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D. Attié, P. Colas Analysis Meeting, DESY 11 February 2009

LP test beam Micromegas analysis - Data flow, content and quality -. D. Attié, P. Colas Analysis Meeting, DESY 11 February 2009. Data flow. Back-end electronic (ML405). T2K electronics 1728 channels. Optical fibre. 1-hour automatic rsync backup. TCP/IP via ethenet. PC

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D. Attié, P. Colas Analysis Meeting, DESY 11 February 2009

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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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