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EM Calorimetry Study Jaewon Park University of Rochester MINERvA/Jupiter Group Meeting, Sep 5, 2006.

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Presentation on theme: "EM Calorimetry Study Jaewon Park University of Rochester MINERvA/Jupiter Group Meeting, Sep 5, 2006."— Presentation transcript:

1 EM Calorimetry Study Jaewon Park University of Rochester MINERvA/Jupiter Group Meeting, Sep 5, 2006

2 Overview Preliminary ECAH study  Electron beam is used. (Previous HCAL study uses proton beam) Looked at Energy dependence, Vertex Z dependence, theta dependence Try to find calibration constant for ECAL  Here, ID means pure plastic scintillator

3 Calibration factor for ECAL After some tries, ECAL calibration factor 2.5 gives better resolution than 1.75

4 DS-ECAL Energy dependence Vz = 0cm Theta=0deg

5 DS-ECAL Vertex Z dependence 1GeV electron beam Theta=0deg

6 Barrel ECAL Theta dependence E=1GeV, Vz = 0cm Theta=0,10,…50de g 2.5 times OD calibration factor seems to prevent leakage but made resolution twice

7 Thicker ECAL 0.4mm lead gives ~20% decrease on resolution

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