Demonstration of a laserwire emittance scanner for hydrogen ion beams at CERN

Demonstration of a laserwire emittance scanner for hydrogen ion beams at CERN

A noninvasive, compact laserwire system has been developed to measure the transverse emittance of an H^{-} beam and has been demonstrated at the new LINAC4 injector for the LHC at CERN. Light from a low power, pulsed laser source is conveyed via fiber to collide with the H^{-} beam, a fraction of wh...

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Main Authors: T. Hofmann, K. O. Kruchinin, A. Bosco, S. M. Gibson, F. Roncarolo, G. Boorman, U. Raich, E. Bravin, J. K. Pozimski, A. Letchford, C. Gabor
Format: Article
Language:English
Published: American Physical Society 2015-12-01
Series:Physical Review Special Topics. Accelerators and Beams
Online Access:http://doi.org/10.1103/PhysRevSTAB.18.122801
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spelling doaj-56b6690270e64dfdaed355ab7db51c932020-11-25T02:46:35ZengAmerican Physical SocietyPhysical Review Special Topics. Accelerators and Beams1098-44022015-12-01181212280110.1103/PhysRevSTAB.18.122801Demonstration of a laserwire emittance scanner for hydrogen ion beams at CERNT. HofmannK. O. KruchininA. BoscoS. M. GibsonF. RoncaroloG. BoormanU. RaichE. BravinJ. K. PozimskiA. LetchfordC. GaborA noninvasive, compact laserwire system has been developed to measure the transverse emittance of an H^{-} beam and has been demonstrated at the new LINAC4 injector for the LHC at CERN. Light from a low power, pulsed laser source is conveyed via fiber to collide with the H^{-} beam, a fraction of which is neutralized and then intercepted by a downstream diamond detector. Scanning the focused laser across the H^{-} beam and measuring the distribution of the photo-neutralized particles enables the transverse emittance to be reconstructed. The vertical phase-space distribution of a 3 MeV beam during LINAC4 commissioning has been measured by the laserwire and verified with a conventional slit and grid method.http://doi.org/10.1103/PhysRevSTAB.18.122801
collection DOAJ
language English
format Article
sources DOAJ
author T. Hofmann
K. O. Kruchinin
A. Bosco
S. M. Gibson
F. Roncarolo
G. Boorman
U. Raich
E. Bravin
J. K. Pozimski
A. Letchford
C. Gabor
spellingShingle T. Hofmann
K. O. Kruchinin
A. Bosco
S. M. Gibson
F. Roncarolo
G. Boorman
U. Raich
E. Bravin
J. K. Pozimski
A. Letchford
C. Gabor
Demonstration of a laserwire emittance scanner for hydrogen ion beams at CERN
Physical Review Special Topics. Accelerators and Beams
author_facet T. Hofmann
K. O. Kruchinin
A. Bosco
S. M. Gibson
F. Roncarolo
G. Boorman
U. Raich
E. Bravin
J. K. Pozimski
A. Letchford
C. Gabor
author_sort T. Hofmann
title Demonstration of a laserwire emittance scanner for hydrogen ion beams at CERN
title_short Demonstration of a laserwire emittance scanner for hydrogen ion beams at CERN
title_full Demonstration of a laserwire emittance scanner for hydrogen ion beams at CERN
title_fullStr Demonstration of a laserwire emittance scanner for hydrogen ion beams at CERN
title_full_unstemmed Demonstration of a laserwire emittance scanner for hydrogen ion beams at CERN
title_sort demonstration of a laserwire emittance scanner for hydrogen ion beams at cern
publisher American Physical Society
series Physical Review Special Topics. Accelerators and Beams
issn 1098-4402
publishDate 2015-12-01
description A noninvasive, compact laserwire system has been developed to measure the transverse emittance of an H^{-} beam and has been demonstrated at the new LINAC4 injector for the LHC at CERN. Light from a low power, pulsed laser source is conveyed via fiber to collide with the H^{-} beam, a fraction of which is neutralized and then intercepted by a downstream diamond detector. Scanning the focused laser across the H^{-} beam and measuring the distribution of the photo-neutralized particles enables the transverse emittance to be reconstructed. The vertical phase-space distribution of a 3 MeV beam during LINAC4 commissioning has been measured by the laserwire and verified with a conventional slit and grid method.
url http://doi.org/10.1103/PhysRevSTAB.18.122801
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