c*****e 发帖数: 44 | 1 Haven't learned this part.
Any Daxia can explain a little bit? | S****f 发帖数: 30 | 2 That's what have been observed in the weak processes. Therefore, the
electroweak model which describes the weak interactions was built to be a
model where parity symmetry is totally broken. If you want to ask why parity
conservation is broken in nature, there may not be a consensus answer to it
. Some grand unified theories may answer this question. |
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