Probing violation of CP&T invariance in the transitions of {\tau} leptons

The SM predicts zero value for CP & T violation in the decays of τ leptons except τ− → νKS[π −/π−π0...]. Our community could establish impact of New Dynamics (ND) in a CP asymmetry in a semi-hadronic τ transition and later in a second one. To be somewhat practical, I suggest to our experimental colleagues to probe τ− → νK̄0[π−/π−π0/π−η] & τ− → νK−[π0/π+π−/η]. While I had mostly given comments about CP violation in τ transitions, some theorists have shown how ND models could produce CP asymmetries; I will discuss these ones, although sometimes I am not a true theorist, but as a phenomenalist here. I can hardly ‘dream’ that CP asymmetry in τ decays could connected with our huge asymmetry in ‘our’ matter vs. anti-matter.

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