AEgIS experiment

Towards antihydrogen beam production for antimatter gravity measurements

Sebastiano Mariazzi, Stefano Aghion, Claude Amsler, Akitaka Ariga, Tomoko Ariga, Alexandre S. Belov, Germano Bonomi, Philippe Bräunig, Roberto S. Brusa, Johan Bremer, Louis Cabaret, Carlo Canali, Ruggero Caravita, Fabrizio Castelli, Giovanni Cerchiari, Simone Cialdi, Daniel Comparat, Giovanni Consolati, Luca Dassa, Jan Hendrik Derking & 50 others Sergio Di Domizio, Lea Di Noto, Michael Doser, Alexey Dudarev, Antonio Ereditato, Rafael Ferragut, Andrea Fontana, Pablo Genova, Marco Giammarchi, Angela Gligorova, Sergei N. Gninenko, Stephen D. Hogan, Stefan Haider, Elena Jordan, Lars V. Jørgensen, Thomas Kaltenbacher, Jiro Kawada, Alban Kellerbauer, Mitsuhiro Kimura, Andreas Knecht, Daniel Krasnický, Vittorio Lagomarsino, Sebastian Lehner, Chloe Malbrunot, Viktor A. Matveev, Frederic Merkt, Fabio Moia, Giancarlo Nebbia, Patrick Nedelec, Markus K. Oberthaler, Nicola Pacifico, Vojtech Petráček, Ciro Pistillo, Francesco Prelz, Marco Prevedelli, Christian Regenfus, Cristina Riccardi, Ole Røhne, Alberto Rotondi, Heidi Sandaker, Paola Scampoli, James Storey, Martin A.Subieta Vasquez, Michal Špaček, Gemma Testera, Renzo Vaccarone, Fabio Villa, Eberhard Widmann, Sandra Zavatarelli, Johann Zmeskal

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

AEgIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) is an experiment that aims to perform the first direct measurement of the gravitational acceleration g of antihydrogen in the Earth's field. A cold antihydrogen beam will be produced by charge exchange reaction between cold antiprotons and positronium excited in Rydberg states. Rydberg positronium (with quantum number n between 20 and 30) will be produced by a two steps laser excitation. The antihydrogen beam, after being accelerated by Stark effect, will fly through the gratings of a moiré deflectometer. The deflection of the horizontal beam due to its free fall will be measured by a position sensitive detector. It is estimated that the detection of about 103antihydrogen atoms is required to determine the gravitational acceleration with a precision of 1%. In this report an overview of the AEgIS experiment is presented and its current status is described. Details on the production of slow positronium and its excitation with lasers are discussed.

Original languageEnglish
Article number41
JournalEuropean Physical Journal D
Volume68
Issue number3
DOIs
Publication statusPublished - Mar 1 2014

Fingerprint

antimatter
positronium
interferometry
gravitation
spectroscopy
free fall
antiprotons
Stark effect
charge exchange
quantum numbers
excitation
lasers
deflection
gratings
detectors
atoms

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

AEgIS experiment : Towards antihydrogen beam production for antimatter gravity measurements. / Mariazzi, Sebastiano; Aghion, Stefano; Amsler, Claude; Ariga, Akitaka; Ariga, Tomoko; Belov, Alexandre S.; Bonomi, Germano; Bräunig, Philippe; Brusa, Roberto S.; Bremer, Johan; Cabaret, Louis; Canali, Carlo; Caravita, Ruggero; Castelli, Fabrizio; Cerchiari, Giovanni; Cialdi, Simone; Comparat, Daniel; Consolati, Giovanni; Dassa, Luca; Derking, Jan Hendrik; Di Domizio, Sergio; Di Noto, Lea; Doser, Michael; Dudarev, Alexey; Ereditato, Antonio; Ferragut, Rafael; Fontana, Andrea; Genova, Pablo; Giammarchi, Marco; Gligorova, Angela; Gninenko, Sergei N.; Hogan, Stephen D.; Haider, Stefan; Jordan, Elena; Jørgensen, Lars V.; Kaltenbacher, Thomas; Kawada, Jiro; Kellerbauer, Alban; Kimura, Mitsuhiro; Knecht, Andreas; Krasnický, Daniel; Lagomarsino, Vittorio; Lehner, Sebastian; Malbrunot, Chloe; Matveev, Viktor A.; Merkt, Frederic; Moia, Fabio; Nebbia, Giancarlo; Nedelec, Patrick; Oberthaler, Markus K.; Pacifico, Nicola; Petráček, Vojtech; Pistillo, Ciro; Prelz, Francesco; Prevedelli, Marco; Regenfus, Christian; Riccardi, Cristina; Røhne, Ole; Rotondi, Alberto; Sandaker, Heidi; Scampoli, Paola; Storey, James; Vasquez, Martin A.Subieta; Špaček, Michal; Testera, Gemma; Vaccarone, Renzo; Villa, Fabio; Widmann, Eberhard; Zavatarelli, Sandra; Zmeskal, Johann.

