Investigations about the critical radius of the BF3 counters

Investigations about the critical radius of the BF3 counters

No critical radius is found in the investigated BF3 proportional counter. Alpha-particles are introduced parallel with the anode into the mica end-window counter filled with BF3-gas at 150 Hgmm, and the radial change of the number of impulses is thus studied. In the counter filled with BF3- gas at 1...

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Veröffentlicht in:Nuclear instruments & methods 1961-01, Vol.10 (C), p.121-124
Hauptverfasser: Csikai, J., Molnár, E., Schlenk, B.
Format: Artikel
Sprache:eng
Schlagworte:
ALPHA PARTICLES
AMPLIFIERS
ANODES
BORON FLUORIDES
COUNTERS
CRITICALITY
ELECTRONIC EQUIPMENT
ENGINEERING AND EQUIPMENT
MICA
PRESSURE
PULSES
STATISTICS
WINDOWS
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Zusammenfassung:No critical radius is found in the investigated BF3 proportional counter. Alpha-particles are introduced parallel with the anode into the mica end-window counter filled with BF3-gas at 150 Hgmm, and the radial change of the number of impulses is thus studied. In the counter filled with BF3- gas at 150 and 300 Hgmm, the integral amplitude distribution is investigated as a function of electronic amplification at various distances of the source from the anode.
ISSN:0029-554X
DOI:10.1016/S0029-554X(61)80091-8