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- x = 194.0 mm→ Rotational axis in beam
- y = 114.0 mm → First straw center height (ch8) in gamma beam (according to mark on dump table → 6.35 mm under global 0 mm)
- r = 27.0° → Straws at 0°
- For FACET coordinates (0, 0, 2017.2525) m (z is global position of rotational axis, which is in between the two straw rows) → (x,y,r) = (194.0, 120.35, 27.0)
Electron 10 GeV beam 61.3 mm below gamma axis at LFOV.
Fibers in parking position x = -66mm, diag 140mm from photon axis
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Lower Al rod to first straw → ~7 cm
Electron 10 GeV beam 61.3 mm below gamma axis at LFOV.
Image Added
→ At EDS rotational axis → 61.3 mm * ( (2017.2525 - z_Dipole) / (2015.59 - z_Dipole) ) = 71.86 mm
Electronics Setup
Electronics Details
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