Charged B

Data Samples

• p11.07 re-processed di-muon sample (105K events)"

Algorithm

• BjpsiXFinder (d0root-btag package)

Selection and Cuts

Tracks:

• 501 chunk
• 4 or more hits

  J/Psi vertex:
  

• track pT > 2 GeV/c, track matched to muon using Gavin's matching
• 2.8 < m < 3.3
• positive decay length.

  Kaon candidate:
  

• pT > 0.5 GeV/c

  B vertex:
  

• chi2 < 10
• pT > 10 GeV/c
• colinearity angle (p.l) > 0.9
• decay length (l) > 120 microns (with respect to reconstructed Primary Vertex)