Incoherent X-radiation produced by relativistic electrons in crystals |
| |
| Authors: | VB Gavrikov VP Likhachev JDT Arruda-Neto AL Bonini |
| |
| Institution: | (1) Kharkov Institute of Physics and Technology, 1 Akademishna 61108 Kharkov, Ukraine, UA;(2) Laboratório do Acelerador Linear, Instituto de Física da Universidade de S ao Paulo, CP66318, 05315-970 S ao Paulo, SP, Brazil, BR;(3) University of Santo Amaro/UNISA, Brazil, BR |
| |
| Abstract: | Differential and integral features of incoherent X-radiation, induced by relativistic electrons in crystals, are studied for
observation angles θγ several times greater than γ-1, where γ is the projectile Lorentz factor. The existence of sharp maxima and a minimum of the five-folded incoherent differential
cross-section as a function of the final electron angles, and a dip minimum when the cross-section is taken as a function
of the photon energies, is demonstrated. At near backward observation angles the three-folded cross-section shows a maximum
in the region of several keV photon energies. The obtained results allow us to optimize the conditions for coincidence experiments,
minimizing the incoherent contribution to the total radiation yield, and helping to analyse results of finite-size detector
experiments with crystal targets.
Received: 2 July 2001 / Accepted: 26 November 2001 |
| |
| Keywords: | PACS 41 75 Ht Relativistic electron and positron beams – 78 70 Ck X-ray scattering |
| 本文献已被 SpringerLink 等数据库收录！ |
|
