User name Saha
Log entry time 15:35:20 on October10,2000
Entry number 50016
keyword=Hall A opticsHall A optics
Retuned machine to give good beam spot size at target
Harp scan #1056
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Uncorrected Corrected Sigma Base
position position Width Width
Scanner #5 4ax: 87.0um 167.0um 114.0um
Scanner #5 4ay: -142.00um -52.00um 91.5um
Scanner #6 4bx: -158.00um -358.00um 93.0um
Scanner #6 4by: 492.00um 302.00um 118.8um
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Uncorrected Corrected
position position
Target x pos : -202.12 um -452.54 um (+ for beam left)
Target y pos : 606.16 um 365.74 um (+ for too high)
Beam h angle: 0.04 mrad 0.08 mrad (+ for clockwise)
Beam v slope: 0.10 mrad 0.06 mrad (+ for ascending slope)
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FIGURE 1
