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Proof of Concept of CLIC Final Focus Quadrupoles Stabilization
/ Balik, Gael (Annecy, LAPP) ; Aimard, Benjamin (Annecy, LAPP) ; Brunetti, Laurent (Annecy, LAPP) ; Caron, Bernard (SYMME, Annecy)
The Compact LInear Collider (CLIC) [1] luminosity requires extremely low beam emittances. Therefore, high beam position stability is needed to provide cen-tral collisions of the opposing bunches [...]
CERN-ACC-2017-104; CLIC-Note-1120.-
2017 - 3 p.
- Published in : 10.18429/JACoW-IPAC2017-TUPAB001
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.TUPAB001
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2.
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Active Vibration Isolation System for CLIC Final Focus
/ Balik, Gael (Annecy, LAPP) ; Allemandou, Nicolas (Annecy, LAPP) ; Allibe, Julie (Annecy, LAPP) ; Baud, Jean Philippe (Annecy, LAPP) ; Brunetti, Laurent (Annecy, LAPP) ; Deleglise, Guillaume (Annecy, LAPP) ; Jeremie, Andrea (Annecy, LAPP) ; Vilalte, Sebastien (Annecy, LAPP) ; Caron, Bernard (Savoie U.) ; Hernandez, Camilo (Savoie U.)
With pinpoint accuracy, the next generation of Linear Collider such as CLIC will collide electron and positron beams at a centre of mass energy of 3 TeV with a desired peak luminosity of 2*1034 cm⁻²s^{−1}. One of the many challenging features of CLIC is its ability to collide beams at the sub-nanometer scale at the Interaction Point (IP). [...]
2014 - 3 p.
- Published in : , pp. TUPRI088
Fulltext: PDF; External link: Published version from JACoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.TUPRI088
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3.
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Vibration Control Using a Dedicated Inertial Sensor
/ Balik, Gael (Annecy, LAPP) ; Caron, Bernard (Savoie U. (main)) ; Aimard, Benjamin (Annecy, LAPP) ; Brunetti, Laurent (Annecy, LAPP) ; Deleglise, Guillaume (Annecy, LAPP)
The Compact Linear Collider (CLIC) project is right in the development phase. In this prospect, the main objective of the final focus stabilization is to succeed in damping ground motion vibration at the sub-nanometer scale to avoid any unwanted motion of the two last final focus magnets. [...]
2018 - 8 p.
- Published in : IEEE Sensors J. 18 (2018) 428-435
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4.
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Vibration and luminosity frequency analysis of the SuperKEKB collider
/ Serluca, Maurizio (Annecy, LAPP) ; Balik, Gael (Annecy, LAPP) ; Brunetti, Laurent (Annecy, LAPP) ; Aimard, Benjamin (Annecy, LAPP) ; Dominjon, Agnes (Annecy, LAPP) ; Bambade, Philip (IJCLab, Orsay) ; Wallon, Sandry (IJCLab, Orsay) ; Di Carlo, Salvatore (CERN) ; Masuzawa, Mika (KEK, Tsukuba) ; Uehara, Sadaharu (KEK, Tsukuba)
The SuperKEKB collider has entered the physics production phase with the aim to reach its target luminosity of 6×1035 cm−2s−1. Vibrations of the accelerator elements, especially around the Interaction Point (IP), could limit the performance of the collider. [...]
2022 - 9 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1025 (2022) 166123
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5.
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Improving the Performance of an Orbit Feed-forward Based on Quadrupole Motion at the KEK ATF
/ Bett, Douglas (CERN) ; Burrows, Philip (JAI, Oxford) ; Charrondière, Cedric (CERN) ; Christian, Glenn (JAI, Oxford) ; Jeremie, Andrea (Annecy, LAPP) ; Kubo, Kiyoshi (KEK, Tsukuba) ; Kuroda, Shigeru (KEK, Tsukuba) ; Naito, Takashi (KEK, Tsukuba) ; Okugi, Toshiyuki (KEK, Tsukuba) ; Patecki, Marcin (CERN) et al.
The high luminosity requirement for a future linear collider sets a demanding limit on the beam quality at the Interation Point (IP). Even the natural motion of the ground could misalign the quadrupole magnets to such an extent that the resulting dipole kicks would require compensation. [...]
CERN-ACC-2017-249.-
2017 - 4 p.
- Published in : 10.18429/JACoW-IPAC2017-TUPIK097
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.TUPIK097
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6.
