Details
Observation of ν_μ→ν_e Oscillation in the T2K Experiment
Springer Theses
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96,29 € |
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| Verlag: | Springer |
| Format: | |
| Veröffentl.: | 24.12.2015 |
| ISBN/EAN: | 9784431558378 |
| Sprache: | englisch |
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Beschreibungen
<p>In this thesis the
author contributes to the analysis of neutrino beam data collected between 2010
and 2013 to identify ν<sub>μ</sub>→ν<sub>e </sub> events at the Super-Kamiokande detector. In particular,
the author improves the pion–nucleus interaction uncertainty, which is one of
the dominant systematic error sources inT2K neutrino oscillation measurement.
In the thesis, the measurement of ν<sub>μ</sub>→ν<sub>e<i> </i></sub> oscillation in the T2K (Tokai to
Kamioka) experiment is presented and a new constraint on δ<i><sub>CP</sub></i> is obtained. This
measurement and the analysis establish, at greater than 5σ significance, the
observation of ν<sub>μ</sub>→ν<sub>e </sub>oscillation for the first time in the world. Combining
the T2K ν<sub>μ</sub>→ν<sub>e </sub>oscillation measurement with the latest findings on oscillation
parameters including the world average value of θ13 from reactor experiments,
the constraint on the value of δ<i><sub>CP </sub></i>at the 90% confidence level is obtained.
This constraint on δ<i><sub>CP</sub></i> is an important step towards the discovery of CP
violation in the lepton sector. </p><p></p><p></p><p></p><p></p>
author contributes to the analysis of neutrino beam data collected between 2010
and 2013 to identify ν<sub>μ</sub>→ν<sub>e </sub> events at the Super-Kamiokande detector. In particular,
the author improves the pion–nucleus interaction uncertainty, which is one of
the dominant systematic error sources inT2K neutrino oscillation measurement.
In the thesis, the measurement of ν<sub>μ</sub>→ν<sub>e<i> </i></sub> oscillation in the T2K (Tokai to
Kamioka) experiment is presented and a new constraint on δ<i><sub>CP</sub></i> is obtained. This
measurement and the analysis establish, at greater than 5σ significance, the
observation of ν<sub>μ</sub>→ν<sub>e </sub>oscillation for the first time in the world. Combining
the T2K ν<sub>μ</sub>→ν<sub>e </sub>oscillation measurement with the latest findings on oscillation
parameters including the world average value of θ13 from reactor experiments,
the constraint on the value of δ<i><sub>CP </sub></i>at the 90% confidence level is obtained.
This constraint on δ<i><sub>CP</sub></i> is an important step towards the discovery of CP
violation in the lepton sector. </p><p></p><p></p><p></p><p></p>
Introduction.- Overview of the T2K experiment.- The Fine-Grained Detector.- Pion Interaction measurement at TRIUMF M11 Beamline.- Extraction of Pion Absorption and Charge Exchange Cross Section.- Improvement of pion interaction model.- Monte Carlo Simulation for the Oscillation Analysis.- Near Detector Measurement.- Far Detector Measurement.- Oscillation Analysis and Results.- Conclusion.
<p><p>In this thesis the</p><p>author contributes to the analysis of neutrino beam data collected between 2010</p><p>and 2013 to identify ν<sub>μ</sub>→ν<sub>e</sub> events at the Super-Kamiokande detector. In particular,</p><p>the author improves the pion–nucleus interaction uncertainty, which is one of</p><p>the dominant systematic error sources in T2K neutrino oscillation measurement.</p><p>In the thesis, the measurement of ν<sub>μ</sub>→ν<sub>e</sub> <i> </i>oscillation in the T2K (Tokai to</p><p>Kamioka) experiment is presented and a new constraint on δ<i><sub>CP</sub></i> is obtained. This</p>measurement and the analysis establish, at greater than 5σ significance, the</p><p>observation of ν<sub>μ</sub>→ν<sub>e</sub> oscillation for the first time in the world. Combining</p><p>the T2K ν<sub>μ</sub>→ν<sub>e</sub> oscillation measurement with the latest findings on oscillation</p>parameters including the world average value of θ13 from reactor experiments,<p></p><p>the constraint on the value of δ<i><sub>CP</sub></i> at the 90% confidence level is obtained.</p><p>This constraint on δ<i><sub>CP </sub></i>is an important step towards the discovery of CP</p><p>violation in the lepton sector.</p></p>
Nominated as an outstanding contribution by Kyoto University's Physics Department in 2013 Provides a detailed description of the fine-grained Summarizes the details of the complicated neutrino
oscillation analysis method, including the prediction of neutrino flux and
cross section Includes supplementary material: sn.pub/extras
oscillation analysis method, including the prediction of neutrino flux and
cross section Includes supplementary material: sn.pub/extras
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