Protecting LHC components against radiation resulting from an unsynchronized beam abort

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The effect of possible accidental beam loss in the LHC on the IP5 and IP6 insertion elements is studied via realistic Monte Carlo simulations. The scenario studied is beam loss due to unsynchronized abort at an accidental prefire of one of the abort kicker modules. Simulations show that this beam loss would result in severe heating of the IP5 and IP6 superconducting (SC) quadrupoles. Contrary to the previous considerations with a stationary set of collimators in IP5, collimators in IP6 close to the cause are proposed: a movable collimator upstream of the Q4 quadrupole and a stationary one upstream of ... continued below

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69 Kilobytes pages

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al., Nikolai V. Mokhov et June 26, 2001.

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The effect of possible accidental beam loss in the LHC on the IP5 and IP6 insertion elements is studied via realistic Monte Carlo simulations. The scenario studied is beam loss due to unsynchronized abort at an accidental prefire of one of the abort kicker modules. Simulations show that this beam loss would result in severe heating of the IP5 and IP6 superconducting (SC) quadrupoles. Contrary to the previous considerations with a stationary set of collimators in IP5, collimators in IP6 close to the cause are proposed: a movable collimator upstream of the Q4 quadrupole and a stationary one upstream of the extraction septumMSD. The calculated temperature rise in the optimal set of collimators is quite acceptable. All SC magnets are protected by these collimators against damage.

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69 Kilobytes pages

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  • 2001 Particle Accelerator Conference, Chicago, IL (US), 06/18/2001--06/22/2001

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  • Report No.: FERMILAB-Conf-01/133
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 781999
  • Archival Resource Key: ark:/67531/metadc718159

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  • June 26, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • April 1, 2016, 6:38 p.m.

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al., Nikolai V. Mokhov et. Protecting LHC components against radiation resulting from an unsynchronized beam abort, article, June 26, 2001; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc718159/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.