I have read that for a system of 2 particles, the total parity is given by:(adsbygoogle = window.adsbygoogle || []).push({});

[itex]P=P_1 P_2 (-1)^L[/itex] where

- [itex] P_1, P_2[/itex]= insisec parity of particle 1, 2

- L= relative angular moment

what's the meaning of "relative angular moment"? Do I have to add the [itex]l[/itex] numbers of the two particles? And what if I have 3 particles?

Many thanks

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# Parity of a system composed by 2 particles

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