PoS - Proceedings of Science
Volume 336 - XIII Quark Confinement and the Hadron Spectrum (Confinement2018) - H. Statistical Methods for Physics Analysis in the XXI Century
Continuous signal modelling in a multidimensional space of coupling parameters
L. Brenner*  on behalf of the ATLAS Collaboration
Full text: pdf
Pre-published on: September 12, 2019
Published on: September 26, 2019
The plans for the second Run of the LHC changes the focus in the Higgs sector from searches to precision measurements. Effective Lagrangians can be used for parameterisation. A signal morphing method is developed to take all parameters into account simultaneously and model interference effects. It provides a continues description of arbitrary physical signal observables such as cross sections or differential distributions in a multidimensional space of coupling parameters. This method is capable of morphing signal distributions and rates based on a minimal orthogonal set of independent base samples and therefore allows to directly fit the coupling parameters that describe the Standard Model and possible non-Standard Model interactions for, for example, the Higgs boson.
DOI: https://doi.org/10.22323/1.336.0228
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