VrvsMeeting08 < Tagpid/Pandatagpid

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---++ 8. PID TAG VRVS Meeting (20.3.2007)


*Agenda*

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   * "New steps - preparation for Genua"

   * e+e- Benchmark-Studies, Bertram Kopf http://www.ep1.ruhr-uni-bochum.de/~bertram/PID_TAG/EplusEminusStudies.pdf

   * updates, all

   * preparation of the PID TAG meeting in Genua
      * suggested: comparison of different Endcap Imaging Cherenkov detectors<br>
        Klaus F&ouml;hl: [[%ATTACHURL%/vrvs2007march20basis2.pdf][vrvs2007march20basis2.pdf]] rough preview

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*Results and Decisions*


   * e+e- Benchmark-Studies, Bertram Kopf http://www.ep1.ruhr-uni-bochum.de/~bertram/PID_TAG/EplusEminusStudies.pdf
      * Bertram Kopf showed his analyss of the EMC simulated e+e- data with the Neural Network. He obtains a pion background substraction of 10**6 at a  electron reconstruction probability of 30%.This has to be and can be optimized with all detectors included in the simulation.
   * suggested: comparison of different Endcap Imaging Cherenkov detectors<br>
        Klaus F&ouml;hl: [[%ATTACHURL%/vrvs2007march20basis2.pdf][vrvs2007march20basis2.pdf]] rough preview
      * Klaus Foehl compared the performance of the two studied solution for a Cjerenkov counter in the Forward Tagret Spectrometer,  the ToP DISC DIRC and the Focussing DISC DIRC, with the proximity focussing RICH with GEM-foil readout recently proposed by Lars Schmitt.
         * It was agreed that he will update his basics presentation for the Genua meeting with own calculations and input from the  Giessen group for their new ToP Design.
         * A question was: Do we need a kaon-pion-seperation power in the Target Spectrometer higher than 3.5GeV/c for real physics? 
   * discussion
      * In the discussion we also agreed that we urgently need - similar to the table of momenta of particle species for different theta angles - a table of seperation power of detector species for different theta angles.Thus we can see whether we cover all particles to be detected.
      * In Genua we want to have time for the discussion of the three different Endcap Imaging Cherenkov detectors.
      * It was agreed that we ask the Muon Counter group for an update of their activities.

Topic attachments
I	Attachment	Action	Size	Date	Who	Comment
pdf	vrvs2007march20basis2.pdf	manage	205.8 K	20 Mar 2007 - 13:39	KlausFoehl	suggested comparison

Topic revision: r5 - 10 Apr 2007, GeorgSchepers

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