13/02/2006 - 14/02/2006
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13/02/2006 - 14/02/2006. Operational procedures. Tasks and data flow overview. Laser Monitoring. 13/02/2006 - 14/02/2006. Sliding window analysis. A range of runs is selected for a given SM ● Play Back the history ● Valid the readout ● TP analysis

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13/02/2006 - 14/02/2006

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13 02 2006 14 02 2006

13/02/2006 - 14/02/2006

Operational procedures

Tasks and data flow overview

Laser Monitoring


13 02 2006 14 02 2006

13/02/2006 - 14/02/2006

Sliding window analysis

A range of runs is selected for a given SM

● Play Back the history

● Valid the readout

● TP analysis

● Analyzes of the history of channel’s responses

Prepare the computation of the short term correction coefficients

Laser Monitoring


13 02 2006 14 02 2006

13/02/2006 - 14/02/2006

Data Structure built for the sliding window analysis

Retrieve all the reduced data from DB corresponding to the range of runs

● Distributed data (12 PC of the farm)

● Data integrity checked

Master PC located in counting room

Data organization: Xmonitor corrections

1) The data structure is a concatenation of reduced data for each run

● Laser shape parameters from the MATACQ

● Pulse shape parameters

● Response to Blue Laser

● Response to Infrared Laser

● Response to TP

2) Tables are built containing all the possible normalization

● for a given color

● for a given lmodN

Laser Monitoring


13 02 2006 14 02 2006

13/02/2006 - 14/02/2006

Play Back the history

The play back is performed on each PC of the monitoring farm

● Reduced data

● Log files (specific to each process executed on a PC)

List of tasks:

● LookLaserShapeParProc

● LookPulseShapeParProc

● ValidLaserEventProc

● CorrectResponseLaserProc

The play back doesn’t correspond to the processing

reprocess from the converted data

Laser Monitoring


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13/02/2006 - 14/02/2006

Valid the Readout

● VROProc

TP analysis

● LookTPmonitorProc

● CorrectTPEventProc

Analyzes history of channel’s response

● LookmonitorProc

●LookPNmonitorProc

1) Detect zeros and fluctuations in the history of each channel

2) Detect oscillations with a 12h or 24h period (temperature)

3) Make a correction:

● Interpolation (without irradiations)

● Fit (In situ)

Laser Monitoring


13 02 2006 14 02 2006

13/02/2006 - 14/02/2006

Follow-up (suivi) of the evolution of the ECAL

Build R/R0 for blue and infrared Lasers

Data structure:

1) For a given SM and lmodN

2) For a given normalization

3) Several blocks of ASCII data

● row: channel number

● first column: response to blue Laser

● third column: response to infrared Laser

List of tasks:

● LookConstraintProc

● ValidCorrelationProc

Laser Monitoring


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