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https://hdl.handle.net/11147/8472
Title: | Evidence for WW production from double-parton interactions in proton-proton collisions at root s=13 TeV | Authors: | Sirunyan, A. M. Tumasyan, A. Adam, W. Ambrogi, F. Bergauer, T. Brandstetter, J. Karapınar, Güler CMS Collaboration |
Keywords: | CMS Physics WW production |
Publisher: | Springer Verlag | Abstract: | A search forWWproduction 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 13 TeV. The analyzed data set corresponds to an integrated luminosity of 77.4 fb-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. | Description: | WOS: 000522202400001 | URI: | https://doi.org/10.1140/epjc/s10052-019-7541-6 https://hdl.handle.net/11147/8472 |
ISSN: | 1434-6044 1434-6052 |
Appears in Collections: | Rectorate / Rektörlük WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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