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Micromegas Analysis Meeting: Data Flow and Quality Summary

This detailed analysis meeting discusses Micromegas module data flow, back-end electronics, optical fibers, backup procedures, data content, and quality. It includes information on data content summary, bulk Micromegas gain in T2K gas, access to data, beam and cosmic ray data, and acknowledgments.

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Micromegas Analysis Meeting: Data Flow and Quality Summary

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  1. LP test beam Micromegas analysis - Data flow, content and quality - D. Attié, P. Colas Analysis Meeting, DESY 11 February 2009 Micromegas module

  2. Data flow Back-end electronic (ML405) T2K electronics 1728 channels Optical fibre 1-hour automatic rsync backup TCP/IP via ethenet PC T2K DAQ on Linux ILC_BCKP_01 ILC_DATA_01 500 Go 500 Go ILC_BCKP_02 ILC_DATA_02 500 Go 500 Go Grid Saclay NativeToLCIO (Yun-Ha Shin) Transfert done by K. Dehmelt 1 To Analysis Meeting - DESY, 11 February 2009

  3. Data content summary Analysis Meeting - DESY, 11 February 2009

  4. Data content summary (B=1T) • B=OT data • 25 sampling frequency Analysis Meeting - DESY, 11 February 2009

  5. BulkMicromegas gain in T2K gas Analysis Meeting - DESY, 11 February 2009

  6. Data content summary • Total number of events: ~5×106 • Data taken for z=10 cm at several sampling frequencies: 10, 25, 33, 50 & 100 MHz • Most of data taken for alignment, electronic tests and parameters tuning are for specialists • Electronic logbook available at: https://ttfinfo.desy.de/LP1elog • LCIO data available on the grid accessible within the VO 'ilc' at: • lfn:/grid/ilc/tpc/2008/t24/micromegas/LCIO/*.slcio(srm://dcache-se-desy.desy.de/pnfs/desy.de/ilc/tpc/2008/t24/micromegas/LCIO/*.slcio) Analysis Meeting - DESY, 11 February 2009

  7. How to access to the data • Here you have some very helpful web links: • Generalities: • - http://www.nordugrid.org/ • - http://www.eu-egee.org • - http://wiki.egee-see.org/index.php/Main_Page • First of all, get a Certification Authority (CA): • - Example for France: http://igc.services.cnrs.fr/GRID-FR • How to get the Virtual Organization • - http://grid.desy.de/ilc/ • - direct link to subscribe to ‘ilc’ VO: • https://grid-voms.desy.de:8443/vo/ilc/vomrs?path=/RootNode/MemberRegistration&action Analysis Meeting - DESY, 11 February 2009

  8. Beam data in T2K gas Analysis Meeting - DESY, 11 February 2009

  9. Cosmic ray data sample • Peaking time: 1 μs • Frequency • sampling: 100 MHz LCTPC WP Phone Meeting #71 – 26.11.2008 Analysis Meeting - DESY, 11 February 2009 Micromegas module 9

  10. Acknowledgement Thank you very much to all who help in data taking !!! Analysis Meeting – DESY, 11 February 2009

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