A pion traveling at speed v decays into a muon and a neutrino, л - µ¯ + √₂. If the neutrino emerges at 90° to the original pion direction, at what angle does the è come off? [Answer: tane= (1 − m²/m²)/(2By²).]
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![3.15 A pion traveling at speed v decays into a muon and a neutrino, ´¯` −→ µ¯ + ¯µ. If the
neutrino emerges at 90° to the original pion direction, at what angle does the come
off? [Answer: tane = (1 - m²/m²)/(2By2²).]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F775c65b2-d298-4974-84c2-1b9ec352df93%2F7b576e7e-135f-4160-a668-261c4cb096ec%2Fp6fitk_processed.png&w=3840&q=75)
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