Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/10570
Title: Performance of the CMS missing transverse momentum reconstruction in pp data at root s=8 TeV
Authors: Khachatryan, V.
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Bergauer, T.
Dragicevic, M.
CMS Collaboration
Keywords: Large detector-systems performance
Missing Transverse Energy studies
Performance of High Energy Physics Detectors
Issue Date: 2015
Publisher: IOP Publishing Ltd.
Abstract: The performance of missing transverse energy reconstruction algorithms is presented using root s = 8 TeV proton-proton (pp) data collected with the CMS detector. Events with anomalous missing transverse energy are studied, and the performance of algorithms used to identify and remove these events is presented. The scale and resolution for missing transverse energy, including the effects of multiple pp interactions (pileup), are measured using events with an identified Z boson or isolated photon, and are found to be well described by the simulation. Novel missing transverse energy reconstruction algorithms developed specifically to mitigate the effects of large numbers of pileup interactions on the missing transverse energy resolution are presented. These algorithms significantly reduce the dependence of the missing transverse energy resolution on pileup interactions. Finally, an algorithm that provides an estimate of the significance of the missing transverse energy is presented, which is used to estimate the compatibility of the reconstructed missing transverse energy with a zero nominal value.
URI: https://doi.org/10.1088/1748-0221/10/02/P02006
https://hdl.handle.net/10570
ISSN: 1748-0221
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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