Positron bunching and electrostatic transport system for the production and emission of dense positronium clouds into vacuum
Articolo
Data di Pubblicazione:
2015
Citazione:
Positron bunching and electrostatic transport system for the production and emission of dense positronium clouds into vacuum / S. Aghion, C. Amsler, A. Ariga, T. Ariga, A.S. Belov, G. Bonomi, P. Bräunig, J. Bremer, R.S. Brusa, L. Cabaret, M. Caccia, R. Caravita, F. Castelli, G. Cerchiari, K. Chlouba, S. Cialdi, D. Comparat, G. Consolati, A. Demetrio, L. Di Noto, M. Doser, A. Dudarev, A. Ereditato, C. Evans, J. Fesel, A. Fontana, O.K. Forslund, S. Gerber, M. Giammarchi, A. Gligorova, S. Gninenko, F. Guatieri, S. Haider, H. Holmestad, T. Huse, I.L. Jernelv, E. Jordan, T. Kaltenbacher, A. Kellerbauer, M. Kimura, T. Koetting, D. Krasnicky, V. Lagomarsino, P. Lebrun, P. Lansonneur, S. Lehner, J. Liberadzka, C. Malbrunot, S. Mariazzi, L. Marx, V. Matveev, Z. Mazzotta, G. Nebbia, P. Nedelec, M. Oberthaler, N. Pacifico, D. Pagano, L. Penasa, V. Petracek, C. Pistillo, F. Prelz, M. Prevedelli, L. Ravelli, B. Rienäcker, O.M. Røhne, S. Rosenberger, A. Rotondi, M. Sacerdoti, H. Sandaker, R. Santoro, P. Scampoli, F. Sorrentino, M. Spacek, J. Storey, I.M. Strojek, G. Testera, I. Tietje, S. Vamosi, E. Widmann, P. Yzombard, S. Zavatarelli, J. Zmeskal. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION B, BEAM INTERACTIONS WITH MATERIALS AND ATOMS. - ISSN 0168-583X. - 362(2015 Nov), pp. 86-92. [10.1016/j.nimb.2015.08.097]
Abstract:
We 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 0.085 T 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 4 mm FWTM in bunches of ∼8 ns FWHM. Emission of positronium into the vacuum is shown by single shot positron annihilation lifetime spectroscopy.
Tipologia IRIS:
01 - Articolo su periodico
Keywords:
Bunching; Positron; Positronium; Nuclear and High Energy Physics; Instrumentation
Elenco autori:
S. Aghion, C. Amsler, A. Ariga, T. Ariga, A.S. Belov, G. Bonomi, P. Bräunig, J. Bremer, R.S. Brusa, L. Cabaret, M. Caccia, R. Caravita, F. Castelli, G. Cerchiari, K. Chlouba, S. Cialdi, D. Comparat, G. Consolati, A. Demetrio, L. Di Noto, M. Doser, A. Dudarev, A. Ereditato, C. Evans, J. Fesel, A. Fontana, O.K. Forslund, S. Gerber, M. Giammarchi, A. Gligorova, S. Gninenko, F. Guatieri, S. Haider, H. Holmestad, T. Huse, I.L. Jernelv, E. Jordan, T. Kaltenbacher, A. Kellerbauer, M. Kimura, T. Koetting, D. Krasnicky, V. Lagomarsino, P. Lebrun, P. Lansonneur, S. Lehner, J. Liberadzka, C. Malbrunot, S. Mariazzi, L. Marx, V. Matveev, Z. Mazzotta, G. Nebbia, P. Nedelec, M. Oberthaler, N. Pacifico, D. Pagano, L. Penasa, V. Petracek, C. Pistillo, F. Prelz, M. Prevedelli, L. Ravelli, B. Rienäcker, O.M. Røhne, S. Rosenberger, A. Rotondi, M. Sacerdoti, H. Sandaker, R. Santoro, P. Scampoli, F. Sorrentino, M. Spacek, J. Storey, I.M. Strojek, G. Testera, I. Tietje, S. Vamosi, E. Widmann, P. Yzombard, S. Zavatarelli, J. Zmeskal
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