A simulation of the proposed MOMENT experiment estimates a 1 sigma precision of roughly 10 to 15 degrees on delta_CP, improving to about 12 degrees or better when MOMENT data are combined with DUNE and T2HK.
The possibility of leptonic CP-violation measurement with JUNO
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abstract
The existence of CP-violation in the leptonic sector is one of the most important issues for modern science. Neutrino physics is a key to the solution of this problem. JUNO (under construction) is the near future of neutrino physics. However CP-violation is not a priority for the current scientific program. We estimate the capability of $\delta_{\rm CP}$ measurement, assuming a combination of the JUNO detector and a superconductive cyclotron as the antineutrino source. This method of measuring CP-violation is an alternative to conventional beam experiments. A significance level of 3$\sigma$ can be reached for 22% of the $\delta_{\rm CP}$ range. The accuracy of measurement lies between 8$^{\rm o}$ and 22$^{\rm o}$. It is shown that the dominant influence on the result is the uncertainty in the mixing angle $\Theta_{23}$.
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Precision measurements on $\delta_\text{CP}$ in MOMENT
A simulation of the proposed MOMENT experiment estimates a 1 sigma precision of roughly 10 to 15 degrees on delta_CP, improving to about 12 degrees or better when MOMENT data are combined with DUNE and T2HK.