Conservation of the first and second adiabatic invariants

Changes expected in the energy and equatorial pitch angles of geomagnetically trapped particles are calculated, assuming the flrst and second adiabatic invariants are conserved and the third invariant is violated.Sample calculations are compared to experimental results, and it is concluded that this mechanism may be of importance in producing the observed distribution of 1 MeV electrons, but cannot be coupled with the polar cap neutron albedo source to explain the observed distribution of 1 Mev to 100 MeV protons.The figures presented aid in distinguishing changes produced by the violation of the third invariant from changes .