2020-08-04
06:57 |
Cryogenic Upgrade of the Helium Central Liquefier and Superconducting Cable & Wire Test Facilities at CERN
/ Pirotte, O (CERN) ; Lees, A (CERN) ; Barbe, T (CERN) ; Dupont, T (CERN) ; Pezzetti, M (CERN)
The demand for liquid helium (LHe) for users at CERN without dedicated cryogenic infrastructure is set to increase due to future projects and experiments in the Antiproton Decelerator. LHe is supplied to the users by means of 500 liter dewars filled by the central liquefier (B165) that comprises a cryogenic plant of 400 W @ 4.5 K. [...]
IOP, 2020 - 8 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 755 (2020) 012146
External link: Published fulltext
In : Conference on Cryogenic Engineering and on International Cryogenic Materials, Hartford, Connecticut, 21 - 25 Jul 2019, pp.012146
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2020-08-04
06:57 |
CernVM-FS Container Image Integration
/ Mosciatti, Simone (CERN) ; Blomer, Jakob (CERN) ; Ganis, Gerardo (CERN) ; Popescu, Radu (CERN)
Linux containers have gained widespread use in high energy physics, be it for services using container engines such as containerd/kubernetes, for production jobs using container engines such as Singularity or Shifter, or for development workflows using Docker as a local container engine. Thus the efficient distribution of the container images, whose size usually ranges from a few hundred megabytes to a few tens of gigabytes, is becoming a pressing concern. [...]
IOP, 2020 - 3 p.
- Published in : J. Phys. : Conf. Ser. 1525 (2020) 012058
In : 19th International Workshop on Advanced Computing and Analysis Techniques in Physics Research, Saas Fee, Switzerland, 11 - 15 Mar 2019, pp.012058
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2020-08-04
06:57 |
Design of the consolidated LHC dipole diode busbar insulation system
/ Meuter, F (CERN) ; Sahner, T (CERN) ; Scheuerlein, C (CERN) ; Tock, J Ph (CERN)
During the second long shutdown of the LHC in 2019 and 2020, the electrical insulation of the 1232 dipole diodes and diode busbars is presently consolidated. The newly designed insulation system, mainly consisting of polyimide laminated fiber reinforced epoxy sheets and injection molded pure resin inserts, can be installed in the very constricted space of the LHC tunnel, without removing the presently installed insulation. [...]
IOP, 2020 - 7 p.
- Published in : J. Phys. : Conf. Ser. 1559 (2020) 012072
In : 14th European Conference on Applied Superconductivity, Glasgow, United Kingdom, 1 - 5 Sep 2019, pp.012072
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2020-08-04
06:57 |
Assembly and Test of the HL-LHC Twin Aperture Orbit Corrector Based on Canted Cos-Theta Design
/ Kirby, G (CERN) ; Van Nugteren, J (CERN) ; Mentink, M (CERN) ; Canale, M (CERN) ; Gentini, L (CERN) ; Mazet, J (CERN) ; Pincot, F O (CERN) ; Mangiarotti, F J (CERN) ; Fiscarelli, L (CERN) ; Steckert, J (CERN) et al.
In the frame of the high-luminosity upgrade project (HL-LHC) at CERN, a double aperture, independently powered, family of beam orbit corrector magnets will be installed close to the two main LHC experiments Atlas and CMS. These 2.6 T magnets, built using a canted cos-theta design. [...]
IOP, 2020 - 10 p.
- Published in : J. Phys. : Conf. Ser. 1559 (2020) 012070
In : 14th European Conference on Applied Superconductivity, Glasgow, United Kingdom, 1 - 5 Sep 2019, pp.012070
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2020-08-04
06:57 |
Evidence of Kramer extrapolation inaccuracy for predicting high field Nb$_3$Sn properties
/ Segal, Christopher (Florida State U. ; CERN) ; Barth, Christian (CERN) ; Falorio, Iole (CERN) ; Carlón Zurita, Alejandro (CERN) ; Ballarino, Amalia (CERN) ; Chaud, Xavier (LNCMI, Grenoble) ; Tarantini, Chiara (Florida State U.) ; Lee, Peter J (Florida State U.) ; Larbalestier, David C (Florida State U.)
Future applications requiring high magnetic fields, such as the proposed Future Circular Collider, demand a substantially higher critical current density, $J_c$, at fields ≥16 T than is presently available in any commercial strand, so there is a strong effort to develop new routes to higher $J_c$ Nb$_3$Sn. As a consequence, evaluating the irreversibility field ($H_{irr}$) of any new conductor to ensure reliable performance at these higher magnetic fields becomes essential. [...]
IOP, 2020 - 9 p.
