CERN Accelerating science


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ATLAS Collaboration Maps (November 2018) / Anthony, Katarina (Universita degli Studi di Udine (IT))
Maps showing the institution countries of the ATLAS Collaboration and the nationalities of ATLAS members [...]
- 2019. - 1.
Language: English

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Magnetic Frequency Response of High-Luminosity Large Hadron Collider Beam Screens / Morrone, Marco (CERN, Imperial College London) ; Martino, Michele (CERN) ; De Maria, Riccardo (CERN) ; Fitterer, Miriam (FNAL) ; Garion, Cedric (CERN)
Magnetic fields used to control particle beams in accelerators are usually controlled by regulating the electrical current of the power converters. [...]
- 2019. - 22 p.
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MD#1828: Beam scraping in case of non-working LBDS / Valette, Matthieu ; Lindstrom, Bjorn Hans Filip (Uppsala University (SE)) ; Mereghetti, Alessio (CERN) ; Schmidt, Rudiger (Technische Universitaet Darmstadt (DE)) ; Solfaroli Camillocci, Matteo (CERN) ; Uythoven, Jan (CERN) ; Valuch, Daniel (CERN) ; Wenninger, Jorg (CERN) ; Wollmann, Daniel (CERN) ; Zerlauth, Markus (CERN)
In the very unlikely event of a non-working beam dumping system in the LHC, the up to 360 MJ (680 MJ for HiLumi) of beam energy per beam can be dissipated in the collimation system as a last alternative to an extraction into the beam dump. [...]
- 2019. - 6 p.
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Detailed analysis of the evolution and distribution of the total ionising dose in the LHC arc sections during the accelerator operation / Bilko, Kacper
Continuous particle losses are an integral part of each accelerator operation [...]
CERN-THESIS-2018-307 - Krakow : AGH UST - Faculty of Physics and Applied Computer Science, 2018-12-18. - 99 p.

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Analog Front End Development for the Large Hadron Collider Interlock Beam Position Monitor Upgrade / Bjorkqvist, Oskar
The interlock Beam Position Monitor (BPM) system in the Large Hadron Collider (LHC) is responsible for monitoring the particle beam position at the point of the beam dump kicker magnets and is part of the machine protection system [...]
CERN-THESIS-2018-304 - 87 p.

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Electron cloud formation in CERN particle accelerators and its impact on the beam dynamics / Romano, Annalisa
In high energy accelerators operating with positively charged particles, photoemission and secondary emission can give rise to an exponential electron multiplication within the beam chamber, which leads to the formation of a so-called Electron Cloud (EC) [...]
CERN-THESIS-2018-299 -

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High Energy Hadrons Fluence Measurements in the LHC during 2015, 2016 and 2017 Proton Physics Operations. / Martinella, Corinna (University of Jyvaskyla (FI))
In order to reduce the risk of failure for the electronic equipment installed in the underground areas of LHC, every year the Radiation Monitors (RadMons) are used to measure the High Energy Hadrons (HEH) fluence in the tunnel and in the shielded areas. [...]
- 2018. - 47 p.
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HL-LHC impedance and related effects / Amorim, David (Universite Grenoble-Alpes (FR)) ; Antipov, Sergey (CERN) ; Biancacci, Nicolo (CERN) ; Salvant, Benoit (CERN) ; Arpaia, Pasquale (Universita e sezione INFN di Napoli (IT)) ; Barnes, Mike (CERN) ; Bonanno, Edoardo (Universita degli studi di Palermo (IT)) ; Calaga, Rama (CERN) ; Carideo, Emanuela (Universita del Sannio (IT)) ; Day, Hugo Alistair et al.
This note aims at gathering the work done by CERN and collaborators on the HL-LHC beam coupling impedance in the recent years and identifying the next steps [...]
- 2018. - 93 p.
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MD3344 - Fully-Automatic Angular Alignment of LHC Collimators using Machine Learning / Azzopardi, Gabriella (University of Malta (MT)) ; Valentino, Gianluca (University of Malta (MT)) ; Salvachua Ferrando, Belen Maria (CERN)
A complex collimation system is installed in the LHC to protect its sensitive equipment from unavoidable beam losses. [...]
- 2018. - 10 p.
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LHC Availability 2018: Proton Physics / Todd, Benjamin (CERN) ; Ponce, Laurette (CERN) ; Apollonio, Andrea (CERN) ; Walsh, David John (CERN)
This document summarises the LHC machine availability for the period of Restart to Technical Stop 3 (TS3) in 2018. [...]
- 2018. - 23 p.
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