The
Sudbury Neutrino Observatory, or SNO for short, is located over a mile underground in an old mine near
Sudbury,
Ontario,
Canada. The detector, made of
heavy water, is designed to detect cosmic
neutrinos, with the objectives of understanding the
solar neutrino problem and
neutrino mass[?].
The SNO site is http://www.sno.phy.queensu.ca/