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Upgrade of the T2K near detector ND280: effect on oscillation and cross-section analysis
- Publication Year :
- 2018
-
Abstract
- The T2K neutrino oscillation experiment established the $\nu_\mu \rightarrow \nu_e$ appearance with only $10\%$ of the original beam request of $7.8\times10^{21}$ $30$ GeV protons on target (POT). In view of the J-PARC program of upgrades of the beam intensity, the T2K-II proposal for $20\times10^{21}$ POT aimed at establishing CP violation at $3\sigma$ level for a significant fraction of the possible $\delta_{CP}$ values. The Hyper-K proposal consists of a further increase by a factor $10$ of the far detector mass. Facing the potential increase of statistics by two orders of magnitude, it is of great importance to undertake a vigorous program of near detector upgrade, with the aim of reducing the overall statistical and systematic uncertainties at the appropriate level of better than $4\%$. The design and performance of the proposed upgraded near-detector will be reported in these proceedings.<br />Comment: 6 pages, LaTeX, 6 figures, proceedings of NuFact 2017 (Uppsala, Sweden, 25-30 September 2017)
- Subjects :
- Physics - Instrumentation and Detectors
High Energy Physics - Experiment
Subjects
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.1803.02645
- Document Type :
- Working Paper