Würzburg 2018 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 3: Higgs I
T 3.9: Vortrag
Montag, 19. März 2018, 18:00–18:15, Philo-HS3
Measurement of the tau energy scale for Higgs analyses in the di-tau final state with the ATLAS experiment — •Michael Hübner, Philip Bechtle, Klaus Desch, Christian Grefe, and Peter Wagner — Universität Bonn
The decay of the Higgs boson into fermions, and tau leptons especially, is an interesting way to test the Standard Model. With this decay it is possible to probe, among other things, the Yukawa coupling of the Higgs to fermions and to test if the Higgs boson is a purely CP-even scalar or a CP-mixture.
The tau energy scale is one of the most important systematics for the Higgs coupling analysis. I will show a method to measure the tau energy scale with better precision than the conventionally used method. Additionally, it is possible to extract the energy scale for π0s at the same time as the tau energy scale with the presented method.