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LATTICE STUDIES FOR A POTENTIAL SOFT X-RAY DIFFRACTION LIMITED UPGRADE OF THE ALS
The Advanced Light Source (ALS) at Berkeley Lab has seen many upgrades over the years, keeping it one of the brightest sources for soft x-rays worldwide. Recent developments in magnet and vacuumExpand
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Surface and bulk contribution to Cu(111) quantum efficiency
The quantum efficiency (QE) of Cu(111) is measured for different impinging light angles with photon energies just above the work function. We observe that the vectorial photoelectric effect, anExpand
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A preliminary design of a knot undulator.
The magnetic field configuration of the previously proposed knot undulator [Qiao et al. (2009). Rev. Sci. Instrum. 80, 085108] is realised in the design of a hybridized elliptically polarizedExpand
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Limits to Electron Beam Emittance from Stochastic Coulomb Interactions
Dense electron beams can now be generated on an ultrafast timescale using laser driven photo-cathodes and these are used for a range of applications from ultrafast electron defraction to freeExpand
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LUX: a design study for a linac-/laser-based ultrafast x-ray source
We describe the design concepts for a potential future source of femtosecond x-ray pulses based on synchrotron radiation production in a recirculating electron linac. Using harmonic cascadeExpand
LATTICE STUDIES FOR CIRCE (Coherent InfraRed CEnter) AT THE ALS
CIRCE (Coherent InfraRed CEnter) at the Advanced Light Source, Lawrence Berkeley National Lab (LBNL), is a proposal for a new electron storage ring optimized for the generation of coherentExpand
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An Analytical Approach to Eddy Current in Electromagnetic Damping
An analytical method of calculating eddy current in a metallic spinning gyroscope in external magnetic field is presented. With reasonable assumptions, the problem is simplified from theExpand
F Fermi National Accelerator Laboratory FERMILAB-Conf-98 / 042 Scraping Beam Halo in + � Colliders
Beam halo scraping schemes have been explored in the 50×50 GeV and 2×2 TeVμ+μ−colliders using both absorbers and electrostatic deflectors. Utility sections have been specially designed into the ringsExpand