- Published in : J. Phys. : Conf. Ser. 1559 (2020) 012062
In : 14th European Conference on Applied Superconductivity, Glasgow, United Kingdom, 1 - 5 Sep 2019, pp.012062
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2020-08-04
06:57 |
Impact of 440 GeV Proton beams on Superconductors in a Cryogenic Environment
/ Will, A (CERN ; KIT, Karlsruhe, IPE) ; Bernhard, A (KIT, Karlsruhe, IPE) ; Bonura, M (Geneva U.) ; Bordini, B (CERN) ; Mentink, M (CERN) ; Mueller, A S (KIT, Karlsruhe, IPE) ; Oslandsbotn, A (CERN) ; Schmidt, R (CERN) ; Schubert, J (CERN) ; Senatore, C (CERN ; Geneva U.) et al.
The superconducting magnets used in high energy particle accelerators such as CERN’s LHC can be impacted by the circulating beam in case of specific failures. This leads to interaction of the beam particles with the magnet components, like the superconducting coils, through direct beam impact or via secondary particle showers. [...]
IOP, 2020 - 10 p.
- Published in : J. Phys. : Conf. Ser. 1559 (2020) 012060
In : 14th European Conference on Applied Superconductivity, Glasgow, United Kingdom, 1 - 5 Sep 2019, pp.012060
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2020-08-04
06:57 |
Design, Performance and Cabling Analysis of Nb3Sn Wires for the FCC Study
/ Hopkins, Simon C (CERN) ; Baskys, Algirdas (CERN) ; Bordini, Bernardo (CERN) ; Fleiter, Jerome (CERN) ; Ballarino, Amalia (CERN)
The hadron collider proposed by the Future Circular Collider (FCC) study would require high-field superconducting magnets capable of producing a dipole field of around 16 T in a 50 mm aperture. To develop a suitable conductor for these magnets, CERN is coordinating a conductor development programme aiming to obtain Nb$_3$Sn wire with a non-copper critical current density of 1500 A mm$^{-2}$ at 16 T and 4.2 K, in lengths suitable for manufacturing 14 m long magnets, and able to withstand cabling without significant degradation. [...]
IOP, 2020 - 10 p.
- Published in : J. Phys. : Conf. Ser. 1559 (2020) 012026
In : 14th European Conference on Applied Superconductivity, Glasgow, United Kingdom, 1 - 5 Sep 2019, pp.012026
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2020-08-04
06:57 |
CsPbBr3 Thin Films on LYSO:Ce Substrates
/ Tomanová, Kateřina (CTU, Prague) ; Suchá, Adéla (CTU, Prague) ; Mihóková, Eva (CTU, Prague) ; Procházková, Lenka (CTU, Prague) ; Jakubec, Ivo (ASCR, Prague) ; Turtos, Rosana M (CERN) ; Gundacker, Stefan (CERN) ; Auffray, Etiennette (CERN) ; Čuba, Václav (CTU, Prague)
We fabricate thin films of lead halide perovskite nanocrystals on glass substrates and cerium-doped LYSO substrates (lutetium-yttrium oxyorthosilicate, LuxY2-xSiO5:Ce) using spin-coating and drop-casting methods, respectively. We study their structural and optical properties. [...]
2020 - 6 p.
- Published in : IEEE Trans. Nucl. Sci. 67 (2020) 933-938
In : 15th International Conference on Inorganic Scintillators and Their Applications, Sendai, Japan, 29 Sep - 04 Oct 2019, pp.933-938
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2020-08-04
06:57 |
Conference Comments by the Editors
/ Yoshikawa, Akira (Tohoku U.) ; Nikl, Martin (ASCR, Prague) ; Williams, Richard T (Wake Forest U.) ; Bizarri, Greg (Cranfield U.) ; Fasoli, Mauro (Milan Bicocca U.) ; Gundacker, Stefan (CERN) ; Jary, Vitezslav (ASCR, Prague) ; Korzhik, Mikhail (Belarus State U.) ; Kurosawa, Shunsuke (Tohoku U.) ; Wu, Yuntao (Shanghai Inst. Ceramics)
The 15th International Conference on Inorganic Scintillators and Their Applications (SCINT 2019) was organized by Tohoku University, and held in Sendai, Japan, September 29–October 4, 2019. A total of 246 colleagues from 24 different countries finally participated in the conference. [...]
2020 - 1 p.
- Published in : IEEE Trans. Nucl. Sci. 67 (2020) 875
In : 15th International Conference on Inorganic Scintillators and Their Applications, Sendai, Japan, 29 Sep - 04 Oct 2019, pp.875
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2020-08-04
06:57 |
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