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LPA Scheme for the LHC Luminosity Upgrade

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Chandrashekhara Bhat
Updated by:
Chandrashekhara Bhat
Document Created:
05 Oct 2009, 17:22
Contents Revised:
05 Oct 2009, 17:22
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05 Oct 2009, 17:22
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Large Piwinski Angle scheme for the LHC is one of the potential upgrade paths to achieve luminosity L= 10^35/cm^2/sec. This requires reshaping the line charge distribution from nominal Gaussian shape to flat distribution or increasing the crossing angle or both. Here, I will talk about possible ways for creating flat bunches and their stability, illustrated with simulations and recent beam experiments in the LHC injector accelerators. I also discuss a few potential techniques for producing flat bunch and their limitations. As applied to the LHC, we present simulation results for flat bunch creation and acceleration with double harmonic rf system. Address issues related to the intensity requirements and beam stability.
Files in Document:
  • pdf (Flat-bunches-for-LHC-090928-ppt97-2003-final.pdf, 3.5 MB)
  • ppt (Flat-bunches-for-LHC-090928-ppt97-2003-final.ppt, 8.8 MB)
Publication Information:
Fermilab Acceleration Division Seminar, 4:00 pm September 29, 2009
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