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Beam preparation for studying the gravitational behavior of antimatter at rest (GBAR)

D. Lunney 1 P. Dupre 1 P. Grandemange 1 V. Manea 1 T. Mortensen 1 S. Cabaret 2 S. Pitrel 3 P. Comini 4 P. Debu 4 L. Liszkay 4 P. Lotrus 4 P. Perez 4 -M. Rey J. 4 -M. Reymond J. 4 N. Ruiz 4 Y. Sacquin 4 B. Vallage 4 D. Brook-Roberge 4 Ph. Hardy 4
1 CSNSM SNO
CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière : UMR8609, CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
2 CSNSM MECA
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
3 CSNSM INSTR
CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière
Abstract : The specific antiproton- and positron-beam requirements of the CERN AD-7 experiment, GBAR (Gravitational Behavior of Antimatter at Rest) are presented. GBAR will synthesize antihydrogen ions which will be sympathetically cooled before performing a free-fall experiment on the atom. Antiprotons delivered by CERN's ELENA facility in 100-keV, 300-ns pulses will be electrostatically decelerated and transformed to keV energies using a pulsed drift tube. Positrons are created using a linear electron accelerator and collected into a Penning-Malmberg trap. Descriptions of these ion optical systems are given along with the status.
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http://hal.in2p3.fr/in2p3-01149101
Contributor : Emilie Bonnardel <>
Submitted on : Wednesday, May 6, 2015 - 4:40:19 PM
Last modification on : Wednesday, September 16, 2020 - 5:45:22 PM

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D. Lunney, P. Dupre, P. Grandemange, V. Manea, T. Mortensen, et al.. Beam preparation for studying the gravitational behavior of antimatter at rest (GBAR). 11th International Conference on Low Energy Antiproton Physics (LEAP), Jun 2013, Uppsala, Sweden. pp.1-6, ⟨10.1007/s10751-014-1056-1⟩. ⟨in2p3-01149101⟩

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