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[Author: Ariga, T] AND [Keyword: Gravity] (2)	29 Mar 2025	Run
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[Author: Ariga, A] AND [Keyword: Gravity] (2)	29 Mar 2025	Run
[Author: Lim, Y C] AND [Keyword: Medical] (1)	29 Mar 2025	Run
Keyword: Gravity (1)	29 Mar 2025	Run

articleOpen Access
Measuring with , progress and perspectives
- D. Krasnický,
- S. Aghion,
- O. Ahlén,
- C. Amsler,
- A. Ariga,
- T. Ariga,
- A. S. Belov,
- K. Berggren,
- G. Bonomi,
- P. Bräunig,
- J. Bremer,
- R. S. Brusa,
- L. Cabaret,
- C. Canali,
- R. Caravita,
- F. Castelli,
- G. Cerchiari,
- S. Cialdi,
- D. Comparat,
- G. Consolati,
- H. Derking,
- S. Di Domizio,
- L. Di Noto,
- M. Doser,
- A. Dudarev,
- A. Ereditato,
- R. Ferragut,
- A. Fontana,
- P. Genova,
- M. Giammarchi,
- A. Gligorova,
- S. N. Gninenko,
- S. Haider,
- T. Huse,
- E. Jordan,
- L. V. Jørgensen,
- T. Kaltenbacher,
- J. Kawada,
- A. Kellerbauer,
- M. Kimura,
- A. Knecht,
- V. Lagomarsino,
- S. Lehner,
- A. Magnani,
- C. Malbrunot,
- S. Mariazzi,
- V. A. Matveev,
- G. Nebbia,
- P. Nédélec,
- M. K. Oberthaler,
- N. Pacifico,
- V. Petráček,
- C. Pistillo,
- F. Prelz,
- M. Prevedelli,
- C. Regenfus,
- C. Riccardi,
- O. Røhne,
- A. Rotondi,
- H. Sandaker,
- P. Scampoli,
- J. Storey,
- M. A. Subieta Vasquez,
- M. Špaček,
- G. Testera,
- E. Widmann,
- P. Yzombard,
- S. Zavatarelli, and
- J. Zmeskal
International Journal of Modern Physics: Conference Series01 Jan 2014
Preview Abstract
experiment's main goal is to measure the local gravitational acceleration of antihydrogen and thus perform a direct test of the weak equivalence principle with antimatter. In the first phase of the experiment the aim is to measure with 1% relative precision. This paper presents the antihydrogen production method and a description of some components of the experiment, which are necessary for the gravity measurement. Current status of the experimental apparatus is presented and recent commissioning results with antiprotons are outlined. In conclusion we discuss the short-term goals of the collaboration that will pave the way for the first gravity measurement in the near future.
articleOpen Access
Measuring GBAR with emulsion detector
- T. Ariga,
- S. Aghion,
- O. Ahlén,
- C. Amsler,
- A. Ariga,
- A. S. Belov,
- K. Berggren,
- G. Bonomi,
- P. Bräunig,
- J. Bremer,
- R. S. Brusa,
- L. Cabaret,
- C. Canali,
- R. Caravita,
- F. Castelli,
- G. Cerchiari,
- S. Cialdi,
- D. Comparat,
- G. Consolati,
- H. Derking,
- S. Di Domizio,
- L. Di Noto,
- M. Doser,
- A. Dudarev,
- A. Ereditato,
- R. Ferragut,
- A. Fontana,
- P. Genova,
- M. Giammarchi,
- A. Gligorova,
- S. N. Gninenko,
- S. Haider,
- T. Huse,
- E. Jordan,
- L. V. Jørgensen,
- T. Kaltenbacher,
- J. Kawada,
- A. Kellerbauer,
- M. Kimura,
- A. Knecht,
- D. Krasniký,
- V. Lagomarsino,
- S. Lehner,
- A. Magnani,
- C. Malbrunot,
- S. Mariazzi,
- V. A. Matveev,
- G. Nebbia,
- P. Nédélec,
- M. K. Oberthaler,
- N. Pacifico,
- V. Petráček,
- C. Pistillo,
- F. Prelz,
- M. Prevedelli,
- C. Regenfus,
- C. Riccardi,
- O. Røhne,
- A. Rotondi,
- H. Sandaker,
- P. Scampoli,
- J. Storet,
- M. A. Subieta Vasquez,
- M. Špaček,
- G. Testera,
- E. Widmann,
- P. Yzombard,
- S. Zavaterelli, and
- J. Zmeskal
International Journal of Modern Physics: Conference Series01 Jan 2014
Preview Abstract
The motivation of the AEgIS experiment is to test the universality of free fall with antimatter. The goal is to reach a relative uncertainty of 1% for the measurement of the earth's gravitational acceleration on an antihydrogen beam. High vertex position resolution is required for a position detector. An emulsion based detector can measure the annihilation vertex of antihydrogen atoms with a resolution of 1-2 μm, which if realized in the actual experiment will enable a 1% measurement of with less than 1000 atoms. Developments and achievements on emulsion detectors for the AEgIS experiment are presented here.

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