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FY2009

Introduction

This INCITE project started in 2008 with 4.5 million hours. In 2009 we were awarded 8,000,000 Processor Hours on Cray XTs at Oak Ridge National Laboratory to carry out the simulations for possible future linear colliders such as International Linear Collider and Compact Linear Collider.

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1. The following is a snapshot of the electric fields in a coupled PETS and accelerating structures in two-beam module for Compact Linear Collider (CLIC). A more detailed studies are in the process.
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3. PETS.mov movie for the wakefield study of the Power Extraction and Transfer Structure (PETS) in CLIC.
4. A choke.mov movie for optimizing a Choke cavity (high-gradient concept).
5. here is the link to a movie of the coupled PETS and a accelerating structure in MovieCoupledOutro.mov.

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FY2010

Reports

Please find powerpoint version of the reports in the following:

• Q1 report

Highlights

PEPX Undulator Taper

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We developed a novel moving window technique for finite element methods using unstructured meshes to calculate the wakefield due to ultra-short beam bunches. A research paper has been submitted to a computing journal. Here we listed applications of this technique in designing accelerator structures.

PEP-X Undulator Taper

PEP-X is a proposed future X-ray light source. In designing PEP-X short range wakefield due to 0.5mm bunches need to be evaluated in an 300 meter long Undulator Taper structure.

PEP-X Wiggler Taper

ERL Vacuum Chamber

480p movie
720p movie
1080p movie

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The following is a snapshot of the electromagnetic fields in a ERL vacuum chamber, obtaining from calculating short-range wakefields due to a 0.6mm bunch using hp-refinement.

Related Publications

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If you need more information, please contact Lie-Quan Lee by email at liequan@slac.stanford.edu or by phone at 650-926-5356.