Improvements of The L3 TEC Track Resolution at Vertex

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Yang Changgen, Chen Hesheng, Jin Bingnian and Tang Xiaowei. Improvements of The L3 TEC Track Resolution at Vertex[J]. Chinese Physics C, 1994, 18(8): 687-693.
Yang Changgen, Chen Hesheng, Jin Bingnian and Tang Xiaowei. Improvements of The L3 TEC Track Resolution at Vertex[J]. Chinese Physics C, 1994, 18(8): 687-693. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Improvements of The L3 TEC Track Resolution at Vertex

    Corresponding author: Yang Changgen,
  • Institute of High Energy Paysics,Acadamia Sinica,Beijing 1000392 ETH-Z, Institute fur Hochenergiephysik,8093-Zurich,Switzerland

Abstract: Two methods are used to improve the L3 TEC resolution at track vertex.First,refit the lepton tracks by constrained curvature from high precision measurements on electron energy and muon momenta. Second, correct the average value of track offsets in each half sector of TEC.Combined methods improve the lepton track resolution at vertex from 137μm to 60μm.

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