Three-Dimensional Annihilation Imaging of Trapped Antiprotons | Zendy

M. Fujiwara | Zendy; Michele Amoretti | Zendy; G. Bonomi | Zendy; A. Bouchta | Zendy; P. D. Bowe | Zendy; C. Carraro | Zendy; C. L. Cesar | Zendy; M. Charlton | Zendy; M. Doser | Zendy; V. Filippini | Zendy; A. Fontana | Zendy; R. Funakoshi | Zendy; P. Genova | Zendy; J. S. Hangst | Zendy; R. Hayano | Zendy; L. V. Jo̸rgensen | Zendy; V. Lagomarsino | Zendy; R. Landua | Zendy; E. Lodi–Rizzini | Zendy; M. Marchesotti | Zendy; M. Macrı́ | Zendy; N. Madsen | Zendy; G. Manuzio | Zendy; P. Montagna | Zendy; P. Riedler | Zendy; A. Rotondi | Zendy; G. Rouleau | Zendy; G. Testera | Zendy; A. Variola | Zendy; D. P. van der Werf | Zendy; Y. Yamazaki | Zendy

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Three-Dimensional Annihilation Imaging of Trapped Antiprotons

Author(s) -

M. Fujiwara,

Michele Amoretti,

G. Bonomi,

A. Bouchta,

P. D. Bowe,

C. Carraro,

C. L. Cesar,

M. Charlton,

M. Doser,

V. Filippini,

A. Fontana,

R. Funakoshi,

P. Genova,

J. S. Hangst,

R. Hayano,

L. V. Jo̸rgensen,

V. Lagomarsino,

R. Landua,

E. Lodi–Rizzini,

M. Marchesotti,

M. Macrı́,

N. Madsen,

G. Manuzio,

P. Montagna,

P. Riedler,

A. Rotondi,

G. Rouleau,

G. Testera,

A. Variola,

D. P. van der Werf,

Y. Yamazaki

Publication year - 2004

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.92.065005

Subject(s) - antiproton , antihydrogen , annihilation , physics , trap (plumbing) , penning trap , antiparticle , nuclear physics , particle physics , atomic physics , antimatter , electron , positron , proton , lepton , meteorology

We demonstrate three-dimensional imaging of antiprotons in a Penning trap, by reconstructing annihilation vertices from the trajectories of the charged annihilation products. The unique capability of antiparticle imaging has allowed, for the first time, the observation of the spatial distribution of the particle loss in a Penning trap. The radial loss of antiprotons on the trap wall is localized to small spots, strongly breaking the azimuthal symmetry expected for an ideal trap. Our observations have important implications for detection of antihydrogen annihilations.

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