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An embedding technique to determine ?? backgrounds in proton-proton collision data

Abstract: An embedding technique is presented to estimate standard model ?? backgrounds from data with minimal simulation input. In the data, the muons are removed from reconstructed ?? 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 ?s=13 TeV corresponding to an integrated luminosity of 41.5 fb-1.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: JINST 14 P06032 (2019)

Editorial: Institute of Physics

 Fecha de publicación: 01/06/2019

Nº de páginas: 57

Tipo de publicación: Artículo de Revista

 DOI: 10.1088/1748-0221/14/06/P06032

ISSN: 1748-0221

Url de la publicación: https://doi.org/10.1088/1748-0221/14/06/P06032