MINOS Document 1101-v1

Alignment of the Near Detector Scintillator Modules Using Cosmic Ray Muons

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John Urish
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John Urish
Document Created:
04 Aug 2005, 12:00
Contents Revised:
04 Aug 2005, 12:00
Metadata Revised:
04 Aug 2005, 12:00
Actually Revised:
08 Sep 2006, 21:16
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Rustem Ospanov and Karol Lang, Alignment of the Near Detector Scintillator Modules Using Cosmic Ray Muons.

We describe the procedures and the results of the first alignment of the Near Detector.
Using 15.5 million cosmic ray muon tracks, collected from October, 2004 through early January,
2005, we derive the effective transverse positions of the calorimeter scintillator modules.
The residuals from straight line fits indicate that the current alignment has achieved
better than 1~mm precision. We estimate the size of the remaining misalignment and
using tracks recorded with a magnetic field test the effect of the magnetic field on
the alignment.

This is a Postscript document
This is revision # 1
Posted by Rustem Ospanov

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Rustem Ospanov and Karol Lang
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