Precision measurements and tau neutrino physics in a future accelerator neutrino experiment

Abstract

We investigate prospects of building a future accelerator-based neutrino oscillation experiment in China, including site selection, beam optimization and tau neutrino physics aspects. CP violation, non-unitary mixing and non-standard neutrino interactions are discussed. We simulate neutrino beam setups based on muon and beta decay techniques and compare Chinese laboratory sites by their expected sensitivities. A case study on Super Proton-Proton Collider and China JinPing Laboratory is also presented. It is shown that the muon-decay-based beam setup can measure the Dirac CP phase by about 14.2${}^{\circ }$ precision at 1$\sigma$ CL, whereas non-unitarity can be probed down to $|{\alpha }_{ij}|\lesssim$ 0.37 ($i\ne j=$ 1, 2, 3) and non-standard interactions to $|{\epsilon }_{\ell {\ell }^{\prime }}^m|\lesssim$ 0.11 ($\ell \ne {\ell }^{\prime }=e$, $\mu$, $\tau$) at 90% CL, respectively.

35 pages, 7 figures and 5 tables; matches the published version

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Cited by in corpus (5)

• The Type-I Seesaw family
• Theoretical and Experimental Challenges in the Measurement of Neutrino Mass
• Study on SiPM performance at low temperatures between $-60^{\circ }$C and $-20^{\circ }$C
• Leptonic neutral-current probes in a short-distance DUNE-like setup
• Testing lepton non-unitarity with the next generation of Germanium-based CE$\nu$NS reactor experiments