[Clas_cascades] Meeting notes July 22

Hovanes Egiyan hovanes.egiyan at gmail.com
Fri Jul 23 10:52:03 EDT 2010


Present: Hovanes, Stepan, Kijun

Notes by Hovanes.


    * Hovanes made an update on his estimates of trigger inefficiency
      due to the decay outside of the start counters
      <http://clasweb.jlab.org/rungroups/eg3/wiki/index.php/Trigger_efficiency_loss_estimates_due_to_detached_vertices_outside_ST_by_using_cuts_on_STN0_banks_in_the_acceptance_calculations>.
      This time he calculated the acceptance with cuts on raw ST hits.

    * His studies show that ~15% of the MC events will not produce ST
      hits in three sectors to fire the bit 6 of the eg6 trigger. He
      also assigns 5% uncertainty to this estimate.

    * Hovanes updated the response document and checked it in into CVS.
      He will add a subsection into the analysis note and post it for
      the group to review before sending it to the committee.

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