PPT-Breakdown positioning in CLIC prototype RF accelerating structures

CLIC workshop 2016 R Rajamäki W Farabolini J Giner Navarro T Argyropoulos B Woolley W Wuensch 19012016 Aalto university CERN Introduction What Localize BDs in RF accelerating structures. From CLIC_G to CLIC_K. . 2. .07.2009. Alexej . Grudiev. CERN. . Outline. Current CLIC accelerating structure: CLIC_G. Compact coupler design with damping . Comparison of rounded and not rounded cell geometry. Camp III. Camp II. Camp I. Outline. In the last lecture we introduced the SPMP. In this lecture we focus on Section 5 of the SPMP. Developing a Work breakdown structure (WBS). Dependencies between tasks. Anders Korsback, Jorge Giner . Navaro. , Robin Rajamaki and Walter Wuensch. Motivation. Statistics. Physics – The statistical properties of breakdown may give us insight into the evolution of the surface under pulses, the underlying trigger mechanism and what happens to the surface after breakdown.. vacuum breakdown . and application to high-gradient . accelerating structures for CLIC. Nick Shipman. , Sergio Calatroni, Roger Jones, Anders . Korsbeck. , Tomoko . Murunaka. , . Iaroslava. . Profatilova. What are our aims with positioning?. What are our aims with positioning?. See the ball/contest (entry). Not be in the way of play . Be able to transition easily to our next position (exit). TIME AND SPACE!. Objectives/Scope. Participation. Addressing comments on previous proposal. Objectives/Scope. Design and costing . of the rf system for the various (Compton/soft/hard) main linacs, including accelerating structures, power source and waveguide network.. Possible improvement of the CLIC accelerating structure. From CLIC_G to CLIC_K. 2 .07.2009 Alexej Grudiev CERN Outline Current CLIC accelerating structure: CLIC_G Compact coupler design with damping G. Riddone, 02/02/2010. 1. Content. Introduction to RF . structures and . components. Fabrication baseline procedure for accelerating structures . Application to CERN ac. structure fabrication. Fabrication of PETS . 3 . TeV. Many new agreements for X-band development and machines recently . One new coll. inst. (Canadian Light Source, Saskatoon) . WEB pages . Nikos . Kokkinis. has taken over as . responsible from . W. Wuensch. 11-12-2009. Accelerating structure assembly. Pulsed ΔT in accelerating structure. Beam-loading compensation. Reacting to breakdown. On/off/ramp mechanism. Dynamic vacuum. Refining design and 10% parameter consistency. Significant progress has been made over the past decade by studies of normal-conducting linear colliders, NLC/JLC and CLIC, to raise achievable accelerating gradient from the range of 20-30 MV/m up to 100-120 MV/m. . tested . at . Nextef. CLIC2014. 4 February 2014. Toshiyasu Higo. . (KEK). Contents. Overview of Nextef high gradient tests. Most recent result of TD24R05#4. Comparison of recent structure result . F. Yelong . Wei, . Alexej Grudiev. CERN, European Organization for Nuclear Research. Email. : yelong.wei@cern.ch. 1. Outline. Background & Introduction. Dielectric-Lined . Accelerating (DLA) . Structures. Structures and . RF Components. On behalf of the X-Band Production team . Joel Sauza Bedolla. j. oel.sauza@cern.ch. EN/MME/MA. Index. Introduction. Accelerating Structures. Baseline (discs) TD26R1CC.