Suggest the reason why, in PET scanning, it is important that the positron meets an electron within

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Suggest the reason why, in PET scanning, it is important that the positron meets an electron within a very short distance from its point of emission.

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Cambridge International AS And A Level Physics Coursebook

ISBN: 9781108859035

3rd Edition

Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside

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