CERN Accelerating science

LHC

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2018-12-17
15:31
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. [...]
CERN-ACC-NOTE-2018-0083.
- 2018. - 10 p.

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2018-12-10
10:09
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. [...]
CERN-ACC-NOTE-2018-0081.
- 2018. - 23 p.
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2018-12-04
06:43
Status of the LHC Schottky Monitors / Tydecks, Tobias (CERN) ; Alves, Diogo (CERN) ; Levens, Thomas (CERN) ; Wendt, Manfred (CERN) ; Wenninger, Jorg (CERN)
The Large Hadron Collider (LHC) features four transverse Schottky monitors detecting Schottky noise from the beam. From the Schottky noise signal, beam properties like tune, chromaticity, and bunch by bunch relative emittances, can be extracted. [...]
2018 - 3 p. - Published in : 10.18429/JACoW-IPAC2018-MOPMF058 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMF058

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2018-12-04
06:43
The Second LHC Long Shutdown (LS2) for the Superconducting Magnets / Tock, Jean-Philippe (CERN) ; Bednarek, Mateusz (CERN) ; Bottura, Luca (CERN) ; Karentzos, Efstathios (CERN ; Natl. Tech. U., Athens) ; Le Naour, Sandrine (CERN) ; Meuter, Florian (CERN) ; Pojer, Mirko (CERN) ; Scheuerlein, Christian (CERN) ; Todesco, Ezio (CERN) ; Tommasini, Davide (CERN) et al.
The Large Hadron Collider (LHC) has been delivering data to the physics experiments since 2009. It first operated at a centre of mass energy of 7 TeV and 8 TeV up to the first long shutdown (LS1) in 2013-14. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-MOPMF056
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMF056

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2018-11-22
16:56
Crystal Collimation Cleaning Measurements with Lead Ion Beams in LHC / Rossi, Roberto (Sapienza Universita e INFN, Roma I (IT)) ; Aberle, Oliver (CERN) ; Andreassen, Odd Oyvind (CERN) ; Butcher, Mark (CERN) ; Dionisio Barreto, Cristovao Andre (CERN) ; Masi, Alessandro (CERN) ; Mirarchi, Daniele (University of Manchester (GB)) ; Montesano, Simone (Universita e INFN, Bologna (IT)) ; Lamas Garcia, Inigo (CERN) ; Redaelli, Stefano (CERN) et al.
During this MD, performed on November the 26th, 2016, bent silicon crystals were tested with lead ion beams for a possible usage of crystal-assisted collimation [...]
CERN-ACC-NOTE-2018-0077.
- 2016. - 12 p.
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2018-11-22
10:02
Integration of Wireless Mobile Equipment in Vacuum Supervisory Applications / Blanchard, Sebastien (CERN) ; Ferreira, Rodrigo (CERN) ; Gomes, Paulo (CERN)
At first sight, the data acquisition and remote control of equipment temporary used during the commissioning phase of a vacuum system seems not to be a high priority requirement [...]
CERN-ACC-NOTE-2018-0076.
- 2018. - 14 p.

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2018-11-19
19:29
Analysis of tune modulations in the LHC / Wolf, Dominik Werner
CERN-THESIS-2018-251 ETP-Bachelor-KA/2018-22. - 64 p.

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2018-11-16
14:11
Radiation levels in the LHC during the 2015 Pb-Pb and 2016 p-Pb run and mitigation strategy for the electronic systems during HL-LHC operation / Martinella, Corinna (University of Jyvaskyla (FI)) ; Bahamonde Castro, Cristina (Ministere des affaires etrangeres et europeennes (FR)) ; Lechner, Anton (CERN) ; Danzeca, Salvatore (CERN) ; Kadi, Yacine (CERN) ; Brugger, Markus (CERN) ; Garcia Alia, Ruben (CERN)
During the Pb-Pb and p-Pb operations of LHC, high localized beam losses can induce a risk of failure for the electronic systems installed in the tunnel. [...]
CERN-ACC-NOTE-2018-0073.
- 2018. - 13 p.
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2018-11-16
13:21
LHC Availability 2018: Technical Stop 2 to Technical Stop 3 / Todd, Benjamin (CERN) ; Ponce, Laurette (CERN) ; Apollonio, Andrea (CERN) ; Walsh, David John (CERN)
This document summarises the LHC machine availability for the period of Technical Stop 2 (TS2) to the end of standard proton physics in 2018. [...]
CERN-ACC-NOTE-2018-0072.
- 2018. - 16 p.
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2018-11-16
06:28
Status of the LHC and possible scenarios for the luminosity upgrade / Scandale, W (CERN)
2006 - 16 p. - Published in : Italian Phys. Soc. Proc.: 92 (2006) , pp. 3-18
In : 3rd Italian Workshop on ATLAS and CMS Physics, Bari, Italy, 20 - 22 Oct 2005, pp.3-18

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