MINOS Document 1084-v1

Calibration of the NuMI Beam Monitors

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John Urish
Updated by:
John Urish
Document Created:
11 Apr 2005, 12:00
Contents Revised:
11 Apr 2005, 12:00
Metadata Revised:
11 Apr 2005, 12:00
Actually Revised:
08 Sep 2006, 21:16
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We present an analysis of calibration studies of the NuMI Hadron and Muon Monitors.
In order to provide a well-calibratated transverse profile of the muon and hadron
beams in NuMI each pixel response to gamma's from a 1 Ci $^{241}$Am source is measured.
A relative calibration accurate to 1\% is achieved for the muon beam monitors, and
a 2\% relative calibration is achieved for the hadron beam monitor. In addition,
coefficients are measured to characterize temperature- and pressure-induced variations
of the ion chambers' response.
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D.Indurthy, S.Mendoza, Z. Pavlovich, R.Zwaska, S.Kopp, D.Harris, A.Erwin
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