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HES HKS meeting

E05-115 experimental setup in JLab Hall C (2009). HES HKS meeting. 24 Dec 2010 T.Gogami. Contents. Current status multiplicity Residual Residual Weird distribution especially for 52 Cr , H 2 O target. Curry buffet in AOSIS (16Dec2010). Multiplicity for each target. 10 B. 9 Be.

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HES HKS meeting

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  1. E05-115 experimental setup in JLab Hall C (2009) HES HKS meeting 24Dec 2010 T.Gogami

  2. Contents • Current status • multiplicity • Residual • Residual • Weird distribution especially for 52Cr , H2O target Curry buffet in AOSIS (16Dec2010)

  3. Multiplicity for each target 10B 9Be 52Cr 12C Cannot extract tracks from higher multiplicity event. 7Li H2O CH2 Pattern recognition Ntuple

  4. Multiplicity for each layer

  5. Residual for each target 52Cr ,77124 σ≈372 [μm] 12C ,76077 σ≈218 [μm] 10B ,76184 σ≈161 [μm] 9Be ,76607 σ≈214 [μm] 7Li ,76220 σ≈181 [μm] H2O ,75972 σ≈337 [μm] CH2 ,76314 σ≈155 [μm]

  6. Rate dependence • Multiplicity : linear dependence with rate • Residual : quadratic dependence with rate Kawama-san’s study

  7. Residual vs. track chi2 for 52Cr

  8. Residual of 52Cr target 1 12

  9. Typical event with event display

  10. Residual vs. Drift distance cleanup.f reject bad events

  11. Summary and to do • Summary • Multiplicity • Linear dependence with rate in KDC • Residual • Quadratic dependence with rate in KDC • Weird distribution especially for 52Cr , H2O target • To do • Tracking • 4 by 4 • Doisimulation • Residual • Track fit • Left right • Drift time calculation • E01-011 • 出張手続き • 飛行機 • 宿 • ViSA

  12. End 焼きチーズカルボナーラ @ハミングバード in LaLa garden 23 Dec 2010

  13. x , x’ wires

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