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Status report on EMC simulation ...

Status report on EMC simulation. The plan was to: SURVEY the existing situation over the 2001 2002 runs - Validation of plots using  and ee ee samples STATUS: started with  Library TOMLIB,DIAG used with minor effort (after 1 day of

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Status report on EMC simulation ...

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  1. Status report on EMC simulation ... • The plan was to: • SURVEY the existing situation over the 2001 2002 runs - Validation of plots using and eeee samples STATUS: started with  • Library TOMLIB,DIAG used with minor effort (after 1 day of debugging thanks to T.Spadaro) emcsim.exe • Scripts ready to run over a large sample. • First test-plots on energy response started/checked with 1.5 pb-1 of D3P3 dsts (runnum ~ 26519-26658) • next steps ... run over large data sets. Insert efficiencies. start comparing with MC, fix MC! MC meeting LNF 23-1-03 S.Miscetti

  2. Example of problems in EMC scale (1) DATA • Comparing the • Energy scale as • a function of • hit position in • fiber shows : • no problems just a small scale for Barrel • 4-5% discrepancy along Rt or Y in Ecap DATA vs MC

  3. Example of problems in EMC scale (2)

  4. Example of validation plots with EMCSIM Barrel only, E-Pg (MeV) vs .. Zext(cm) E(MeV) E(MeV) Pg(MeV) Pg (MeV)  MC meeting LNF 23-1-03 S.Miscetti

  5. EMCSIM: Barrel only. (E-Pg)/Pg Zext(cm) Pg(MeV)  MC meeting LNF 23-1-03 S.Miscetti

  6. Endcap region (80:180 cm in RT) RT(cm) Pg(MeV) MC meeting LNF 23-1-03 S.Miscetti

  7. Barrel-Endcap region (180:200 cm in RT) Pg(MeV) MC meeting LNF 23-1-03 S.Miscetti

  8. First look to resolution on EndCap • 20 slices in Pg (20 MeV) • Gauss fit • Extract Peak, • Sigma MC meeting LNF 23-1-03 S.Miscetti

  9. Endcaps .. Diff lin and energy resolution Pg(eV) Pg(MeV) MC meeting LNF 23-1-03 S.Miscetti

  10. Another look at holes .. Gamma Gamma sample (Degree) MC meeting LNF 23-1-03 S.Miscetti

  11. Status of SELBKG • A first skeleton of the AC module SELBKG exists: • INIT routine to reads the weights from files done • EV routine to filter gg sample: • - selection of golden clusters ok and tested. • - list of accidental clusters ok • - weighting routine in progress • - selection of CELE hits in progress • no selection for DC hits • A version 0 of a running AC module expected for next week. MC meeting LNF 23-1-03 S.Miscetti

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