Bulletin of the American Physical Society
2005 APS April Meeting
Saturday–Tuesday, April 16–19, 2005; Tampa, FL
Session H4: LHC Upgrades |
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Sponsoring Units: DPB DPF Chair: Michael Syphers, Fermilab Room: Marriott Tampa Waterside Grand Salon C/D |
Sunday, April 17, 2005 8:30AM - 9:06AM |
H4.00001: Physics Opportunities at an upgraded LHC Invited Speaker: I will discuss the physics potential of an upgraded LHC running at an instantaneous luminosity of $10^{35}$~cm$^{-2}$s$^{-1}$.\par Based on the expected detector performances at high luminosity, the increased physics potential will be presented for a few specific physics cases, ranging from precise measurements within the Standard Model (in particular in the Higgs sector) to the discovery reach for several New Physics processes. [Preview Abstract] |
Sunday, April 17, 2005 9:06AM - 9:42AM |
H4.00002: LHC upgrade Options and Limitations Invited Speaker: The talk presents the main parameters for the Large Hadron Collider (LHC) and summarizes its key performance limitations. The talk compares the remaining margins for the nominal operation to the expected variation of key parameters and discusses options for a staged upgrade path for the LHC that would allow an operation beyond its original design performance. [Preview Abstract] |
Sunday, April 17, 2005 9:42AM - 10:18AM |
H4.00003: Upgrading Luminosity from the Tevatron Through the LHC Invited Speaker: Very soon the LHC will push the high energy frontier from 1~TeV to 7~TeV, well beyond present operating experience with the Tevatron. The LHC (with 2 rings) is also expected to raise proton luminosities by about two orders of magnitude, to about 10$^{34}~$cm$^{-2}$sec$^{-1}$ in its initial configuration. This extrapolation leads to a new regime of Accelerator Physics and Technology challenges. The stored energy in the nominal LHC beam is almost 3 orders of magnitude larger than in the Tevatron. Efficient acceleration up the energy ramp is more difficult and more important. Long range beam-beam collisions become more severe. Luminosity debris power becomes a significant constraint. The U.S. LHC Accelerator Research Program (LARP) is a collaboration of BNL, FNAL, LBNL, and SLAC, working with CERN to address these frontier issues. LARP is also working with CERN on an LHC Interaction Region upgrade, through which the luminosity may be increased even further, to about 10$^{35}$cm$^{-2}$sec$^{-1}$. This paper discusses the technical issues in extrapolating the energy and luminosity from the Tevatron to the LHC, and describes the programs in place to address them. [Preview Abstract] |
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