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Characteristics of the Decay Phase of Proton Fluxes in Solar Events as a Function of Observer's Heliolongitude

机译:太阳活动中质子通量衰变阶段的特征与观测者日经度的关系

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摘要

Events in energetic solar protons with the energy > 4 MeV at the stage of their decay are considered for the period from 1974 to 2001. It is shown that in the events with the exponential shape of decay for west flares (relative to the observation point), the characteristic decay time τ and the power index γ of the energy spectrum decrease with an increase in the angular distance between the observer and the source of the particles on the Sun, while this effect is absent for east flares.
机译:1974年至2001年期间,考虑了能量衰变阶段能量大于4 MeV的高能太阳质子的事件。研究表明,在西耀斑(相对于观测点)具有指数衰减的事件中,随着太阳观测者与粒子源之间的角距离增加,特征衰变时间τ和能量谱的功率指数γ减小,而东部耀斑则没有这种效应。

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