AEgIS Experiment Commissioning at CERN

被引：21
|
作者：
Krasnicky, D. [1 ]
Aghion, S.
Amsler, C.
Ariga, A.
Ariga, T.
Belov, A. S.
Bonomi, G.
Braeunig, P.
Brusa, R. S.
Bremer, J.
Burghart, G.
Cabaret, L.
Caccia, M.
Canali, C.
Caravita, R.
Castelli, F.
Cerchiari, G.
Cialdi, S.
Comparat, D.
Consolati, G.
Dassa, L.
Di Domizio, S.
Di Noto, L.
Doser, M.
Dudarev, A.
Ereditato, A.
Ferragut, R.
Fontana, A.
Genova, P.
Giammarchi, M.
Gligorova, A.
Gninenko, S. N.
Hogan, S. D.
Haider, S.
Jordan, E.
Jorgensen, L. V.
Kaltenbacher, T.
Kawada, J.
Kellerbauer, A.
Kimura, M.
Lagomarsino, V. [1 ]
Mariazzi, S.
Matveev, V. A.
Merkt, F.
Moia, F.
Nebbia, G.
Nedelec, P.
Oberthaler, M. K.
Pacifico, N.
Petracek, V.
机构：
[1] Univ Genoa, Dept Phys, Via Dodecaneso 33, I-16146 Genoa, Italy
来源：
NON-NEUTRAL PLASMA PHYSICS VIII | 2013年 / 1521卷
关键词：
Antimatter; Positronium; Antihydrogen; Penning trap; Gravity; AEgIS;
D O I：
10.1063/1.4796070
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The AEgIS Experiment is an international collaboration based at CERN whose aim is to perform the first direct measurement of the gravitational acceleration g of antihydrogen in the gravitational field of the Earth. Cold antihydrogen will be produced with a pulsed charge exchange reaction in a cylindrical Penning trap where antiprotons will be cooled to 100 mK. The cold antihydrogen will be produced in an excited Rydberg state and subsequently formed into a beam. The deflection of the antihydrogen beam will be measured by using Moire deflectometer gratings. After being approved in late 2008, AEgIS started taking data in a commissioning phase early 2012. This report presents an overview of the AEgIS experiment, describes its current status and shows the first measurements on antiproton catching and cooling in the 5 T Penning catching trap. We will also present details on the techniques needed for the 100 mK antihydrogen production, such as pulsed positronium production and its excitation with lasers.
引用
收藏
页码：144 / 153
页数：10
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