Atmosperic neutrino

  • #1

Main Question or Discussion Point

Why does pions(coming through atmosphere) decays into a muon and a muon neutrino, not directly into electron and lelectron neutrino?I know it's because splin angular momentum conservation...but I need to be more clear about it.
 

Answers and Replies

  • #2
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2
Actually some of the pions do decay directly into electron and anti-neutrino (or positron and neutrino). But the branching ratio for this process is very small- only about 1%.

To explain this, please read:http://hyperphysics.phy-astr.gsu.edu/hbase/particles/hadron.html" [Broken]

And Griffiths' book on particle physics also has a very good discussion.

Cheers.
 
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