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T: Fachverband Teilchenphysik

T 70: Higgs: Decay into fermions II

T 70.7: Vortrag

Donnerstag, 2. April 2020, 18:00–18:15, H-HS I

Making a Higgs to tau leptons coupling analysis at ATLAS: Behind the Scenes — •Michael Hübner, Philip Bechtle, Klaus Desch, Christian Grefe, Lara Schildgen, and Peter Wagner — Universität Bonn

What are necessary ingredients to an analysis at ATLAS? Taking the previous instalment of the measurement of the H→ττ rate from ATLAS [https://arxiv.org/abs/1811.08856], a very complex analysis can be described on only 29 pages. The experimental uncertainties are presented in less than one page. But what needs to happen behind the scenes to derive all these results?

This talk will cover some key aspects of the H→ττ measurement that require a lot of work but which are not obvious at first glance: How is the key observable for this analysis defined and what has to be done to use it?
How to estimate experimental uncertainties and how to improve those estimates?
What kind of technical infrastructure and code frameworks are needed to arrive at the final result?