Qweak Installation

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Information for installing the R1 chambers into Hall C

Target Date

Definitions

Survey tolorance
The accuracy in the absolute location of an object
Alignment Tolerance
The accuracy of an object relative some other known object.
"Would like to"
desired alignment accuracy
"Must have"
Required alignment accuracy
"Known to"
desired survey accuracy

Tolorances

The charge collector strips are less than 0.4 mm wide. But the concentric strip can give you a direct measurements of the [math]\theta[/math] angle if they are properly alignment with the beam line.

Coordinate "Would like to" "Must have" Known to
(mm) (mm) (mm)
X 0.2 0.4
Y 0.2 0.4
Z 10 1
Yaw(about Y)
Pitch (about X)
Roll(about Z)


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