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Title: Electron channeling radiation experiments at very high electron bunch charges

Abstract

Plasmas offer the possibility of high acceleration gradients. An intriguing suggestion is to use the higher plasma densities possible in solids to get extremely high gradients. Although solid-state plasmas might produce high gradients they would pose daunting problems. Crystal channeling has been suggested as one mechanism to address these challenges. There is no experimental or theoretical guidance on channeling for intense electron beams. A high-density plasma in a crystal lattice could quench the channeling process. An experiment has been carried out at the Fermilab NICADD Photoinjector Laboratory to observe electron channeling radiation at high bunch charges. An electron beam with up to 8 nC per electron bunch was used to investigate the electron-crystal interaction. No evidence was found of quenching of channeling at charge densities two orders of magnitude larger than that in earlier experiments.

Authors:
; ; ; ; ; ; ;  [1];  [2];  [3]
  1. Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States)
  2. (Germany)
  3. (South Africa)
Publication Date:
OSTI Identifier:
20640492
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. A; Journal Volume: 68; Journal Issue: 6; Other Information: DOI: 10.1103/PhysRevA.68.062901; (c) 2003 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; 36 MATERIALS SCIENCE; ACCELERATION; CHARGE DENSITY; CRYSTAL LATTICES; CRYSTALS; ELECTRON BEAMS; ELECTRON CHANNELING; ELECTRONS; FERMILAB; PLASMA DENSITY; QUENCHING; SOLID-STATE PLASMA; SOLIDS

Citation Formats

Carrigan, R.A. Jr., Freudenberger, J., Fritzler, S., Genz, H., Richter, A., Ushakov, A., Zilges, A., Sellschop, J.P.F., Institut fuer Kernphysik, Technische Universitaet Darmstadt, Schlossgartenstrasse 9, D-64289 Darmstadt, and Schonland Centre, University of the Witwatersrand, 2050 Johannesburg. Electron channeling radiation experiments at very high electron bunch charges. United States: N. p., 2003. Web. doi:10.1103/PhysRevA.68.062901.
Carrigan, R.A. Jr., Freudenberger, J., Fritzler, S., Genz, H., Richter, A., Ushakov, A., Zilges, A., Sellschop, J.P.F., Institut fuer Kernphysik, Technische Universitaet Darmstadt, Schlossgartenstrasse 9, D-64289 Darmstadt, & Schonland Centre, University of the Witwatersrand, 2050 Johannesburg. Electron channeling radiation experiments at very high electron bunch charges. United States. doi:10.1103/PhysRevA.68.062901.
Carrigan, R.A. Jr., Freudenberger, J., Fritzler, S., Genz, H., Richter, A., Ushakov, A., Zilges, A., Sellschop, J.P.F., Institut fuer Kernphysik, Technische Universitaet Darmstadt, Schlossgartenstrasse 9, D-64289 Darmstadt, and Schonland Centre, University of the Witwatersrand, 2050 Johannesburg. Mon . "Electron channeling radiation experiments at very high electron bunch charges". United States. doi:10.1103/PhysRevA.68.062901.
@article{osti_20640492,
title = {Electron channeling radiation experiments at very high electron bunch charges},
author = {Carrigan, R.A. Jr. and Freudenberger, J. and Fritzler, S. and Genz, H. and Richter, A. and Ushakov, A. and Zilges, A. and Sellschop, J.P.F. and Institut fuer Kernphysik, Technische Universitaet Darmstadt, Schlossgartenstrasse 9, D-64289 Darmstadt and Schonland Centre, University of the Witwatersrand, 2050 Johannesburg},
abstractNote = {Plasmas offer the possibility of high acceleration gradients. An intriguing suggestion is to use the higher plasma densities possible in solids to get extremely high gradients. Although solid-state plasmas might produce high gradients they would pose daunting problems. Crystal channeling has been suggested as one mechanism to address these challenges. There is no experimental or theoretical guidance on channeling for intense electron beams. A high-density plasma in a crystal lattice could quench the channeling process. An experiment has been carried out at the Fermilab NICADD Photoinjector Laboratory to observe electron channeling radiation at high bunch charges. An electron beam with up to 8 nC per electron bunch was used to investigate the electron-crystal interaction. No evidence was found of quenching of channeling at charge densities two orders of magnitude larger than that in earlier experiments.},
doi = {10.1103/PhysRevA.68.062901},
journal = {Physical Review. A},
number = 6,
volume = 68,
place = {United States},
year = {Mon Dec 01 00:00:00 EST 2003},
month = {Mon Dec 01 00:00:00 EST 2003}
}