Speaker
Description
In this work, we focus on the complementarity between the two upcoming long-baseline experiments: DUNE and T2HK, in establishing the leptonic CP violation at 3$\sigma$ C.L. for atleast 75% of the Dirac CP phase ($\delta_{\mathrm{CP}}$). We find that DUNE + T2HK combinedly can achieve the desired CP coverage of 75% with only half of their individual nominal exposures, while independently, they both fail to attain the same even with full exposure. Further, we also elaborate on both individual and complementary performance in establishing CP coverage as a function of optimal choice of run-time, systematic uncertainties, and the subsequent effect of exposure in our study. We also explore the crucial role of disappearance mode in establishing the CP violation. We also incorporate the effect of having a probable second detector in Korea (T2HKK). We realize that although T2HKK has better sensitivity towards CP coverage than individual DUNE and T2HK, but it is still less than DUNE + T2HK, whatever be the octant of $\theta_{23}$.
| Session | Neutrino Physics |
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