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Solutions to Problems in
Chapter 17: Grand Unified Theories and the Solar Neutrino Problem
17.1. The mean free path of a particle is given as
Assuming an average density for the earth of 5×103 kg·m-3 and an average atomic weight of 50, the density of atoms
in the earth will be
17.2. For the process
This is given in terms of atomic masses as
Using tabulated masses we obtain the following:
AX