Hardware Status (page 5 of 6)

Hardware Status (page 5 of 6)

• Alignment issues:
  • measuring (x, y) of IP with LUM:
    • (430mm, 530mm) before triplet move
    • (609mm, 667mm) after triplet move
    • (dx, dy) = (179mm, 137mm)
  • These effects are negligible for measuring luminosity due to gross/precise method (adds about 0.08% error).

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1) Triplets moved on 5/9/96 ~09:00 between runs 33803 and 33804.

2) Show (x,y) plots

3) show Kevin’s MC slide showing effects of alignment.