Pulser for the Tevatron electron lens gun

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To compensate for beam-beam interaction in Tevatron, an ''electron lens'' is considered to be an effective instrument. When a bunch of electrons with energy in the range (10-16) kV is overlapping with a bunch of antiprotons, the resulting focusing force for antiprotons can be adjusted by changing the electron beam current and by profiling its radial distribution. There exist several scenarios of how the system must function. According to one of them, an electron gun that supplies electrons must be fed by voltage pulses that follow with the frequency of antiproton bunches circulating in the Tevatron, which is about 2.5 ... continued below

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448 Kilobytes pages

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al., Iouri Terechkine et May 18, 2004.

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Description

To compensate for beam-beam interaction in Tevatron, an ''electron lens'' is considered to be an effective instrument. When a bunch of electrons with energy in the range (10-16) kV is overlapping with a bunch of antiprotons, the resulting focusing force for antiprotons can be adjusted by changing the electron beam current and by profiling its radial distribution. There exist several scenarios of how the system must function. According to one of them, an electron gun that supplies electrons must be fed by voltage pulses that follow with the frequency of antiproton bunches circulating in the Tevatron, which is about 2.5 MHz. To provide focusing tailored for each individual antiproton bunch, a modulator of the gun (pulser) must allow pulse-to-pulse voltage change. This report will cover main approaches to a design of a pulser for use with the gun of the Tevatron Electron Lens.

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448 Kilobytes pages

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  • 2004 Power Modulator Conference, San Francisco, CA (US), 05/23/2004

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  • Report No.: FERMILAB-Conf-04/062-TD
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 823956
  • Archival Resource Key: ark:/67531/metadc779951

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Office of Scientific & Technical Information Technical Reports

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  • May 18, 2004

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • Aug. 4, 2016, 7:52 p.m.

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al., Iouri Terechkine et. Pulser for the Tevatron electron lens gun, article, May 18, 2004; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc779951/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.