Contribution to a conference proceedings/Contribution to a book IMPULSE-2026-00032

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Prospects for forward emitted positronium from nanoporous membranes at AEgIS

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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 SciencesAustrian Academy of Sciences, Vienna., 28 Aug 2024 - 30 Aug 20242024-08-282024-08-30
Sissa Medialab Trieste, Italy 7 pages () [10.22323/1.480.0082]

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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)


Contributing Institute(s):
  1. NEPOMUC (NEPOMUC)
Experiment(s):
  1. No specific instrument

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 Datensatz erzeugt am 2026-01-30, letzte Änderung am 2026-02-04


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