Pawel Majewski STFC Rutherford Appleton Laboratory On behalf of ...

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S1 S2 Data Acquisition and Processing HS LS Analysis cuts select events with only one S1 and one S2 Event energy and position using S1 and S2 signals are reconstructed using Least Square algorithm. Pawel Majewski TeV Particle Astrophysics, September 2008, IHEP, Beijing, China Waveforms from PMTs are acquired using 8‐bit dual‐range Acqiris system (64 channels) with 2ns sampling rate. Maximum acquisition speed : 100 events/s. Example of double Compton event registered fully with low sensitive readout channel. ZEplin 3 Reduction & Analysis 8
S1 and S2 signal stability during FSR using 57 Co 122 keV gammas S1 S2 Pawel Majewski TeV Particle Astrophysics, September 2008, IHEP, Beijing, China 9 Day Average excess from the fit for S1 and S2 is at the level of 2‐3%
Page 1 and 2: Pawel Majewski STFC Rutherford Appl
Page 3 and 4: ZEPLIN III at the Boulby mine DAQ a
Page 5 and 6: ZEPLIN III Double‐phase LXe detec
Page 7: ZEPLIN III First Science Run (FSR)
Page 11 and 12: ZEPLIN III FSR stability Exposure (
Page 13 and 14: Detector calibration with 57Co plac
Page 15 and 16: Detector calibration with 137 Cs pl
Page 17 and 18: Measurement of the Nuclear Recoil I
Page 19 and 20: Discrimination Power /preliminary,a
Page 21: Second Science Run Preparations: ZE

Pawel Majewski STFC Rutherford Appleton Laboratory On behalf of ...

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