E - Carleton University

Solar Neutrino Problem
• Historically the first culprit was assumed to be the
method of determining the solar ν flux.
• In fact, the last 30 years showed that the SSM provides
and accurate description of the macroscopic properties
of our Sun.
• The mass, radius, shape, luminosity, age, chemical
composition, and photon spectrum of the Sun are
precisely determined and used as input parameters.
• Equation of state relates pressure and density; while
the radiative opacity dictates photon transport.
• Experimental fusion cross sections used to determined
the nuclear reaction rates.
FAAQ2006 Alain Bellerive 37