How to remove the branch from tree?

[Manish]

Dear expert,
I want to rename the existing branch in the root file and then remove the previous one.
Can you suggest me how to remove the existing root file?
I also attached the script below.clone.C (806 Bytes)

[dastudillo]

Rename Branch

Dear supporters, one branch in my tree is made from a TClonesArray of objects of a certein class “tracks”. According to the split level, this results in a number of sub-braches each containing a single leaf. Both the leaf and the sub-branch for a variable x have names “tracks.x” and titles “x[tracks_]”. Unfortunately the variable names in this class are not very informative. Can I change the names of my sub-branches? Can I say: What must I take into account? Must sub-branch and leaf necessar…