Sdobbs hdgeant comparisons
Below are some selected comparisons between hdgeant and hdgeant4. In the following comparisons. hdgeant is the blue histogram and hdgeant4 is the red histogram.
Unsmeared hdgeant output
Total charge deposited on CDC hits. Note that hdgeant4 appears to not have as many hits with small amounts of charge deposited.
Overall CDC hit timing distribution. Naomi is looking into this in more detail. The fall-off at large distance is perhaps better modeled, but this is used for both simulation and reconstruction, so it should be okay in any case to first order.
Overall FDC hit timing distribution.