Anomalous photoabsorption in the parametric X-rays in conditions of Cherenkov effect. It is shown that the emission yield can be increased substantially in conditions of
Cherenkov effect Cherenkov radiation in targets with broken azimuthal symmetry radiation along the azimuthal angle. The
effect of modulation of the angular distribution of
Cherenkov On X-ray sources based on Cherenkov and quasi-Cherenkov emission mechanismsA variety of possible schemes of X-ray sources based on
Cherenkov like emission mechanisms