In: European Physical Journal D, Vol. 68, No. 3, 41, 01.03.2014.

Research output: Contribution to journalArticle

Mariazzi, S, Aghion, S, Amsler, C, Ariga, A, Ariga, T, Belov, AS, Bonomi, G, Bräunig, P, Brusa, RS, Bremer, J, Cabaret, L, Canali, C, Caravita, R, Castelli, F, Cerchiari, G, Cialdi, S, Comparat, D, Consolati, G, Dassa, L, Derking, JH, Di Domizio, S, Di Noto, L, Doser, M, Dudarev, A, Ereditato, A, Ferragut, R, Fontana, A, Genova, P, Giammarchi, M, Gligorova, A, Gninenko, SN, Hogan, SD, Haider, S, Jordan, E, Jørgensen, LV, Kaltenbacher, T, Kawada, J, Kellerbauer, A, Kimura, M, Knecht, A, Krasnický, D, Lagomarsino, V, Lehner, S, Malbrunot, C, Matveev, VA, Merkt, F, Moia, F, Nebbia, G, Nedelec, P, Oberthaler, MK, Pacifico, N, Petráček, V, Pistillo, C, Prelz, F, Prevedelli, M, Regenfus, C, Riccardi, C, Røhne, O, Rotondi, A, Sandaker, H, Scampoli, P, Storey, J, Vasquez, MAS, Špaček, M, Testera, G, Vaccarone, R, Villa, F, Widmann, E, Zavatarelli, S & Zmeskal, J 2014, 'AEgIS experiment: Towards antihydrogen beam production for antimatter gravity measurements', European Physical Journal D, vol. 68, no. 3, 41. https://doi.org/10.1140/epjd/e2013-40690-3
Mariazzi, Sebastiano ; Aghion, Stefano ; Amsler, Claude ; Ariga, Akitaka ; Ariga, Tomoko ; Belov, Alexandre S. ; Bonomi, Germano ; Bräunig, Philippe ; Brusa, Roberto S. ; Bremer, Johan ; Cabaret, Louis ; Canali, Carlo ; Caravita, Ruggero ; Castelli, Fabrizio ; Cerchiari, Giovanni ; Cialdi, Simone ; Comparat, Daniel ; Consolati, Giovanni ; Dassa, Luca ; Derking, Jan Hendrik ; Di Domizio, Sergio ; Di Noto, Lea ; Doser, Michael ; Dudarev, Alexey ; Ereditato, Antonio ; Ferragut, Rafael ; Fontana, Andrea ; Genova, Pablo ; Giammarchi, Marco ; Gligorova, Angela ; Gninenko, Sergei N. ; Hogan, Stephen D. ; Haider, Stefan ; Jordan, Elena ; Jørgensen, Lars V. ; Kaltenbacher, Thomas ; Kawada, Jiro ; Kellerbauer, Alban ; Kimura, Mitsuhiro ; Knecht, Andreas ; Krasnický, Daniel ; Lagomarsino, Vittorio ; Lehner, Sebastian ; Malbrunot, Chloe ; Matveev, Viktor A. ; Merkt, Frederic ; Moia, Fabio ; Nebbia, Giancarlo ; Nedelec, Patrick ; Oberthaler, Markus K. ; Pacifico, Nicola ; Petráček, Vojtech ; Pistillo, Ciro ; Prelz, Francesco ; Prevedelli, Marco ; Regenfus, Christian ; Riccardi, Cristina ; Røhne, Ole ; Rotondi, Alberto ; Sandaker, Heidi ; Scampoli, Paola ; Storey, James ; Vasquez, Martin A.Subieta ; Špaček, Michal ; Testera, Gemma ; Vaccarone, Renzo ; Villa, Fabio ; Widmann, Eberhard ; Zavatarelli, Sandra ; Zmeskal, Johann. / AEgIS experiment : Towards antihydrogen beam production for antimatter gravity measurements. In: European Physical Journal D. 2014 ; Vol. 68, No. 3.
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abstract = "AEgIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) is an experiment that aims to perform the first direct measurement of the gravitational acceleration g of antihydrogen in the Earth's field. A cold antihydrogen beam will be produced by charge exchange reaction between cold antiprotons and positronium excited in Rydberg states. Rydberg positronium (with quantum number n between 20 and 30) will be produced by a two steps laser excitation. The antihydrogen beam, after being accelerated by Stark effect, will fly through the gratings of a moir{\'e} deflectometer. The deflection of the horizontal beam due to its free fall will be measured by a position sensitive detector. It is estimated that the detection of about 103antihydrogen atoms is required to determine the gravitational acceleration with a precision of 1{\%}. In this report an overview of the AEgIS experiment is presented and its current status is described. Details on the production of slow positronium and its excitation with lasers are discussed.",
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AU - Mariazzi, Sebastiano

