Sudbury Neutrino Observatory Guide, Meaning , Facts, Information and Description
The Sudbury Neutrino Observatory (SNO) is located 6800 feet underground in an active nickel mine in Greater Sudbury, Ontario, Canada. The detector is designed to detect solar neutrinos with the Cherenkov effect resulting from extremely rare interactions on the deuterium nuclei in 1000 tonnes of heavy water in a spherical acrylic tank, surrounded by around 9600 light sensors called Photomultiplier Tubes (PMTs). Most PMTs are mounted on a geodesic sphere and look inward at the heavy water. The inner tank and the sensors sit inside a large tank of ordinary water.
This detector is large enough to statistically determine the arrival direction of neutrinos, and has the objectives of understanding the solar neutrino problem, neutrino oscillations and neutrino mass.
SNO is also capable of detecting a supernova that would explode in our galaxy.
The Sudbury Neutrino Observatory is a major setting in the Neanderthal Parallax trilogy by Canadian science fiction author Robert J. Sawyer.
Asteroid (14724) SNO is named in honor of the laboratory.
Other neutrino observatories
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