where a > 0. In this case for the conditions g12 (p, t) > 1 and g2 (P, t) >> g\ (p, t) the requested region of the momentum po ^ p ^ pm (t ) can be determined, where pm (t) is estimated from the equation gi (pm, t) = 1, i.e.,
At p ~ pm p) the momentum spectrum steepens sufficiently, so the value pm (t)
can be considered as an effective upper limit of accelerated particles momentum spectrum.
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