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Three-Dimensional Annihilation Imaging of Trapped Antiprotons

Makoto Fujiwara,M. Amoretti,Germano 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. S. Hayano,L. V. Jörgensen,V. Lagomarsino,R. Landua,E. Lodi-Rizzini,M. Marchesotti,M. Macrı̀,N. Madsen,G. Manuzio,Paolo Montagna,Petra Riedler,Alberto Rotondi,G. Rouleau,G. Testera,A. Variola,D. P. van der Werf,Y. Yamazaki

Antiproton

Antihydrogen

Annihilation

2004

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.Received 31 July 2003DOI:https://doi.org/10.1103/PhysRevLett.92.065005©2004 American Physical Society

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“Three-Dimensional Annihilation Imaging of Trapped Antiprotons” is a paper by Makoto Fujiwara M. Amoretti Germano 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. S. Hayano L. V. Jörgensen V. Lagomarsino R. Landua E. Lodi-Rizzini M. Marchesotti M. Macrı̀ N. Madsen G. Manuzio Paolo Montagna Petra Riedler Alberto Rotondi G. Rouleau G. Testera A. Variola D. P. van der Werf Y. Yamazaki published in 2004. It has an Open Access status of “green”. You can read and download a PDF Full Text of this paper here.