ECLOUD04 workshop (Napa, California, April 19-23, 2004)

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As in previous workshops dealing with electron-cloud effects (KEK, July 1997; Santa Fe, February 2000; KEK, September 2001; CERN, April 2002), the focus of this workshop was broad, covering all aspects of the phenomena. The work presented at ECLOUD04 represented a significant advance relative to ECLOUD02 (CERN, April 2002). The systematic experimental program being carried out at the SPS for many years now, in preparation for LHC operation, keeps yielding valuable information particularly concerning surface conditioning by the beam. Clear evidence for an electron-cloud effect at RHIC was presented, although direct detection of electrons in the cold regions remains to ... continued below

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Furman, Miguel A. August 9, 2004.

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As in previous workshops dealing with electron-cloud effects (KEK, July 1997; Santa Fe, February 2000; KEK, September 2001; CERN, April 2002), the focus of this workshop was broad, covering all aspects of the phenomena. The work presented at ECLOUD04 represented a significant advance relative to ECLOUD02 (CERN, April 2002). The systematic experimental program being carried out at the SPS for many years now, in preparation for LHC operation, keeps yielding valuable information particularly concerning surface conditioning by the beam. Clear evidence for an electron-cloud effect at RHIC was presented, although direct detection of electrons in the cold regions remains to be achieved. With the clear establishment of electron-cloud effects at the PSR, other high-intensity hadron machines are studying the effect either experimentally or by simulations, or both. In particular, ORNL personnel are paying special attention to the phenomenon as the fabrication of the SNS storage ring vacuum chamber is being completed. Electron effects are being investigated at ISIS (RAL), and at the HCX experiment for heavy-ion fusion drivers (LBNL). On the simulation front, there has been significant progress towards extending simulation techniques to three dimensions, towards more realistic description of machine lattice elements, and towards self-consistency (in which both the beam and the electrons respond dynamically to each other). The electron-cloud community is thus enriched by the expertise brought in by researchers in intense hadron machines, which includes advanced computational techniques on parallel computers. The two B factories were reported to be running quite well, exceeding their design specifications on beam current and luminosity, after controlling the electron-cloud effect largely by means of weak solenoidal fields. Ambitious plans for future luminosity upgrades were presented for both machines. Multi-lab collaborations were discussed and encouraged; one notable example of such a possibility would be a collaboration between the LARP project in the US and ESGARD in Europe.

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  • Report No.: LBNL--56110
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.2172/860899 | External Link
  • Office of Scientific & Technical Information Report Number: 860899
  • Archival Resource Key: ark:/67531/metadc778801

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • August 9, 2004

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • Sept. 21, 2017, 7:10 p.m.

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Furman, Miguel A. ECLOUD04 workshop (Napa, California, April 19-23, 2004), report, August 9, 2004; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc778801/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.