Search Results - "WEIR, J.T"
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1
Calibrating the avian molecular clock
Published in Molecular ecology (01-05-2008)“…Molecular clocks are widely used to date phylogenetic events, yet evidence supporting the rate constancy of molecular clocks through time and across taxonomic…”
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Journal Article -
2
Continent-wide analysis of how urbanization affects bird-window collision mortality in North America
Published in Biological conservation (01-08-2017)“…Characteristics of buildings and land cover surrounding buildings influence the number of bird-window collisions, yet little is known about whether bird-window…”
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Journal Article -
3
Precision fast kickers for kiloampere electron beams
Published in Proceedings of the 1999 Particle Accelerator Conference (Cat. No.99CH36366) (1999)“…These kickers will be used to make fast dipoles and quadrupoles which are driven by sharp risetime pulsers to provide precision beam manipulation for high…”
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Conference Proceeding -
4
Parallel Measurement and Modeling of Transport in the Darht II Beamline on ETA II
Published in 2005 IEEE Pulsed Power Conference (01-06-2005)“…To successfully tune the DARHT II transport beamline requires the close coupling of a model of the beam transport and the measurement of the beam observables…”
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Conference Proceeding -
5
Scaled Accelerator Test For the DARHT-II Downstream Transport System
Published in 2005 IEEE Pulsed Power Conference (01-06-2005)“…The second axis of the dual axial radiography hydrodynamic test (DARHT-II) facility at LANL is currently in the commissioning phase. The beam parameters for…”
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Conference Proceeding -
6
Improved ETA-II accelerator performance
Published in Proceedings of the 1999 Particle Accelerator Conference (Cat. No.99CH36366) (1999)“…Improvements have been made in the performance of the ETA-II accelerator that allow a nominal 2 kA, 6 MeV beam to be focused to a spot size less that 1 mm in…”
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Conference Proceeding -
7
DARHT II Scaled Accelerator Tests on the ETA II Accelerator
Published in 2005 IEEE Pulsed Power Conference (01-06-2005)“…The DARHT II accelerator at LANL is preparing a series of preliminary tests at the reduced voltage of 7.8 Me V. The transport hardware between the end of the…”
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Conference Proceeding -
8
Eliminating the spot dilution due to kicker switching in DARHT-II
Published in Proceedings of the 2003 Particle Accelerator Conference (2003)“…To produce four short X-ray pulses for radiography, the second-axis of the Dual Axis Radiographic Hydrodynamic Test facility (DARHT-II) will use a fast kicker…”
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Conference Proceeding -
9
ETA II experiments for determining advanced radiographic capabilities of induction linacs
Published in Proceedings of the 1997 Particle Accelerator Conference (Cat. No.97CH36167) (1997)“…LLNL has proposed a multi-pulsed, multi-line of sight radiographic machine based on induction linac technology to be the core of the advanced hydrotest…”
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Conference Proceeding -
10
Optical Cerenkov measurements of emittance growth in the Advanced Test Accelerator beam under laser ion-guiding
Published in Proceedings of the 1989 IEEE Particle Accelerator Conference, . 'Accelerator Science and Technology (1989)“…A new beam profile diagnostic using optical Cernekov radiation from a quartz foil has been deployed at the Advanced Test Accelerator (ATA). Quartz performs…”
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Conference Proceeding -
11
Time-dependent degradation of an ion-focused ATA beam
Published in Proceedings of the 1989 IEEE Particle Accelerator Conference, . 'Accelerator Science and Technology (1989)“…Detailed measurements of the time-dependent beam quality of an ATA (Advanced Test Accelerator) pulse transported on a KrF laser-photoionized benzene channel…”
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Conference Proceeding