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Positron plasma diagnostics and temperature control for antihydrogen production | | ATHENA Collaboration: M. Amoretti
; C. Amsler
; G. Bonomi
; A. Bouchta
; P. D. Bowe
; C. Carraro
; C. L. Cesar
; M. Charlton
; M. Doser
; V. Filippini
; A. Fontana
; M. C. Fujiwara
; R. Funakoshi
; P. Genova
; J. S. Hangst
; R. S. Hayano
; L. V. Jorgensen
; V. Lagomarsino
; R. Landua
; D. Lindelof
; E. Lodi Rizzini
; M. Macri’
; N. Madsen
; G. Manuzio
; P. Montagna
; H. Pruys
; C. Regenfus
; A. Rotondi
; G. Testera
; A. Variola
; D. P. van der Werf
; | | Date: |
30 Jul 2003 | | Journal: | Phys.Rev.Lett. 91 (2003) 055001 | | Subject: | Plasma Physics | physics.plasm-ph hep-ex nucl-ex | | Abstract: | Production of antihydrogen atoms by mixing antiprotons with a cold, confined, positron plasma depends critically on parameters such as the plasma density and temperature. We discuss non-destructive measurements, based on a novel, real-time analysis of excited, low-order plasma modes, that provide comprehensive characterization of the positron plasma in the ATHENA antihydrogen apparatus. The plasma length, radius, density, and total particle number are obtained. Measurement and control of plasma temperature variations, and the application to antihydrogen production experiments are discussed. | | Source: | arXiv, physics/0307151 | | Services: | Forum | Review | PDF | Favorites | |
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