====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 = 5×10-4 (FWHM) * Material + gas + (upstream) Fiber scintillator + (downstream) Drift Chamber: dp/p = 6×10-4 (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)