PHYSICS
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
INTERNATIONAL ORGANIZATIONS
INVARIANCE PRINCIPLES
KAONS
KAONS NEUTRAL
LEAR
MEASURING INSTRUMENTS
MEASURING METHODS
MESONS
Monitoring
MONITORS
PARTICLE ACCELERATORS
Particle beam measurements
Particle beams
PARTICLE DECAY
PHYSICS
PSEUDOSCALAR MESONS
Solenoids
STRANGE MESONS
STRANGE PARTICLES
Strips
TEST FACILITIES
Wires
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Summary:A monitoring system has been developed for the antiproton beam used in experiments on the CP violating decays of K/sup 0/ and anti-K/sup 0/ by the CP LEAR collaboration at LEAR, CERN. The beam position is measured by means of two small MWPCs. In each MWPC two anode wires, 8 mm apart, provide gas amplification. The position of the beam is obtained from induced current signals on cathode strips. A small scintillator (diameter 7 mm, thickness 1 mm) gives a signal to be included in the trigger. The scintillation light is guided to a PM outside the solenoid by means of 5-m-long PMMA (plexiglass) fibers. The system is mounted on the beam pipe, close to the center of the experimental setup. The beam position resolution is better than 0.5 mm, and the time resolution is approximately=100 ps.< >
ISSN:0018-9499
1558-1578
DOI:10.1109/23.106591