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

J.J. Gómez-Cadenas

J.Raaf

J.Raaf

J.J. Gómez-Cadenas

J.J. Gómez-Cadenas

J.J. Gómez-Cadenas

J.Raaf

J.J. Gómez-Cadenas

FC – full containedPC – partially contained

J.Raaf

J.J. Gómez-Cadenas

J.J. Gómez-Cadenas

J.Raaf

J.Raaf

J.Raaf

------------------------------------------

---------------------------------------- -

......................

J.Raaf

J.Raaf

J.J. Gómez-Cadenas

J.J. Gómez-Cadenas

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

J.J. Gómez-Cadenas

J.J. Gómez-Cadenas

J.J. Gómez-Cadenas

J.J. Gómez-Cadenas

J.J. Gómez-Cadenas

Final results from K2K (Kaneyuki)

e

1 event1.7 B.G