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Alignment parameters obtained starting from the alignment parameters of the |
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colums (from test beam), by means of ground muons. |
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|
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STEP1 |
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Alignment parameters are first corrected for the AVERAGE shift (NB only |
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TRASLATIONS) of the PLANE (evaluated from residual distributions, obtained by |
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using alignment parameters of the colums). |
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|
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STEP2 |
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Muon tracks crossing two different colums were selected, and parameters were |
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corrected for the relative misalignment of the colums. |