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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. - PowerPoint PPT Presentation
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HES HKS meeting22 Nov 2010
T.Gogami
E05-115 experimental setup in JLab Hall C (2009)
Contents
• EDC Residual– Tracking – EHODO
• parameter
EDC residual
• Tracking code– Drift time , distance
• EHODO
Run : 76321 (CH2 target)σ ≈ 250 [μm]
σ ≈ 300 [μm]
EHODO timing
Not so bad
TDC of EHODO2 cannot be seen with current rev.
Need to be checked
xFP vs. Residual
The center doesn’t match !
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.
Mystery 1
Large residual[cm]
[cm
]
Mystery 2[c
m]
HES track chi-square
Large chi-square
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
END
xpFP vs. residual
xpFP vs. residual
Pos. at EHODO1