Stuff to Know

Useful X-Ray Related Numbers

• Si a0 = 5.4308 Angstrom
• CeO2 a0=5.411 Angstrom
• Cd-109 gamma = 88.036 keV
• X-ray energy/wavelength conversion constant = 12.39854 Angstrom/keV

Useful 1-ID Operations Information

• Always set the undulator by closing from large to small gap.
• Always scan the Kohzu monochromator from high to low energy.
• A Cd-109 source that can be used to calibrate detectors can be obtained by contacting Ali or Dean. It has Ag flourescent lines and a 88.036 keV gamma line.
• Tim Mooney's telephone number is 2-5417.