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in-memory event structure filled by W-algo ver 4.1

event tree

1. eveID
2. trg
   • bx7,bx48
   • l2bitET,l2bitRnd,L2Result
3. bemc raw hits
   1. Wiki MarkupBTOW : adc\[4800], ene\[..], stat\[..]
   2. Wiki MarkupBSMD : adc\[2]\[18000], stat\[]\[]
4. { vertex } list
   1. id, z
   2. { eleTrack } list
      1. isMatch2CL, isNearJethasNearJet, isAwayJet hasAwayJet (expect 1,0,0 for W-electrons)
      2. pointTower
         • id, R(3D)
         • iEta, iPhi (L2 convention)
      3. glMuTrack (pointer), primP (3D)
      4. jetTPCPT : summed over delR<0.7, quenched at 10 GeV/c
      5. awayTPCPT : summed opposit in phi, over delPhi<0.7 & any eta
      6. cluster : type EMC_cluster, W-, awayTpcPt (summed)
      7. { EMC_cluster} list
      cluster (the electron info, summed over 2x2 towers )
      • energy, ET, adcSum, position (3D)
      • nTower, iEta, iPhi (last 2 use L2 convention)
      8. cl4x4 : type EMC_cluster, summed over 4x4 towers
      9. jetEmc : type EMC_cluster, summed over 20x20 towers
      10. awayEmc : type EMC_cluster, summed over 20-phi & 40-eta towers

h.4 Chat flow for extraction of W signal from pp500 STAR data from Run 9
(Version 1.0)

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