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neutrino physics, experiments III – Atmosferic Neutrinos
João dos Anjos Centro Brasileiro de Pesquisas Físicas
Main Sources• Recent Conferences presentations:Recent Conferences presentations:
• Neutrino 2008Neutrino 2008 – Christchurch, New Zealand. – 25 -31 Mai 2008 – Christchurch, New Zealand. – 25 -31 Mai 2008• Neutrino 2006Neutrino 2006 – Santa Fe, U.S.A. – 13-19 June 2006 – Santa Fe, U.S.A. – 13-19 June 2006
• NuFact 08 – NuFact 08 – Valencia, Spain – 30 June – 4 July 2008Valencia, Spain – 30 June – 4 July 2008• NuFact 06 – NuFact 06 – Univ. Irvine, CA, U.S.A. – 24-30 August 2006 Univ. Irvine, CA, U.S.A. – 24-30 August 2006 • – – Workshop on Neutrino Factories, Superbeams & BetabeamsWorkshop on Neutrino Factories, Superbeams & Betabeams • CERN Summer Student School 2005CERN Summer Student School 2005 J.J. Gómez-Cadenas – IFIC/U. ValenciaJ.J. Gómez-Cadenas – IFIC/U. Valencia
Sources of Neutrinos:Sources of Neutrinos:Flux vs energyFlux vs energy
O.L.G.Peres
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FC – full containedPC – partially contained
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K2K - from KEK to Kamioka
• 12 GeV protons from accelerator (KEK) in Tsukuba city• Super-Kamiokande detector 250km away in Kamioka town
K2K confirms atmospheric oscillations
• The K2K accelerator based experiment observed muon-neutrino dissapearance that is consistent with the atmospheric deficit
1 kiloton water Cherenkov detector andscintillating fiber detector to measure neutrino flux and beam composition at KEK
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Final results from K2K (Kaneyuki)
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1 event1.7 B.G