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Athena LAr Noise Monitoring Software Brief Status Report Following discussions with Remi Lafaye, the design is evolving Try to avoid computing the pedestal.

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Presentation on theme: "Athena LAr Noise Monitoring Software Brief Status Report Following discussions with Remi Lafaye, the design is evolving Try to avoid computing the pedestal."— Presentation transcript:

1 Athena LAr Noise Monitoring Software Brief Status Report Following discussions with Remi Lafaye, the design is evolving Try to avoid computing the pedestal and rms in different places in the code  Pedestal and their rms are to be computed in dedicated algorithms and, optionally, loaded in the database  LArDigit: LArPedestalMaker produces LArPedestal needs improvements (Kai)  LArRawChannel: a similar algorithm perhaps to be written  One way to monitor the pedestals and their rms is to take info from these objects LArDigit: from LArPedestal  LArNoiseMonToolBase design (Rolf, Michel) still good Continue implementation! Michel Lefebvre University of Victoria 02 Nov 2005

2 M. Lefebvre, 02 Nov 2005LAr noise monitoring status report2 simple design idea MonitorToolBase LArNoiseMonToolBase LArDigitNoiseMonTool LArRawChannelNoiseMonTool LArPedestalMonTool (not yet) implements common code  implemented handles specifics  handles loop over relevant objects First implementation working well Expect the design to be stable  implementation will evolve with profiling info

3 M. Lefebvre, 02 Nov 2005LAr noise monitoring status report3 a few histograms (Phase1 run 18720) sample 0 (ADC) per channel for a given FEB FebID, LAr partition and gain

4 M. Lefebvre, 02 Nov 2005LAr noise monitoring status report4 a few histograms (Phase1 run 18720) sample 0 (ADC) per FEB for a given feedthrough Feedthrough ID and gain

5 M. Lefebvre, 02 Nov 2005LAr noise monitoring status report5 a few histograms (Phase1 run 18720) LArRawChannel signal (GeV) per channel for a given FEB FebID, LAr partition and gain

6 M. Lefebvre, 02 Nov 2005LAr noise monitoring status report6 a few histograms (Phase1 run 18720) LArRawChannel signal (GeV) per FEB for a given feedthrough FebID, LAr partition and gain

7 M. Lefebvre, 02 Nov 2005LAr noise monitoring status report7 coherent/incoherent noise Consider implementing (relative) coherent noise monitoring  the issue was discussed with Petr Gorbanov and Remi Lafaye and a good solution exist  difficulty is free gain  speed is an issue Histogram checking to be tried very soon root macros implementation (Tayfun, Michel) stating NOW

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