Future aspects of X-ray emission from crystal undulators at channeling of positrons

Backe, H. and Krambrich, D. and Lauth, W. and Buonomo, B. and Dabagov, S. B. and Mazzitelli, G. and Quintieri, L. and Lundsgaard Hansen, J. and Uggerhøj, U. I. and Azadegan, B. and Dizdar, A. and Wagner, W. (2011) Future aspects of X-ray emission from crystal undulators at channeling of positrons. Il nuovo cimento C, 34 (4). pp. 175-180. ISSN 1826-9885

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In connection with ideas to produce undulator-like radiation in the hundreds of keV up to the MeV region by means of positron and electron channeling, there is renewed interest to study various channeling phenomena also experimentally. With electrons experiments have been performed at the Mainz Microtron MAMI to explore channeling-radiation emission by a 4-period epitaxially grown strained layer Si1−xGex undulator with a period length of λu = 9.9 μm. Unfortunately, high-quality positron beams of sufficient intensity are not easily accessible. The only serious candidate in Europe seems to be the Beam Test Facility (BTF) at INFN/LNF, Frascati, Italy. Some requirements to extent BTF in a facility which is also well suited for positron channeling-radiation experiments will be outlined.

Item Type: Article
Uncontrolled Keywords: Radiation by moving charges ; Channeling phenomena (blocking, energy loss, etc.) ; Accelerators
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 07 Apr 2020 16:23
Last Modified: 07 Apr 2020 16:23
URI: http://eprints.bice.rm.cnr.it/id/eprint/17330

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