Real-time detector for plasma diagnostic in antimatter experiment

In the ATHENA experiment, which has recently produced and detected cold antihydrogen, the antiatoms formation is performed by mixing two cold (meV) charged clouds of positrons and antiprotons. The antihydrogen production is strictly dependent on positron plasma parameters. For this purpose we develo...

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Detalles Bibliográficos
Autores principales: Carraro, C, Amoretti, M, Amsler, Claude, Bonomi, G, Bouchta, A, Bowe, P, Cesar, C L, Charlton, M, Doser, Michael, Filippini, V, Fontana, A, Fujiwara, M C, Funakoshi, R, Genova, P, Hangst, J S, Hayano, R S, Jørgensen, L V, Lagomarsino, V, Landua, Rolf, Lindelöf, D, Lodi Rizzini, E, Macri, M, Madsen, N, Manuzio, G, Montagna, P, Pruys, H S, Regenfus, C, Rotondi, A, Testera, G, Variola, A, Van der Werf, D P
Lenguaje:eng
Publicado: 2004
Materias:
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1016/j.nima.2003.10.073
http://cds.cern.ch/record/802358
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author Carraro, C
Amoretti, M
Amsler, Claude
Bonomi, G
Bouchta, A
Bowe, P
Cesar, C L
Charlton, M
Doser, Michael
Filippini, V
Fontana, A
Fujiwara, M C
Funakoshi, R
Genova, P
Hangst, J S
Hayano, R S
Jørgensen, L V
Lagomarsino, V
Landua, Rolf
Lindelöf, D
Lodi Rizzini, E
Macri, M
Madsen, N
Manuzio, G
Montagna, P
Pruys, H S
Regenfus, C
Rotondi, A
Testera, G
Variola, A
Van der Werf, D P
author_facet Carraro, C
Amoretti, M
Amsler, Claude
Bonomi, G
Bouchta, A
Bowe, P
Cesar, C L
Charlton, M
Doser, Michael
Filippini, V
Fontana, A
Fujiwara, M C
Funakoshi, R
Genova, P
Hangst, J S
Hayano, R S
Jørgensen, L V
Lagomarsino, V
Landua, Rolf
Lindelöf, D
Lodi Rizzini, E
Macri, M
Madsen, N
Manuzio, G
Montagna, P
Pruys, H S
Regenfus, C
Rotondi, A
Testera, G
Variola, A
Van der Werf, D P
author_sort Carraro, C
collection CERN
description In the ATHENA experiment, which has recently produced and detected cold antihydrogen, the antiatoms formation is performed by mixing two cold (meV) charged clouds of positrons and antiprotons. The antihydrogen production is strictly dependent on positron plasma parameters. For this purpose we developed a new system to investigate such properties in a non-destructive way. The method is based upon the measurement of the plasma response under a frequency sweep RF excitation and its subsequent analysis. Plasmas trapped in Penning trap exhibit typical resonant collective modes characterized by frequencies, amplitudes and widths dependent on the particle number, density, spatial extent and temperature. With this system it is so possible to have a real-time monitor of the plasma during antihydrogen production.
id cern-802358
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2004
record_format invenio
spelling cern-8023582019-09-30T06:29:59Zdoi:10.1016/j.nima.2003.10.073http://cds.cern.ch/record/802358engCarraro, CAmoretti, MAmsler, ClaudeBonomi, GBouchta, ABowe, PCesar, C LCharlton, MDoser, MichaelFilippini, VFontana, AFujiwara, M CFunakoshi, RGenova, PHangst, J SHayano, R SJørgensen, L VLagomarsino, VLandua, RolfLindelöf, DLodi Rizzini, EMacri, MMadsen, NManuzio, GMontagna, PPruys, H SRegenfus, CRotondi, ATestera, GVariola, AVan der Werf, D PReal-time detector for plasma diagnostic in antimatter experimentDetectors and Experimental TechniquesIn the ATHENA experiment, which has recently produced and detected cold antihydrogen, the antiatoms formation is performed by mixing two cold (meV) charged clouds of positrons and antiprotons. The antihydrogen production is strictly dependent on positron plasma parameters. For this purpose we developed a new system to investigate such properties in a non-destructive way. The method is based upon the measurement of the plasma response under a frequency sweep RF excitation and its subsequent analysis. Plasmas trapped in Penning trap exhibit typical resonant collective modes characterized by frequencies, amplitudes and widths dependent on the particle number, density, spatial extent and temperature. With this system it is so possible to have a real-time monitor of the plasma during antihydrogen production.oai:cds.cern.ch:8023582004
spellingShingle Detectors and Experimental Techniques
Carraro, C
Amoretti, M
Amsler, Claude
Bonomi, G
Bouchta, A
Bowe, P
Cesar, C L
Charlton, M
Doser, Michael
Filippini, V
Fontana, A
Fujiwara, M C
Funakoshi, R
Genova, P
Hangst, J S
Hayano, R S
Jørgensen, L V
Lagomarsino, V
Landua, Rolf
Lindelöf, D
Lodi Rizzini, E
Macri, M
Madsen, N
Manuzio, G
Montagna, P
Pruys, H S
Regenfus, C
Rotondi, A
Testera, G
Variola, A
Van der Werf, D P
Real-time detector for plasma diagnostic in antimatter experiment
title Real-time detector for plasma diagnostic in antimatter experiment
title_full Real-time detector for plasma diagnostic in antimatter experiment
title_fullStr Real-time detector for plasma diagnostic in antimatter experiment
title_full_unstemmed Real-time detector for plasma diagnostic in antimatter experiment
title_short Real-time detector for plasma diagnostic in antimatter experiment
title_sort real-time detector for plasma diagnostic in antimatter experiment
topic Detectors and Experimental Techniques
url https://dx.doi.org/10.1016/j.nima.2003.10.073
http://cds.cern.ch/record/802358
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