Electronic display of two-track neutrino event

Electronic display of two-track neutrino event

A142/0160 Rights Managed

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Credit: DR LARRY SULAK/SCIENCE PHOTO LIBRARY

Caption: Electronic display of a two-track neutrino event in the IMB detector on 5.9.82. (For details of IMB detector & how to interpret display, see description of A142/156 & also A142/159 for details of this particular form of display as two hemispheres). The two- track neutrino produces a ring of light in each hemisphere, which is just the type of result the IMB physicists are looking for in the simplest type of proton decay (proton decays into positron & neutral pion). In a real proton decay event, the two rings of light would be precisely back-to-back, whereas in this event the ring in the right-hand hemisphere is off- centre, leading to the conclusion that this event is in fact caused by a two-track neutrino. (1982)

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Keywords: computer screen, cosmic ray, electronic display, imb detector, particle physics research, salt

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