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NSLS Beamlines: X1A , X3A , X3B , X4A , X4C , X6A , X8C , X9A , X9B , X12B , X12C , X25 , X26C , X29A

Beamline Name X3A
Beamline Website http://casemed.case.edu/proteomics/CSB/INDEX.shtml
Owner/Operator Sloan-Kettering Institute, Rockefeller University, Case Western Reserve University
Operational (general use) Yes
%Time available (general use) 25
Beamline Schedule http://casemed.case.edu/proteomics/CSB/INDEX.shtml
Experiments MAD
Source Bending Magnet
Ring Current(mA) 300
Average Beam Lifetime 20-40 hours, fill every 12 hours
Spot Size 0.6H X 0.1V mm
Optics Double crystal monochromator. Si(111) or Si(220) options. Sagitall focusing. Cylindrically bent ULE mirror with Pt and Rh coating.
Flux 3.8 x 10E(10) X-Ray photons per second through a 0.2mm square aperture, 300mA current, energy =12658eV
Flux Details Flux measured in 2006
Wavelength Min (Å) 0.84
Wavelength Max (Å) 1.85
Monochromator Double flat crystal monochromator
Crystal type Si 111 or Si(220)
Mirrors Cylindrically bent ULE mirror with Pt and Rh coating.
Mirror Cutoff ?
Special Capabilities ?
Other Instrumentation X-ray Eye
Goniometer MAR rotation goniostat
Pin Length Phi axis has Z-translation. Hence, pin length is not a restriction. Suggested value is 18mm for operational convenience.
Restrictions 0-40mm
xtal-detector Distance 35-380mm on marbase. Can be moved up to 540mm with home made translation system.
Detector MarCCD-165
Detector Details on MAR base
2theta range 2-theta. Equipped with motorized Z-lift.
Cryo Capability MSC cryo-stream.
Lab Facilities basic users lab, Microscope and coldroom available
Biohazard not supported
Software MarCCD software, ADX,HKL2000 and many crystallographic softwares (HKL2MAP, SHELX suite, SOLVE/RESOLVE, CCP4, COOT, PyMol, Xfit).
Hardware SGI Octane R12000, LINUX Dual P750 and WinPC
Backup Devices Robotic DVD burner. External Hard Drive. CD writer. 4mm DAT tape
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