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ScECAL

ScECAL. ScECAL in ILD. Sensor unit: scintillator strip + MPPC 45 x 5 x 2 mm3 scintillator strip 1.4 x 1.4 x 0.6 mm 3 MPPC near future Special algorithm: Strip Splitting Algorithm extract the effective 5 x 5 mm 3 lateral . S cintillator. MPPC. Tungsten.

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ScECAL

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  1. ScECAL

  2. ScECAL in ILD • Sensor unit: scintillator strip + MPPC • 45 x 5 x 2 mm3 scintillator strip • 1.4 x 1.4 x 0.6 mm3 MPPC near future • Special algorithm: Strip Splitting Algorithm • extract the effective 5 x 5 mm3 lateral Scintillator MPPC Tungsten

  3. ScECALPhysics Prototype Scintillator strip 10x45x3 mm WLS 30 layers w/ W absorber tested at FNAL in 2008, 2009 1600 pix MPPC linearity for electron Energy resolution for electron 2 – 32 GeV 2 – 32 GeV stochastic term: 13.16±0.05% constant term: 2.32±0.02% w/o systematics 1.17% after subtract 2% intrinsic momentum spread CALICE Preliminary CALICE Preliminary Deviation from linear < 1.5% w/o systematics

  4. ScECAL Technical Prototype TB Sep. 2012 @ DESY • Scintillator/MPPC units on PCB • Four ASICs (SPIROCII) on PCB • Thickness of PCB 0.8 mm is the next challenge

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