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          Institute: MPI für Kernphysik     Collection: Precision Spectroscopy and Ultracold Ensembles     Display Documents

ID: 395107.0, MPI für Kernphysik / Precision Spectroscopy and Ultracold Ensembles
Formation Of A Cold Antihydrogen Beam in AEGIS For Gravity Measurements
Authors:Testera, G.; Belov, A. S.; Bonomi, G.; Boscolo, I.; Brambilla, N.; Brusa, R. S.; Byakov, V. M.; Cabaret, L.; Canali, C.; Carraro, C.; Castelli, F.; Cialdi, S.; de Combarieu, M.; Comparat, D.; Consolati, G.; Djourelov, N.; Doser, M.; Drobychev, G.; Dupasquier, A.; Fabris, D.; Ferragut, R.; Ferrari, G.; Fischer, A.; Fontana, A.; Forget, P.; Formaro, L.; Lunardon, M; Gervasini, A.; Giammarchi, M. G.; Gninenko, S. N.; Gribakin, G.; Heyne, R.; Hogan, S. D.; Kellerbauer, A.; Krasnicky, D.; Lagomarsino, V.; Manuzio, G.; Mariazzi, S.; Matveev, V. A.; Merkt, F.; Moretto, S.; Morhard, C.; Nebbia, G.; Nedelec, P.; Oberthaler, M.; Pari, P.; Petracek, V.; Prevedelli, M.; Al-Qaradawi, I. Y.; Quasso, F.; Rohne, O.; Pesente, S.; Rotondi, A.; Stapnes, S.; Sillou, D.; Stepanov, S. V.; Stroke, H. H.; Tino, G.; Vairo, A.; Viesti, G.; Walters, H.; Warring, U.; Zavatarelli, S.; Zenoni, A.; Zvezhinskij, D. S.
Publisher:American Institute of Physics
Place of Publication:Melville, NY
Date of Publication (YYYY-MM-DD):2008
Start Page:5
End Page:15
Title of Series:AIP Conference Proceedings
Volume (in Series):1037
Name of Conference/Meeting:1st International Workshop on Cold Antimatter Plasmas and Application to Fundamental Physics
Place of Conference/Meeting:Okinawa, Japan
(Start) Date of Conference/Meeting
End Date of Conference/Meeting 
Copyright:© 2008 American Institute of Physics
Review Status:not specified
Audience:Experts Only
Abstract / Description:The formation of the antihydrogen beam in the AEGIS experiment through the use of
inhomogeneous electric fields is discussed and simulation results including the geometry of the
apparatus and realistic hypothesis about the antihydrogen initial conditions are shown. The
resulting velocity distribution matches the requirements of the gravity experiment. In particular
it is shown that the inhomogeneous electric fields provide radial cooling of the beam during the
Free Keywords:Antihydrogen, Equivalence Principle, Rydberg atoms.
Classification / Thesaurus:04.80.Cc, 32.80.Ee, 34.70.+e, 36.10.-k, 37.10.Ty
External Publication Status:published
Document Type:Conference-Paper
Communicated by:vogt
Affiliations:MPI für Kernphysik/Independent Research Groups/Precision experiments with stored ions and antimatter(A. Kellerbauer)
External Affiliations:Istituto Nazionale di Fisica Nucleare and Department of Physics, University of Genoa, via
Dodecaneso 33, 16146 Genova, Italy
Institute for Nuclear Research of the Russian Academy of Sciences, Moscow 117312, Russia
Istituto Nazionale di Fisica Nucleare and Department of Physics, University of Pavia, via Bassi 6,
27100 Pavia, Italy
Istituto Nazionale di Fisica Nucleare and Department of Physics, University of Milan, via Celoria 16,
20133 Milano, Italy
Department of Physics, University of Trento, via Sommarive 14, 38100 Povo, Italy
Institute for Theoretical and Experimental Physics, Moscow 117218, Russia
Laboratoire Aimé Cotton, CNRS, Univ Paris-Sud, Bât. 505, 91405 Orsay, France
Laboratoire de Basse Tempe´rature du SPEC/DRECAM/DSM, CEA Saclay, 91191 Gif-sur-Yvette
Institute for Nuclear Research and Nuclear Energy, 72 Tzarigradsko Chaussee, 1784 Sofia, Bulgaria
Department of Physics, CERN, 1211 Gene`ve 23, Switzerland
Lab. d’Annecy-le-Vieux de Phys. des Particules, 9 Chemin de Bellevue, B.p. 110, 74941 Annecy Cedex,
Department of Physics, Politecnico di Milano, Piazza L. da Vinci 32, 20133 Milano, Italy.
Istituto Nazionale di Fisica Nucleare and Department of Physics, University of Florence and LENS,
CNR-INFM, via Sansone 1, 50019 Firenze, Italy
Department of Applied Mathematics and Theoretical Physics, Queen’s University, University Road,
Belfast BT7 1NN, United Kingdom
Laboratorium für Physikalische Chemie, ETH Zürich, Zürich 8093, Switzerland
Kirchhoff Institute of Physics, University of Heidelberg, Im Neuenheimer Feld 227, 69120 Heidelberg,
Department of Physics, New York University, 4 Washington Place, New York, NY 10003, USA
University of Oslo, Department of Physics, Oslo, Norway
Czech Technical University in Prague, Faculty of Nuclear Sciences and Physical Engineering
Istituto Nazionale di Fisica Nucleare and Department of Physics, University of Padova ,
Via Marzolo 8, 35131 Padova - Italy
Qatar University, Doha, Qatar P. O. Box 2713, Doha, Qatar
Institute for Nuclear Problems of the Belarus State University, 11, Bobruiskaya Str., Minsk 220030,
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