Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8527
Title: An embedding technique to determine tau tau backgrounds in proton-proton collision data
Authors: Karapınar, Güler
CMS Collaboration
Keywords: Pattern recognition, cluster finding, calibration and fitting methods
Performance of High Energy Physics Detectors
Issue Date: 2019
Publisher: IOP Publishing Ltd.
Abstract: An embedding technique is presented to estimate standard model tau tau backgrounds from data with minimal simulation input. In the data, the muons are removed from reconstructed mu mu events and replaced with simulated tau leptons with the same kinematic properties. In this way, a set of hybrid events is obtained that does not rely on simulation except for the decay of the tau leptons. The challenges in describing the underlying event or the production of associated jets in the simulation are avoided. The technique described in this paper was developed for CMS. Its validation and the inherent uncertainties are also discussed. The demonstration of the performance of the technique is based on a sample of proton-proton collisions collected by CMS in 2017 at root s = 13 TeV corresponding to an integrated luminosity of 41.5 fb(-1).
URI: https://doi.org/10.1088/1748-0221/14/06/P06032
https://hdl.handle.net/11147/8527
ISSN: 1748-0221
Appears in Collections:Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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