Hamburg 2016 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 3: Higgs-Boson (assoziierte Produktion) I

T 3.3: Vortrag

Montag, 29. Februar 2016, 11:30–11:45, VMP5 HS B1

Improved Identification of Boosted Higgs Bosons with the ATLAS Detector — •Merve Sahinsoy — Ruprecht-Karls-Universitaet Heidelberg, Kirchhoff-Institute for Physics

The identification of highly boosted particles becomes more significant in many new physics searches with the increased center of mass energy in Run 2 of LHC. Methods for the identification of high-momentum Higgs bosons decaying to bb pairs have been developed and used. This study investigates the effect of different jet substructure techniques on Higgs mass reconstruction from large radius jets, with a particular focus on the high invariant mass region of H->bb pairs. In previous studies, a significant contribution from misreconstructed H->bb decays has been observed. This work studies the origin of this contribution through a systematic study of jet substructure techniques, and attemps to identify configurations which ameliorate this effect.