1. Toyota National College of Technology A.Takamura Collaboration with K.Kimura and T.Yoshikawa GLoBES 2007 Measuring the Leptonic CP Phase in Oscillations 1/24-1/26 at Heidelberg

2. Outline of this talk As a main result, degeneracy on CP phase can be solved GLoBES Three flavor effect in disappearance channel Energy and baseline length with large CP phase effect Recent MINOS results and deviation from maximal mixing

3. Recent MINOS results Atmospheric neutrino NuMI beam Results

4. Discovery potential of 1-3 mixing angle Double-Chooz experiment T2K experiment Well known result

5. Deviation from maximal 2-3 mixing angle Small parameter Correction by deviation Important point

6. Next explanation As a main result, degeneracy on CP phase can be solved GLoBES Three flavor effect in disappearance channel Energy and baseline length with large CP phase effect Recent MINOS results and deviation from maximal mixing

7. Three flavor effect such as CP violation Two small parameters Three kinds of corrections Important points

8. CP violation in superbeam experiment General feature on CP dependence Magnitude of each coefficient Unitarity relations Results

9. Estimation of Energy that CP violation is large Resonance energies Energy with large CP violation Effective masses Well known results

10. Next explanation As a main result, degeneracy on CP phase can be solved GLoBES Three flavor effect in disappearance channel Energy and baseline length with large CP phase effect Recent MINOS results and deviation from maximal mixing

11. Tool to study magnitude of CP violation Max and Min of probability Indices as a function No fake CP violation Results

12. Search of regions with large indices Region with large Parameter set

13. CP phase effect caused by CP even term Change of probability CP even term Results

14. Main result As a main result, degeneracy on CP phase can be solved Three flavor effect in disappearance channel Energy and baseline length with large CP phase effect Recent MINOS results and deviation from maximal mixing GLoBES

15. GLoBES software as a useful tool GLoBES software http://users.physik.tu-muenchen.de/globes/ PurposeExperimental setup

16. Usefulness of disappearance channel Electron only Muon only

17. 1-3 mixing dependence on CP phase Electron only Electron and Muon Results

18. Summary Large CP violation Region with largeResults