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Bunch coherence in parametric X-ray radiation

2002/08/05 by X. Artru, Xavier Artru, Artru, Xavier +3
Physics and Astronomy · #Accelerator Physics (physics.acc-ph) #Advanced X-ray Imaging Techniques #Crystallography and Radiation Phenomena #FOS: Physical sciences #Instrumentation and Detectors (physics.ins-det) #Laser-Plasma Interactions and Diagnostics #physics.acc-ph #physics.ins-det

paper · pdf · doi:10.48550/arxiv.physics/0208018

6 pages, no figure. Presented at NATO Advanced Research Workshop on Electron-Photon Interaction in Dense Media (Nor Hamberd, Armenia, 25-29 June, 2001)

arxiv created 2002/08/05 · openalex publication_date 2002/08/05 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The amplitude of Parametric X-ray radiation emitted coherently by a bunch of electrons crossing a crystal (CPXR) is calculated. When the bunch density is modulated with a longitudinal period close to the X-ray wavelenght, constructive many-electron interferences enhance the intensity by Nb * |F(K)|2, where Nb is the number of electrons in the bunch, F(K) the bunch form factor and K a specified wave vector. CPXR can be used to test the microbunching in a X-ray free-electron laser.

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