Leonhard Reichenbach

Results 3 issues of Leonhard Reichenbach

Looks like FCCAnalyses might not close the output files correctly? They are missing streamer infos needed to be viewed with jsroot. see: https://github.com/root-project/jsroot/issues/259

### Check duplicate issues. - [X] Checked for duplicates ### Description Depending on the mixture of 4-vector types and the order of operations the result can change, e.g. lv1 -...

bug

# This Pull request: ## Changes or fixes: Adds a `Cov` method to compute covariance matrices, as the title says :) ## Checklist: - [x] tested changes locally - [...