Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 52: Higgs-Zerfälle in Fermionen II

T 52.5: Vortrag

Mittwoch, 27. März 2019, 17:00–17:15, H04

Studies towards improving the Missing Mass Calculator at the ATLAS experiment — •Michael Hübner, Philip Bechtle, Klaus Desch, Christian Grefe, Lara Schildgen, Peter Wagner, and Martin Werres — Universität Bonn

The Missing Mass Calculator (MMC) is a well-established likelihood-based tool that is used in a variety of analyses studying particles decaying into two tau leptons, such as the H→ττ coupling measurement. It reconstructs the invariant mass of the ditau system which can then be used to distinguish signal and background processes.

Developments in the tau reconstruction over the last years, e.g. the new possibility of hadronic tau decay mode classification, have been targeted to be propagated to the MMC. I will introduce the concepts behind this tool and what I have done in order to incorporate the aforementioned improvements in the tau reconstruction.