CERN Accelerating science

CERN Document Server 9 records found  Search took 0.53 seconds. 
1.
Advanced Loss Map Analysis for Performance Assessment of the LHC Collimation System / Ziliotto, Filippo (Universita e INFN, Padova (IT)) ; D'Andrea, Marco (CERN) ; Redaelli, Stefano (CERN) ; Van Der Veken, Frederik (CERN)
Due to the rapid progress of the LHC performance, it is essential to monitor the damage potential of the circulating beams. [...]
CERN-ACC-NOTE-2023-0026.
- 2023.
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2.
Updated parameters for HL-LHC aperture calculations for proton beams / Bruce, Roderik (CERN) ; Bracco, Chiara (CERN) ; De Maria, Riccardo (CERN) ; Giovannozzi, Massimo (CERN) ; Redaelli, Stefano (CERN) ; Tomas Garcia, Rogelio (CERN) ; Velotti, Francesco Maria (CERN) ; Wenninger, Jorg (CERN)
During the accelerator design, it is important to have a reliable way of estimating the available aperture, in order to ensure a sufficient beam clearing and avoid potentially limiting beam losses on the aperture. [...]
CERN-ACC-2017-0051.
- 2017. - 14 p.
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3.
THERMOPHYSICAL AND MECHANICAL CHARACTERIZATION OF ADVANCED MATERIALS FOR THE LHC COLLIMATION SYSTEM / Bianchi, Laura (Universita & INFN, Pisa (IT))
The aim of the thesis is to describe the methods employed for the thermo-physical and mechanical characterization and to show the results of the campaign conducted over two ceramic matrix composites, CFC FS140® and MG-6403-Fc, which are candidates as jaws materials in the LHC collimation system. [...]
CERN-ACC-NOTE-2017-0038.
- 2017. - 133 p.
4.
Study on off-momentum tail scraping in the LHC / Mirarchi, D ; Redaelli, S ; Bruce, R
A study on o-momentum tail population in the LHC was performed through collimator scraping at high dispersion region. [...]
CERN-ACC-NOTE-2014-0061.
- 2014. - 13 p.
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5.
The new transfer line collimation system for the LHC high luminosity era / Kain, V (CERN) ; Bracco, C (CERN) ; Goddard, B (CERN) ; Maciariello, F (CERN) ; Meddahi, M (CERN) ; Mereghetti, A (CERN) ; Steele, G (CERN) ; Velotti, F (CERN) ; Gianfelice-Wendt, E (Fermilab)
A set of passive absorbers is located at the end of each of the 3 km long injection lines to protect the LHC in case of failures during the extraction process from the LHC’s last pre-injector or in the beam transfer itself. In case of an erroneous extraction, the absorbers have to attenuate the beam to a safe level and be robust enough themselves to survive the impact. [...]
CERN-ACC-2014-0079.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF; External link: Published version from JaCoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.839
6.
Collimation quench test with 4 TeV proton beams / Salvachua, B ; Bruce, R ; Cauchi, M ; Deboy, D ; Hofle, W ; Holzer, EB ; Jacquet, D ; Lari, L ; Nebot, E ; Mirarchi, D et al.
In 2013, at the end of the LHC physics run I, several quench tests took place with the aim to measure the quench limit of the LHC superconducting magnets. [...]
CERN-ACC-NOTE-2014-0036.
- 2014. - 16 p.
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7.
Sources of machine-induced background in the ATLAS and CMS detectors at the CERN Large Hadron Collider / Bruce, R (CERN) ; Assmann, R W (DESY) ; Boccone, V (CERN) ; Bregliozzi, G (CERN) ; Burkhardt, H (CERN) ; Cerutti, F (CERN) ; Ferrari, A (CERN) ; Huhtinen, M (CERN) ; Lechner, A (CERN) ; Levinsen, Y (CERN) et al.
One source of experimental background in the CERN Large Hadron Collider (LHC) is particles entering the detectors from the machine. These particles are created in cascades, caused by upstream interactions of beam protons with residual gas molecules or collimators. [...]
CERN-ACC-2014-0021; FERMILAB-PUB-13-590-APC.- Geneva : CERN, 2013 - 22 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 729 (2013) 825-840 Fulltext: PDF;
8.
Development, Validation and Application of a Novel Method for Estimating the Thermal Conductance of Critical Interfaces in the Jaws of the LHC Collimation System / Leitao, I V (CERN)
The motivation for this project arises from the difficulty in quantifying the manufacturing quality of critical interfaces in the water cooled jaws of the TCTP and TCSP (Target Collimator Tertiary Pickup and Target Collimator Secondary Pickup) collimators. These interfaces play a decisive role in the transfer of heat deposited by the beam towards the cooling system avoiding excessive deformation of the collimator. [...]
CERN-ACC-2013-0273.- Geneva : CERN, 2013 - 4 p. - Published in : Conf. Proc.: C130512 (2013) , pp. THPFI060
Published version from JaCoW: PDF;
In : 4th International Particle Accelerator Conference, Shanghai, China, 12 - 17 May 2013, pp.3430
9.
Thermal characterization of INERMET180 / Cauchi, M ; Hohenauer, W
A thermophysical analysis of INERMET180 has been performed at the Austrian Institute of Technology. [...]
CERN-ACC-NOTE-2013-0023.
- 2013. - 35 p.
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