Testing the Weak Equivalence Principle with an antimatter beam at CERN

M. Kimura, S. Aghion, C. Amsler, A. Ariga, Tomoko Ariga, A. 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. DemetrioH. Derking, L. Di Noto, M. Doser, A. Dudarev, A. Ereditato, R. Ferragut, A. Fontana, S. Gerber, M. Giammarchi, A. Gligorova, S. Gninenko, S. Haider, H. Holmestad, T. Huse, E. J. Jordan, J. Kawada, A. Kellerbauer, D. Krasnicky, V. Lagomarsino, S. Lehner, C. Malbrunot, S. Mariazzi, 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, C. Riccardi, O. M. Røhne, S. Rosenberger, A. Rotondi, M. Sacerdoti, H. Sandaker, R. Santoro, P. Scampoli, F. Sorrentino, M. Spacek, I. M. Strojek, J. Storey, M. Subieta, G. Testera, E. Widmann, P. Yzombard, S. Zavatarelli, J. Zmeskal

Research output: Contribution to journalConference article

3 Citations (Scopus)

Abstract

The goal of the AEgIS experiment is to measure the gravitational acceleration of antihydrogen - the simplest atom consisting entirely of antimatter - with the ultimate precision of 1%. We plan to verify the Weak Equivalence Principle (WEP), one of the fundamental laws of nature, with an antimatter beam. The experiment consists of a positron accumulator, an antiproton trap and a Stark accelerator in a solenoidal magnetic field to form and accelerate a pulsed beam of antihydrogen atoms towards a free-fall detector. The antihydrogen beam passes through a moiré deflectometer to measure the vertical displacement due to the gravitational force. A position and time sensitive hybrid detector registers the annihilation points of the antihydrogen atoms and their time-of-flight. The detection principle has been successfully tested with antiprotons and a miniature moiré deflectometer coupled to a nuclear emulsion detector.

Original languageEnglish
Article number012047
JournalJournal of Physics: Conference Series
Volume631
Issue number1
DOIs
Publication statusPublished - Jul 30 2015
Event4th Symposium on Prospects in the Physics of Discrete Symmetries, DISCRETE 2014 - London, United Kingdom
Duration: Dec 2 2014Dec 6 2014

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antimatter
equivalence
antiprotons
detectors
atoms
free fall
nuclear emulsions
registers
accumulators
positrons
accelerators
traps
magnetic fields

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Testing the Weak Equivalence Principle with an antimatter beam at CERN. / Kimura, M.; Aghion, S.; Amsler, C.; Ariga, A.; Ariga, Tomoko; Belov, A.; 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.; Derking, H.; Noto, L. Di; Doser, M.; Dudarev, A.; Ereditato, A.; Ferragut, R.; Fontana, A.; Gerber, S.; Giammarchi, M.; Gligorova, A.; Gninenko, S.; Haider, S.; Holmestad, H.; Huse, T.; Jordan, E. J.; Kawada, J.; Kellerbauer, A.; Krasnicky, D.; Lagomarsino, V.; Lehner, S.; Malbrunot, C.; Mariazzi, S.; 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.; Riccardi, C.; Røhne, O. M.; Rosenberger, S.; Rotondi, A.; Sacerdoti, M.; Sandaker, H.; Santoro, R.; Scampoli, P.; Sorrentino, F.; Spacek, M.; Strojek, I. M.; Storey, J.; Subieta, M.; Testera, G.; Widmann, E.; Yzombard, P.; Zavatarelli, S.; Zmeskal, J.

In: Journal of Physics: Conference Series, Vol. 631, No. 1, 012047, 30.07.2015.

Research output: Contribution to journalConference article

Kimura, M, Aghion, S, Amsler, C, Ariga, A, Ariga, T, Belov, A, Bonomi, G, Bräunig, P, Bremer, J, Brusa, RS, Cabaret, L, Caccia, M, Caravita, R, Castelli, F, Cerchiari, G, Chlouba, K, Cialdi, S, Comparat, D, Consolati, G, Demetrio, A, Derking, H, Noto, LD, Doser, M, Dudarev, A, Ereditato, A, Ferragut, R, Fontana, A, Gerber, S, Giammarchi, M, Gligorova, A, Gninenko, S, Haider, S, Holmestad, H, Huse, T, Jordan, EJ, Kawada, J, Kellerbauer, A, Krasnicky, D, Lagomarsino, V, Lehner, S, Malbrunot, C, Mariazzi, S, 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, Riccardi, C, Røhne, OM, Rosenberger, S, Rotondi, A, Sacerdoti, M, Sandaker, H, Santoro, R, Scampoli, P, Sorrentino, F, Spacek, M, Strojek, IM, Storey, J, Subieta, M, Testera, G, Widmann, E, Yzombard, P, Zavatarelli, S & Zmeskal, J 2015, 'Testing the Weak Equivalence Principle with an antimatter beam at CERN', Journal of Physics: Conference Series, vol. 631, no. 1, 012047. https://doi.org/10.1088/1742-6596/631/1/012047
Kimura, M. ; Aghion, S. ; Amsler, C. ; Ariga, A. ; Ariga, Tomoko ; Belov, A. ; 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. ; Derking, H. ; Noto, L. Di ; Doser, M. ; Dudarev, A. ; Ereditato, A. ; Ferragut, R. ; Fontana, A. ; Gerber, S. ; Giammarchi, M. ; Gligorova, A. ; Gninenko, S. ; Haider, S. ; Holmestad, H. ; Huse, T. ; Jordan, E. J. ; Kawada, J. ; Kellerbauer, A. ; Krasnicky, D. ; Lagomarsino, V. ; Lehner, S. ; Malbrunot, C. ; Mariazzi, S. ; 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. ; Riccardi, C. ; Røhne, O. M. ; Rosenberger, S. ; Rotondi, A. ; Sacerdoti, M. ; Sandaker, H. ; Santoro, R. ; Scampoli, P. ; Sorrentino, F. ; Spacek, M. ; Strojek, I. M. ; Storey, J. ; Subieta, M. ; Testera, G. ; Widmann, E. ; Yzombard, P. ; Zavatarelli, S. ; Zmeskal, J. / Testing the Weak Equivalence Principle with an antimatter beam at CERN. In: Journal of Physics: Conference Series. 2015 ; Vol. 631, No. 1.
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abstract = "The goal of the AEgIS experiment is to measure the gravitational acceleration of antihydrogen - the simplest atom consisting entirely of antimatter - with the ultimate precision of 1{\%}. We plan to verify the Weak Equivalence Principle (WEP), one of the fundamental laws of nature, with an antimatter beam. The experiment consists of a positron accumulator, an antiproton trap and a Stark accelerator in a solenoidal magnetic field to form and accelerate a pulsed beam of antihydrogen atoms towards a free-fall detector. The antihydrogen beam passes through a moir{\'e} deflectometer to measure the vertical displacement due to the gravitational force. A position and time sensitive hybrid detector registers the annihilation points of the antihydrogen atoms and their time-of-flight. The detection principle has been successfully tested with antiprotons and a miniature moir{\'e} deflectometer coupled to a nuclear emulsion detector.",
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AU - Kimura, M.

