KWFIT Examples

• Example 1. Make a list of pions and a list of kaons in the KWFIT track list. With the pion list do the following

1. Check to see that each pion is consistent with coming from the beam spot. Make a list of these tracks.
2. With this updated list, make a primary vertex without updating the original tracks
3. Take each pion contributing to the primary vertex and find the chisquare for it to pass through the new vertex.