2017-06-22
15:00 |
Path to AWAKE: Evolution of the concept
/ Caldwell, A (Max Planck Institute for Physics, Munchen, DE) ; Adlia, E (STFC Daresbury Lab, Warrington, UK and DESY, hamburg, DE) ; Amorimj, L (GoLP, Universisade de Lisboa, Lisbon, PT) ; Apsimon, R (Cockcroft Institute, Warrington, UK and Lancaster University, Lancaster, UK) ; Argyropoulos, T (CERN, Geneva, CH) ; Assmann, R (DESY, Hamburg, DE) ; Bachmann, A.M (Max Planck Institute for Physics, Munchen, DE) ; Batsch, F (Max Planck Institute for Physics, Munchen, DE) ; Bauche, J (CERN, Geneva, CH) ; Berglyd Olsen, V.K (STFC Daresbury Lab, Warrington, UK and DESY, Hamburg, DE) et al.
This report describes the conceptual steps in reaching the design of the AWAKE experiment currently under construction at CERN. We start with an introduction to plasma wakefield acceleration and the motivation for using proton drivers. [...]
CERN-ACC-2016-0348.-
Geneva : CERN, 2016
- Published in : Nuclear Instruments and methods in Physics Research: A (2016) , no. 829
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2017-06-22
11:29 |
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2017-06-22
10:51 |
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2017-06-22
08:23 |
Fabrication of First 4-m Coils for the LARP MQXFA Quadrupole and Assembly in Mirror Structure
/ Holik, E F (Fermilab ; Angelo State U.) ; Ambrosio, G (Fermilab) ; Anerella, M (Brookhaven) ; Bossert, R (Fermilab) ; Cavanna, E (CERN) ; Cheng, D (LBNL, Berkeley) ; Dietderich, D R (LBNL, Berkeley) ; Ferracin, P (CERN) ; Ghosh, A K (Brookhaven) ; Izquierdo Bermudez, S (CERN) et al.
The US LHC Accelerator Research Program is constructing prototype interaction region quadrupoles as part of the US in-kind contribution to the Hi-Lumi LHC project. The low-beta MQXFA Q1/Q3 coils have a 4-m length and a 150 mm bore. [...]
FERMILAB-PUB-16-346-TD.-
2017 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 27 (2017) 4003605
Fulltext: PDF; External link: FERMILABPUB
In : Applied Superconductivity Conference, Denver, CO, USA, 4 - 9 Sep 2016, pp.4003605
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2017-06-22
08:23 |
Statistics of vacuum breakdown in the high-gradient and low-rate regime
/ Wuensch, Walter (CERN) ; Degiovanni, Alberto (CERN) ; Calatroni, Sergio (CERN) ; Korsbäck, Anders (Helsinki Inst. of Phys.) ; Djurabekova, Flyura (Helsinki Inst. of Phys.) ; Rajamäki, Robin (Aalto U.) ; Giner-Navarro, Jorge (Valencia U., IFIC)
In an increasing number of high-gradient linear accelerator applications, accelerating structures must operate with both high surface electric fields and low breakdown rates. Understanding the statistical properties of breakdown occurrence in such a regime is of practical importance for optimizing accelerator conditioning and operation algorithms, as well as of interest for efforts to understand the physical processes which underlie the breakdown phenomenon. [...]
2017 - 11 p.
- Published in : Phys. Rev. Accel. Beams 20 (2017) 011007
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2017-06-21
10:10 |
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The Future of Superconducting Technology for Particle Accelerators
/ Yamamoto, Akira (High Energy Accelerator Research Organization (JP))
Introduction: - Colliders constructed and operated - Future High Energy Colliders under Study - Superconducting Phases and Applications - Possible Choices among SC Materials Superconducting Magnets and the Future - Advances in SC Magnets for Accelerators - Nb3Sn for realizing Higher Field - NbTi to Nb3Sn for realizing High Field (> 10 T) - HL-LHC as a critical milestone for the Future of Acc [...]
CERN-ACC-SLIDES-2017-0008.
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2015. - 56 p.
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2017-06-21
07:22 |
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2017-06-20
09:57 |
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Limitations due to strong head-on beam-beam interactions (MD 1434)
/ Buffat, Xavier (CERN) ; Furuseth, Sondre Vik ; Iadarola, Giovanni (CERN) ; Papadopoulou, Parthena Stefania (University of Crete (GR)) ; Papaphilippou, Yannis (CERN) ; Pellegrini, Dario (CERN) ; Pojer, Mirko (CERN) ; Crockford, Guy (CERN) ; Salvachua Ferrando, Belen Maria (CERN) ; Trad, Georges (CERN) et al.
The results of an experiment aiming at probing the limitations due to strong head on beam-beam interactions are reported. [...]
CERN-ACC-NOTE-2017-0044.
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2017. - 11 p.
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2017-06-17
07:13 |
Mechanical Performance of Short Models for MQXF, the Nb3Sn Low-β Quadrupole for the Hi-Lumi LHC
/ Vallone, Giorgio (CERN) ; Ambrosio, Giorgio (Fermilab) ; Anderssen, Eric (LBL, Berkeley) ; Bourcey, Nicolas (CERN) ; Cheng, Daniel W (LBL, Berkeley) ; Felice, Helene (IRFU, SPhN, Saclay) ; Ferracin, Paolo (CERN) ; Fichera, Claudio (CERN) ; Grosclaude, Philippe (CERN) ; Guinchard, Michael (CERN) et al.
In the framework of the Hi-Lumi LHC Project, CERN and U.S. LARP are jointly developing MQXF, a 150-mm aperture high-field Nb3Sn quadrupole for the upgrade of the inner triplet of the low-beta interaction regions. [...]
2016 - 6 p.
- Published in : IEEE Trans. Appl. Supercond. 27 (2017) 4002906
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2017-06-17
07:13 |
Quench Protection System Optimization for the High Luminosity LHC Nb $_3$Sn Quadrupoles
/ Ravaioli, E (LBL, Berkeley) ; Ambrosio, G (Fermilab) ; Auchmann, B (CERN) ; Ferracin, P (CERN) ; Maciejewski, M (CERN) ; Rodriguez-Mateos, F (CERN) ; Sabbi, GL (LBL, Berkeley) ; Todesco, E (CERN) ; Verweij, A P (CERN)
The upgrade of the large hadron collider to achieve higher luminosity requires the installation of twenty-four 150 mm aperture, 12 T, $Nb_3Sn$ quadrupole magnets close to the two interaction regions at ATLAS and CMS. The protection of these high-field magnets after a quench is particularly challenging due to the high stored energy density, which calls for a fast, effective, and reliable protection system. [...]
FERMILAB-PUB-16-563-TD.-
2017 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 27 (2017) 4702107
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