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https://hdl.handle.net/11147/8472
Title: | Evidence for Ww Production From Double-Parton Interactions in Proton–proton Collisions at √s=13tev | Authors: | Sirunyan, A.M. Tumasyan, A. Adam, W. Ambrogi, F. Bergauer, T. Brandstetter, J. Snigirev, A. |
Keywords: | CMS Physics WW production |
Publisher: | Springer Nature | Abstract: | A search for WW production from double-parton scattering processes using same-charge electron-muon and dimuon events is reported, based on proton-proton collision data collected at a center-of-mass energy of 13TeV. The analyzed data set corresponds to an integrated luminosity of 77.4fb-1, collected using the CMS detector at the LHC in 2016 and 2017. Multivariate classifiers are used to discriminate between the signal and the dominant background processes. A maximum likelihood fit is performed to extract the signal cross section. This leads to the first evidence for WW production via double-parton scattering, with a significance of 3.9 standard deviations. The measured inclusive cross section is 1.41±0.28(stat)±0.28(syst)pb. © 2020, CERN for the benefit of the CMS collaboration. | Description: | WOS: 000522202400001 | URI: | https://doi.org/10.1140/epjc/s10052-019-7541-6 | ISSN: | 1434-6044 |
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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