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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Amaudruz, P.-A. Bishop, D. Chouinard, R. Davis, P. Liu, S. Langton, K. Mead, S. Muir, A. Ohlmann, C. Olchanski, K. Retiere, F. |
| Copyright Year | 2012 |
| Description | Author affiliation: University of Alberta, Edmonton, T6G2E1 Canada (Chouinard, R.; Davis, P.; Liu, S.) || TRIUMF, Vancouver, BC V6T2A3 Canada (Amaudruz, P.-A.; Bishop, D.; Langton, K.; Mead, S.; Muir, A.; Ohlmann, C.; Olchanski, K.; Retiere, F.) |
| Abstract | The DEAP-3600 experiment will search for dark matter particle interactions on liquid Argon at SNOLAB, located 2 km underground in Sudbury Ontario. The DEAP-3600 detector is currently under construction and will be instrumented with 255 Hamamatsu PMT, each channel being decoupled from the PMT high voltage by a set of custom analogue signal conditioning boards. The signal conditioning boards split the PMT signals into three outputs: high gain; low gain; and into a twelve channel analogue sum (ASUM). Three different digitisers sampling at 250 MS/s, 62.5 MS/s and 50 MS/s digitise the signal conditioning outputs, the 50 MS/s sampler being a custom 6U VME Stratix IV FPGA based module generating trigger decisions based on a pulse-shape discrimination (PSD) selection. The 250 MS/s and 62.5 MS/s digitisers are commercial CAEN V1720 and V1740 modules respectively. DAQ from the digitisers to disk is handled by the Midas system with additional software event filtering provided by DEAP-3600 specific algorithms. With a total mass of 3600 kg the expected Argon β decay background is 3.6 kHz, a key feature of the DEAP-3600 TDAQ system is the reduction in data volume from 4500 MB/s to 5 MB/s, while recording all events of interest. |
| Starting Page | 1 |
| Ending Page | 8 |
| File Size | 1459075 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781467310826 |
| e-ISBN | 9781467310840 |
| DOI | 10.1109/RTC.2012.6418165 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-06-09 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Data acquisition Clocks Field programmable gate arrays Optical fiber communication Calibration Throughput Argon |
| Content Type | Text |
| Resource Type | Article |
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