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.

Prospects for forward emitted positronium from nanoporous membranes at AEgIS / Rienacker, B.; Alfaro Campos, Sara; Auzins, Marcis; Berghold, Michael; Bergmann, Benedikt; Burian, Petr; Brusa, Roberto Sennen; Camper, Antoine; Caravita, Ruggero; Castelli, Fabrizio; Cerchiari, Giovanni; Ciuryło, Roman; Chehaimi, Ahmad; Consolati, Giovanni; Doser, Michael; Eliaszuk, Kamil; Ferguson, Riley; Germann, Matthias; Giszczak, Anna; Glöggler, Lisa Theresa; Graczykowski, Łukasz; Grosbart, Malgorzata; Guatieri, Francesco; Gusakova, Natali; Gustafsson, F.; Haider, Stefan; Huck, Saiva; Hugenschmidt, Christoph; Janik, Malgorzata Anna; Januszek, Timoteusz; Kasprowicz, Grzegorz; Kempny, Kamila; Khatri, Gunn; Kłosowski, Łukasz; Kornakov, G.; Krumins, Valts; Lappo, Lidia; Linek, Adam; Mariazzi, Sebastiano; Moskal, P.; Münster, Markus; Pandey, Pushpa; Pecak, Daniel; Penasa, Luca; Petracek, Vojtech; Piwinski, Mariusz; Pospišil, Stanislav; Prelz, Francesco; Rangwala, Sadiq Ali; Rauschendorfer, Tassilo; Rawat, Bharat Singh; Rodin, Volodymyr; Røhne, Ole; Sandaker, H.; Sharma, S.; Smolyanskiy, Petr; Sowiński, Theodoros; Tefelski, Dariusz; Volponi, Marco; Welsch, Carsten P.; Zawada, Michal; Zielinski, Jakub; Zurlo, Nicola. - In: POS PROCEEDINGS OF SCIENCE. - ISSN 1824-8039. - 480:(2025), pp. 082-082. ( 2024 Exotic Atoms and Related Topics Conference and the Low Energy Antiproton Conference, EXA-LEAP 2024 Vienna 26th August-30th August 2024) [10.22323/1.480.0082].

Prospects for forward emitted positronium from nanoporous membranes at AEgIS

Brusa, Roberto Sennen;Chehaimi, Ahmad;Ferguson, Riley;Mariazzi, Sebastiano;Penasa, Luca;
2025-01-01

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.
2025
Proceedings of Science
Trieste
Sissa Medialab Srl
Rienacker, B.; Alfaro Campos, Sara; Auzins, Marcis; Berghold, Michael; Bergmann, Benedikt; Burian, Petr; Brusa, Roberto Sennen; Camper, Antoine; Carav...espandi
Prospects for forward emitted positronium from nanoporous membranes at AEgIS / Rienacker, B.; Alfaro Campos, Sara; Auzins, Marcis; Berghold, Michael; Bergmann, Benedikt; Burian, Petr; Brusa, Roberto Sennen; Camper, Antoine; Caravita, Ruggero; Castelli, Fabrizio; Cerchiari, Giovanni; Ciuryło, Roman; Chehaimi, Ahmad; Consolati, Giovanni; Doser, Michael; Eliaszuk, Kamil; Ferguson, Riley; Germann, Matthias; Giszczak, Anna; Glöggler, Lisa Theresa; Graczykowski, Łukasz; Grosbart, Malgorzata; Guatieri, Francesco; Gusakova, Natali; Gustafsson, F.; Haider, Stefan; Huck, Saiva; Hugenschmidt, Christoph; Janik, Malgorzata Anna; Januszek, Timoteusz; Kasprowicz, Grzegorz; Kempny, Kamila; Khatri, Gunn; Kłosowski, Łukasz; Kornakov, G.; Krumins, Valts; Lappo, Lidia; Linek, Adam; Mariazzi, Sebastiano; Moskal, P.; Münster, Markus; Pandey, Pushpa; Pecak, Daniel; Penasa, Luca; Petracek, Vojtech; Piwinski, Mariusz; Pospišil, Stanislav; Prelz, Francesco; Rangwala, Sadiq Ali; Rauschendorfer, Tassilo; Rawat, Bharat Singh; Rodin, Volodymyr; Røhne, Ole; Sandaker, H.; Sharma, S.; Smolyanskiy, Petr; Sowiński, Theodoros; Tefelski, Dariusz; Volponi, Marco; Welsch, Carsten P.; Zawada, Michal; Zielinski, Jakub; Zurlo, Nicola. - In: POS PROCEEDINGS OF SCIENCE. - ISSN 1824-8039. - 480:(2025), pp. 082-082. ( 2024 Exotic Atoms and Related Topics Conference and the Low Energy Antiproton Conference, EXA-LEAP 2024 Vienna 26th August-30th August 2024) [10.22323/1.480.0082].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11572/480651
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