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1 Deep Sea Neutrino Telescope Detection Principle.

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Presentation on theme: "1 Deep Sea Neutrino Telescope Detection Principle."— Presentation transcript:

1 1 Deep Sea Neutrino Telescope Detection Principle

2 2 Basic Properties of Neutrino Spin: ½ (fermion) Type: lepton Flavors: muonic, electronic, tau Masses: very small (different masses) Interactions: Weak, Gravitation Peculiarities: flavor oscillations Detection: only through interactions μ+ W+ u

3 3 Interaction Volume νμνμ Θ ν-μ μ Detector (Electromagnetic Interactions) Detection Principle Large Interactive Volume Efficient μ Detection μ-μ- νμνμ μ- W-W- d

4 4 Cherenkov Radiation

5 5 Properties

6 6 Photo-Sensor (Photomultiplier- PMT) Cherenkov Wavefront Experimental Principle Muon Trajectory Cherenkon Photon Path

7 7 PMT signals Muon Tracking

8 8 How clean ? How deep ? Cosmic μ background

9 9 Energy dependent Direction dependent Tracking Resolution Estimated by Monte Carlo Integration Effective Area Geometrical acceptance  Reconstruction Efficiency Good Tracking Resolution & Large Effective Area for all Energies and Directions


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