SPEAR III: A brighter source at SSRL

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By replacing the magnets and vacuum chamber for the 3 GeV SPEAR II storage ring, the natural emittance of the machine can be reduced from 130 to 18 nm-rad and the stored current can be raised from 100 to 200 mA with a 50 h lifetime. This configuration increases focused photon flux for insertion device beamlines by an order of magnitude and the photon brightness for future undulators would exceed 10{sup 18} at 5 keV. Due to a higher critical energy, the photon flux in the 20 keV range for bending magnet beamlines increases by more than two orders of ... continued below

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5 p.

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Hettel, R.; Boyce, R. & Brennan, S. June 2, 1997.

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By replacing the magnets and vacuum chamber for the 3 GeV SPEAR II storage ring, the natural emittance of the machine can be reduced from 130 to 18 nm-rad and the stored current can be raised from 100 to 200 mA with a 50 h lifetime. This configuration increases focused photon flux for insertion device beamlines by an order of magnitude and the photon brightness for future undulators would exceed 10{sup 18} at 5 keV. Due to a higher critical energy, the photon flux in the 20 keV range for bending magnet beamlines increases by more than two orders of magnitude. We present preliminary SPEAR III design study results and plans to implement the facility upgrade with minimal downtime for SSRL users.

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5 p.

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INIS; OSTI as DE97007337

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  • 17. IEEE particle accelerator conference, Vancouver (Canada), 12-16 May 1997

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  • Other: DE97007337
  • Report No.: SLAC-PUB--7526
  • Report No.: CONF-970503--274
  • Grant Number: AC03-76SF00515
  • Office of Scientific & Technical Information Report Number: 522277
  • Archival Resource Key: ark:/67531/metadc693183

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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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  • June 2, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 2, 2016, 6:02 p.m.

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Hettel, R.; Boyce, R. & Brennan, S. SPEAR III: A brighter source at SSRL, article, June 2, 1997; Menlo Park, California. (digital.library.unt.edu/ark:/67531/metadc693183/: accessed October 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.