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2009 ScECAL Meeting Summary: MPPC Developments and Beam Test Analyses

This document outlines the activities and discussions from the December 14, 2009, ScECAL meeting held at KEK, focusing on various analyses related to the Beam Tests (BT) at DESY, KEK, and FNAL. Key topics include enhancements in performance with Hamamatsu MPPCs, long-term stability assessments, radiation tolerance studies, and mechanical stability evaluations. Collaborative efforts aim to establish scintillator production and investigate optimal light yield through simulation. The meeting highlighted crucial updates on dynamic range, response curve studies, and innovative design proposals for detector structures.

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2009 ScECAL Meeting Summary: MPPC Developments and Beam Test Analyses

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  1. Plan for 2009 activity S. Uozumi and All Dec-14 2009 ScECAL meeting @ KEK

  2. Beam Test • DESY BT analysis (Satoru) • KEK BT analysis (Nishiyama) • FNAL BT analysis • Nishiyama, Sakuma, Adil • FNAL BT data taking • everyone

  3. MPPC related • Improve performance with Hamamatsu • Dynamic range (20um pitch or smaller) • Various prioerties • 1.3^2mm2 or rectangular • package • Long-term stability (Takahashi) • Response curve study • Radiation tolerance • Estimation of radiation dose to MPPC at ILC • Radiation test • Magnetic tolerance • Robustness (broken MPPC)

  4. Scintillator • Establish scintillator production with KNU • Mechanical stability • Injection mould ? • Megastrip structure • 5 mm wide strip • Bench test • Reflector, method etc. • Optical simulation • Estimate optimal light yield

  5. Simulation • Strip clustering (Kotera) • MIP calibration (Yanagida, Shinshu)

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