Focusing of parametric X-ray radiation

Abstract

An idea of producing a focused parametric X-ray radiation (PXR) is presented. The PXR is emitted by relativistic charged particles channeling along a bent crystal. Then the PXR emitted from the whole length of the bent crystal is going to the focus. Some properties of focused PXR are estimated for typical experimental conditions and possible applications are discussed. The experiment for observation of focused PXR is proposed. 61.80.Cb, 61.85.+p, 41.50.+h

Observation of parametric X-rays produced by 400 GeV/c protons in bent crystals

“…The vacuum conditions should allow to observe also characteristic X-ray radiation of crystal atoms excited by protons. The energy of the characteristic radiation peak in silicon is 1.74 keV and its yield [10] should be comparable to the one in the PXR peaks. Furthermore, halo protons will pass through the crystal collimator very close to its surface in the case of perfect alignment.…”

“…The PXR generated by channeled particles in bent crystals has been considered in [10] where the possibility of the PXR focusing was discussed. The application of PXR for online diagnostics of the beam and the bent crystal state was proposed in [11].…”

Σύγκριση της κινηματικής και δυναμικής προσέγγισης της παραμετρικής ακτινοβολίας Χ ηλεκτρονίων 100-800 MeV

“…Τα πειράματα αυτά έχουν επιβεβαιώσει τα ενδιαφέροντα χαρακτηριστικά της συγκεκριμένης ακτινοβολίας και έχουν παράγει μια σειρά από συμπεράσματα για πιθανές εφαρμογές. Επιπλέον θεωρητικές εργασίες έχουν προτείνει πειραματικές διατάξεις μελέτης όπως η εστίαση ακτινοβολίας PXR που παράγεται από καναλισμένα ηλεκτρόνια σε κυρτούς κρυστάλλους [19].…”