期刊
PHYSICAL REVIEW D
卷 105, 期 11, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.105.115014
关键词
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资金
- US Department of Energy (DOE) [de-sc0010143]
- NSF [PHY-1630782]
- Fermi Research Alliance, LLC (FRA) [DE-AC02-07CH11359]
- European Union's Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant [860881-HIDDeN]
This article investigates the scale dependence of neutrino mixing parameters and their observable consequences in experiments. It shows that the scale dependence of these parameters can lead to observable results in long-baseline neutrino oscillation experiments and neutrino telescopes, especially in the presence of relatively light new physics.
Neutrino mixing parameters are subject to quantum corrections and hence are scale dependent. This means that the mixing parameters associated with the production and detection of neutrinos need not coincide since these processes are characterized by different energy scales. We show that, in the presence of relatively light new physics, the scale dependence of the mixing parameters can lead to observable consequences in long-baseline neutrino oscillation experiments, such as T2K and Nova, and in neutrino telescopes like IceCube. We discuss some of the experimental signatures of this scenario, including zerobaseline flavor transitions, new sources of CP-invariance violation, and apparent inconsistencies among measurements of mixing angles at different experiments or oscillation channels. Finally, we present simple, ultraviolet-complete models of neutrino masses, which lead to observable running of the neutrino mixing matrix below the weak scale.
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