Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.11851/9745
Title: | Jet reconstruction and performance using particle flow with the ATLAS Detector | Authors: | Aaboudd, M. Aad, G. Abbott, B. Abdallah, J. Abdinov, O. Abeloos, B. Adelman, J. |
Keywords: | Pair Production Cross-Section Hadron Plus |
Publisher: | Springer | Abstract: | This paper describes the implementation and performance of a particle flow algorithm applied to 20.2 fb(-1) of ATLAS data from 8 TeV proton-proton collisions in Run 1 of the LHC. The algorithm removes calorimeter energy deposits due to charged hadrons from consideration during jet reconstruction, instead using measurements of their momenta from the inner tracker. This improves the accuracy of the charged-hadron measurement, while retaining the calorimeter measurements of neutral-particle energies. The paper places emphasis on how this is achieved, while minimising double-counting of charged-hadron signals between the inner tracker and calorimeter. The performance of particle flow jets, formed from the ensemble of signals from the calorimeter and the inner tracker, is compared to that of jets reconstructed from calorimeter energy deposits alone, demonstrating improvements in resolution and pile-up stability. | URI: | https://doi.org/10.1140/epjc/s10052-017-5031-2 https://hdl.handle.net/20.500.11851/9745 |
ISSN: | 1434-6044 1434-6052 |
Appears in Collections: | PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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