TY  - JOUR
AU  - Chatterjee, S. S.
AU  - Miranda, O. G.
AU  - Tortola, M.
AU  - Valle, J. W. F.
PY  - 2022
DA  - 2022//
TI  - Nonunitarity of the lepton mixing matrix at the European Spallation Source
T2  - Phys. Rev. D
JO  - Physical Review D
SP  - 075016
EP  - 16pp
VL  - 106
IS  - 7
PB  - Amer Physical Soc
AB  - If neutrinos get mass through the exchange of lepton mediators, as in seesaw schemes, the neutrino appearance probabilities in oscillation experiments are modified due to effective nonunitarity of the lepton mixing matrix. This also leads to new CP phases and an ambiguity in underpinning the "conventional" phase of the three-neutrino paradigm. We study the CP sensitivities of various setups based at the European Spallation Source neutrino super-beam (ESSnuSB) experiment in the presence of nonunitarity. We also examine its potential in constraining the associated new physics parameters. Moreover, we show how the combination of DUNE and ESSnuSB can help further improve the sensitivities on the nonunitarity parameters.
SN  - 2470-0010
UR  - https://arxiv.org/abs/2111.08673
UR  - https://doi.org/10.1103/PhysRevD.106.075016
DO  - 10.1103/PhysRevD.106.075016
LA  - English
N1  - WOS:000898616000007
ID  - Chatterjee_etal2022
ER  -