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Can anyone explain why a positron, in a charged magnetic field, is able to go through a 6mm lead plate, as seen in Anderson's positron experiment?
Initially I thought that it could be quite similar to the gold foil experiments, but one of the features of the gold foil experiments is that it is using a VERY thin sheet of gold.
From what I understand lead, especially lead that thick, has the ability to not easily allow particles through.
Am I taking the wrong approach?
http://en.wikipedia.org/wiki/File:PositronDiscovery.jpg
Initially I thought that it could be quite similar to the gold foil experiments, but one of the features of the gold foil experiments is that it is using a VERY thin sheet of gold.
From what I understand lead, especially lead that thick, has the ability to not easily allow particles through.
Am I taking the wrong approach?
http://en.wikipedia.org/wiki/File:PositronDiscovery.jpg
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