Pulsed beam chopper for the PSR at LAMPF

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Description

A traveling-wave beam chopper has been designed to provide properly structured negative-ion beam to the Proton Storage Ring (PSR) and other LAMPF users. The chopper must provide a 20-mrad kick with pulse rise time <5 ns for the 750-keV H/sup -/ ions in the injector transpoft line. Variable pulse lengths from 15 ns to 750 ..mu..s at repetition rates up to 16.7 MHz must be generated in synchronization with the PSR circulation frequency. Parameter studies led to an optimized design combining good deflection efficiency and bandwidth with minimum deleterious effects from plate-to-plate coupling. Both positive and negative 600-V pulses, with … continued below

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4 pages

Creation Information

Lunsford, J. S. & Hardekopf, R. A. January 1, 1983.

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Description

A traveling-wave beam chopper has been designed to provide properly structured negative-ion beam to the Proton Storage Ring (PSR) and other LAMPF users. The chopper must provide a 20-mrad kick with pulse rise time <5 ns for the 750-keV H/sup -/ ions in the injector transpoft line. Variable pulse lengths from 15 ns to 750 ..mu..s at repetition rates up to 16.7 MHz must be generated in synchronization with the PSR circulation frequency. Parameter studies led to an optimized design combining good deflection efficiency and bandwidth with minimum deleterious effects from plate-to-plate coupling. Both positive and negative 600-V pulses, with lengths up to 1 ms and maximum 10% duty factor, can be generated to drive the deflectors.

Physical Description

4 pages

Notes

NTIS, PC A02/MF A01.

Source

  • Particle accelerator conference, Santa Fe, NM, USA, 21 Mar 1983

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Identifier

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  • Other: DE83009963
  • Report No.: LA-UR-83-720
  • Report No.: CONF-830311-75
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 6306093
  • Archival Resource Key: ark:/67531/metadc1204772

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 1983

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

Description Last Updated

  • April 26, 2019, 8:57 p.m.

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Lunsford, J. S. & Hardekopf, R. A. Pulsed beam chopper for the PSR at LAMPF, article, January 1, 1983; New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc1204772/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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