DIANA Meeting - Unfolding in HEP

Monday 13 Nov 2017, 17:30 → 18:30 Europe/Zurich

40/R-B10 (CERN)

Vincent Alexander Croft (New York University (US))

Recorded Meeting Video - https://www.youtube.com/watch?v=2kZ7tNGtGHQ

17:30 → 17:50 RooUnfold: A history, scope and status.

A history of RooUnfold and its scope within the software / physics analysis ecosystem followed by a status report of the project.

Speaker: Dr Tim Adye (STFC - Rutherford Appleton Lab. (GB))

RooUnfold

17:50 → 18:00 Physics considerations for comparing unfolding algorithms

Comparisons between new and established unfolding algorithms and how these differences impact the physics result.

Speaker: Christopher John Meyer (University of Pennsylvania (US))

2017-11-13_MeyerChris_DIANA-HEP_UnfoldingBias.pdf

18:00 → 18:20 A statistician's view on current unfolding software

A focus on uncertainty quantification in unfolding and a discussion of areas where, from the methodological perspective, the current software should be improved.

Speaker: Mikael Kuusela (Ecole Polytechnique Federale de Lausanne (CH), Univ. of California Los Angeles (US))

DIANA_Nov_2017.pdf

18:20 → 18:30 Unfolding in python

An investigation into implementing unfolding outside of the ROOT environment. First comparisons with standard libraries used for solving similar inverse problems and mapping inversions.

• Time for discussions

Speaker: Vincent Alexander Croft (New York University (US))

UnfoldingInPython.pdf