| Article | |
| Title | Development of a detector for inertial sensing of positronium at AEḡIS (CERN) |
| Author(s) |
Glöggler, L T (CERN ; Berlin, Tech. U.) ; Caravita, R (TIFPA-INFN, Trento) ; Bergmann, B (IEAP CTU, Prague) ; Bonomi, G (Brescia U. ; INFN, Brescia ; INFN, Pavia) ; Brusa, R S (TIFPA-INFN, Trento ; Trento U.) ; Burian, P (IEAP CTU, Prague) ; Camper, A (Oslo U.) ; Castelli, F (Milan U.) ; Cheinet, P (LAC, Orsay) ; Comparat, D (LAC, Orsay) ; Consolati, G (Milan Polytechnic ; INFN, Milan) ; Doser, M (CERN) ; Gjersdal, H (Oslo U.) ; Graczykowski, Ł (Warsaw U. of Tech.) ; Guatieri, F (Trento U.) ; Haider, S (CERN) ; Huck, S (CERN ; U. Hamburg, Dept. Phys.) ; Janik, M (Warsaw U. of Tech.) ; Kasprowicz, G (INFN, Milan) ; Khatri, G (CERN ; Trento U.) ; Kornakov, G (INFN, Milan) ; Malbrunot, C (CERN) ; Mariazzi, S (TIFPA-INFN, Trento ; Trento U.) ; Nebbia, G (INFN, Padua) ; Nowak, L (CERN) ; Nowicka, D (Warsaw U. of Tech.) ; Oswald, E (CERN) ; Pagano, D (Brescia U. ; INFN, Brescia ; INFN, Pavia) ; Penasa, L (TIFPA-INFN, Trento ; Trento U.) ; Pospisil, S (IEAP CTU, Prague) ; Povolo, L (TIFPA-INFN, Trento ; Trento U.) ; Prelz, F (INFN, Milan) ; Rienäcker, B (CERN) ; Røhne, O M (Oslo U.) ; Sandaker, H (Oslo U.) ; Stekl, I (IEAP CTU, Prague) ; Tefelski, D (Warsaw U. of Tech.) ; Tietje, I C (CERN) ; Volponi, M (CERN ; Trento U.) ; Wolz, T (CERN) ; Zimmer, C (CERN ; Oslo U. ; Milan Polytechnic ; Heidelberg U.) ; Zurlo, N (Brescia U. ; INFN, Brescia) |
| Publication | 2022 |
| Number of pages | 4 |
| In: | J. Phys. : Conf. Ser. 2374 (2022) 012037 |
| In: | International Conference on Technology and Instrumentation in Particle Physics (TIPP 2021), Online, Canada, 24 - 29 May 2021, pp.012037 |
| DOI | 10.1088/1742-6596/2374/1/012037 |
| Subject category | Detectors and Experimental Techniques |
| Accelerator/Facility, Experiment | CERN AEgIS |
| Abstract | The primary goal of the AEgIS collaboration at CERN is to measure the gravitational acceleration on neutral antimatter. Positronium (Ps), the bound state of an electron and a positron, is a suitable candidate for a force-sensitive inertial measurement by means of deflectometry/interferometry. In order to conduct such an experiment, the impact position and time of arrival of Ps atoms at the detector must be detected simultaneously. The detection of a low-velocity Ps beam with a spatial resolution of (88 ± 5) μm was previously demonstrated [1]. Based on the methodology employed in [1] and [2], a hybrid imaging/timing detector with increased spatial resolution of about 10 μm was developed. The performance of a prototype was tested with a positron beam. The concept of the detector and first results are presented. |
| Copyright/License | CC-BY-3.0 |
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