G-parity

（重定向自G Parity）

In theoretical physics, G-parity is a multiplicative quantum number that results from the generalization of C-parity to multiplets of particles.

C-parity applies only to neutral systems; in the pion triplet, only π has C-parity. On the other hand, strong interaction does not see electrical charge, so it cannot distinguish amongst π, π and π. We can generalize the C-parity so it applies to all charge states of a given multiplet:

单词	G Parity
释义	G Parity 英语百科 G-parity （重定向自G Parity） In theoretical physics, G-parity is a multiplicative quantum number that results from the generalization of C-parity to multiplets of particles. C-parity applies only to neutral systems; in the pion triplet, only π has C-parity. On the other hand, strong interaction does not see electrical charge, so it cannot distinguish amongst π, π and π. We can generalize the C-parity so it applies to all charge states of a given multiplet:
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