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1.
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The AEgIS Experiment
/ Knecht, A (CERN) ; Aghion, S (Milan Polytechnic) ; Ahlen, 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 AEgIS experiment aims at performing the first test of the Weak Equivalence Principle of General Relativity in the antimatter sector by measuring the gravitational acceleration acting on a beam of cold antihydrogen to a precision of 1%. The installation of the apparatus is making good progress and large parts were taken into operation. [...]
2014 - 11 p.
- Published in : Hyperfine Interact. 228 (2014) 121-131
In : 11th International Conference on Low Energy Antiproton Physics, Uppsala, Sweden, 10 - 15 Jun 2013, pp.121-131
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2.
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Measuring the gravitational free-fall of antihydrogen
/ Storey, J (Bern U., LHEP) ; 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) ; Bonomi, G (INFM, Brescia ; INFN, Pavia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Bremer, J (CERN) et al.
Antihydrogen holds the promise to test, for the first time, the universality of free-fall with a system composed entirely of antiparticles. The AEgIS experiment at CERN’s antiproton decelerator aims to measure the gravitational interaction between matter and antimatter by measuring the deflection of a beam of antihydrogen in the Earths gravitational field ( $\overline {\textrm {g}}$ ). [...]
2014 - 7 p.
- Published in : Hyperfine Interact. 228 (2014) 151-157
In : 11th International Conference on Low Energy Antiproton Physics, Uppsala, Sweden, 10 - 15 Jun 2013, pp.151-157
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Positron bunching and electrostatic transport system for the production and emission of dense positronium clouds into vacuum
/ Aghion, S (INFN, Milan ; Milan Polytechnic) ; Amsler, C (Bern U., LHEP ; U. Bern, AEC) ; Ariga, A (Bern U., LHEP ; U. Bern, AEC) ; Ariga, T (Bern U., LHEP ; U. Bern, AEC) ; Belov, A S (Moscow, INR) ; Bonomi, G (INFN, Pavia ; U. Brescia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Bremer, J (CERN) ; Brusa, R S (TIFPA-INFN, Trento ; Trento U.) ; Cabaret, L (Orsay ; Cachan, Ecole Normale Superieure ; U. Paris-Saclay, Orsay) et al.
/AEgIS
We describe a system designed to re-bunch positron pulses delivered by an accumulator supplied by a positron source and a Surko-trap. Positron pulses from the accumulator are magnetically guided in a 0.085 T field and are injected into a region free of magnetic fields through a μ -metal field terminator. [...]
2015 - 7 p.
- Published in : Nucl. Instrum. Methods Phys. Res., B 362 (2015) 86-92
Elsevier Open Access article: PDF;
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4.
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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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5.
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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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6.
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Measuring GBAR with emulsion detector
/ Ariga, T (Milan Polytechnic) ; Aghion, S (Milan Polytechnic) ; Ahlen, O (CERN) ; Amsler, C (Bern U., LHEP) ; Ariga, A (Bern U., LHEP) ; Belov, A S (Moscow, INR) ; Berggren, K (CERN) ; Bonomi, G (INFM, Brescia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Bremer, J (CERN) et al.
2014 - 8 p.
- Published in : Int. J. Mod. Phys.: Conf. Ser. 30 (2014) 1460268
External links: Fulltext; Fulltext
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7.
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Measuring $\bar{g}$ with ${\rm AE\bar{g}IS}$, progress and perspectives
/ Krasnicky, D (Insubria U., Como) ; Aghion, S (Milan Polytechnic) ; 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 (Brescia U.) ; Bräunig, P (Kirchhoff Inst. Phys.) et al.
2014 - 9 p.
- Published in : Int. J. Mod. Phys.: Conf. Ser. 30 (2014) 1460262
External links: Fulltext; Fulltext
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8.
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AE$\bar g$IS Experiment: Measuring the acceleration $g$ of the earth's gravitational field on antihydrogen beam
/ Subieta Vasquez, M A (INFM, Brescia ; INFN, Pavia) ; 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) ; Bonomi, G (INFM, Brescia ; INFN, Pavia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Bremer, J (CERN) et al.
The AE [??] IS experiment [1] aims at directly measuring the gravitational acceleration g on a beam of cold antihydrogen ( [??] ) to a precision of 1%, performing the first test with antimatter of the (WEP) Weak Equivalence Principle. The experimental apparatus is sited at the Antiproton Decelerator (AD) at CERN, Geneva, Switzerland. [...]
2014 - 9 p.
- Published in : EPJ Web Conf. 71 (2014) 00128
EDP Sciences Open Access article: PDF;
In : 2nd International Conference on New Frontiers in Physics, Kolymbari, Greece, 28 Aug - 5 Sep 2013, pp.00128
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9.
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Investigation of silicon sensors for their use as antiproton annihilation detectors
/ Pacifico, N (Bergen U.) ; Aghion, S (Milan Polytechnic ; INFN, Milan) ; Ahlén, O (CERN) ; Belov, A S (Moscow, INR) ; Bonomi, G (INFM, Brescia ; INFN, Pavia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Bremer, J (CERN) ; Brusa, R S (INFN, Padua ; Trento U. ; INFN, Trento) ; Burghart, G (CERN) ; Cabaret, L (Paris, Lab. Kastler Brossel) et al.
We present here a new application of silicon sensors aimed at the direct detection of antinucleons annihilations taking place inside the sensor׳s volume. Such detectors are interesting particularly for the measurement of antimatter properties and will be used as part of the gravity measurement module in the AEg¯IS experiment at the CERN Antiproton Decelerator. [...]
2014 - 6 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 765 (2014) 161-166
Elsevier Open Access article: PDF;
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10.
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Detection of low energy antiproton annihilations in a segmented silicon detector
/ Aghion, S (Milan Polytechnic ; INFN, Milan) ; Ahlen, O (CERN) ; Belov, A S (Moscow, INR) ; Bonomi, G (INFM, Brescia ; INFN, Pavia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Bremer, J (CERN) ; Brusa, R S (INFN, Trento ; Trento U.) ; Burghart, G (CERN) ; Cabaret, L (Paris, Lab. Kastler Brossel) ; Caccia, M (Insubria U., Como) et al.
The goal of the AEbar gIS experiment at the Antiproton Decelerator (AD) at CERN, is to measure directly the Earth's gravitational acceleration on antimatter by measuring the free fall of a pulsed, cold antihydrogen beam. The final position of the falling antihydrogen will be detected by a position sensitive detector. [...]
2014
- Published in : JINST 9 (2014) P06020
IOP Open Access article: PDF;
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