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RESULTS FROM THE INSTALLATION OF A NEW 201 MHz RF SYSTEM AT LANSCE
The LANSCE RM project is restoring the linac to it’s original high power capability after the power grid tube manufacturer could no longer provide triodes that could consistently meet our powerExpand
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Improvements to the cathode-follower RF amplifier system for the LANSCE Proton Storage Ring buncher
  • J. Lyles, J. Davis
  • Engineering
  • Proceedings of the Particle Accelerator…
  • 27 March 1999
Los Alamos Neutron Science Center (LANSCE) is upgrading the Proton Storage Ring (PSR) for the Short Pulse Spallation Source, to deliver 200 microamperes (/spl mu/A) of beam current to a new targetExpand
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LANSCE 201.25 MHz drift tube linac RF power status
The Los Alamos Neutron Science Center linac provides high power proton beams for neutron science, tritium target development, nuclear physics, material science, isotope production, and weaponsExpand
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MODULATION IMPROVEMENTS IN THE 201 MHZ RF GENERATORS AT LAMPF
Radio-frequency generators, operating at 201 MHz, power the first four stages of the Los Alamos Meson Physics Facility (LAMPF) accelerator. Each generator consists of four stages of seriesconnected,Expand
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A high-field adiabatic fast passage ultracold neutron spin flipper for the UCNA experiment.
The UCNA collaboration is making a precision measurement of the β asymmetry (A) in free neutron decay using polarized ultracold neutrons (UCN). A critical component of this experiment is an adiabaticExpand
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New High Power Test Facility for VHF Power Amplifiers at LANSCE
A new test facility was designed and constructed at Los Alamos Neutron Science Center (LANSCE) for testing the Thales TH628 Diacrode ® and TH781 tetrode power amplifiers. Anode power requirements forExpand
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Lansce RF System Refurbishment
The Los Alamos Neutron Science Center (LANSCE) is in the planning phase of a refurbishment project that will sustain reliable facility operations well into the next decade. The linear accelerator wasExpand
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Development of a high speed crowbar for LANSCE
Each of the four 200 MHz Final Power Amplifiers (FPAs) in the LANSCE proton linac has its own capacitor bank and crowbar. The dissipation in the 10 /spl Omega/ crowbar limiting resistor is as high asExpand
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A NEW 201.25 MHZ HIGH POWER RF SYSTEM FOR THE LANSCE DTL
Long pulses of high proton current (greater than one millisecond at 17 mA) at LANSCE are limited by the duty factor (DF) of the 201.25 MHz RF system powering the 100 MeV DTL. The operating point ofExpand
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LANSCE 201 MHZ and 805 MHZ RF System experience
The LANSCE RF system consists of four RF stations at 201 MHz and forty-four klystrons at 805 MHz. In the LANSCE accelerator, the beam source is injected into the RF system at 0.75 MeV. The beam isExpand
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