Difference: PolarizationMadevent (46 vs. 45)

Revision 45
08 May 2008 - Main.SarahHeim
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META TOPICPARENT name="SingleTopPolarization"

Single Top Polarization for MadGraph s-channel sample

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madeventschannel2000.jpg
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For an incoming beam of 200 GeV and a minimum PT of 100 GeV for the bottom quark, we get D = 0.90 +/- 0.02. So it can be assumed that Madevent doesn't give the expected 100 % polarization because it makes approximations (e.g. the bottom quark being massless).
 

5. References

1. The madgraph website: http://madgraph.hep.uiuc.edu/
 
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