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Probing the leptonic Dirac CP-violating phase in neutrino oscillation experiments.
- Source :
-
Physical Review D: Particles, Fields, Gravitation & Cosmology . Mar2013, Vol. 87 Issue 5, p1-8. 8p. - Publication Year :
- 2013
-
Abstract
- The discovery of leptonic CP violation is one of the primary goals of next-generation neutrino oscillation experiments, which is feasible due to the recent measurement of a relatively large leptonic mixing angle θ13. We suggest two new working observables ΔAmαβ = max [Acpαβ(ƍ)] - min[Acpαβ(ƍ)] and ΔAcpαβ(ƍ) = Acpαβ(ƍ) -- Acpαβ(0) to describe the CP-violating effects in long-baseline and atmospheric neutrino oscillation experiments. The former signifies the experimental sensitivity to the leptonic Dirac CP-violating phase ƍ and can be used to optimize the experimental setup, while the latter measures the intrinsic leptonic CP violation and can be used to extract ƍ directly from the experimental observations. Both analytical and numerical analyses are carried out to illustrate their main features. It turns out that an intense neutrino beam with sub-GeV energies and a baseline of a few 100 km may serve as an optimal experimental setup for probing leptonic CP violation. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 24700010
- Volume :
- 87
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- Physical Review D: Particles, Fields, Gravitation & Cosmology
- Publication Type :
- Periodical
- Accession number :
- 87344204
- Full Text :
- https://doi.org/10.1103/PhysRevD.87.053006