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Title: First results on very stable micro bunches confirming the possibility of generation of coherent synchrotron radiation

Abstract

Measurements performed on the SuperACO storage ring showed that, during the decay of the beam, the inherent synchrotron oscillation remains dipolar but the frequency of this oscillation depends on the remaining current in the storage ring. Three distinct regions of current were characterized. In the region of high current (100{endash}200 mA), the frequency was constant and was three times the synchrotron frequency. At an intermediate current (70{endash}100 mA), another constant frequency was present, two times the synchrotron frequency. In the third region (30{endash}60 mA), at low current, the frequency was proportional to the square root of the current, and was higher than the two frequencies above. The synchrotron band in the frequency spectrum contained several lines which confirmed the presence of at least one passive cavity and maybe of a second one at two well separated frequencies. They induce self-consistent micro structures in the bunch. {copyright} {ital 1996 American Institute of Physics.}

Authors:
 [1]
  1. Laboratoire pour l`Utilisation du Rayonnement Electromagnetique, Bat. 209 A---Centre Universitaire Paris-Sud---91405 ORSAY Cedex (France)
Publication Date:
OSTI Identifier:
288342
Report Number(s):
CONF-9509227-
Journal ID: APCPCS; ISSN 0094-243X; TRN: 96:024046
Resource Type:
Journal Article
Journal Name:
AIP Conference Proceedings
Additional Journal Information:
Journal Volume: 367; Journal Issue: 1; Conference: MicroBunches workshop, Upton, NY (United States), 28-30 Sep 1995; Other Information: PBD: Apr 1996
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; BEAM BUNCHING; SYNCHROTRON RADIATION; STORAGE RINGS; ELECTRON BEAMS; DECAY; COHERENT RADIATION; INSTABILITY; FREQUENCY ANALYSIS

Citation Formats

Bergher, M. First results on very stable micro bunches confirming the possibility of generation of coherent synchrotron radiation. United States: N. p., 1996. Web. doi:10.1063/1.50305.
Bergher, M. First results on very stable micro bunches confirming the possibility of generation of coherent synchrotron radiation. United States. doi:10.1063/1.50305.
Bergher, M. Mon . "First results on very stable micro bunches confirming the possibility of generation of coherent synchrotron radiation". United States. doi:10.1063/1.50305.
@article{osti_288342,
title = {First results on very stable micro bunches confirming the possibility of generation of coherent synchrotron radiation},
author = {Bergher, M},
abstractNote = {Measurements performed on the SuperACO storage ring showed that, during the decay of the beam, the inherent synchrotron oscillation remains dipolar but the frequency of this oscillation depends on the remaining current in the storage ring. Three distinct regions of current were characterized. In the region of high current (100{endash}200 mA), the frequency was constant and was three times the synchrotron frequency. At an intermediate current (70{endash}100 mA), another constant frequency was present, two times the synchrotron frequency. In the third region (30{endash}60 mA), at low current, the frequency was proportional to the square root of the current, and was higher than the two frequencies above. The synchrotron band in the frequency spectrum contained several lines which confirmed the presence of at least one passive cavity and maybe of a second one at two well separated frequencies. They induce self-consistent micro structures in the bunch. {copyright} {ital 1996 American Institute of Physics.}},
doi = {10.1063/1.50305},
journal = {AIP Conference Proceedings},
number = 1,
volume = 367,
place = {United States},
year = {1996},
month = {4}
}