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Beamline X29A

General Information

Source Type
Insertion Device

Status
Operational

General User Beamtime
25%

Energy Range Category
Hard X-Ray (1-50 keV)

Energy Range
6-15keV

Beamline Type
Participating Research Team (PRT)

Technique(s)
Multi wavelength anomalous diffraction
Macromolecular crystallography

Institution(s)
Brookhaven National Laboratory, Biology Dept.
Case Western Reserve University

Research Types
General Macromolecular Crystallography, using single-crystal diffraction with an area-sensitive diffractometer and tunable monochromator. High-Throughput operation and Structural Genomics.

Contact Information

Spokesperson The person from each beamline who acts as a contact point between the beamline management and NSLS administration. Contact for questions about the beamline scientific program, experimental capabilities, and beamline management.
Robert Sweet, Brookhaven National Laboratory, rsweet@bnl.gov, 344-3401
Mark Chance, Case Western Reserve University, mark.chance@case.edu, 216-368-4406

Local Contact The beamline staff member who is typically responsible for overseeing the daily operation and maintenance of the beamline. Contact for questions about beamline instrumentation, experimental details, and training.
Howard Robinson, Brookhaven National Laboratory, hhr@bnl.gov, 344-4789
Wuxian Shi, Case Western Reserve University, wushi@bnl.gov, 6313442099

Beamtime Scheduler The beamline staff member responsible for coordination of beamline schedule every trimester. Contact for questions about beamtime scheduling.
Anand Saxena, Brookhaven National Laboratory, asaxena@bnl.gov, 344-4844

Beamline Phone
631-344-5629

Instrumentation

Beamline Characteristics

Energy Range Mono Crystal or Grating Resolution (ΔE/E) Flux Spot Size (mm) Total Angular Acceptance (mrad)
6 – 15 keV Si(111) 3.3 x 10-4 (@ 12 keV) 5 x 1011 ph/sec (through a 0.2 mm aperture at 1.1) 0.15H x 0.15V FWHM 1.9

Source Type
27 period MiniGap Undulator

Optical System
Cryogenically cooled double crystal monochrometer with horizontal focusing sagittal bend second mono crystal with 4:1 magnification ratio and vertically focusing mirror.

Experimental Apparatus
ADSC Quantum 315 detector mounted on Crystal Logic goniometer with air bearing direct drive of omega axis and "mini-kappa" for crystal mounting. Motorized aperture size and beam stop positioning. Sample auto-mounting robot installation.

Computer System Hardware & Software
Detector controlled by PXrr cbass program for macromolecular crystallography, and x-ray optics controlled by NSLS Data Acquisition Software with CAMAC interface.

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