Stuck with Kaon Decay: Finding Ek of Pions

In summary, when a neutral kaon at rest decays into a pion- and pion+, the resulting pions have equal and opposite momenta and kinetic energies. Using conservation of energy and momentum, we can derive that the kinetic energy of each pion is equal to half of the difference between the kaon's energy and twice the rest energy of a pion. The rest energy of a pion is equal to half of the kaon's energy. This process can be applied to similar problems involving the decay of particles and finding their initial masses and velocities.
  • #36
fredrick08 said:
can i ask, if i have another similar qstn about a particle m that decays to m1 and m2 and given p1 and p2, and asked to find initial m and initial v... can i use the same process but this time using momentum conservation?

You will have to use both conservation of momentum and conservation of energy again.
 
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  • #37
ok thankyou = )
 

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