Difference between revisions of "Qweak Installation"

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= Tolorances=
 
= Tolorances=
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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 alignmed with the beam line.
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X,Y,X, pitch, Yaw
 
X,Y,X, pitch, Yaw
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  {| border="1"  |cellpadding="20" cellspacing="0  
 
  {| border="1"  |cellpadding="20" cellspacing="0  
 
|-
 
|-
| Variable || Definition
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| Coordinate || "Would like to" || "Must have" || Known to
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|-
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| X || || ||
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|-
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| Y || || ||
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|-
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| Z || || ||  
 
|-
 
|-
| 1 fermi || <math>10^{-15}</math> m
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| Yaw(about Y) || || ||  
 
|-
 
|-
| 1 MeV || =<math>10^6</math> eV = <math>1.602 \times 10^{-13}</math>  J
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| Pitch (about X) || || ||  
 
|-
 
|-
| 1 a.m.u. || Atomic Mass Unit = 931.502 MeV
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| Roll(about Z) || || ||  
 
|}
 
|}
  
  
 
[http://www.iac.isu.edu/mediawiki/index.php/Qweak Go Back]
 
[http://www.iac.isu.edu/mediawiki/index.php/Qweak Go Back]

Revision as of 19:10, 7 May 2008

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.

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 alignmed with the beam line.



X,Y,X, pitch, Yaw

Coordinate "Would like to" "Must have" Known to
X
Y
Z
Yaw(about Y)
Pitch (about X)
Roll(about Z)


Go Back