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BIBLIOGRAFIA prodotta dal laboratorio



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An embedding technique to determine ττ backgrounds in proton-proton collision data
Autori A. M. Sirunyan et al. (CMS Collaboration)  Anno 2019
Tipologia Articolo Rivista internazionale con referaggio
Abstract An embedding technique is presented to estimate standard model ττ backgrounds from data with minimal simulation input. In the data, the muons are removed from reconstructed μμ 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.
Referenza_Bibliografica Journal of Instrumentation 14 (2019) P06032
Riferimento WEB https://arxiv.org/abs/1903.01216
Unita di Ricerca NUCAP
LastUpdate 05/03/2020
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