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Antihydrogen physics: gravitation and spectroscopy in AEgIS
/ Ferragut, R (Milan Polytechnic ; INFN, Milan) ; Vaccarone, R (Genoa U. ; INFN, Genoa) ; Stroke, H H (New York U.) ; Dassa, L (Pavia U. ; INFN, Pavia) ; Rohne, O (Oslo U.) ; Hogan, S D (Zurich, ETH) ; Cialdi, S (Milan U. ; INFN, Milan) ; Al-Qaradawi, I Y (Qatar U.) ; Formaro, L (Milan U. ; INFN, Milan) ; Sandaker, H (Bergen U.) et al.
AEgIS (Antimatter experiment: gravity, interferometry, spectroscopy) is an experiment approved by CERN with the goal of studying antihydrogen physics. In AEgIS, antihydrogen will be produced by charge exchange reactions of cold antiprotons with positronium atoms excited in a Rydberg state (n > 20). [...]
2011
- Published in : Can. J. Phys. 89 (2011) 17-24
In : Ecole de Physique: International Conference on Precision Physics of Simple Atomic Systems, Les Houches, France, 30 May - 04 Jun 2010, pp.17-24
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3.
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Development of nuclear emulsions with 1 $\mu$m spatial resolution for the AEgIS experiment
/ Kimura, M (Bern U., LHEP) ; Aghion, S (Milan Polytechnic ; INFN, Milan) ; Ahlén, O (CERN) ; Amsler, C (Bern U., LHEP) ; Ariga, A (Bern U., LHEP) ; Ariga, T (Bern U., LHEP) ; Belov, A.S (Moscow, INR) ; Bonomi, G (INFM, Brescia ; INFN, Pavia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Bremer, J (CERN) et al.
The main goal of the AEgIS experiment at CERN is to test the weak equivalence principle for antimatter. We will measure the Earth ' s gravitational acceleration g with antihydrogen atoms being launched in a horizontal vacuum tube and traversing a moiré de fl ectometer [...]
2013 - 5 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 732 (2013) 325-329
In : 13th Vienna Conference on Instrumentation, Vienna, Austria, 11 - 15 Feb 2013, pp.325-329
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4.
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AEgIS at ELENA: outlook for physics with a pulsed cold antihydrogen beam
/ Doser, M (CERN) ; Aghion, S (Milan Polytechnic ; INFN, Milan Bicocca) ; Amsler, C (Stefan Meyer Inst. Subatomare Phys.) ; Bonomi, G (Brescia U. ; INFN, Pavia) ; Brusa, R S (Trento U. ; TIFPA-INFN, Trento) ; Caccia, M (INFN, Milan Bicocca ; Insubria U., Como) ; Caravita, R (Genoa U. ; INFN, Genoa) ; Castelli, F (INFN, Milan ; Milan U.) ; Cerchiari, G (Heidelberg, Max Planck Inst.) ; Comparat, D (LAC, Orsay) et al.
The efficient production of cold antihydrogen atoms in particle traps at CERN’s Antiproton Decelerator has opened up the possibility of performing direct measurements of the Earth’s gravitational acceleration on purely antimatter bodies. The goal of the AEgIS collaboration is to measure the value of g for antimatter using a pulsed source of cold antihydrogen and a Moiré deflectometer/Talbot–Lau interferometer. [...]
2018 - 10 p.
- Published in : Philos. Trans. R. Soc. Lond. A 376 (2018) 20170274
In : Antiproton Physics in the ELENA Era : Theo Murphy meeting, Newport Pagnell, Buckinghamshire, UK, 4 - 5 Sep 2017, pp.20170274
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5.
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Development of nuclear emulsions operating in vacuum for the AEgIS experiment
/ Scampoli, P (Bern U., LHEP ; Naples U.) ; Aghion, S (Milan Polytechnic ; INFN, Milan) ; Ahlen, O (CERN) ; Amsler, C (Bern U., LHEP) ; Ariga, A (Bern U., LHEP) ; Ariga, T (Bern U., LHEP) ; Belov, A S (Moscow, INR) ; Berggren, K (CERN) ; Bonomi, G (INFM, Brescia ; INFN, Pavia) ; Bräunig, P (Kirchhoff Inst. Phys.) et al.
/AEgIS
For the first time the AEgIS (Antihydrogen Experiment: Gravity, Interferometry, Spectroscopy) experiment will measure the Earth's local gravitational acceleration g on antimatter through the evaluation of the vertical displacement of an antihydrogen horizontal beam. This will be a model independent test of the Weak Equivalence Principle at the base of the general relativity. [...]
