Prospects for forward emitted positronium from nanoporous membranes at AEgIS

Rienacker, B.; Kłosowski, Łukasz; Eliaszuk, Kamil; Kasprowicz, Grzegorz; Gusakova, Natali; Rauschendorfer, Tassilo; Giszczak, Anna; Pandey, Pushpa; Ferguson, Riley; Camper, Antoine; Zurlo, Nicola; Smolyanskiy, Petr; Consolati, Giovanni; Røhne, Ole; Graczykowski, Łukasz; Germann, Matthias; Sowiński, Theodoros; Janik, Malgorzata Anna; Zielinski, Jakub; Petracek, Vojtech; Moskal, P.; Haider, Stefan; Prelz, Francesco; Auzins, Marcis; Khatri, Gunn; Cerchiari, Giovanni; Gustafsson, F.; Kempny, Kamila; Hugenschmidt, Christoph; Castelli, Fabrizio; Brusa, Roberto Sennen; Tefelski, Dariusz; Krumins, Valts; Doser, Michael; Sandaker, H.; Bergmann, Benedikt; Pecak, Daniel; Münster, Markus; Piwinski, Mariusz; Welsch, Carsten P.; Pospišil, Stanislav; Rodin, Volodymyr; Zawada, Michal; Mariazzi, Sebastiano; Sharma, S.; Huck, Saiva; Kornakov, G.; Rawat, Bharat Singh; Alfaro Campos, Sara; Penasa, Luca; Volponi, Marco; Caravita, Ruggero; Chehaimi, Ahmad; Glöggler, Lisa Theresa; Januszek, Timoteusz; Rangwala, Sadiq Ali; Grosbart, Malgorzata; Burian, Petr; Guatieri, Francesco; Lappo, Lidia; Ciuryło, Roman; Linek, Adam; Berghold, Michael

doi:10.22323/1.480.0082

Contribution to a conference proceedings/Contribution to a book

IMPULSE-2026-00032

Prospects for forward emitted positronium from nanoporous membranes at AEgIS

Rienacker, B. (Corresponding author) ; Alfaro Campos, S. ; Auzins, M. ; Berghold, M.MLZ* ; Bergmann, B. ; Burian, P. ; Brusa, R. S. ; Camper, A. ; Caravita, R. ; Castelli, F. ; Cerchiari, G. ; Ciuryło, R. ; Chehaimi, A. ; Consolati, G. ; Doser, M. ; Eliaszuk, K. ; Ferguson, R. ; Germann, M. ; Giszczak, A. ; Glöggler, L. T. ; Graczykowski, Ł. ; Grosbart, M. ; Guatieri, F.MLZ* ; Gusakova, N. ; Gustafsson, F. ; Haider, S. ; Huck, S. ; Hugenschmidt, C.MLZ* ; Janik, M. A. ; Januszek, T. ; Kasprowicz, G. ; Kempny, K. ; Khatri, G. ; Kłosowski, Ł. ; Kornakov, G. ; Krumins, V. ; Lappo, L. ; Linek, A. ; Mariazzi, S. ; Moskal, P. ; Münster, M. ; Pandey, P. ; Pecak, D. ; Penasa, L. ; Petracek, V. ; Piwinski, M. ; Pospišil, S. ; Prelz, F. ; Rangwala, S. A. ; Rauschendorfer, T. ; Rawat, B. S. ; Rodin, V. ; Røhne, O. ; Sandaker, H. ; Sharma, S. ; Smolyanskiy, P. ; Sowiński, T. ; Tefelski, D. ; Volponi, M. ; Welsch, C. P. ; Zawada, M. ; Zielinski, J. ; Zurlo, N.

2025
Sissa Medialab Trieste, Italy

Proceedings of International Conference on Exotic Atoms and Related Topics and Conference on Low Energy Antiprotons — PoS(EXA-LEAP2024) - Sissa Medialab Trieste, Italy, 2025. - ISBN - doi:10.22323/1.480.0082
International Conference on Exotic Atoms and Related Topics and Conference on Low Energy Antiprotons, Austrian Academy of Sciences, Vienna., 28 Aug 2024 - 30 Aug 2024 Sissa Medialab Trieste, Italy 7 pages (2025) [10.22323/1.480.0082]

Please use a persistent id in citations: doi:10.22323/1.480.0082

Abstract: Antihydrogen formation at AEgIS at CERN leverages charge exchange between Rydberg positronium (Ps*) and antiprotons, with cross-sections scaling with the Ps principal quantum number n4 and inversely with relative velocity v−2. However, the motional Stark effect and velocity mismatch between Ps and antiprotons impose stringent constraints, limiting efficiency. Advances in transmission positronium converters mitigate self-ionization losses and improve velocity alignment, promising a significant boost in antihydrogen yield. This work evaluates formation cross-sections, Ps velocity profiles, and the integration of advanced transmission Ps converters for precision gravitational studies.

Keyword(s): Basic research (1st) ; Particle Physics (2nd)

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