AU - Aghion, Stefano

AU - Amsler, Claude

AU - Ariga, Akitaka

AU - Ariga, Tomoko

AU - Belov, Alexandre S.

AU - Bonomi, Germano

AU - Bräunig, Philippe

AU - Brusa, Roberto S.

AU - Bremer, Johan

AU - Cabaret, Louis

AU - Canali, Carlo

AU - Caravita, Ruggero

AU - Castelli, Fabrizio

AU - Cerchiari, Giovanni

AU - Cialdi, Simone

AU - Comparat, Daniel

AU - Consolati, Giovanni

AU - Dassa, Luca

AU - Derking, Jan Hendrik

AU - Di Domizio, Sergio

AU - Di Noto, Lea

AU - Doser, Michael

AU - Dudarev, Alexey

AU - Ereditato, Antonio

AU - Ferragut, Rafael

AU - Fontana, Andrea

AU - Genova, Pablo

AU - Giammarchi, Marco

AU - Gligorova, Angela

AU - Gninenko, Sergei N.

AU - Hogan, Stephen D.

AU - Haider, Stefan

AU - Jordan, Elena

AU - Jørgensen, Lars V.

AU - Kaltenbacher, Thomas

AU - Kawada, Jiro

AU - Kellerbauer, Alban

AU - Kimura, Mitsuhiro

AU - Knecht, Andreas

AU - Krasnický, Daniel

AU - Lagomarsino, Vittorio

AU - Lehner, Sebastian

AU - Malbrunot, Chloe

AU - Matveev, Viktor A.

AU - Merkt, Frederic

AU - Moia, Fabio

AU - Nebbia, Giancarlo

AU - Nedelec, Patrick

AU - Oberthaler, Markus K.

AU - Pacifico, Nicola

AU - Petráček, Vojtech

AU - Pistillo, Ciro

AU - Prelz, Francesco

AU - Prevedelli, Marco

AU - Regenfus, Christian

AU - Riccardi, Cristina

AU - Røhne, Ole

AU - Rotondi, Alberto

AU - Sandaker, Heidi

AU - Scampoli, Paola

AU - Storey, James

AU - Vasquez, Martin A.Subieta

AU - Špaček, Michal

AU - Testera, Gemma

AU - Vaccarone, Renzo

AU - Villa, Fabio

AU - Widmann, Eberhard

AU - Zavatarelli, Sandra

AU - Zmeskal, Johann

PY - 2014/3/1

Y1 - 2014/3/1

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