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HES HKS meeting

E05-115 experimental setup in JLab Hall C (2009). HES HKS meeting. 22 Nov 2010 T.Gogami. Contents. EDC Residual Tracking EHODO parameter. EDC residual. Tracking code Drift time , distance EHODO. Run : 76321 (CH 2 target). σ ≈ 250 [μm]. σ ≈ 300 [μm]. EHODO timing.

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HES HKS meeting

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  1. E05-115 experimental setup in JLab Hall C (2009) HES HKS meeting 22Nov 2010 T.Gogami

  2. Contents • EDC Residual • Tracking • EHODO • parameter

  3. EDC residual • Tracking code • Drift time , distance • EHODO Run : 76321 (CH2 target) σ ≈ 250 [μm] σ ≈ 300 [μm]

  4. EHODO timing Not so bad TDC of EHODO2 cannot be seen with current rev. Need to be checked

  5. xFP vs. Residual The center doesn’t match !

  6. Pos. at EHODO1 BLUE→ Hit only EHODO15 BLUE→ Hit EHODO15 These stripe structure caused by multi-hit (between segments) ちなみにthe center doesn’t match.

  7. Mystery 1 Large residual [cm] [cm]

  8. Mystery 2 [cm] HES track chi-square Large chi-square

  9. Summary and to do • Summary • EDC tracking • Large chi-square • Large residual • EHODO multi-hit between segments • to do • POSI • Analysis • Residual of chambers for each arm. • HES tracking • Strangeness 2010 in KEK • Preparation

  10. END

  11. xpFP vs. residual

  12. xpFP vs. residual

  13. Pos. at EHODO1

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