2014
- Published in : JINST 9 (2014) C01061
Fulltext: PDF;
In : 13th Topical Seminar on Innovative Particle and Radiation Detectors, Sienna, Italy, 7 - 10 Oct 2013, pp.C01061
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The Weak Equivalence Principle With Antimatter: The AEgIS Experiment At CERN
/ Pagano, D (Bern U. ; Brescia U.) ; Amsler, C (Bern U.) ; Ariga, T (Brescia U.) ; Bonomi, G (Bern U.) ; Bräunig, P (Heidelberg U.) ; Brusa, R S (Trento U. ; TIFPA-INFN, Trento) ; Cabaret, L (Orsay) ; Caccia, M (INFN, Milan ; Insubria U., Como) ; Caravita, R (Genoa U. ; INFN, Genoa) ; Castelli, F (Insubria U., Como ; Milan U.) et al.
he AEgIS experiment at CERN’s Antiproton Decelerator (AD) aims at performing a direct measurement of the gravitational force on antimatter to probe the Weak Equivalence Principle of General Relativity with antimatter. The idea is to measure the vertical displacement of a cold antihydrogen beam, due to the gravitational force, by using a moiré deflectometer. [...]
ARISF, 2016 - 4 p.
- Published in : (2016) , pp. 161-164
Published version: PDF;
In : 51st Rencontres de Moriond on Cosmology, La Thuile, Italy, 19 - 26 Mar 2016, pp.161-164
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The AEgIS experiment at CERN: measuring antihydrogen free-fall in earth’s gravitational field to test WEP with antimatter
/ Brusa, R S (Trento U. ; TIFPA-INFN, Trento) ; Amsler, C (U. Bern, AEC) ; Ariga, T (Bern U., LHEP) ; Bonomi, G (U. Brescia ; INFN, Pavia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Cabaret, L ; Caccia, M (INFN, Milan ; Insubria U., Como) ; Caravita, R (Genoa U. ; INFN, Genoa) ; Castelli, F (INFN, Milan ; Milan U.) ; Cerchiari, G (Heidelberg, Max Planck Inst.) et al.
The AEgIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) experiment is designed with the objective to test the weak equivalence principle with antimatter by studying the free fall of antihydrogen in the Earth’s gravitational field. A pulsed cold beam of antihydrogen will be produced by charge exchange between cold Ps excited in Rydberg state and cold antiprotons. [...]
2017 - 8 p.
- Published in : J. Phys.: Conf. Ser. 791 (2017) 012014
In : 14th International Workshop on Slow Positron Beam Techniques and Applications, Matsue, Japan, 22 - 27 May 2016, pp.012014
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9.
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Comparison of Planar and 3D Silicon Pixel Sensors Used for Detection of Low Energy Antiprotons
/ Gligorova, A (Bergen U.) ; Aghion, S (Milan Polytechnic ; INFN, Milan) ; Belov, A S (Moscow, INR) ; Bonomi, G (Brescia U. ; INFN, Pavia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Bremer, Jorg (CERN) ; Brusa, R S (TIFPA-INFN, Trento ; Trento U.) ; Cabaret, L (Orsay) ; Caccia, M (Insubria U., Como) ; Caravita, R (INFN, Milan ; Milan U.) et al.
The principal aim of the AEgIS experiment at CERN is to measure the acceleration of antihydrogen due to Earth's gravitational field. This would be a test of the Weak Equivalence Principle, which states that all bodies fall with the same acceleration independently of their mass and composition. [...]
2014 - 7 p.
- Published in : IEEE Trans. Nucl. Sci. 61 (2014) 3747-3753
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AEgIS Experiment: Status & Outlook
/ Lansonneur, P (Lyon, IPN) ; Aghion, S (Milan, Polytech. ; INFN, Milan) ; Amsler, C (Stefan Meyer Inst. Subatomare Phys.) ; Bonomi, G (U. Brescia ; INFN, Pavia) ; Brusa, R S (Trento U. ; TIFPA-INFN, Trento) ; Caccia, M (INFN, Milan ; Insubria U., Como) ; Caravita, R (Genoa U. ; INFN, Genoa) ; Castelli, F (INFN, Milan ; Milan U.) ; Cerchiari, G (Heidelberg, Max Planck Inst.) ; Comparat, D (LAC, Orsay) et al.
The AEGIS experiment 1 (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) is planned to perform the first measurement of the gravitational acceleration on antimatter by observing the free fall of antihydrogen atoms. By combining techniques based on recent developments in the production of positronium and its laser excitation to Rydberg states, such a study seems indeed to be feasible for neutral antimatter. [...]
2017 - 6 p.
- Published in : , pp. 87-92
Fulltext: PDF;
In : 52nd Rencontres de Moriond on Gravitation, La Thuile, Italy, 25 Mar - 1 Apr 2017, pp.87-92
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