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Properties Of The α-Particle Spark Counter

1949; Nature Portfolio; Volume: 163; Issue: 4144 Linguagem: Inglês

10.1038/163540a0

1476-4687

Ralph Connor,

Gyrotron and Vacuum Electronics Research

IT is the object of this communication to give a preliminary account of certain investigations of the Rosenblum-type spark counter for α-particles. In the course of this work it has been shown that the original wire-plate arrangement1 is a particular case of a more general type of counter in which the anode is a fine wire and the cathode may be convex, planar or concave with respect to the anode, all these counters operating in air at atmospheric pressure, with electrode separations of the order of 1 mm.