Experimental observation of parametric x-ray emission
Adishchev Yu. N., Baryshevskii V. G., Vorob'ev S. A., Danilov V. A., Pak S. D., Potylitsyn A. P., Safronov P. F., Feranchuk I. D., Cherepitsa S. V.
This letter reports the first experimental observation of a new mechanism for x-ray emission by relativistic charged particles in crystals: parametric Vavilov-Cerenkov χ radiation.