Formation Of A Cold Antihydrogen Beam in AEGIS For Gravity Measurements

@article{Testera2008FormationOA,
  title={Formation Of A Cold Antihydrogen Beam in AEGIS For Gravity Measurements},
  author={Gemma Testera and A. S. Belov and Germano Bonomi and Ilario Boscolo and Nora Brambilla and Roberto Sennen Brusa and V M Byakov and Louis Cabaret and Carlo M. Canali and Carlo Carraro and Fabrizio Castelli and Simone Cialdi and Michel de Combarieu and D Comparat and Giovanni Consolati and Nikolay Djourelov and M. Doser and G. Yu. Drobychev and Alfredo Dupasquier and Daniela Fabris and Rafael Ferragut and Gabriele Ferrari and Andreas Fischer and Andrea Fontana and Patrick Forget and Leonardo Formaro and Marcello Lunardon and Antonella Gervasini and Marco Giammarchi and S. Gninenko and G F Gribakin and R. Heyne and S. D. Hogan and Alban Kellerbauer and Daniel Krasnick{\'y} and Vittorio Lagomarsino and G. E. Manuzio and S Mariazzi and Victor Anatolievich Matveev and Fr{\'e}d{\'e}ric Merkt and Sandra Moretto and Christoph Morhard and Giancarlo Nebbia and Patrick N{\'e}d{\'e}lec and Markus K. Oberthaler and Patrick Pari and Vojtěch Petr{\'a}{\vc}ek and Marco Prevedelli and Ilham Y. Al-Qaradawi and Fiorenza Quasso and O. R{\o}hne and Silvia Pesente and Alberto Rotondi and Steinar Stapnes and Daniel Sillou and S V Stepanov and Hinko Henry Stroke and Guglielmo Maria Tino and Antonio Vairo and Giuseppe Viesti and H. R. James Walters and Ulrich Warring and S Zavatarelli and Aldo Zenoni and D. S. Zvezhinskij and for the Hyper-Kamiokande Proto-collaboration},
  journal={arXiv: Atomic Physics},
  year={2008},
  volume={1037},
  pages={5-15}
}
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 acceleration. 

Figures from this paper

The AEgIS experiment
The AEgIS experiment is presently almost completely installed at CERN. It is currently taking data with antiprotons, electrons and positrons. The apparatus is designed to form a cold, pulsed beam ofExpand
Prospects for measuring the gravitational free-fall of antihydrogen with emulsion detectors
The main goal of the AEgIS experiment at CERN is to test the weak equivalence principle for antimatter. AEgIS will measure the free-fall of an antihydrogen beam traversing a moir'e deflectometer. TheExpand
Development and data analysis of a position detector for AEḡIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy)
AEḡIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) is an antimatter experiment based at CERN, the European Organization for Nuclear Research, whose goal is to carry out the firstExpand
Towards the first measurement of matter-antimatter gravitational interaction
The AEgIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) is a CERN based experiment with the central aim to measure directly the gravitational acceleration of antihydrogen.Expand
Off-axial plasma displacement suitable for antihydrogen production in AEgIS experiment
Abstract Antihydrogen experiments are currently based on non neutral electron, positron or antiproton plasma manipulation techniques in cylindrical Malmberg-Penning traps. An experimental study of aExpand
Precise laser spectroscopy of antiprotonic helium at CERN’s Antiproton Decelerator
The ASACUSA collaboration of CERN has carried out several laser spectroscopy experiments of antiprotonic helium atoms. By comparing the results with three-body QED calculations, theExpand
Antimatter annihilation detection with AEgIS
AE¯ gIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) is an antimatter experiment based at CERN, whose primary goal is to carry out the first direct measurement of the Earth’sExpand
Detection of low energy antiproton annihilations in a segmented silicon detector
The goal of the AEIS experiment at the Antiproton Decelerator (AD) at CERN, is to measure directly the Earth's gravitational acceleration on antimatter by measuring the free fall of a pulsed, coldExpand
Antimatter annihilation detection in AE ḡ IS
AEḡIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) is an antimatter experiment based at CERN, whose primary goal is to carry out the first direct measurement of the Earth’sExpand
Measuring the antihydrogen fall
The AEḡIS experiment (Antimatter Experiment: Gravity, Interferometry, Spectroscopy (Drobychev et al., 2007)), aims at directly measuring the gravitational acceleration g on a beam of coldExpand
...
1
2
3
...