Van Allen Probes Bibliography is from August 2012 through September 2021 Notice:

Radial Diffusion of OuterZone Electrons: An Empirical Approach to ThirdInvariant Violation
Author  Lanzerotti, L.; Maclennan, C.; Schulz, Michael; 
Keywords  Radial Transport 
Abstract  The nearequatorial fluxes of outerzone electrons (E>0.5 Mev and E>1.9 Mev) measured by an instrument on the satellite Explorer 15 following the geomagnetic storm of December 17\textendash18, 1962, are used to determine the electron radial diffusion coefficients and electron lifetimes as functions of L for selected values of the conserved first invariant \textmu. For each value of \textmu, the diffusion coefficient is assumed to be timeindependent and representable in the form D = DnLn. The diffusion coefficients and lifetimes are then simultaneously obtained by requiring that the Ldependent reciprocal electron lifetime, as determined from the FokkerPlanck equation, deviate minimally from a constant in time. Applied to the data, these few assumptions yield a value of D that is smaller by approximately a factor of 10 than the value recently found by Newkirk and Walt in a separate analysis of 1.6Mev electron data obtained during the same time period on another satellite. The electron lifetimes are found to be strong functions of L, with 4 to 6day lifetimes observed at the higher L values (4.6\textendash4.8). 
Year of Publication  1970 
Journal  Journal of Geophysical Research 
Volume  75 
Number of Pages  53515371 
Section  
Date Published  10/1970 
ISBN  
URL  http://onlinelibrary.wiley.com/doi/10.1029/JA075i028p05351/abstract 
DOI  10.1029/JA075i028p05351 