KEK Beam Test Results Resistive Foil Canada, France, Germany, Japan, Philippines KEK, TUAT Tokyo Univ., Hiroshima Univ., Kogakuin Univ., Kinki Univ., Japan Saga Univ., Tsukuba Univ., Japan PhilippinesCanada MSU, Philippines, Carleton Univ.of Ottawa,Univ. de Montréal, Canada, GermanyFrance MPI, Germany, DAPNIA-CEA, Saclay, IN2P3-LAL and IPN, Orsay, France Dan Burke 20/12/05
Outline Resolution results for ArIso and CO 2 Bias results Residual vs. X PRF Drift Velocity
Resolution σ 0 = 104 +/- 3 μm N eff = 41 +/- 12 μm row 7
Resolution – multiple rows together Drift Distance [mm] Resolution [mm]
Resolution σ 0 = 87 +/- 3 μm N eff = 30 +/- 5 μm row 7
Resolution – multiple rows together Drift Distance [mm] Resolution [mm]
Resolution σ 0 = 108 +/- 5 μm N eff = 34 +/- 10 μm row 7 Drift Distance [mm] Resolution [mm]
Resolution – multiple rows together Drift Distance [mm] Resolution [mm]
Bias bias not corrected for
Residual vs. X-track (1T) no large edge effects
Pad Response Function (1T) Distance (mm) Amplitude Not yet fitted for, some difficulties with paw fits
Pad Response Function (1T) Distance (mm) Amplitude Not yet fitted for, some difficulties with paw fits
Drift Velocity Gas V drift (cm/ s)Magboltz(cm/ s) ArIso 80 V/cm2.95 ± ± 0.01 ArIso 220 V/cm4.19 ± ± 0.01 TDR (super preliminary) 3.4 ± ± 0.01 CO 2 Too slow for electronics to measure
Average amplitude vs. Row # Amplitude 6-9% variation in amplitude for inner rows
Conclusion Resolution results consistent for ArIso and CO2 More bias studies PRF needs to be fitted properly, more time with PAW Drift velocity calculations accurate and agree with magboltz