KEK Beam Test Results Resistive Foil

Canada, France, Germany, Japan, Philippines

KEK, TUAT Tokyo Univ., Hiroshima Univ., Kogakuin Univ., Kinki Univ., Saga Univ., Tsukuba Univ., JapanJapan

MSU, PhilippinesPhilippines, Carleton Univ.of Ottawa,Univ. de Montréal, CanadaCanada, MPI, GermanyGermany, DAPNIA-CEA, Saclay, IN2P3-LAL and IPN, Orsay, France France

Dan Burke 20/12/05

Outline

Resolution results for ArIso and CO2

Bias results Residual vs. X PRF Drift Velocity

Resolution

σ0 = 104 +/- 3 μm Neff = 41 +/- 12 μm

row 7

Resolution – multiple rows together

Drift Distance [mm]

Res

olut

ion

[m

m]

Resolution

σ0 = 87 +/- 3 μm Neff = 30 +/- 5 μm

row 7

Resolution – multiple rows together

Drift Distance [mm]

Res

olut

ion

[m

m]

Resolution

σ0 = 108 +/- 5 μm Neff = 34 +/- 10 μm

row 7Drift Distance [mm]

Res

olut

ion

[m

m]

Resolution – multiple rows together

Drift Distance [mm]

Res

olut

ion

[m

m]

Bias

bias not corrected for

Residual vs. X-track (1T)

no large edge effects

Pad Response Function (1T)

Distance (mm)

Am

plit

ude

Not yet fitted for, some difficulties with paw fits

Pad Response Function (1T)

Distance (mm)

Am

plit

ude

Not yet fitted for, some difficulties with paw fits

Drift Velocity

Gas Vdrift(cm/s) Magboltz(cm/s)

ArIso 80 V/cm 2.95 ± 0.08 2.95 ± 0.01

ArIso 220 V/cm 4.19 ± 0.12 4.17 ± 0.01

TDR(super preliminary)

3.4 ± 0.3 3.58 ± 0.01

CO2 Too slow for electronics to measure

Average amplitude vs. Row #A

mpl

itud

e

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