SUPER -KAMIOKANDE. Kamiokande = Kamioka Nucleon Decay Experiment. Topics of Discussion. Detector Super-Kamiokande Solar neutrinos Results . Properties of Super-K. A Large Water Cherenkov Detector for Cosmic Particles Size: Cylinder of 41.4m (Height) x 39,9m (Diameter)
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Kamiokande = Kamioka Nucleon Decay Experiment
The PMTs collect the pale blue light called Cherenkov light which is emitted by particles travelling faster as light in the water
It is possible to distinguish neutrinos from different reaction chains in the sun
So, where and how are neutrinos produced?
First step is combination of two protons
11H + 11H 21H + e+ +e
The cross-section for this process is very small at average proton energies in the core of the sun, however there is a huge number of protons available to react.
Deuterons so produced fuse with protons:
21H + 11H 32H +
32He + 32He 42He + 2 11H +
4 11H 42He +2 e+ +2 e +
74Be + e-73Li + e
73Li + 11H 2 42He
74Be + 11H 84Be + e+ + e
84Be 2 42He