Neutrino - way. A chlorine isotope will change to a...

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Neutrino The problem with neutrinos is that they have a very low probability of interacting with matter. A neutrino could pass through a light year of lead and not be stopped by any of the lead atoms! However, there are A LOT of neutrinos produced by the Sun. Take a look at your pinky finger. In one second several trillion neutrinos passed through your pinky (did you feel them?). Do not worry, the neutrinos did not damage anything. The great majority of neutrinos pass right through the materials around you. Homestake Gold Mine Neutrino Experiment (courtesy of R. Davis, Brookhaven National Laboratory ). A few of them will interact with some matter on the Earth. You can increase the odds of detecting a few of them by using a LARGE amount of a material that reacts with neutrinos in a certain
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Unformatted text preview: way. A chlorine isotope will change to a radioactive isotope of argon when a neutrino interacts with it. In the same way a gallium isotope will change to a radioactive isotope of germanium. Water molecules will give off a flash of light when struck by a neutrino. Neutrino detectors use hundreds of thousands of liters of of these materials in a container buried under many tens of meters of rock to shield the detectors from other energetic particles from space called cosmic rays. Even the largest detectors detect only a few dozen neutrinos in a year. Sudbury Neutrino Observatory Super-Kamiokande Neutrino Detector water tank showing the thousands of photon detectors each about the size of a beach ball....
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This note was uploaded on 12/15/2011 for the course AST AST1002 taught by Professor Emilyhoward during the Fall '10 term at Broward College.

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Neutrino - way. A chlorine isotope will change to a...

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