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Breit Wigner Curve: Finding Reaction Rate from FWHM
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[QUOTE="Robsta, post: 5487156, member: 537462"] I also have a question about the second part of the question visible in the image above. The question is "Use symmetry to explain why the neutral rho meson does not decay to two neutral pion". My argument goes like this: The parity of neutral rho is (-1) (since L=0). The parity of a neutral pi is also (-1). Therefore the parity of two neutral pions is therefore 1. So parity would not be conserved. Also, the angular momentum of the neutral rho meson is 1 (L=0 S=1). And the angular momentum of the two neutral pions would be 0. So angular momentum would not be conserved. Is the parity argument valid since parity is not necessarily conserved by the weak interaction? Is it for some reason safe to assume that it is conserved here? [/QUOTE]
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Breit Wigner Curve: Finding Reaction Rate from FWHM
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