CERN Accelerating science

CERN Document Server 2,049 record trovati  1 - 10successivofine  salta al record: La ricerca ha impiegato 0.58 secondi. 
1.
Ground vibration monitoring at CERN as part of the international seismic network / Charrondiere, Cedric (CERN) ; Cabon, Morgane (CERN) ; Develle, Kevin (CERN) ; Guinchard, Michael (CERN)
The civil engineering activities in the framework of the High Luminosity LHC project, the Geneva GEothermie 2020 and the continuous monitoring of the LHC civil infrastructures triggered the need for the installation of a seismic network at CERN. A data acquisition system has been deployed in 3 places at CERN: ATLAS, CMS and the Prévessin site. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-ICALEPCS2017-THPHA134 Fulltext: PDF;
In : International Conference on Accelerator and Large Experimental Physics Control Systems, Barcelona, Spain, 8 - 13 Oct 2017, pp.THPHA134
2.
Investigation and Estimation of the LHC Magnet Vibrations Induced by HL-LHC Civil Engineering Activities / Guinchard, Michael (CERN) ; Cabon, Morgane (CERN) ; Charrondière, Cedric (CERN) ; Develle, Kevin (CERN) ; Fessia, Paolo (CERN) ; Lacny, Lukasz (CERN ; Cracow Tech. U.) ; Osborne, John (CERN) ; Scislo, Lukasz (CERN ; Cracow Tech. U.) ; Wenninger, Jorg (CERN)
The HL-LHC project requires major underground civil engineering, with the excavation of large underground structures in order to host new equipment. The tunnels con-struction and other civil engineering works will therefore take place in parallel with the LHC operation. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-WEPMF080 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPMF080
3.
MEDICIS high level control application / Charrondiere, Cedric (CERN) ; Develle, Kevin (CERN) ; Stora, Thierry (CERN)
CERN MEDICIS is a research facility that will produce radioisotopes for medical research using the primary proton beam at ISOLDE and ISOLDE-like targets. It will start operating later in 2017. [...]
2018 - 5 p. - Published in : 10.18429/JACoW-ICALEPCS2017-TUPHA209 Fulltext: PDF;
In : International Conference on Accelerator and Large Experimental Physics Control Systems, Barcelona, Spain, 8 - 13 Oct 2017, pp.TUPHA209
4.
Mechanical Strain Measurements Based on Fiber Bragg Grating Down to Cryogenic Temperature - R&D; Study and Applications / Guinchard, Michael (CERN) ; Bertarelli, Alessandro (CERN) ; Bianchi, Laura (CERN) ; Boyer, Francois (CERN) ; Cabon, Morgane (CERN) ; Calviani, Marco (CERN) ; Capatina, Ofelia (CERN) ; Catinaccio, Andrea (CERN) ; Ferracin, Paolo (CERN) ; Grosclaude, Philippe (CERN ; Unlisted, CH)
In recent years, optical fiber sensors have been increasingly used due to their outstanding performances. Their application is preferable in case of special requirements that exclude the application of conventional electrical sensors. [...]
2018 - 3 p. - Published in : 10.18429/JACoW-IPAC2018-WEPMF081 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPMF081
5.
Evaluation of Timing and Synchronization Techniques on NI CompactRIO Platforms / Andreassen, Odd (CERN) ; Charrondière, Cedric (CERN) ; Develle, Kevin (CERN) ; Rossel, Ralf (CERN) ; Zilliox, Thomas (CERN)
For distributed data acquisition and control system, clock synchronization between devices is key. The internal CPU clock of a CompactRIO has an accuracy of 40 ppm at 25 degree Celsius, which can cause up to 3 sec of drift per day. [...]
2019 - 4 p. - Published in : 10.18429/JACoW-ICALEPCS2019-WEPHA027
In : 17th Biennial International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS), New York, United States, 5 - 11 Oct 2019, pp.WEPHA027
6.
Integrating COTS Equipment in the CERN Accelerator Domain / Andreassen, Odd (CERN) ; Charrondière, Cedric (CERN) ; Develle, Kevin (CERN) ; Rijllart, Adriaan (CERN) ; Rossel, Ralf (CERN) ; Steen, Joergen (CERN) ; Tagg, Joseph (CERN) ; Zilliox, Thomas (CERN)
Successful integration of industrial equipment in the CERN accelerator complex relies mainly on 3 key components. The first part is the Controls Middleware (CMW). [...]
2019 - 5 p. - Published in : 10.18429/JACoW-ICALEPCS2019-WEPHA026
In : 17th Biennial International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS), New York, United States, 5 - 11 Oct 2019, pp.WEPHA026
7.
A real-time, distributed power measuring and transient recording system for accelerators' electrical networks / Freddi, Emanuele (CERN) ; Andreassen, Odd (CERN) ; Develle, Kevin (CERN) ; Lahaye, Joel (CERN) ; Mätäsaho, Iikka (CERN) ; Rijllart, Adriaan (CERN)
Particle accelerators are complex machines with fast and high power absorption peaks. Power quality is a critical aspect for correct operation. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-ICALEPCS2017-TUPHA066 Fulltext: PDF;
In : International Conference on Accelerator and Large Experimental Physics Control Systems, Barcelona, Spain, 8 - 13 Oct 2017, pp.TUPHA066
8.
Estimated Impact of Ground Motion on HL-LHC Beam Orbit / Gamba, Davide (CERN) ; Corsini, Roberto (CERN) ; Guinchard, Michael (CERN) ; Schaumann, Michaela (CERN) ; Wenninger, Jorg (CERN)
The High Luminosity LHC (HL-LHC) will require unprecedented orbit stability at the low beta collision points (IP1 and IP5), and the effect of seismic noise might become a relevant source of luminosity loss. Many studies have been conducted in the past to characterise the actual ground motion in the LHC tunnel, and recently a few geo-phones have been installed to permanently monitor the ground stability at IP1 and IP5. [...]
CERN-ACC-2018-132.- 2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-THPAF040 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPAF040
9.
Effect of ground motion introduced by HL-LHC CE work on LHC beam operation / Schaumann, Michaela (CERN) ; Gamba, Davide (CERN) ; Guinchard, Michael (CERN) ; Scislo, Lukasz (CERN ; Cracow Tech. U.) ; Wenninger, Jorg (CERN)
The official groundbreaking of the civil engineering (CE) work for the high luminosity upgrade of the LHC started on 15 June 2018 parallel to LHC beam operation. Compactor work and shaft excavation around the two low beta experiments, ATLAS and CMS, were expected to induce vibrations to the accelerator magnets and cause orbit disturbance, beam loss and potentially premature beam dumps. [...]
CERN-ACC-2019-125.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-THPRB116 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.THPRB116
10.
CERN BDF Prototype Target Operation, Removal and Autopsy Steps / Franqueira Ximenes, Rui (CERN) ; Aberle, Oliver (CERN) ; Ahdida, Claudia (CERN) ; Avigni, Pietro (CERN) ; Battistin, Michele (CERN) ; Bianchi, Laura (CERN) ; Buonocore, Luca Rosario (CERN) ; Burger, Stephane (CERN) ; Busom Descarrega, Josep (CERN) ; Calviani, Marco (CERN) et al.
The Beam Dump Facility (BDF), currently in the study phase, is a proposed general-purpose fixed target facility at CERN. Initially will host the Search for Hidden Particles (SHiP) experiment, intended to investigate the origin of dark matter and other weakly interacting particles. [...]
Geneva : JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 3559-3562 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.3559-3562

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