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 Online-Ressource | |
| Verfasst von: | Antonello, Maddalena [VerfasserIn]  |
| Müller, Simon R. [VerfasserIn] | |
| Zimmer, Christian [VerfasserIn] | |
| Oberthaler, Markus K. [VerfasserIn] | |
| Titel: | Rydberg-positronium velocity and self-ionization studies in a 1T magnetic field and cryogenic environment |
| Verf.angabe: | M. Antonello, A. Belov, G. Bonomi, R.S. Brusa, M. Caccia, A. Camper, R. Caravita, F. Castelli, D. Comparat, G. Consolati, L. Di Noto, M. Doser, M. Fanì, R. Ferragut, J. Fesel, S. Gerber, A. Gligorova, L.T. Glöggler, F. Guatieri, S. Haider, A. Hinterberger, O. Khalidova, D. Krasnický, V. Lagomarsino, C. Malbrunot, S. Mariazzi, V. Matveev, S.R. Müller, G. Nebbia, P. Nedelec, L. Nowak, M. Oberthaler, E. Oswald, D. Pagano, L. Penasa, V. Petracek, F. Prelz, B. Rienäcker, O.M. Røhne, A. Rotondi, H. Sandaker, R. Santoro, G. Testera, I.C. Tietje, T. Wolz, C. Zimmer, and N. Zurlo (AEgIS Collaboration) |
| E-Jahr: | 2020 |
| Jahr: | 2 July 2020 |
| Umfang: | 10 S. |
| Fussnoten: | Gesehen am 17.09.2020 |
| Titel Quelle: | Enthalten in: Physical review |
| Ort Quelle: | Woodbury, NY : Inst., 2016 |
| Jahr Quelle: | 2020 |
| Band/Heft Quelle: | 102(2020,1) Artikel-Nummer 013101, 10 Seiten |
| ISSN Quelle: | 2469-9934 |
| Abstract: | We characterized the pulsed Rydberg-positronium production inside the Antimatter Experiment: Gravity, Interferometry, Spectroscopy (AE¯gIS) apparatus in view of antihydrogen formation by means of a charge exchange reaction between cold antiprotons and slow Rydberg-positronium atoms. Velocity measurements on the positronium along two axes in a cryogenic environment (≈10K) and in 1T magnetic field were performed. The velocimetry was done by microchannel-plate (MCP) imaging of a photoionized positronium previously excited to the n=3 state. One direction of velocity was measured via Doppler scan of this n=3 line, another direction perpendicular to the former by delaying the exciting laser pulses in a time-of-flight measurement. Self-ionization in the magnetic field due to the motional Stark effect was also quantified by using the same MCP-imaging technique for Rydberg positronium with an effective principal quantum number neff ranging between 14 and 22. We conclude with a discussion about the optimization of our experimental parameters for creating Rydberg positronium in preparation for an efficient pulsed production of antihydrogen. |
| DOI: | doi:10.1103/PhysRevA.102.013101 |
| URL: | Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt. Volltext ; Verlag: https://doi.org/10.1103/PhysRevA.102.013101 |
| Volltext: https://link.aps.org/doi/10.1103/PhysRevA.102.013101 | |
| DOI: https://doi.org/10.1103/PhysRevA.102.013101 | |
| Datenträger: | Online-Ressource |
| Sprache: | eng |
| K10plus-PPN: | 1733232508 |
| Verknüpfungen: | → Zeitschrift |
