LARP LARP Document 901-v2

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Machine Studies in the LHCinjectors

Document #:
LARP-doc-901-v2
Document type:
Talk
Submitted by:
Chandrashekhara Bhat
Updated by:
Chandrashekhara Bhat
Document Created:
15 Dec 2008, 10:41
Contents Revised:
15 Dec 2008, 10:44
Metadata Revised:
15 Dec 2008, 10:44
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LARP-doc-901-v1
15 Dec 2008, 10:41
Abstract:
Increasing the LHCpp-collider luminosity by replacing the bunches with Gaussian line-charge distributions with flat distributions, but with same beam-beam tune shift, has been discussed in literature. The luminosity increased can be up to 40% by adopting this technique. Here, we present the preliminary results from recent beam dynamics simulations and from beam studies in LHCupstream machines to create flat bunches using double harmonic rfsystems. We used the 200MHzand 800MHzrfsystems in the SPSand, 10MHzand 20MHzrfsystems in the PS during our beam studies. The studies were carried out to address flat bunch creation technique and its stability issues. We alsohave presented simulations and discussions on possible way of creation and acceleration of flat bunches in the LHCfor luminosity upgrade.
Files in Document:
  • pdf (CARE-HHH-Talk-081210-final.pdf, 1.7 MB)
Associated with Events:
held on 10 Dec 2008 in Penthouse, West Booster Tower
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