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Antiproton compression and radial measurements

AIP Conf. Proc. -- August 8, 2008 -- Volume 1037, pp. 96-105
PROCEEDINGS OF THE WORKSHOP ON COLD ANTIMATTER PLASMAS AND APPLICATION TO FUNDAMENTAL PHYSICS; doi:10.1063/1.2977860

Issue Date: 8 August 2008

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G. B. Andresen,a W. Bertsche,b P. D. Bowe,a C. C. Bray,c E. Butler,b C. L. Cesar,d S. Chapman,c M. Charlton,b J. Fajans,c M. C. Fujiwara,e R. Funakoshi,f D. R. Gill,e J. S. Hangst,a W. N. Hardy,g R. S. Hayano,f M. E. Hayden,h A. J. Humphries,b R. Hydomako,i M. J. Jenkins,b L. V. Jørgensen,b L. Kurchaninov,e R. Lambo,d N. Madsen,b P. Nolan,j K. Olchanski,e A. Olin,e R. D. Page,j A. Povilus,c P. Pusa,j F. Robicheaux,k E. Sarid,l S. Seif El Nasr,g D. M. Silveira,d J. W. Storey,e R. I. Thompson,i D. P. van der Werf,b J. S. Wurtele,c and Y. Yamazakim
aDepartment of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark
bDepartment of Physics, Swansea University, Swansea SA2 8PP, United Kingdom
cDepartment of Physics, University of California at Berkeley, Berkeley, CA 94720-7300, USA
dInstituto de Física, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-972, Brazil
eTRIUMF, 4004 Wesbrook Mall, Vancouver BC, Canada V6T 2A3
fDepartment of Physics, University of Tokyo, Tokyo 113-0033, Japan
gDepartment of Physics and Astronomy, University of British Columbia, Vancouver BC, Canada V6T 1Z4
hDepartment of Physics, Simon Fraser University, Burnaby BC, Canada V5A 1S6
iDepartment of Physics and Astronomy, University of Calgary, Calgary AB, Canada T2N 1N4
jDepartment of Physics, University of Liverpool, Liverpool L69 7ZE, United Kingdom
kDepartment of Physics, Auburn University, Auburn, AL 36849-5311, USA
lDepartment of Physics, NRCN-Nuclear Research Center Negev, Beer Sheva, IL-84190, Israel
mAtomic Physics Laboratory, RIKEN, Saitama 351-0198, Japan
Control of the radial profile of trapped antiproton clouds is critical to trapping antihydrogen. We report detailed measurements of the radial manipulation of antiproton clouds, including areal density compressions by factors as large as ten, achieved by manipulating spatially overlapped electron plasmas. We show detailed measurements of the near-axis antiproton radial profile, and its relation to that of the electron plasma. We also measure the outer radial profile by ejecting antiprotons to the trap wall using an octupole magnet. ©2008 American Institute of Physics
Permalink: http://link.aip.org/link/?APCPCS/1037/96/1
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KEYWORDS and PACS

Keywords
PACS
  • 25.43.+t
    Antiproton-induced reactions
  • 34.80.Lx
    Recombination and attachment in electron/positron scattering of atoms and molecules; positronium formation
  • 52.77.-j
    Plasma applications
  • YEAR: 2008

PUBLICATION DATA

ISSN:
0094-243X (print)  
Publisher:
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