If I'm not mistaken, measuring the [itex] \delta_{CP} [/itex] from the PMNS matrix may be done by comparing [itex] P(\nu_{\alpha} \rightarrow \nu_{\beta}) [/itex] to [itex] P(\overline{\nu_{\alpha}} \rightarrow \overline{\nu_{\beta}}) [/itex], where [itex] P(\nu_{\alpha} \rightarrow \nu_{\beta}) - P(\overline{\nu_{\beta}} \rightarrow \overline{\nu_{\alpha}}) [/itex] would give a term proportional to [itex]sin\delta_{CP}[/itex].(adsbygoogle = window.adsbygoogle || []).push({});

I've been trawling the net for ages but I've not found anything. Are there any measurements or constraints on what it could be yet?

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# Has the CP violating phase Delta in neutrino oscillation been measured at all?

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