A charmed meson D 0 decays D 0 K - + at a distance from the
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A ‘charmed’ meson D0 decays D0→K- π + at a distance from the production point d=3 mm long. Measuring the total energy of the decay products one finds E=30 GeV. How long did the D live in proper time? How large is the π+ momentum in the D rest-frame?
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We must take into account that D is c...View the full answer
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Related Book For 
Introduction to Elementary Particle Physics
ISBN: 978-1107050402
2nd edition
Authors: Alessandro Bettini
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