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Muon offline run readiness. Current status of offline reconstruction Single muons (5-100 GeV P T ) Z   Single b   (P T of b > 6, <3) B s  J/  + K s Plans for March 1 st and after. Muon ID. Calorimeter: ~1.5 Gev Toroid (BC): ~ 3 GeV.

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muon offline run readiness
Muon offline run readiness
  • Current status of offline reconstruction
    • Single muons (5-100 GeV PT)
    • Z
    • Single b  (PT of b > 6, <3)
    • Bs  J/ + Ks
  • Plans for March 1st and after

Offline Muon Reconstruction for

B-physics

muon id
Muon ID

Calorimeter: ~1.5 Gev

Toroid (BC): ~ 3 GeV

  • Muon = Object in muon system + matching GTrack
  • Tight:
    • GTrack (PT > 3) + A,BC track
    • GTrack (1.5 <PT < 3) + A segment
  • Loose:
    • GTrack (PT > 3) + A or BC segment
  • Extra loose:
    • GTrack (PT > 1.5) + hit coincidence

Offline Muon Reconstruction for

B-physics

single muon efficiency
Single muon efficiency

Offline Muon Reconstruction for

B-physics

single muon efficiency1
Single muon efficiency

Offline Muon Reconstruction for

B-physics

slide5
Z

Offline Muon Reconstruction for

B-physics

single b
Single b

Offline Muon Reconstruction for

B-physics

single b1
Single b

Offline Muon Reconstruction for

B-physics

b s j k s efficiency
Bs  J/ + Ks efficiency

Offline Muon Reconstruction for

B-physics

b s j k s efficiency1
Bs  J/ + Ks efficiency

Offline Muon Reconstruction for

B-physics

future plans now 3 1
Future plans: now - 3/1
  • Improve central track matching
  • Implement tracking in calorimeter
  • Offline and L3 use same code
  • Priority: workable L3 tool
    • Fix bugs in reconstruction
    • Make it as fast as reasonably achievable and then some
    • Get it running smoothly on NT

Offline Muon Reconstruction for

B-physics

event display
Event display

Offline Muon Reconstruction for

B-physics

future plans first 100 000 events
Future plans - First 100.000 events
  • Debug code using real data
    • Detector open - segments (B&C)
    • Detector closed - local tracks (~17% PT)
    • With inner tracker - global tracks
  • Check complete system
  • Do some physics?
    • Check J/ and Z cross sections?

Offline Muon Reconstruction for

B-physics