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talanum52
- 19
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- Homework Statement
- pi- =W-?
- Relevant Equations
- pi- = W- ?
They decay to identical particles but are they identical?
Can you list the properties of each of these particles?talanum52 said:Homework Statement:: pi- =W-?
Relevant Equations:: pi- = W- ?
They decay to identical particles but are they identical?
They don't have the same mass and spin. Because they decay to the same particles, there must be additional particles in their decay formulas, that isn't the same, because spin is a conserved quantity.topsquark said:Can you list the properties of each of these particles?
They do, indeed, have different masses. But why do you say they have different spins? They are both spin 1 bosons.talanum52 said:They don't have the same mass and spin. Because they decay to the same particles, there must be additional particles in their decay formulas, that isn't the same, because spin is a conserved quantity.
They decay to identical particles - that's why.vanhees71 said:I've no clue, how one can get to the idea they were the same particles to begin with.
Are decay products the same as their constituents?talanum52 said:They decay to identical particles - that's why.
I'm arguing that structure is conserved. Then the neutral pion's substructures cancel (not the energy).malawi_glenn said:Are decay products the same as their constituents?
Neutral pion decays into two photons, is the pion composed of photons?
It's an interesting idea, but it doesn't work well in practice. In fact, this example shows why you can't make this argument in general: the ##W^-## is a fundamental particle and does not have any structure to conserve. And as there are many ways in which it can decay it would be hard to say, just by looking at the daughters, what the original particle might have been before the decay. (Possible, of course, but hard.)talanum52 said:I'm arguing that structure is conserved. Then the neutral pion's substructures cancel (not the energy).
talanum52 said:I'm arguing that structure is conserved. Then the neutral pion's substructures cancel (not the energy).
Structure is the quantum numbers, mass, velocity and the space points and left out points that carries it. In my model of particles. It just seems conserved because this is the most economical.malawi_glenn said:Define "structure"and how/why it would be conserved.
This is personal theory, which is off limits here. Your legitimate question has been answered.talanum52 said:In my model of particles