Stuck with Kaon Decay: Finding Ek of Pions

[fredrick08]

so T=(Ekaon-2Eo(pi))/2=109.25MeV?

 

[Cyosis]

Correct, how many gammas and speeds did we have to calculate to arrive at this result?

 

[fredrick08]

yes sorry, i apologize for my stupid behavior, thanks very much, you are very good at explaining things = )

 

[fredrick08]

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?

 

[Cyosis]

You're welcome and no need to apologize. I would suggest you teach yourself a solid problem solving method however. Always list all the variables, knowns and unknowns then use the appropriate equations. Try to find relations between the variables and eliminate them one by one. Also don't make it harder than it has to be, for example you can write T or (\gamma-1)mc^2. Since they ask for T here don't write it out, it will only complicate things.

 

[Cyosis]

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.

 

[fredrick08]

ok thankyou = )