Measurements vs. Interactions: Tracks in a Wilson Cloud Chamber
We give the interpretation, within Quantum Mechanics, of the following experimental fact: when a decay produces an alpha wave in a Wilson cloud chamber filled with a supersaturated vapor, only one track of condensation points is seen (rectilinear if a non-magnetic field is present). The track is produced in a random direction.
We regard this as an example of the difference, in Quantum Mechanics, between interaction and measurement and as an instance of the measurement problem.
KeywordsMeasurement interaction tracks
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