Techniques for production and detection of 2(3)S positronium

In this work, we show recent measurements of 2(3)S long-lived positronium production via spontaneous decay from the 3(3)P level. The possibility to tune the velocity of the 2(3)S positronium, excited following this scheme, is presented. In the light of these results, we discuss the use of the 3(3)P...

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Main Authors: Mariazzi, Sebastiano (Author) , Caravita, R. (Author) , Vespertini, A. (Author) , Camper, A. (Author) , Rienacker, B. (Author) , Brusa, R. S. (Author) , Antonello, M. (Author) , Belov, A. (Author) , Bonomi, G. (Author) , Caccia, M. (Author) , Castelli, F. (Author) , Cerchiari, G. (Author) , Comparat, D. (Author) , Consolati, G. (Author) , Demetrio, Andrea (Author) , Noto, Di (Author) , Doser, M. (Author) , Fani, M. (Author) , Fesel, J. (Author) , Gerber, S. (Author) , Gligorova, A. (Author) , Guatieri, F. (Author) , Hackstock, P. (Author) , Haider, S. (Author) , Hinterberger, A. (Author) , Kellerbauer, Alban (Author) , Khalidova, O. (Author) , Krasnicky, D. (Author) , Lagomarsino, V. (Author) , Lebrun, P. (Author) , Malbrunot, C. (Author) , Matveev, V. (Author) , Müller, Simon R. (Author) , Nebbia, G. (Author) , Nedelec, P. (Author) , Oberthaler, Markus K. (Author) , Oswald, E. (Author) , Pagano, D. (Author) , Penasa, L. (Author) , Petracek, V. (Author) , Prelz, F. (Author) , Prevedelli, M. (Author) , Robert, J. (Author) , Rohne, O. M. (Author) , Rotondi, A. (Author) , Sandaker, H. (Author) , Santoro, R. (Author) , Testera, G. (Author) , Tietje, I. C. (Author) , Widmann, E. (Author) , Wolz, T. (Author) , Yzombard, P. (Author) , Zimmer, Christian (Author) , Zurlo, N. (Author)
Format: Article (Journal)
Language:English
Published: 2020
In: Acta physica Polonica
Year: 2020, Volume: 137, Issue: 2, Pages: 91-95
ISSN:1898-794X
DOI:10.12693/APhysPolA.137.92
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.12693/APhysPolA.137.92
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Author Notes:S. Mariazzi, R. Caravita, A. Vespertini, A. Camper, B. Rienacker, R. S. Brusa, M. Antonello, A. Belov, G. Bonomi, M. Caccia, F. Castelli, G. Cerchiari, D. Comparat, G. Consolati, A. Demetrio, Di Noto, M. Doser, M. Fani, J. Fesel, S. Gerber, A. Gligorova, F. Guatieri, P. Hackstock, S. Haider, A. Hinterberger, A. Kellerbauer, O. Khalidova, D. Krasnicky, V. Lagomarsino, P. Lebrun, C. Malbrunot, V. Matveev, S. R. Muller, G. Nebbia, P. Nedelec, M. Oberthaler, E. Oswald, D. Pagano, L. Penasa, V. Petracek, F. Prelz, M. Prevedelli, J. Robert, O. M. Rohne, A. Rotondi, H. Sandaker, R. Santoro, G. Testera, I. C. Tietje, E. Widmann, T. Wolz, P. Yzombard, C. Zimmer, N. Zurlo
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Summary:In this work, we show recent measurements of 2(3)S long-lived positronium production via spontaneous decay from the 3(3)P level. The possibility to tune the velocity of the 2(3)S positronium, excited following this scheme, is presented. In the light of these results, we discuss the use of the 3(3)P -> 2(3)S transition to realize a monochromatic pulsed 2(3)S positronium beam with low angular divergence. Preliminary tests of 2(3)S beam production are presented. The possibility to overcome the natural 3(3)P -> 2(3)S branching ratio via stimulated emission, and thus increasing the intensity of the 2(3)S source, is also shown. A position-sensitive detector for a pulsed beam of positronium, with spatial resolution of approximate to 90 mu m, is finally described in view of its possible application for the spatial characterization of the 2(3)S beam.
Item Description:Gesehen am 20.07.2020
Physical Description:Online Resource
ISSN:1898-794X
DOI:10.12693/APhysPolA.137.92