Positron plasma control techniques for the production of cold antihydrogen | Zendy

R. Funakoshi | Zendy; Michele Amoretti | Zendy; G. Bonomi | Zendy; P. D. Bowe | Zendy; C. Canali | Zendy; C. Carraro | Zendy; C. L. Cesar | Zendy; M. Charlton | Zendy; M. Doser | Zendy; A. Fontana | Zendy; M. Fujiwara | Zendy; P. Genova | Zendy; J. S. Hangst | Zendy; R. Hayano | Zendy; L. V. Jo̸rgensen | Zendy; A. Kellerbauer | Zendy; V. Lagomarsino | Zendy; R. Landua | Zendy; E. Lodi Rizzini | Zendy; M. Macrı́ | Zendy; N. Madsen | Zendy; G. Manuzio | Zendy; D. Mitchard | Zendy; P. Montagna | Zendy; Lawrence Gene C. Posada | Zendy; A. Rotondi | Zendy; G. Testera | Zendy; A. Variola | Zendy; L. Venturelli | Zendy; D. P. van der Werf | Zendy; Y. Yamazaki | Zendy; N. Zurlo | Zendy

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Positron plasma control techniques for the production of cold antihydrogen

Author(s) -

R. Funakoshi,

Michele Amoretti,

G. Bonomi,

P. D. Bowe,

C. Canali,

C. Carraro,

C. L. Cesar,

M. Charlton,

M. Doser,

A. Fontana,

M. Fujiwara,

P. Genova,

J. S. Hangst,

R. Hayano,

L. V. Jo̸rgensen,

A. Kellerbauer,

V. Lagomarsino,

R. Landua,

E. Lodi Rizzini,

M. Macrı́,

N. Madsen,

G. Manuzio,

D. Mitchard,

P. Montagna,

Lawrence Gene C. Posada,

A. Rotondi,

G. Testera,

A. Variola,

L. Venturelli,

D. P. van der Werf,

Y. Yamazaki,

N. Zurlo

Publication year - 2007

Publication title -

physical review a

Language(s) - English

Resource type - Journals

eISSN - 1094-1622

pISSN - 1050-2947

DOI - 10.1103/physreva.76.012713

Subject(s) - antihydrogen , physics , plasma , positron , atomic physics , nuclear physics , antimatter , electron

An observation of a clear dependence of antihydrogen production on positron plasma shapes is reported. For this purpose a plasma control method has been developed combining the plasma rotating-wall technique with a mode diagnostic system. With the help of real-time and nondestructive observations, the rotating-wall parameters have been optimized. The positron plasma can be manipulated into a wide range of shapes (aspect ratio 6.5{<=}{alpha} < or approx. 80) and densities (1.5x10{sup 8}{<=}n < or approx. 7x10{sup 9} cm{sup -3}) within a short duration (25 s) compatible with the ATHENA antihydrogen production cycle.

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