CERN Accelerating science

All CERN Accelerators documents

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2020-09-22
16:58
Orbit Correction Studies on the HL–LHC Layout and Optics V1.5 / Andersson, Joel Daniel (Lund University (SE)) ; De Maria, Riccardo (CERN) ; Gamba, Davide (CERN)
In this report three separate studies on the topic of orbit correction are presented for the HL–LHC V1.5 layout and 15 cm β∗ optics for protons. [...]
CERN-ACC-NOTE-2020-0045.
- 2020. - 51 p.

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2020-09-22
16:50
Space Charge simulations for the ISOLDE beam in the PS Booster with and without longitudinal painting / Albright, Simon (CERN) ; Antoniou, Fanouria (CERN) ; Asvesta, Foteini (CERN) ; Bartosik, Hannes (CERN) ; Bracco, Chiara (CERN) ; Papaphilippou, Yannis (CERN) ; Prebibaj, Tirsi (Goethe University Frankfurt (DE)) ; Renner, Elisabeth (Vienna University of Technology (AT))
This document summarizes the space charge simulations performed for the ISOLDE beam in the PS Booster. [...]
CERN-ACC-NOTE-2020-0044.
- 2020. - 17 p.

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2020-09-22
16:27
Q-setting program for the PSB / Heymans, P
CERN-MPS-BR-Note-73-18.
- 1973.

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2020-09-19
04:02
Machine learning for beam dynamics studies at the CERN Large Hadron Collider / Arpaia, P. (Naples U.) ; Azzopardi, G. (CERN) ; Blanc, F. (Ecole Polytechnique, Lausanne) ; Bregliozzi, G. (CERN) ; Buffat, X. (CERN) ; Coyle, L. (Ecole Polytechnique, Lausanne ; CERN) ; Fol, E. (Frankfurt U. ; CERN) ; Giordano, F. (Naples U. ; CERN) ; Giovannozzi, M. (CERN) ; Pieloni, T. (Ecole Polytechnique, Lausanne ; CERN) et al.
Machine learning entails a broad range of techniques that have been widely used in Science and Engineering since decades. [...]
arXiv:2009.08109.
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2020-09-18
15:52
Design and Tuning of Secondary Beamlines in the CERN North and East Areas / Gatignon, Lau (CERN)
This document gives guidance for the design and tuning of secondary beam lines at CERN. [...]
CERN-ACC-NOTE-2020-0043.
- 2020.

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2020-09-17
12:40
Thermal and Modal Simulations for the CLIC Module / Berg, Henri (Helsinki Institute of Physics (FI))
This article examines the modal frequencies and thermal deformations with different cooling schemes in unloaded condition of the latest girder and super accelerator structure (SAS) design of the CLIC module. [...]
CERN-ACC-2020-0024 ; CLIC-Note-1163.
- 2020. - 14 p.
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2020-09-17
12:07
Performance of the Optimized Mechanical Design of the CLIC Main-Beam Quadrupole Magnet Prototype / Modena, Michele (CERN) ; Petrone, Carlo (CERN)
The Main-Beam Quadrupole (MBQ) magnets of CLIC, the Compact Linear Collider understudy at the CERN Laboratory in Geneva, are part of a critical magnet family, considering the industrial production challenges. [...]
CERN-ACC-2020-0023 ; CLIC-Note-1162.
- 2020. - 6 p.
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2020-09-17
10:48
Development of Prototype MgB2 Superconducting Solenoid Magnet for High-efficiency Klystron Applications / Watanabe, H (Hitachi (JP)) ; Koga, T (Hitachi (JP)) ; Tanaka, H (Hitachi (JP)) ; Wakuda, T (Hitachi (JP)) ; Yamamoto, Akira (High Energy Accelerator Research Organization (JP)) ; Michizono, S (High Energy Accelerator Research Organization (JP)) ; Syratchev, Igor (CERN) ; Mcmonagle, Gerard (CERN) ; Catalan Lasheras, Nuria (CERN) ; Calatroni, Sergio (CERN)
A wind-and-react MgB2 solenoid magnet for klystrons has been developed. [...]
CERN-ACC-2020-0022 ; CLIC-Note-1161.
- 2020. - 7 p.
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2020-09-17
09:04
Impact of deconditioning on the secondary electron yield of Cu surfaces in particle accelerators / Petit, V (CERN ; ONERA, Toulouse) ; Taborelli, M (CERN) ; Zanin, D A (CERN) ; Neupert, H (CERN) ; Chiggiato, P (CERN) ; Belhaj, M (ONERA, Toulouse)
Electron cloud is a critical phenomenon in particle accelerators operating with high intensity and positively charged beams, as it is responsible for beam instabilities, vacuum degradation, and heat load on cryogenic sections. Electron clouds provoke a conditioning of the beam pipe that is reflected on the reduction of its secondary electron yield (SEY). [...]
2020 - 9 p. - Published in : Phys. Rev. Accel. Beams 23 (2020) 093101 Fulltext from publisher: PDF;

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2020-09-17
09:04
The impact of synchrotron radiation at the Compact Linear Collider / Arominski, D (CERN ; Warsaw U. of Tech. ; Laue-Langevin Inst.) ; Sailer, A (CERN) ; Latina, A (CERN) ; Schulte, D (CERN)
Synchrotron radiation (SR) emission and interactions with the vacuum chamber walls have the potential to negatively impact the performance of future electron–positron colliders. The Beam Delivery System (BDS) of the Compact Linear Collider (CLIC) contains weak bending and multipole magnets that lead to less intense emissions than at circular colliders with similar centre-of-mass energies. [...]
2020 - 16 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 983 (2020) 164522 Fulltext from publisher: PDF;

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