Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.13091/4857
Title: | Observation of Same-Sign WW Production from Double Parton Scattering in Proton-Proton Collisions at Formula Presented | Authors: | Tumasyan, A. Adam, W. Andrejkovic, J.W. Bergauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. |
Keywords: | Maximum likelihood Signal processing Tellurium compounds A-center Center-of-mass energies Centre-of-mass energies CMS detectors Data sample Integrated luminosity Maximum-likelihood Parton scattering Proton proton collisions Scattering process Bosons article boson human luminance maximum likelihood method |
Publisher: | American Physical Society | Abstract: | The first observation of the production of Formula Presented bosons from double parton scattering processes using same-sign electron-muon and dimuon events in proton-proton collisions is reported. The data sample corresponds to an integrated luminosity of Formula Presented recorded at a center-of-mass energy of 13 TeV using the CMS detector at the CERN LHC. Multivariate discriminants are used to distinguish the signal process from the main backgrounds. A binned maximum likelihood fit is performed to extract the signal cross section. The measured cross section for production of same-sign Formula Presented bosons decaying leptonically is Formula Presented, whereas the measured fiducial cross section is Formula Presented. The observed significance of the signal is 6.2 standard deviations above the background-only hypothesis. © 2023 CERN, for the CMS Collaboration. | URI: | https://doi.org/10.1103/PhysRevLett.131.091803 https://hdl.handle.net/20.500.13091/4857 |
ISSN: | 0031-9007 |
Appears in Collections: | PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collections Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections |
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