The ATHENA antihydrogen apparatus

The ALPHA antihydrogen trapping apparatus

The ALPHA collaboration, based at CERN, has recently succeeded in confining cold antihydrogen atoms in a magnetic minimum neutral atom trap and has performed the first study of a resonant transition of the anti-atoms. The ALPHA apparatus will be described herein, with emphasis on the structural aspects, diagnostic methods and techniques that have enabled antihydrogen trapping and experimentatio...

Production of Cold Antihydrogen with Athena for Fundamental Studies

A. KELLERBAUER, M. AMORETTI, C. AMSLER, G. BONOMI, P. D. BOWE, C. CANALI, C. CARRARO, C. L. CESAR, M. CHARLTON, M. DOSER, A. FONTANA, M. C. FUJIWARA, R. FUNAKOSHI, P. GENOVA, J. S. HANGST, R. S. HAYANO, I. JOHNSON, L. V. JØRGENSEN, V. LAGOMARSINO, R. LANDUA, E. LODI RIZZINI, M. MACRÍ, N. MADSEN, G. MANUZIO, D. MITCHARD, P. MONTAGNA, H. PRUYS, C. REGENFUS, A. ROTONDI, G. TESTERA, A. VARIOLA, L. ...

Athena – First Production of Cold Antihydrogen and Beyond

Atomic systems of antiparticles are the laboratories of choice for tests of CPT symmetry with antimatter. The ATHENA experiment was the first to report the production of copious amounts of cold antihydrogen in 2002. This article reviews some of the insights that have since been gained concerning the antihydrogen production process as well as the external and internal properties of the produced ...

Producing Slow Antihydrogen for a Test of CPT Symmetry with ATHENA

M.C. Fujiwara, h,∗ M. Amoretti, d C. Amsler, j G. Bendiscioli, f G. Bonomi, b A. Bouchta, c P. Bowe, a C. Carraro, d M. Charlton, i M. Collier, i M. Doser, c V. Filippini, f K. Fine, c A. Fontana, f R. Funakoshi, h P. Genova, f D. Grögler, j J.S. Hangst, a R.S. Hayano, h H. Higaki, h M.H. Holzscheiter, e W. Joffrain, d L. Jorgensen, i V. Lagomarsino, d R. Landua, c C. Lenz Cesar, g D. Lindelöf,...

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