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Large Format PMTs from Hamamatsu Photonics: 

Large Format PMTs from Hamamatsu Photonics Next Generation of Nucleon Decay and Neutrino Detectors Hamamatsu Photonics France Alex Birkel <Contents> What is Hamamatsu Photonics ?? Large Format Photomultiplier

Where is Hamamatsu Photonics ?: 

Hamamatsu City (Industrial city) Hamamatsu is a name of a city. HONDA, YAMAHA and SUZUKI (famous motor cycle companies) are located in the same area. Population : 600K Where is Hamamatsu Photonics ?

Hamamatsu Photonics: 

Hamamatsu Photonics Established : Sept 29, 1953 Net Sales : (2004) 62,245M yen Employees : 2,500 (As of Sept. 2004) Electron Tube Center Solid Sate Division System Division Laser Group Central Research Lab

Electron Tube Center: 

Electron Tube Center

Slide5: 

Products of the Electron Tube Center PMT’s PMT Modules Image Intensifiers Ion Detectors Fiber Optic Plates with Scintillator’s UV Spot Light Sources Microfocus X-Ray Sources X-Ray Image Intensifiers Scientific Light Sources

Large Format PMTs for Neutrino Experiments: 

Large Format PMTs for Neutrino Experiments Large Format PMT Lineup

R5912 (8 inch) R5912-02 (14-ST): 

Improved type of former R1408 R5912 (8 inch) R5912-02 (14-ST)

SNO at Sudbury/Canada: 

Heavy Water (1000 ton) in 12 m acrylic vessel (NaCl is included) Solar Neutrino Experiment Pure Water 9,600 pcs of R1408 30 m Solar neutrino = 66 billion/cm2・sec Solar neutrino = Electron neutrino SNO at Sudbury/Canada

MILAGRO at LANL/USA: 

Research for VHE gamma ray with its direction and energy < Location > The Jemez Mountains near Los Alamos New Mexico/USA R5912 VHE gamma => Shower in air => Cherenkov Large water pond MILAGRO at LANL/USA

R7081 (10 inch) R7081-20 (14-ST): 

Fits for 13 inch Glass Sphere R7081 (10 inch) R7081-20 (14-ST)

ICECUBE at the South Pole: 

the South Pole AMANDA ICECUBE Planned Location 1 km east Skyway ICECUBE at the South Pole Dome R7081-02 is a candidate PMT. IceCube is based upon work supported by the United States National Science Foundation under Grant Nos. OPP-9980474 (AMANDA) and OPP-0236449 (IceCube), University of Wisconsin-Madison.

ICECUBE at South Pole: 

ICECUBE at South Pole R7081-02 1500m 2000m

ANTARES at Marseille in the Mediterranean Sea: 

R7081-20 ANTARES at Marseille in the Mediterranean Sea 0.1Km2 as prototype

R8055 (13 inch): 

Fits for 17 inch Glass Sphere R8055 (13 inch)

NESTOR at Pilos/Greece in the Mediterranean Sea: 

R8055 (2 tubes) NESTOR at Pilos/Greece in the Mediterranean Sea

R3600-02 (20 inch): 

R3600-02 (20 inch)

SUPER-KAMIOKANDE Kamioka mine in Japan: 

20 inch PMT (11,200 pcs) 42 m 40 m ν e- => e- Atmospheric neutrino Muon neutrino => Tau neutrino SUPER-KAMIOKANDE Kamioka mine in Japan <Purpose> Neutrino Astronomy Neutrino Oscillation Proton Decay

SUPER-KAMIOKANDE Kamioka mine in Japan: 

Boat SUPER-KAMIOKANDE Kamioka mine in Japan

R7250 (20 inch): 

New electrode for fast timing. Effective area is 17 inch. R7250 (20 inch)

KamLAND at Kamioka mine in Japan: 

Liq. Scintillator (1000 ton) in 13 m dia. Balloon Stainless Steel Tank with 1,330 pcs R7250 and 550 pcs of R3600 Pure water with 250 pcs of R3600 Detection of neutrinos come from Nuclear Power Plants anti-electron neutrino KamLAND at Kamioka mine in Japan

SUMMARY: 

< Type numbers and Examples of Experiments > SUMMARY 8 inch R1408 : SNO / CANADA, LSND / LANL R5912 : MILAGRO / LANL, mini-Boone / FNAL R5912-02 : AMANDA / South-Pole 10 inch R7081-02 : ICECUBE / South-Pole R7081-20 : ANTARES (0.1km2) / Marseille 13 inch R8055 : NESTOR / Pilos/Greece 20 inch R7250 : KamLAND / Japan R3600-02 : SUPER-KAMIOKANDE / Japan ?? Inch XXXX : KM3 EXPERIMENT ?? Inch XXXX : Other New Experiments

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