Evidence for WW production from double-parton interactions in proton-proton collisions at √s=13TeV; European Physical Journal C; Vol. 80, iss. 1
| Parent link: | European Physical Journal C Vol. 80, iss. 1.— 2020.— [41, 41 p.] |
|---|---|
| Autor corporatiu: | |
| Altres autors: | , , , , , |
| Sumari: | Title screen 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. Режим доступа: по договору с организацией-держателем ресурса |
| Idioma: | anglès |
| Publicat: |
2020
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| Matèries: | |
| Accés en línia: | https://doi.org/10.1140/epjc/s10052-019-7541-6 |
| Format: | Electrònic Capítol de llibre |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=666358 |
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