Synchrotron radiation issues in future hadron colliders

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Hadron machines mostly use high field superconducting magnets operating at low temperatures. Therefore the issue of extracting a SR power heat load becomes more critical and costly. Conceptual solutions to the problem exist in the form of beam screens and photon stops. Cooled beam screens are more expensive in production and operation than photon stops, but they are, unlike photon stops, routinely used in existing machines. Photon stops are the most economical solution because the heat load is extracted at room temperature. They presently consider it most prudent to work with a combined beam screen and photon stop approach, in ... continued below

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395 Kilobytes pages

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Bauer, P.; Darve, C. & Terechkine, I. November 21, 2002.

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Hadron machines mostly use high field superconducting magnets operating at low temperatures. Therefore the issue of extracting a SR power heat load becomes more critical and costly. Conceptual solutions to the problem exist in the form of beam screens and photon stops. Cooled beam screens are more expensive in production and operation than photon stops, but they are, unlike photon stops, routinely used in existing machines. Photon stops are the most economical solution because the heat load is extracted at room temperature. They presently consider it most prudent to work with a combined beam screen and photon stop approach, in which the photon stop absorbs most of the SR power, and the beam screen serves only the vacuum purpose. Provided that the recently launched photon stop R and D [10] supports it, we would like to explore solutions with photon stops only. This would allow to reduce the magnet apertures to a certain extent with respect to those required to accommodate high SR power compliant beam screens and reduce cost. The possibility of magnet designs, which have larger vertical apertures where large cooling capillaries can be housed at no additional cost, would allow to soften this statement somewhat and should therefore be pursued as well.

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395 Kilobytes pages

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  • Snowmass 2001, Snowmass, CO (US), 06/30/2001--07/21/2001

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  • Report No.: FERMILAB-Conf-01/434
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 804897
  • Archival Resource Key: ark:/67531/metadc733941

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Office of Scientific & Technical Information Technical Reports

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

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  • November 21, 2002

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  • Oct. 18, 2015, 6:40 p.m.

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  • April 1, 2016, 6:43 p.m.

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Bauer, P.; Darve, C. & Terechkine, I. Synchrotron radiation issues in future hadron colliders, article, November 21, 2002; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc733941/: accessed May 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.