Performance of a Piston-Expanded Bubble Chamber
The development of the liquid hydrogen bubble chamber as a detector of high energy charged particles comes as a natural outgrowth of the work done by D. A. Glaser. Glaser’s work showed by experiment1 and theory2 that an ionizing particle passing through a superheated liquid leaves a track made up of bubbles, which are initiated by fluctuations of energy along the path. Hydrogen was selected as one possible bubble chamber fluid because of its high proton density and the interest in the interactions between charged particles in motion and protons at rest. Hildebrand and Nagle, at the University of Chicago, showed that liquid hydrogen was radiation sensitive.3
KeywordsExpansion Ratio Liquid Hydrogen Bubble Chamber Superheated Liquid Cryogenic Engineer
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