CERN Accelerating science

CLIC Notes

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2014-11-07
17:35
Oide Effect and Radiation in Bending Magnets / Blanco, Oscar (CERN and LAL) ; Tomas, Rogelio (CERN) ; Bambade, Philip (LAL)
Including radiation effects during lattice design optimization is crucial in high energy accelerators. Oide effect and radiation in bending magnets are reviewed aiming to include them in the optical design process to minimize the IP beam size. [...]
CERN-OPEN-2014-051; CLIC-Note-1049.- Geneva : CERN, 2014 - 14 p. Preprint: PDF; External link: Approve this document (restricted)

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2014-09-30
14:17
2D ArcPIC Code Description: Description of Methods and User / Developer Manual (second edition) / Sjobak, Kyrre Ness (U. Oslo, Dept. Phys. ; CERN) ; Timko, Helga (Helsinki Inst. of Phys. ; CERN)
Vacuum discharges are one of the main limiting factors for future linear collider designs such as that of the Compact LInear Collider (CLIC). [...]
CERN-OPEN-2014-048 ; CLIC-Note-1032.
- 2014. - 68 p.
Preprint

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2014-09-26
09:24
Estimation of potential radiation damage to electronics units in the CLIC tunnel / Patapenka, Andrei (Joint Inst. Power Nucl. Res., Minsk) ; Mallows, Sophie (CERN)
An electronic unit is required for each CLIC “Two Beam Module”. [...]
CERN-OPEN-2014-047 ; CLIC-Note-1028.
- 2014. - 10 p.
Preprint

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2014-09-23
17:07
Proof of the nonexistence of a linear solution for the CR2 injection region of the CLIC drive beam / Apsimon, Robert (CERN) ; Esberg, Jakob (CERN)
In this paper we present a mathematical proof to show that there exists no linear system of optics which can simultaneously close an orbit bump and correct the dispersion in the CR2 injection region. [...]
CERN-OPEN-2014-045 ; CLIC-Note-1035.
- 2014. - 13 p.
Preprint

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2014-09-23
10:33
Design of the Injection and extraction system and related machine protection for the Clic Damping Rings / Apsimon, Robert (CERN) ; Balhan, Bruno (CERN) ; Barnes, Mike (CERN) ; Borburgh, Jan (CERN) ; Goddard, Brennan (CERN) ; Papaphilippou, Yannis (CERN) ; Uythoven, Jan (CERN)
Linear machines such as CLIC have relatively low rates of collision between bunches compared to their circular counterparts. [...]
CERN-OPEN-2014-044 ; CLIC-Note-1034.
- 2014. - 20 p.
Preprint

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2014-09-18
16:13
Breakdown localization in the fixed gap system / Rajamaki, Robin (Helsinki Inst. of Phys.) ; Sjobak, Kyrre Ness (U. Oslo, Dept. Phys. ; CERN) ; Wuensch, Walter (CERN)
Accurate localization of breakdowns in vacuum could help shed light on breakdown related processes that are not yet fully understood. [...]
CERN-OPEN-2014-043 ; CLIC-Note-1033.
- 2014. - 22 p.
Preprint

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2014-09-10
09:31
Design Considerations of the Final Turnaround Regions for the CLIC Drive Beam / Apsimon, R (CERN) ; Esberg, J (CERN) ; Latina, A (CERN) ; Schulte, D (CERN) ; Uythoven, J (CERN)
The optics design of the final turnaround regions for the CLIC drive beam is presented. This includes the extraction region, the turnaround loop and the phase feed forward chicane for correcting errors on the bunch phase. [...]
CERN-ACC-2014-0199; CLIC-Note-1048.- Geneva : CERN, 2014 - 4 p. Fulltext: CERN-ACC-2014-0199 - PDF; CLIC-Note-1048 - PDF; External link: Published version from JaCoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.485

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2014-07-11
16:14
Thermo-Mechanical tests for the CLIC two-beam module study / Xydou, A (CERN) ; Vamvakas, A (CERN) ; Riddone, G (CERN) ; Daskalaki, E (NTUA)
The luminosity goal of CLIC requires micron level precision with respect to the alignment of the components on its two-meter long modules, composing the two main linacs. The power dissipated inside the module components introduces mechanical deformations affecting their alignment and therefore the resulting machine performance. [...]
CERN-ACC-2014-0164; CLIC-Note-1046.- Geneva : CERN, 2014 - 4 p. Fulltext: CLIC-Note-1046 - PDF; CERN-ACC-2014-0164 - PDF; External link: Published version from JaCoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.1370

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2014-07-11
16:09
Tuning of the Compact Linear Collider Beam Delivery System / Garcia, H (CERN) ; Giambelli, G (CERN) ; Inntjore Levinsen, Y (CERN) ; Latina, A (CERN) ; Tomas, R (CERN) ; Snuverink, J (Royal Holloway, U. of London)
Tuning the Compact Linear Collider (CLIC) BeamDelivery System (BDS), and in particular the Final Focus (FF), is a challenging task. In simulations without misalignments, the goal is to reach 120%o f the nominal luminosity target, in order to allow for 10% loss due to static imperfections, and another 10% loss from dynamic imperfections. [...]
CERN-ACC-2014-0163; CLIC-Note-1045.- Geneva : CERN, 2014 - 4 p. Fulltext: CERN-ACC-2014-0163 - PDF; CLIC-Note-1045 - PDF; External link: Published version from JaCoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.3788

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2014-07-11
15:12
Status of the CLIC/CTF Beam Instrumentation R&D / Benot-Morell, A (CERN) ; Bielawski, B P (CERN) ; Bobb, L (CERN) ; Bravin, E (CERN) ; Lefevre, T (CERN) ; Locci, F (CERN) ; Magnoni, S (CERN) ; Mazzoni, S (CERN) ; Nebot del Busto, E (CERN) ; Pan, R (CERN) et al.
The Compact Linear Collider (CLIC) is an e+/e- collider based on the two-beam acceleration principle, proposed to support precision high-energy physics experiments in the energy range 0.5-3 TeV [1]. To achieve a high luminosity of up to 6x1034cm-2s-1, the transport and preservation of a low emittance beam is mandatory. [...]
CERN-ACC-2014-0157; CLIC-Note-1044.- Geneva : CERN, 2014 - 5 p. Fulltext: CERN-ACC-2014-0157 - PDF; CLIC-Note-1044 - PDF; External link: Published version from JaCoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.3690

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