AU - Aghion, S.

AU - Amsler, C.

AU - Ariga, A.

AU - Ariga, Tomoko

AU - Belov, A.

AU - Bonomi, G.

AU - Bräunig, P.

AU - Bremer, J.

AU - Brusa, R. S.

AU - Cabaret, L.

AU - Caccia, M.

AU - Caravita, R.

AU - Castelli, F.

AU - Cerchiari, G.

AU - Chlouba, K.

AU - Cialdi, S.

AU - Comparat, D.

AU - Consolati, G.

AU - Demetrio, A.

AU - Derking, H.

AU - Noto, L. Di

AU - Doser, M.

AU - Dudarev, A.

AU - Ereditato, A.

AU - Ferragut, R.

AU - Fontana, A.

AU - Gerber, S.

AU - Giammarchi, M.

AU - Gligorova, A.

AU - Gninenko, S.

AU - Haider, S.

AU - Holmestad, H.

AU - Huse, T.

AU - Jordan, E. J.

AU - Kawada, J.

AU - Kellerbauer, A.

AU - Krasnicky, D.

AU - Lagomarsino, V.

AU - Lehner, S.

AU - Malbrunot, C.

AU - Mariazzi, S.

AU - Matveev, V.

AU - Mazzotta, Z.

AU - Nebbia, G.

AU - Nedelec, P.

AU - Oberthaler, M.

AU - Pacifico, N.

AU - Pagano, D.

AU - Penasa, L.

AU - Petracek, V.

AU - Pistillo, C.

AU - Prelz, F.

AU - Prevedelli, M.

AU - Ravelli, L.

AU - Riccardi, C.

AU - Røhne, O. M.

AU - Rosenberger, S.

AU - Rotondi, A.

AU - Sacerdoti, M.

AU - Sandaker, H.

AU - Santoro, R.

AU - Scampoli, P.

AU - Sorrentino, F.

AU - Spacek, M.

AU - Strojek, I. M.

AU - Storey, J.

AU - Subieta, M.

AU - Testera, G.

AU - Widmann, E.

AU - Yzombard, P.

AU - Zavatarelli, S.

AU - Zmeskal, J.

PY - 2015/7/30

Y1 - 2015/7/30

N2 - The goal of the AEgIS experiment is to measure the gravitational acceleration of antihydrogen - the simplest atom consisting entirely of antimatter - with the ultimate precision of 1%. We plan to verify the Weak Equivalence Principle (WEP), one of the fundamental laws of nature, with an antimatter beam. The experiment consists of a positron accumulator, an antiproton trap and a Stark accelerator in a solenoidal magnetic field to form and accelerate a pulsed beam of antihydrogen atoms towards a free-fall detector. The antihydrogen beam passes through a moiré deflectometer to measure the vertical displacement due to the gravitational force. A position and time sensitive hybrid detector registers the annihilation points of the antihydrogen atoms and their time-of-flight. The detection principle has been successfully tested with antiprotons and a miniature moiré deflectometer coupled to a nuclear emulsion detector.

AB - The goal of the AEgIS experiment is to measure the gravitational acceleration of antihydrogen - the simplest atom consisting entirely of antimatter - with the ultimate precision of 1%. We plan to verify the Weak Equivalence Principle (WEP), one of the fundamental laws of nature, with an antimatter beam. The experiment consists of a positron accumulator, an antiproton trap and a Stark accelerator in a solenoidal magnetic field to form and accelerate a pulsed beam of antihydrogen atoms towards a free-fall detector. The antihydrogen beam passes through a moiré deflectometer to measure the vertical displacement due to the gravitational force. A position and time sensitive hybrid detector registers the annihilation points of the antihydrogen atoms and their time-of-flight. The detection principle has been successfully tested with antiprotons and a miniature moiré deflectometer coupled to a nuclear emulsion detector.

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