Antihydrogen physics: gravitation and spectroscopy in AEgISThis paper was presented at the International Conference on Precision Physics of Simple Atomic Systems, held at École de Physique, les Houches, France, 30 May – 4 June, 2010.
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Published:2011-01
Issue:1
Volume:89
Page:17-24
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ISSN:0008-4204
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Container-title:Canadian Journal of Physics
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language:en
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Short-container-title:Can. J. Phys.
Author:
Ferragut R.12345, Belov A. S.12345, Bonomi G.12345, Boscolo I.12345, Brusa R. S.12345, Byakov V. M.12345, Cabaret L.12345, Calloni A.12345, Canali C.12345, Carraro C.12345, Castelli F.12345, Cialdi S.12345, Comparat D.12345, Consolati G.12345, Dassa L.12345, Djourelov N.12345, Doser M.12345, Drobychev G.12345, Dudarev A.12345, Dupasquier A.12345, Ferrari G.12345, Fischer A.12345, Folegati P.12345, Fontana A.12345, Formaro L.12345, Giammarchi M. G.12345, Gninenko S. N.12345, Heyne R.12345, Hogan S. D.12345, Jorgensen L. V.12345, Kellerbauer A.12345, Krasnicky D.12345, Lagomarsino V.12345, Manuzio G.12345, Mariazzi S.12345, Matveev V. A.12345, Morhard C.12345, Nebbia G.12345, Nedelec P.12345, Oberthaler M. K.12345, Perini D.12345, Petracek V.12345, Prelz F.12345, Prevedelli M.12345, Al-Qaradawi I. Y.12345, Quasso F.12345, Riccardi C.12345, Rohne O.12345, Rotondi A.12345, Sacerdoti M.12345, Sandaker H.12345, Sillou D.12345, Stepanov S. V.12345, Stroke H. H.12345, Testera G.12345, Trezzi D.12345, Turbabin A. V.12345, Vaccarone R.12345, Villa F.12345, Warring U.12345, Zavatarelli S.12345, Zenoni A.12345, Zvezhinskij D. S.12345
Affiliation:
1. Istituto Nazionale di Fisica Nucleare, via Celoria 16, 20133 Milano, Italy. 2. Department of Physics, Politecnico di Milano, piazza L. da Vinci 32, 20133 Milano, Italy. 3. Institute for Nuclear Research of the Russian Academy of Sciences, Moscow 117312, Russia. 4. Istituto Nazionale di Fisica Nucleare and Department of Physics, University of Pavia, via Bassi 6, 27100 Pavia, Italy. 5. Department of Physics, University of Milan, via Celoria 16, 20133 Milano, Italy.
Abstract
AEgIS (Antimatter experiment: gravity, interferometry, spectroscopy) is an experiment approved by CERN with the goal of studying antihydrogen physics. In AEgIS, antihydrogen will be produced by charge exchange reactions of cold antiprotons with positronium atoms excited in a Rydberg state (n > 20). In the first phase of the experiment, controlled acceleration by an electric field gradient (Stark effect) and subsequent measurement of free fall in a Moiré deflectometer will allow a test of the weak equivalence principle. In a second phase, the antihydrogen will be slowed, confined, and laser-cooled to perform CPT studies and detailed spectroscopy. In the present work, after a general description of the experiment, the present status of advancement will be reviewed, with special attention to the production and excitation of positronium atoms.
Publisher
Canadian Science Publishing
Subject
General Physics and Astronomy
Cited by
11 articles.
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