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Latest Results on Cavity Gradient and Input RF Stability at FLASH/TTF Facility

Description: The FLASH L-band (1.3 GHz) superconducting accelerator facility at DESY has a Low Level RF (LLRF) system that is similar to that envisioned for ILC. This system has extensive monitoring capability and was used to gather performance data relevant to ILC. Recently, waveform data were recorded with both beam on and off for three, 8-cavity cryomodules to evaluate the input RF and cavity gradient stability and study the rf overhead required to achieve constant gradient during the 800 {micro}s pulses… more
Date: August 25, 2010
Creator: Pei, Shilun; Adolphsen, Chris E.; Carwardine, John & Walker, Nicholas John
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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A model of ATL ground motion for storage rings

Description: Low emittance electron storage rings, such as those used in third generation light sources or linear collider damping rings, rely for their performance on highly stable alignment of the lattice components. Even if all vibration and environmental noise sources could be suppressed, diffusive ground motion will lead to orbit drift and emittance growth. Understanding such motion is important for predicting the performance of a planned accelerator and designing a correction system. A description (kn… more
Date: May 12, 2003
Creator: Wolski, Andrzej & Walker, Nicholas J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Beam Dynamics Challenges for the ILC

Description: The International Linear Collider (ILC) is a proposal for 500 GeV center-of-mass electron-positron collider, with a possible upgrade to {approx}1 TeV center-of-mass. At the heart of the ILC are the two {approx}12 km 1.3 GHz superconducting RF (SCRF) linacs which will accelerate the electron and positron beams to an initial maximum energy of 250 GeV each. The Global Design Effort (GDE)--responsible for the world-wide coordination of this uniquely international project--published the ILC Referenc… more
Date: February 13, 2008
Creator: Kubo, Kiyoshi; /KEK, Tsukuba; Seryi, Andrei; /SLAC; Walker, Nicholas; /DESY et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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International Linear Collider-A Technical Progress Report

Description: The International Linear Collider: A Technical Progress Report marks the halfway point towards the Global Design Effort fulfilling its mandate to follow up the ILC Reference Design Report with a more optimised Technical Design Report (TDR) by the end of 2012. The TDR will be based on much of the work reported here and will contain all the elements needed to propose the ILC to collaborating governments, including a technical design and implementation plan that are realistic and have been better … more
Date: November 4, 2011
Creator: Elsen, Eckhard; Harrison, Mike; Hesla, Leah; Ross, Marc; Royole-Degieux, Perrine; Takahashi, Rika et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Benchmarking / Crosschecking DFS in the ILC Main Linac

Description: In an effort to compare beam dynamics and create a ''benchmark'' for Dispersion Free Steering (DFS) a comparison was made between different ILC simulation programs while performing DFS. This study consisted of three parts. First, a simple betatron oscillation was tracked through each code. Secondly, a set of component misalignments and corrector settings generated from one program was read into the others to confirm similar emittance dilution. Thirdly, given the same set of component misalignme… more
Date: January 8, 2007
Creator: Smith, Jeffrey C.; /Cornell U., LEPP; Eliasson, Peder; Latina, Andrea; Schulte, Daniel; /CERN et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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