Azimuthal spread of the avalanche in proportional counters [electronic resource].
- Upton, N.Y. : Brookhaven National Laboratory, 1978. and Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
- Physical Description:
- Pages: 3 : digital, PDF file
- Additional Creators:
- Brookhaven National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
- Restrictions on Access:
- Free-to-read Unrestricted online access
- The angular distribution of the avalanche around the anode wire is determined measuring the distribution of positive ions arriving on cathode strips surrounding the anode, for each single event. The width is typically 50/sup 0/ to 100/sup 0/ FWHM, in the proportional mode of operation; larger values are obtained at high gas gain. The angular distribution also depends on the anode wire diameter, the gas mixture and the space charge density in the avalanche. The factors determining the avalanche distribution around the wire and their importance for counter application, e.g., high rate behavior, signal formation and fast measurement of drift angle are discussed.
- Published through SciTech Connect., 01/01/1978., "bnl-24411", " conf-781033-1", IEEE nuclear science symposium, Washington, DC, USA, 18 Oct 1978., and Fischer, J.; Radeka, V.; Okuno, H.; Walenta, A.H.
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