CERN Accelerating science

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1.
Frequency Scanning Interferometry as New Solution for on-Line Monitoring Inside a Cryostat for the HL-LHC project / Mainaud Durand, Helene (CERN) ; Dijoud, Thibault (CERN) ; Duquenne, Mathieu (CERN ; Unlisted, FR) ; Gayde, Jean-Christophe (CERN) ; Micolon, Frederic (CERN) ; Rude, Vivien (CERN ; Unlisted, FR) ; Sosin, Mateusz (CERN)
For the HL-LHC project, the cryostats of the key components will be equipped permanently with an on-line position monitoring system based on Frequency Scanning Interferometry (FSI). Such a system, based on absolute distance measurement, will determine the position of the inner triplet cold masses w.r.t. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-WEPAF068 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPAF068
2.
HL-LHC Alignment Requirements and Associated Solutions / Mainaud Durand, Helene (CERN) ; Bartolome-Jimenez, Sonia (CERN) ; Dijoud, Thibault (CERN) ; Duquenne, Mathieu (ESGT, Le Mans) ; Herty, Andreas (CERN) ; Rude, Vivien (ESGT, Le Mans) ; Sosin, Mateusz (CERN)
To increase by more than 10 times the luminosity reach w.r.t the first 10 years of the LHC lifetime, the HL-LHC project will replace nearly 1.2 km of the accelerator during the Long Shutdown 3 scheduled in 2024 [1][2][3]. This paper presents the HL-LHC alignment and internal metrology requirements of all the new components to be installed, from the magnet components to the beam instrumentation and vacuum devices. [...]
CERN-ACC-2017-138.- 2017 - 4 p. - Published in : 10.18429/JACoW-IPAC2017-TUPIK085 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.TUPIK085
3.
Integration and Testing of 3 Consecutive CLIC Two-Beam Modules / Vamvakas, Alexios (CERN) ; Aicheler, Markus (Helsinki Inst. of Phys.) ; Döbert, Steffen (CERN) ; Duquenne, Mathieu (CERN) ; Mainaud Durand, Helene (CERN) ; Rude, Vivien (Unlisted, FR) ; Sosin, Mateusz (CERN) ; Väinölä, Jukka (Helsinki Inst. of Phys.)
CLIC (Compact LInear Collider) is a study of a 50 km long linear electron-positron collider, consisting of ap-proximately 20,000 repetitive 2 m long modules. Micron level manufacturing and alignment tolerances are re-quired for the RF and magnet components due to the nanometre beam size and luminosity goal. [...]
CERN-ACC-2016-145; CLIC-Note-1103.- 2016 - 3 p. - Published in : 10.18429/JACoW-IPAC2016-THPOR033 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPOR033
4.
Study of the Dynamic Response of CLIC Accelerating Structures / Daskalaki, Eleni (Natl. Tech. U., Athens) ; Döbert, Steffen (CERN) ; Duquenne, Mathieu (CERN) ; Mainaud Durand, Helene (CERN) ; Rude, Vivien (ISMM, Le Mans) ; Vamvakas, Alexios (CERN)
CLIC is a linear electron-positron collider, 48 km long, consisting of more than 20000 repetitive modules. The target beam size of 1 nm dictates very tight alignment tolerances for the accelerating structures (AS). [...]
CERN-ACC-2015-286.- 2015 - 4 p. - Published in : (2015) , pp. TUPTY003 Published version from JACoW: PDF; External link: JACOW
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.TUPTY003
5.
Alignment Methods Developed for the Validation of the Thermal and Mechanical Behaviour of the Two Beam Test Modules for the CLIC Project / Mainaud Durand, Helene (CERN) ; Duquenne, Mathieu (CERN) ; Sosin, Mateusz (CERN) ; Rude, Vivien (Ecole Supérieure des Géomètres et Topographes, Le Mans, France)
CLIC project will consist of more than 20 000 two meters long modules [...]
CERN-ACC-2015-0088.
- 2014. - 8 p.
Full text
6.
Drive Beam Quadrupoles for the CLIC Project: a Novel Method of Fiducialisation and a New Micrometric Adjustment System / Mainaud Durand, Helene (CERN) ; Duquenne, Mathieu (CERN) ; Sandomierski, Jacek (CERN) ; Sosin, Mateusz (CERN) ; Rude, Vivien (CERN)
This paper presents a new method of fiducialisation applied to determine the magnetic axis of the Drive Beam quadrupole of the CLIC project with respect to external alignment fiducials, within a micrometric accuracy and precision. [...]
CERN-ACC-2015-0083.
- 2014. - 7 p.
Full text
7.
Design and Study on a 5 Degree-of-freedom Adjustment Platform for CLIC Drive Beam Quadrupoles / Sosin, Mateusz (CERN) ; Anastasopoulos, Michail (CERN) ; Duquenne, Mathieu (CERN) ; Kemppinen, Juha (CERN) ; Mainaud Durand, Helene (CERN) ; Rude, Vivien (CERN) ; Sandomierski, Jacek (CERN)
Since several years CERN is studying the feasibility of building a high energy e⁺ e^{−} linear collider: the CLIC (Compact LInear Collider). The pre-alignment precision and accuracy requirement for the transverse positions of the linac components is typically 14 micrometers over a sliding window of 200m. [...]
2014 - 3 p. - Published in : , pp. TUPRI095 Fulltext: PDF; External link: Published version from JACoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.TUPRI095
8.
Determination of the Magnetic Axis of a CLIC Drive Beam Quadrupole with respect to External Alignment Targets using a Combination of WPS, CMM and Laser Tracker Measurements / Duquenne, Mathieu (CERN) ; Anastasopoulos, Michail (CERN) ; Caiazza, Domenico (CERN) ; Deferne, Guy (CERN) ; Garcia Perez, Juan (CERN) ; Mainaud Durand, Helene (CERN) ; Modena, Michele (CERN) ; Rude, Vivien (CERN) ; Sandomierski, Jacek (CERN) ; Sosin, Mateusz (CERN)
CERN is currently studying the feasibility of building a high energy e⁺ e^{−} linear collider: the CLIC (Compact LInear Collider). One of the engineering challenges is the pre-alignment precision and accuracy requirement on the alignment of the linac components. [...]
2014 - 3 p. - Published in : , pp. TUPRI093 Fulltext: PDF; External link: Published version from JACoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.TUPRI093

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