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Geometry Differential: y2006g vs y2006h
Material balance in y2006g (old model of the TPC), averaged over 30 degrees in phi. Daughter volumes one level below the mother volume are displayed.
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Material balance in y2006h (old model of the TPC), averaged over 30 degrees in phi. Daughter volumes one level below the mother volume are displayed.
Difference in radiation lengths, expressed as OLD minus NEW. New geometry has significantly less material than the old geometry, except for additional material added to the inner field cage.
It appears that significant portions of the tpc endcap are missing.
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