One of the paradoxes of physics is why parity is violated. Parity refers to the expected symmetry of behaviour (e.g. equal decay or reaction rates) for a particle and its mirror structure (spatial inversion). The problem for physics is that while parity is conserved for the electromagnetic and strong interactions, experiments showed it is violated for the weak decay. Combining parity and charge symmetry results in CP-symmetry, but that too is violated in kaons.

The *reason* for CP violation becomes clear with cordus: the particule has a finite span (the geometric distance between the two reactive ends) and the discrete fields at each end have a direction (charge) and hand (matter-antimatter differentiation) that is consistent for both reactive ends of any one particule. Nor are the two reactive ends energised simultaneously (except for the photon and even then in opposite directions). Thus a cordus particule is not symmetrical. Therefore mirroring the cordus particule does not result in an identical copy, hence charge-parity violation occurs. Cordus also explains why the CP violation only occurs at small scales: because this is the level at which the span becomes significant.

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