Positron bunching and electrostatic transport system for the production and emission of dense positronium clouds into vacuum
- Aghion, S.
- Amsler, C.
- Ariga, A.
- Ariga, T.
- Belov, A.S.
- Bonomi, G.
- Bräunig, P.
- Bremer, J.
- Brusa, R.S.
- Cabaret, L.
- Caccia, M.
- Caravita, R.
- Castelli, F.
- Cerchiari, G.
- Chlouba, K.
- Cialdi, S.
- Comparat, D.
- Consolati, G.
- Demetrio, A.
- Di Noto, L.
- Doser, M.
- Dudarev, A.
- Ereditato, A.
- Evans, C.
- Fesel, J.
- Fontana, A.
- Forslund, O.K.
- Gerber, S.
- Giammarchi, M.
- Gligorova, A.
- Gninenko, S.
- Guatieri, F.
- Haider, S.
- Holmestad, H.
- Huse, T.
- Jernelv, I.L.
- Jordan, E.
- Kaltenbacher, T.
- Kellerbauer, A.
- Kimura, M.
- Koetting, T.
- Krasnicky, D.
- Lagomarsino, V.
- Lebrun, P.
- Lansonneur, P.
- Lehner, S.
- Liberadzka, J.
- Malbrunot, C.
- Mariazzi, S.
- Marx, L.
- Matveev, V.
- Mazzotta, Z.
- Nebbia, G.
- Nedelec, P.
- Oberthaler, M.
- Pacifico, N.
- Pagano, D.
- Penasa, L.
- Petracek, V.
- Pistillo, C.
- Prelz, F.
- Prevedelli, M.
- Ravelli, L.
- Rienäcker, B.
- Røhne, O.M.
- Rosenberger, S.
- Rotondi, A.
- Sacerdoti, M.
- Sandaker, H.
- Santoro, R.
- Scampoli, P.
- Sorrentino, F.
- Spacek, M.
- Storey, J.
- Strojek, I.M.
- Testera, G.
- Tietje, I.
- Vamosi, S.
- Widmann, E.
- Yzombard, P.
- Zavatarelli, S.
- Zmeskal, J.
Publication date
November 2015
DOI Publisher
CERN for the benefit of the Authors. Published by Elsevier B.V.Abstract
AbstractWe describe a system designed to re-bunch positron pulses delivered by an accumulator supplied by a positron source and a Surko-trap. Positron pulses from the accumulator are magnetically guided in a 0.085T field and are injected into a region free of magnetic fields through a μ-metal field terminator. Here positrons are temporally compressed, electrostatically guided and accelerated towards a porous silicon target for the production and emission of positronium into vacuum. Positrons are focused in a spot of less than 4mm FWTM in bunches of ∼8ns FWHM. Emission of positronium into the vacuum is shown by single shot positron annihilation lifetime spectroscopy
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