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in creator/contributor: "Zaugg, T. J."  
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Active Damping of the E-P Instability at the Los Alamos Proton Storage Ring

Description: A prototype of an analog, transverse (vertical) feedback system for active damping of the two-stream (e-p) instability has been developed and successfully tested at the Los Alamos Proton Storage Ring (PSR). This system was able to improve the instability threshold by approximately 30% (as measured by the change in RF buncher voltage at instability threshold). The feedback system configuration, setup procedures, and optimization of performance are described. Results of several experimental tests… more
Date: March 17, 2008
Creator: Macek, R. J.; Assadi, S.; Byrd, J. M.; Deibele, C. E.; Henderson, S. D.; Lee, S. Y. et al.
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Partner: UNT Libraries Government Documents Department
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Comparison of Simulations with Measurements for the LEDA LEBT H

Description: The Low-Energy Demonstration Accelerator (LEDA) injector is designed to provide 75-keV, 110-mA, proton beams for the LEDA RFQ. After testing the LEDA injector using a 1.25-MeV, CW RFQ, the authors shortened the low-energy beam transport (LEBT) to 2.69 m, replaced the first LEBT solenoid with one that has a shorter length but the same focusing power, and installed and operated the LEDA injector in the beam tunnel. In this paper the authors use the TRACE, SCHAR, and PARMELA computer codes to mode… more
Date: March 29, 1999
Creator: Smith, H. V.; Figueroa, T. L.; Hansborough, L. D.; Harrington, M. P.; Johnson, K. F.; Kerstiens, D. M. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Proton Beam Verification using RF Power Measurement Data for a cw Radio Frequency Quadrupole LINAC

Description: A cw radio frequency quadrupole (RFQ) LINAC section and klystrode based rf system was obtained from the Chalk River Laboratories and was recommissioned at LANL to conduct demonstration proton beam experiments in support of a spallation neutron source driver for tritium production. A variation of the Low Energy Demonstration Accelerator (LEDA) proton injector, modified to operate at 50 keV, was mated to the RFQ and was operated to support the high current (up to 100 mA), proton beam advance stud… more
Date: March 29, 1999
Creator: Bolme, G. O.; Hardek, T. W.; Hansborough, L. D.; Hodgkins, D. J.; Keffeler, D. R.; Sherman, J. D. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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