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Can we collect data yet?
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time
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Can we collect data yet? No. time
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Can we collect data yet? No. Yes. time
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Can we collect data yet? No. Yes, but no. Yes. time
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First light! June 8, 2001 ALS BL 8.3.1
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First light! June 8, 2001 ALS BL 8.3.1
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First light! June 8, 2001 ALS BL 8.3.1
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Problems?
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Decoupling detector from sample
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Beam stability
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Does the beamline “know” we’re trying to collect?
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Time of day Flux out of mono (nA)
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Exercise wavelength (3 motors) Time of day Flux out of mono (nA)
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Exercise wavelength (3 motors) Beam off Pinhole Time of day Flux out of mono (nA)
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Exercise Theta (1 motor) Time of day Flux out of mono (nA)
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Exercise Z2 (1 motor) Time of day Flux out of mono (nA)
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Shutter stability
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Time (s) Flux (nA)
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Shutter stability before after
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Detector comparison procedure RunIringExposeFramesXtal AXtal B 138.91.01808.3.18.2.2 227.81.41808.2.28.3.1 321.01.91808.3.18.2.2 415.02.61418.2.28.3.1 539.01.01808.3.18.2.2 627.81.41808.2.28.3.1 720.81.91808.3.18.2.2 816.02.51418.2.28.3.1
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Detector comparison procedure beamline8.3.18.2.2diff detectorQ210Q315125% SN442905- Distance(mm)150 - Wavelength (A)1.116 - Divergence (h)1.5 - Divergence (v)0.350.3-0.35~16.7% Flux (ph/s)1.1 x10 10 ~0
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Detector comparison results beamline8.3.18.2.2diff 1.0001.0070.7% frames1362 - multiplicity~100 - R merge (%)6.2(10.7)6.4(10.3)-3.1% I/sig(I)90.6(66.3)85.2(63.9)6.3% Ranom (%)4.1(4.7)4.1(4.5)0.0%
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Detector comparison results beamline8.3.18.2.2diff MADPPH7.947.308.8% MPADPPH48.1547.611.1% FOM(SAD)0.4540.4491.1% FOM(DM)0.7620.775-1.7% Rcryst (wARP)0.140 0.0% Rfree (wARP)0.2840.2850.4% CC (model)0.5070.523-3.1% CC (8.3.1 map)-0.922-
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