Behavior of TPCs in a high particle flux environment

TPCs (time projection chambers) used in E-810 at the AGS (alternating gradient synchrotron) were exposed to fluxes equivalent to more than 10/sup 7/ minimum ionizing particles per second to find if such high fluxes cause high changes or distortions of the electric field. Initial results of these and...

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Published in:IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States) 1992-08, Vol.39 (4), p.696-700
Main Authors: Etkin, A., Eiseman, S.E., Foley, K.J., Hackenburg, R.W., Longacre, R.S., Love, W.A., Morris, T.W., Platner, E.D., Saulys, A.C., Lindenbaum, S.J., Chan, C.S., Kramer, M.A., Zhao, K.H., Zhu, Y., Hallman, T.J., Madansky, L., Ahmad, S., Bonner, B.E., Buchanan, J.A., Chiou, C.N., Clement, J.M., Mutchler, G.S., Roberts, J.B.
Format: Article
Language:English
Subjects:
430303 - Particle Accelerators- Experimental Facilities & Equipment
440104 - Radiation Instrumentation- High Energy Physics Instrumentation
ACCELERATORS
BROOKHAVEN AGS
Cities and towns
Counting circuits
CYCLIC ACCELERATORS
Educational institutions
ELECTRIC FIELDS
Electrodes
Engineering
Engineering, Electrical & Electronic
Exact sciences and technology
FLUX DENSITY
HEAVY ION ACCELERATORS
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Ion beams
Laboratories
Nuclear and plasma sciences
Nuclear Science & Technology
Other topics in instruments, apparatus, components and techniques common to several branches of physics and astronomy
PARTICLE ACCELERATORS
PERFORMANCE TESTING
Physics
PLASMA
Position measurement
RELATIVISTIC PLASMA
Science & Technology
SYNCHROTRONS
Technology
TEST FACILITIES
TESTING
TIME PROJECTION CHAMBERS
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Summary:TPCs (time projection chambers) used in E-810 at the AGS (alternating gradient synchrotron) were exposed to fluxes equivalent to more than 10/sup 7/ minimum ionizing particles per second to find if such high fluxes cause high changes or distortions of the electric field. Initial results of these and other tests are presented and the consequences for the RHIC (relativistic heavy ion collider) TPC-based experiments are discussed. Measurements of distortions due to ion loading in the E-810 TPCs have been measured to be small even at very high effective particle fluxes. This results supports the use of TPCs at RHIC, even at the highest planned luminosity. In addition, measurement of two-vertex resolution and reconstruction efficiency at high track density showed that a TPC is an excellent detector for the RHIC.< >
ISSN:0018-9499
1558-1578
DOI:10.1109/23.159690