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Citation bot (talk | contribs) Add: s2cid, author pars. 1-1. Removed parameters. Some additions/deletions were actually parameter name changes. | You can use this bot yourself. Report bugs here. | Suggested by Abductive | Category:Particle physics | via #UCB_Category 83/347 |
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CP-symmetry states that the laws of physics should be the same if a particle were interchanged with its antiparticle (C symmetry, as charges of antiparticles are the negative of the corresponding particle), and then left and right were swapped (P symmetry).
Experiments do not indicate any CP violation in the QCD sector. For example, a generic CP violation in the strongly interacting sector would create an [[electric dipole moment]] of the [[neutron]] which would be comparable to 10<sup>−18</sup> [[Elementary charge|e]]·[[Metre|m]] while [[neutron electric dipole moment|the current experimental upper bound]] is roughly one billionth that size.<ref>{{Cite journal |
===How CP can be violated in QCD===
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