Electron and positron beams are collided, and pairs of tau leptons are produced. If the angular distribution

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Electron and positron beams are collided, and pairs of tau leptons are produced. If the angular distribution of the tau leptons varies as (1 + cos2 θ), what fraction of the tau lepton pairs will be captured in a detector that covers only the angles from 60° to 120°?
Distribution
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University Physics With Modern Physics

ISBN: 978-0073513881

2nd edition

Authors: Wolfgang Bauer, Gary Westfall

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