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Future Circular Collider beam screen: progress on Tl-1223 HTS coating
/ Leveratto, A (Genoa U.) ; Saba, A (Genoa U. ; Genoa U.) ; Holleis, S (Vienna, Tech. U., Atominst.) ; Himmerlich, M (CERN) ; Henrist, B (CERN) ; Fernandez-Peña, S (CERN) ; Moros, A (Vienna U.) ; Bernardi, J (Vienna U.) ; Eisterer, M (Vienna, Tech. U., Atominst.) ; Bernini, C (Genoa U.) et al.
Thallium-1223, a superconductor with high critical temperature (T c ∼ 120 K) and high irreversibility line is a promising alternative to copper layers as a low surface impedance material in particle accelerator components. In the existing design of the Future Circular Collider (FCC-hh), for reasons of cryogenic efficiency and vacuum stability, the beam screen that shields the dipoles from synchrotron radiation has to stay at best in the temperature range between 40 and 60 K, in which copper surface resistance might be too high to prevent beam instabilities due to wakefields. [...]
2020 - 7 p.
- Published in : Supercond. Sci. Technol. 33 (2020) 054004
Fulltext: PDF;
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Thallium-based high-temperature superconductors for beam impedance mitigation in the Future Circular Collider
/ Calatroni, S (CERN) ; Bellingeri, E (CNR-SPIN, Naples) ; Ferdeghini, C (CNR-SPIN, Naples) ; Putti, M (CNR-SPIN, Naples ; Genoa U.) ; Vaglio, R (CNR-SPIN, Naples ; INFN, Naples ; Naples U.) ; Baumgartner, T (Vienna, Tech. U., Atominst.) ; Eisterer, M (Vienna, Tech. U., Atominst.)
CERN has recently started a design study for a possible next-generation high-energy hadron–hadron collider (Future Circular Collider—FCC-hh). The FCC-hh study calls for an unprecedented center-of-mass collision energy of 100 TeV, achievable by colliding counter-rotating proton beams with an energy of 50 TeV steered in a 100 km circumference tunnel by superconducting magnets which produce a dipole field of 16 T. [...]
2017 - 7 p.
- Published in : Supercond. Sci. Technol. 30 (2017) 075002
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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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4.
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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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6.
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Lessons from Monte Carlo simulations of the performance of a dual-readout fiber calorimeter
/ Akchurin, N (Texas Tech. U., Lubbock) ; Bedeschi, F (INFN, Pisa) ; Cardini, A (INFN, Cagliari) ; Cascella, M (Salento U. ; INFN, Lecce) ; De Pedis, D (INFN, Rome) ; Ferrari, R (INFN, Pavia) ; Fracchia, S (INFN, Pavia) ; Franchino, S (CERN) ; Fraternali, M (INFN, Pavia ; U. Pavia, dept. Phys.) ; Gaudio, G (INFN, Pavia) et al.
The RD52 calorimeter uses the dual-readout principle to detect both electromagnetic and hadronic showers, as well as muons. Scintillation and Cherenkov light provide the two signals which, in combination, allow for superior hadronic performance. [...]
2014
- Published in : Nucl. Instrum. Methods Phys. Res., A 762 (2014) 100-118
Elsevier Open Access article: PDF;
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7.
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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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8.
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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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9.
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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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10.
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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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