Cascade model of the anomaly in blazar spectra at very high energiesстатья
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Дата последнего поиска статьи во внешних источниках: 27 января 2016 г.
Аннотация:It is well known that the effect of gamma-ray absorption on extragalactic background light (EBL) is weakly expressed in the spectra of some blazars. It is shown that a secondary component generated by electromagnetic cascades might considerably decrease the statistical significance of this anomaly. Observational results indicate the existence of the cascade component in the spectra of extragalactic gamma-ray sources, thus supporting the proposed model.