S-2S Wiki

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====後神====
{{:gogami_s-2smeeting_2014_8_20_.pdf|pdf file}}
  * About 3D CAD drawing of S-2S magnet 
     * About installation of Autodesk Inventor Professional. 
     * 3D CAD file made by T.Takahashi was uploaded. 
  * Web page of a text experiment for prototype WC detector @ELPE has been updated. 
  * Missing mass resolution simulation with CH2 target 
      * Effect of decayed particles on the energy loss correction of missing mass is being estimated (Coding is in progress). 

====金築==== 
{{:meeting_memo:stsmeeting140820.pptx|pptxファイル}}
   * Mente Carlo simulation study of tracking detectors (Geant4) 
      * Material + gas + (upstream) Drift Chamber + (downstream) Drift Chamber: dp/p = 5×10<sup>-4</sup> (FWHM) 
      * Material + gas + (upstream) Fiber scintillator + (downstream) Drift Chamber: dp/p = 6×10<sup>-4</sup> (FWHM)
          * Better momentum resolution is achievable with drift chambers than fiber scintillator.
      * (note1: Effects of wires of the drift chambers were not taken into account in the simulation.)
      * (note2: These results are for particles with momenta of 1.375 GeV/c.) 
   * Anglular resolution: 2 mrad (FWHM) 
   * Drift chambers (upstream) 
      * Location need to be checked. 
      * Repair @IQBRC ? / Construction ? 
      * Need to confirm required size. 
   * PVAC (Aerogel Cerenkov detector for Proton Veto) 
   * Momentum and angular distributions of protons from elastic scattering
     * S-2S: protons from the elastic scattering are out of the acceptance.
     * SKSMinus: protons from the elastic scattering are in the acceptance. 
   * S-2S acceptance (map) for production points around target (x,y and z) 
====竹中====
  * 水チェレンコフ検出器試作機のELPHにおけるテスト実験のデータ解析 
     * In progress. 
  * Preparation for presentation in Hawai meeting. 
     * Rough overview will be prepared by next week. 

====その他====
  * Next S-2S regular meeting: 8/27 (水) 10:30- 
  * BBQ: 8/22 (金) 18:00-21:00 @理学研究科5号館 中庭 
  * Indian summer school in Prague, Czech Republic (9/3 - 9/7)

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