Channeling and radiation experiments at SLAC

Wienands, U.; Gessner, S.; Hogan, M. J.; Markiewicz, T.; Smith, T.; Sheppard, J.; Uggerhøj, U. I.; Nielsen, C. F.; Wistisen, T.; Bagli, E.; Bandiera, L.; Germogli, G.; Mazzolari, A.; Guidi, V.; Sytov, A.; Holtzapple, R. L.; McArdle, K.; Tucker, S.; Benson, B.

doi:10.1142/S0217751x19430061

Title: Channeling and radiation experiments at SLAC

Journal Article · 26 December 2019 · International Journal of Modern Physics A

DOI: https://doi.org/10.1142/S0217751x19430061 · OSTI ID:1605176

Wienands, U. ^[1]; Gessner, S. ^[2]; Hogan, M. J. ^[2]; Markiewicz, T. ^[2]; Smith, T. ^[2]; Sheppard, J. ^[2]; Uggerhøj, U. I. ^[3]; Nielsen, C. F. ^[3]; Wistisen, T. ^[3]; Bagli, E. ^[4]; Bandiera, L. ^[4]; Germogli, G. ^[4]; Mazzolari, A. ^[4]; Guidi, V. ^[4]; Sytov, A. ^[4]; Holtzapple, R. L. ^[5]; McArdle, K. ^[5]; Tucker, S. ^[5]; Benson, B. ^[6]

Argonne National Lab. (ANL), Argonne, IL (United States)
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Aarhus Univ. (Denmark)
Univ. of Ferrara (Italy). National Inst. for Nuclear Physics (‎INFN)
California State Polytechnic Univ., San Luis Obispo, CA (United States)
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

Since 2014, a SLAC-Aarhus-Ferrara-CalPoly collaboration augmented by members of ANL and MIT has performed electron and positron channeling experiments using bent silicon crystals at the SLAC End Station A Test Beam as well as the FACET accelerator test facility. These experiments have revealed a remarkable channeling efficiency of about 24% under our conditions. Volume reflection is even more efficient with almost the whole beam taking part in the reflection process. A positron experiment demonstrated quasi-channeling oscillations for the first time at high beam energy. In our most recent experiment we measured the spectrum of gamma radiation for crystal orientations covering channeling and volume reflection. We report this series of experiments supports the development of more advanced crystalline devices capable e.g. of producing narrow-band gamma rays with electron beams or studying the interaction of the electrons with the wakefields generated in the crystal at high beam intensity.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC); National Science Foundation (NSF); National Institute for Nuclear Physics (‎INFN)

Contributing Organization:: The SLAC T513–E212–T523 Collaboration

Grant/Contract Number:: AC02-76SF00515

OSTI ID:: 1605176

Journal Information:: International Journal of Modern Physics A, Journal Name: International Journal of Modern Physics A Journal Issue: 34 Vol. 34; ISSN 0217-751X

Publisher:: World ScientificCopyright Statement

Country of Publication:: United States

Language:: English

References (19)

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Cited By (2)

Channeling of electrons and positrons in straight and periodically bent diamond(110) crystals Pavlov, Alexander V.; Korol, Andrei V.; Ivanov, Vadim K. The European Physical Journal D, Vol. 74, Issue 2 https://doi.org/10.1140/epjd/e2019-100224-3	journal	February 2020
Channeling of electrons and positrons in straight and periodically bent diamond(110) crystals Pavlov, Alexander V.; Korol, Andrei V.; Ivanov, Vadim K. arXiv https://doi.org/10.48550/arxiv.1905.02098	text	January 2019

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