The AEGIS detection system for gravity measurements

Year: 2010

Authors: Fabris D., 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., Comparat D., Consolati G., Dassa L., Djourelov N., Doser M., Drobychev G., Dudarev A., Dupasquier A., Ferragut R., Ferrari G., Fischer A., Folegati P., Fontana A., Formaro L., Lunardon M., Gervasini A., Giammarchi M.G., Gninenko S.N., Heyne R., Hogan S.D., Jørgensen L.V., Kellerbauer A., Krasnicky D., Lagomarsino V., Leveraro F., Manuzio G., Mariazzi S., Matveev V.A., Merkt F., Moretto S., Morhard C., Nebbia G., Nedelec P., Oberthaler M.K., Perini D., Petracek V., Prevedelli M., Al-Qaradawi I.Y., Quasso F., Riccardi C., Rohne O., Pesente S., Rotondi A., Spacek M., Stapnes S., Sillou D., Stepanov S.V., Stroke H.H., Testera G., Tino G., Trezzi D., Turbabin A.V., Vaccarone R., Vairo A., Viesti G., Walters H., Warring U., Zavatarelli S., Zenoni A., Zvezhinskij D.S.

Autors Affiliation: Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Via Marzolo 8, I-35131 Padova

Abstract: The main scientific goal of the AEGIS experiment (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) is the direct measurement of the Earth\’s gravitational acceleration g on a beam of cold antihydrogen (H). The production of an antihydrogen beam is achieved by a charge exchange reaction between Rydberg positronium and cold antiprotons. The H beam will be accelerated up to a velocity of a few 100 m/s and the gravitational acceleration will be obtained by measuring the small vertical deflection ofthe beam (a few tens μm) using a Moire’ deflectometer.

Journal/Review: NUCLEAR PHYSICS. A (PRINT)

Volume: 834 (1-4)      Pages from: 751c  to: 753c

KeyWords: antihydrogen; gravity measurement; Rydberg states
DOI: 10.1016/j.nuclphysa.2010.01.136

Citations: 6
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