Run 155228

  • Unless otherwise noted, all plots are of OFFLINE reconstructed vertices.
  • Plots labeled "With Cuts" have a nTracks >= 2 requirement and the x,y position of the vertex must be less than 15 mm from the origin.

Number of Vertices and Tracks

nVertOff.png

nVertOn.png

nTrkOff.png

nTrkOn.png

X,Y,Z Vertex Distributions

Difference Between Online and Offline Vertices

The distance between online and offline vertices is calculated on a vertex by vertex basis, for those events with at least 1 online vertex reconstructed. At least two tracks are required of the OFFLINE vertex. The last distance plot shown here is the 3D distance between the two vertices (ds = sqrt[dx^2+dy^2+dz^2]). It is the same as |dz| in nearly all cases.

diffX.png

diffY.png

diffZ.png

diffS.png

All BCID

XdistAll.png

YdistAll.png

ZdistAll.png

Per BCID

001

Xdist_1.png

Ydist_1.png

Zdist_1.png

Zdist_1_cut.png

201

Xdist_201.png

Ydist_201.png

Zdist_201.png

Zdist_201_cut.png

401

Xdist_401.png

Ydist_401.png

Zdist_401.png

Zdist_401_cut.png

-- SpencerGessner - 20-Jul-2010

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Topic revision: r2 - 2010-07-21 - SpencerGessner
 
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