ueb0 - γ π 1 It is suFcient to give the total number...

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Astroparticle physics, 2011 Exercise 1 Give your name and return on Apr 18th. Problem 1: Pion decay Consider the decay of charged pions ( m π 139 , 6 MeV) to muons ( m μ 105 , 7 MeV). The dominant decay mode is π + μ + + ν μ for positive charges. a) Calculate the spectrum of muons assuming fast pions (
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Unformatted text preview: γ π ≫ 1 ). It is suFcient to give the total number of particles as well as the minimum and maximum energy. b) Can you set up an approximate formula that very much simpli±es the spectrum calculated under a)?...
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