All CERN Accelerators documents

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2019-03-20
18:24
 Radiation Levels and Saturation Effects in the Electromagnetic Calorimeter of Future Linear Colliders / Sailer, Andre (CERN) For the design of the electromagnetic calorimeter (ECal) of a future linear collider the required dynamic range for the possible readout options and the expected radiation doses have to be known. High energy electromagnetic showers are simulated to estimate the required dynamic range for a scintillator-pad based ECal read out with silicon photo-multipliers. [...] CLICdp-Note-2019-001.- Geneva : CERN, 2019 - 16. Fulltext: PDF;

2019-03-20
06:58
 New proposal for low-emittance muon collider / Antonelli, Mario (Frascati) ; Blanco-Garcia, O R (Frascati) ; Boscolo, M (Frascati) ; Guiducci, S (Frascati) ; Ricci, M (Frascati) ; Rotondo, M (Frascati) ; Lorenzon, A (Padua U. ; INFN, Padua) ; Lucchesi, D (Padua U. ; INFN, Padua) ; Rossini, S (Padua U. ; INFN, Padua) ; Vanini, S (Padua U. ; INFN, Padua) et al. These proceedings introduce a new proposal for a low-emittancemuon collider. A low-emittance muon beam is obtained from the process e$^+$e$^-\rightarrow\mu^+\mu^-$ with positrons at the threshold energy of 45 GeV. [...] SISSA, 2018 - 6 p. - Published in : PoS LHCP2018 (2018) 256 Fulltext: PDF; External link: PoS server In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018, pp.256

2019-03-20
06:58
 Reconstructing Space-Charge Distorted IPM Profiles with Machine Learning Algorithms / Vilsmeier, Dominik (Darmstadt, GSI) ; Sapinski, Mariusz (Darmstadt, GSI) ; Singh, Rahul (Darmstadt, GSI) ; Storey, James (CERN) Measurements of undistorted transverse profiles via Ionization Profile Monitors (IPMs) may pose a great challenge for high brightness or high energy beams due to interaction of ionized electrons or ions with the electromagnetic field of the beam. This contribution presents application of various machine learning algorithms to the problem of inferring the actual beam profile width from measured profiles that are distorted by beam space-charge interaction. [...] 2018 - 4 p. - Published in : (2018) , pp. WEPAK008 - Published in : J. Phys. : Conf. Ser.: 1067 (2018) , no. 7, pp. 072003 Fulltext: PDF; In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPAK008

2019-03-19
14:56
 K-Modulation Software Development and Automation / Spitznagel, Martin Lukas The k-modulation turned out to be the fastest and most precise tool to get a precise determination of the beam size directly at interaction points (IP) of the Large Hadron Collider (LHC) [...] CERN-THESIS-2019-013 - 80 p.

Fulltext
2019-03-19
14:21
 LEP celebration : 9 October 2000 Geneva : CERN, 2000 - 1 VHS. LEPFest

2019-03-19
06:54
 Towards Future Circular Colliders / Tomas, Rogelio (CERN) ; Benedikt, Michael (CERN) ; Hofer, Michael (CERN) ; Keintzel, Jacqueline (CERN) ; Zimmermann, Frank (CERN) /FCC collaboration The international Future Circular Collider (FCC) study, launched in 2014, is finalizing a multi-volume conceptual design report. The FCC develops high-energy circular collider options based on a new 100 km tunnel. [...] SISSA, 2018 - 7 p. - Published in : PoS LHCP2018 (2018) 268 Fulltext: PDF; External link: PoS server In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018, pp.268

2019-03-19
06:54
 A Smart Framework for the Availability and Reliability Assessment and Management of Accelerators Technical Facilities / Serio, Luigi (CERN) ; Antonello, Federico (Milan, Polytech.) ; Baraldi, Piero (Milan, Polytech.) ; Castellano, Andrea (CERN ; Milan, Polytech.) ; Gentile, Ugo (CERN) ; Zio, Enrico (Milan, Polytech.) CERN operates and maintains a large and complex technical infrastructure that serves the accelerator complex and experiments detectors. A performance assessment and enhancement framework based on data mining, artificial intelligence and machine-learning algorithms is under development with the objective of structuring, collecting and analysing the operation and failure data of the systems and equipment, to guide the identification and implementation of adequate corrective, preventive and consolidation interventions. [...] 2018 - 4 p. - Published in : (2018) , pp. WEPAF079 - Published in : J. Phys. : Conf. Ser.: 1067 (2018) , no. 7, pp. 072029 Fulltext: PDF; In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPAF079

2019-03-19
06:54
 Machine Learning Applied at the LHC for Beam Loss Pattern Classification / Valentino, Gianluca (U. Malta) ; Salvachua, Belen (CERN) Beam losses at the LHC are constantly monitored because they can heavily impact the performance of the machine. One of the highest risks is to quench the LHC superconducting magnets in the presence of losses leading to a long machine downtime in order to recover cryogenic conditions. [...] 2018 - 4 p. - Published in : (2018) , pp. WEPAF078 - Published in : J. Phys. : Conf. Ser.: 1067 (2018) , no. 7, pp. 072036 Fulltext: PDF; In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPAF078

2019-03-19
06:54
 Performance Evaluation of Linac4 During the Reliability Run / Rey Orozko, Odei (CERN) ; Apollonio, Andrea (CERN) ; Erhard, Silvia (CERN) ; Guidoboni, Greta (CERN) ; Mikulec, Bettina (CERN) ; Uythoven, Jan (CERN) Linac4 will replace Linac2 as the first element in the CERN proton injector chain from 2020 onwards, following the second LHC long shutdown (LS2). With more than three times higher energy and number of compo-nents than Linac2, beam availability is one of the main challenges of Linac4. [...] 2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-WEPAF077 Fulltext: PDF; In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPAF077

2019-03-19
06:54
 Availability Studies Comparing Drive Beam and Klystron Options for the Compact Linear Collider / Rey Orozco, Odei (CERN) ; Doebert, Steffen (CERN) ; Jonker, Michael (CERN) The initial proposal for the Compact Linear Collider (CLIC) is based on a two beam-scheme to accelerate the main colliding beams. For low collision energies, the main beam could also be accelerated by powering the accelerating structures with klystrons instead of the two-beam scheme. [...] 2018 - 3 p. - Published in : 10.18429/JACoW-IPAC2018-WEPAF076 Fulltext: PDF; In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPAF076