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2.
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Bunch Frequency Multiplication in the CLIC Test Facility CTF3
/ Tecker, F A (CERN) ; Corsini, R (CERN) ; Rinolfi, Louis (CERN) ; Biscari, C (Frascati) ; Ghigo, A (Frascati) ; Preger, M (Frascati) ; Royer, P (Lausanne U.) ; Ferrari, A (Uppsala U.)
The aim of the CLIC Test Facility CTF3 at CERN is to prove the feasibility of key issues of the two-beam based Compact Linear Collider (CLIC) study. In particular, it addresses the generation of a drive beam with the appropriate time structure to produce high power RF pulses at a frequency of 30 GHz. [...]
CERN-AB-2003-042-OP; CLIC-Note-565.-
Geneva : CERN, 2003 - 4 p.
Access to fulltext document: PDF; External link: Published version from JACoW
In : 20th IEEE Particle Accelerator Conference, Portland, OR, USA, 12 - 16 May 2003, pp.684
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4.
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Construction and Testing of a 21 GHz Ceramic Based Power Extractor
/ Newsham, D (DULY Res. Inc., Rancho Palos Verdes) ; Braun, H (CERN) ; Carron, G (CERN) ; Döbert, Steffen (CERN) ; Gai, W (Argonne) ; Konecny, R (Argonne) ; Liu, W (Argonne) ; Smirnov, A Yu (DULY Res. Inc., Rancho Palos Verdes) ; Thorndahl, L (CERN) ; Wilson, Ian H (CERN) et al.
A ceramic based power extractor [1] operating at 21 GHz was built by DULY Research Inc. and tested at CTF2, the CERN Linear Collider (CLIC) Test Facility. [...]
CERN-AB-2003-047-RF; CLIC-Note-568.-
Geneva : CERN, 2003 - 4 p.
Access to fulltext document: PDF; External link: Published version from JACoW
In : 20th IEEE Particle Accelerator Conference, Portland, OR, USA, 12 - 16 May 2003, pp.1156
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5.
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A Demonstration of High-Gradient Acceleration
/ Achard, Claude (CERN) ; Braun, Hans Heinrich (CERN) ; Döbert, Steffen (CERN) ; Syratchev, I V (CERN) ; Taborelli, M (CERN) ; Wilson, Ian H (CERN) ; Wuensch, Walter (CERN)
One priority of the CLIC (Compact Linear Collider) accelerating-structure development program has been to investigate ways to achieve accelerating gradients above 150 MV/m. Two main concepts to achieve such high gradients have emerged: reduced surface field geometries and the use of alternative materials. [...]
CERN-AB-2003-048-RF; CLIC-Note-569.-
Geneva : CERN, 2003 - 4 p.
Access to fulltext document: PDF; External link: Published version from JACoW
In : 20th IEEE Particle Accelerator Conference, Portland, OR, USA, 12 - 16 May 2003, pp.495
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6.
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Nonlinear Optimization of a Low Emittance CLIC Damping Ring Lattice
/ Korostelev, Maxim S (CERN) ; Zimmermann, Frank (CERN)
The CLIC damping ring design is optimized to produce a beam with ultra low emittances. The lattice for such a machine requires a small value of the optical functions, a large number of compact arc cells and, for the chromatic correction, strong sextupoles, that introduce significant nonlinearities, decreasing the dynamic aperture. [...]
CERN-AB-2003-020-ABP; CLIC-Note-564.-
Geneva : CERN, 2003 - 4 p.
Access to fulltext document: PDF; External link: Published version from JACoW
In : 20th IEEE Particle Accelerator Conference, Portland, OR, USA, 12 - 16 May 2003, pp.2315
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7.
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Progress in the Design of a Damped and Tapered Accelerating Structure for CLIC
/ Raguin, J Y (CERN) ; Wilson, Ian H (CERN) ; Wuensch, Walter (CERN)
Two of the main requirements for CLIC 30 GHz accelerating structures are an average accelerating gradient of 150 MV/m and features which suppress long-range transverse and longitudinal wakefields. The main effects that constrain the design of a copper structure are a surface electric field limit of about 300 MV/m, from evidence produced by the CLIC high-gradient testing program, and a pulsed surface heating temperature rise limit estimated to be of the order of 100 K. [...]
CERN-AB-2003-045-RF; CLIC-Note-567.-
Geneva : CERN, 2003 - 4 p.
Access to fulltext document: PDF; External link: Published version from JACoW
In : 20th IEEE Particle Accelerator Conference, Portland, OR, USA, 12 - 16 May 2003, pp.2724
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8.
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Colliding Nanobeams in CLIC with Magnets Stabilized to the Sub-nm Level
/ Redaelli, Stefano (CERN) ; Guignard, G (CERN) ; Assmann, R W (CERN) ; Schulte, D (CERN) ; Coosemans, W (CERN) ; Wilson, I (CERN) ; Zimmermann, F (CERN)
The Compact Linear Collider (CLIC) aims at colliding e^+e^- beams at 1:5 TeV with effective transverse spot sizes of 60nm (horizontal) times 0:7nm (vertical). Strict stability tolerances must be respected in order to achieve a sufficient overlap of the two colliding beams [...]
CERN-AB-2003-011-ABP; CLIC-Note-562.-
Geneva : CERN, 2003 - 4 p.
Access to fulltext document: PDF; External link: Published version from JACoW
In : 20th IEEE Particle Accelerator Conference, Portland, OR, USA, 12 - 16 May 2003, pp.665
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9.
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Optimum Choice of RF Frequency for Two Beam Linear Colliders
/ Braun, Hans Heinrich (CERN) ; Schulte, Daniel (CERN)
Recent experimental results on normal conducting RF structures indicate that the scaling of the gradient limit with frequency is less favourable than what was believed. We therefore reconsider the optimum choice of RF frequency and iris aperture for a normal conducting, two-beam linear collider with E_CMS=3 TeV, a loaded accelerating gradient of 150 MV/m and a luminosity of 8 10^34 cm-^2 s^-1. [...]
CERN-AB-2003-012-ABP; CLIC-Note-563.-
Geneva : CERN, 2003 - 4 p.
Access to fulltext document: PDF; External link: Published version from JACoW
In : 20th IEEE Particle Accelerator Conference, Portland, OR, USA, 12 - 16 May 2003, pp.2721
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11.
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Comparison of the TESLA, NLC and CLIC Beam-Collimation System Performance
/ Walker, N (DESY) ; Kozanecki, Witold (Saclay) ; Napoly, O (Saclay) ; Schulte, Daniel (CERN) ; Zimmermann, Frank (CERN) ; Drozhdin, A I (Fermilab) ; Mokhov, N V (Fermilab) ; Keller, L (SLAC) ; Markiewicz, T W (SLAC) ; Maruyama, T (SLAC) et al.
This report describes studies performed in the framework of the Collimation Task Force organized to support the work of the second International Linear Collider Technical Review Committee. The post-linac beam-collimation systems in the TESLA, JLC/NLC and CLIC linear-collider designs are compared using the same computer code under the same assumptions. [...]
CERN-AB-2003-038-ABP; CLIC-Note-586.-
Geneva : CERN, 2004 - 4 p.
- Published in : AIP Conf. Proc.: 693 (2004) , pp. 200-204
Access to fulltext document: PDF; External link: Published version from AIP
In : 20th IEEE Particle Accelerator Conference, Portland, OR, USA, 12 - 16 May 2003, pp.2739
29th ICFA Advanced Beam Dynamics Workshop on Beam-Halo Dynamics, Diagnostics and Collimation in conjunction with The Beam-Beam Workshop, Montauk, NY, USA, 19 - 23 May 2003, pp.200-204
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13.
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Damping Ring to Interaction Point Beam Transport Issues
/ Walker, N (DESY) ; Schulte, Daniel (CERN) ; Wolski, A (LBL, Berkeley) ; Tenenbaum, P G (SLAC) ; Seryi, Andrei (SLAC) ; Woodley, M (SLAC)
One of the major challenges facing the proposed high-energy linear e^+e^ colliders is the preservation of the extremely small vertical emittance from the damping rings to the interaction point (IP). This emittance must be transported through bunch compression sections, the main linac and finally through the beam delivery system to the IP. [...]
CERN-AB-2003-028-ABP; CLIC-Note-584.-
Geneva : CERN, 2003 - 6 p.
Access to fulltext document: PDF; External link: Published version from JACoW
In : 20th IEEE Particle Accelerator Conference, Portland, OR, USA, 12 - 16 May 2003, pp.657
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14.
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Effects of Dynamic Misalignements and Feedback Performance on Luminosity Stability in Linear Colliders
/ Seryi, Andrei (SLAC) ; Hendrickson, L ; Raubenheimer, T O ; Tenenbaum, P G ; Woodley, M ; Schulte, Daniel (CERN)
The performance of high energy linear colliders depends critically on the stability with which they can maintain the collisions of nanometer-size beams. Ground motion and vibration, among other effects, will produce dynamic misalignments which can offset the beams at the collision point. [...]
CERN-AB-2003-027-ABP; CLIC-Note-583.-
Geneva : CERN, 2003 - 4 p.
Access to fulltext document: PDF; External link: Published version from JACoW
In : 20th IEEE Particle Accelerator Conference, Portland, OR, USA, 12 - 16 May 2003, pp.662
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