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Ground Motion Compensation using Feed-forward Control at ATF2
/ Bett, Douglas (CERN) ; Charrondière, Cedric (CERN) ; Jeremie, Andrea (Annecy, LAPP) ; Kubo, Kiyoshi (KEK, Tsukuba) ; Kuroda, Shigeru (KEK, Tsukuba) ; Naito, Takashi (KEK, Tsukuba) ; Okugi, Toshiyuki (KEK, Tsukuba) ; Patecki, Marcin (CERN) ; Pfingstner, Juergen (CERN) ; Schulte, Daniel (CERN) et al.
Ground motion compensation using feed-forward control is a novel technique being developed to combat beam imperfections resulting from the vibration-induced misalignment of beamline components. The method is being evaluated experimentally at the KEK Accelerator Test Facility 2 (ATF2). [...]
CERN-ACC-2016-206.-
2016 - 3 p.
- Published in : 10.18429/JACoW-IPAC2016-WEPOR005
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.WEPOR005
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7.
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Oide Limit Mitigation Studies
/ Blanco-García, Oscar (Orsay, LAL) ; Bambade, Philip (Orsay, LAL) ; Tomás, Rogelio (CERN)
Particle radiation when traversing a focusing quadrupole limits the minimum achievable beam size, known as the Oide limit. This effect may be compensated by a pair of multipoles which reduce the impact of the energy loss in the vertical beam size. [...]
CERN-ACC-2015-375.-
2015 - 3 p.
- Published in : (2015) , pp. MOPHA004
Published version from JACoW: PDF; External link: JACOW
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.MOPHA004
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8.
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Interaction point feedback design and integrated simulations to stabilize the CLIC final focus
/ Balik, G (Annecy, LAPP) ; Brunetti, L (Annecy, LAPP ; Savoie U.) ; Deleglise, G (Annecy, LAPP ; Savoie U.) ; Jeremie, A (Annecy, LAPP ; Savoie U.) ; Pacquet, L (Annecy, LAPP ; Savoie U.) ; Badel, A (SYMME, Annecy-le-Vieux) ; Caron, B (SYMME, Annecy-le-Vieux) ; Le Breton, R (SYMME, Annecy-le-Vieux) ; Latina, A (CERN) ; Pfingstner, J (CERN) et al.
WP: 9: Technology for normal conducting higher energy linear accelerators
Task: 9.3: Linac & FF Stabilization
The Compact Linear Collider (CLIC) accelerator has strong precision requirements on the offset position between the beams. [...]
EuCARD-CON-2011-038 ; CLIC-Note-928.
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2011
Published version from JACoW - Full text - Access to fulltext document
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9.
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Status of Ground Motion Mitigation Techniques for CLIC
/ Snuverink, J (CERN) ; Artoos, K (CERN) ; Collette, C (CERN) ; Duarte Ramos, F (CERN) ; Gaddi, A (CERN) ; Gerwig, H (CERN) ; Janssens, S (CERN) ; Pfingstner, J (CERN) ; Schulte, D (CERN) ; Balik, G (Annecy, LAPP) et al.
WP: 9: Technology for normal conducting higher energy linear accelerators
Task: 9.3: Linac & FF Stabilization
The Compact Linear Collider (CLIC) accelerator has strong stability requirements on the position of the beam. [...]
EuCARD-CON-2011-034 ; CERN-ATS-2011-126 ; CLIC-Note-898.
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2011 - 3.
Published version from JACoW - Full text - Access to fulltext document - Fulltext
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10.
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What is the best displacement transducer for a seismic sensor?
/ Novotny, Peter (CERN ; Savoie U. (main)) ; Aimard, Benjamin (Annecy, LAPP) ; Balik, Gael (Annecy, LAPP) ; Brunetti, Laurent (Annecy, LAPP) ; Caron, Bernard (Savoie U. (main)) ; Gaddi, Andrea (CERN)
This paper presents a development of a seismic sensor for the future Compact Linear Collider (CLIC). Sensor in which three different types of sub-nanometre displacement transducers have been integrated: a Fabry-Pérot interferometer, an optical encoder and a capacitive transducer. [...]
2017 - 4 p.
- Published in : 10.1109/ISISS.2017.7935672
In : 4th IEEE International Symposium on Inertial Sensors & Systems, Kauai, Hawai, USA, 27 - 30 Mar 2017, pp.121-124
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