where A0 = 1.5 x 10 cm is the transport path for scattering of particles with R = 1 GV at the distance from the Sun r = ri, where r = 1 AU is the radius of the Earths orbit.
In Fig.3.7.1 the dependence is shown of the value of u/u on the distance r/r1 at u1 = 3 x107 cm/sec and the density of solar wind particles N1 = 5 cm-3 at the Earth's orbit for a spectrum described by Eq. 3.7.7 with y = 1.5. Curves 1, 2, 3 correspond to the values of Ek,min = 0.1, 0.01, and 0.001 GeV, and ¡3= 0.
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