Lorena Escudero (IFIC, Valencia) on behalf of the T2K collaboration
Lorena Escudero (IFIC, Valencia) on behalf of the T2K collaboration
Lorena Escudero (IFIC, Valencia) on behalf of the T2K collaboration
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The Far Detector: SKMu<strong>on</strong> neutrino event(νμ μ clear single ring)Electr<strong>on</strong> neutrino event(νe e EM shower, fuzzy ring)20Water Cherenkov detector.1 km deep underground.Cylindrical shape with 39 m ∅and 42 m height.Filled with 50 kt<strong>on</strong> <strong>of</strong> pure water(fiducial volume 22.5 kt<strong>on</strong>).PMTs: 11.146 in <strong>the</strong> inner regi<strong>on</strong>.Cherenkov phot<strong>on</strong>s reach PMTsand produce ring-shaped hit patternUsing <strong>the</strong> timing and chargeinformati<strong>on</strong>, <strong>the</strong> interacti<strong>on</strong> vertex,ring directi<strong>on</strong> and flavor <strong>of</strong> incomingparticle (from <strong>the</strong> sharpness <strong>of</strong> edge<strong>of</strong> ring) are determined.
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