Higgs scattering in SMEFT is analyzed with von Neumann entropy, linear entropy, and concurrence as momentum-isospin entanglement measures, determined by Wilson coefficients of dimension-6 and dimension-8 operators, revealing energy growth, interference cancellations, suppression conditions, and link
Study of vector boson scattering and search for new physics in events with two same-sign leptons and two jets
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abstract
A study of vector boson scattering in pp collisions at a center-of-mass energy of 8 TeV is presented. The data sample corresponds to an integrated luminosity of 19.4 inverse femtobarns collected with the CMS detector. Candidate events are selected with exactly two leptons of the same charge, two jets with large rapidity separation and dijet mass, and moderate missing transverse energy. The signal region is expected to be dominated by electroweak same-sign W-boson pair production. The observation agrees with the standard model prediction. The observed significance is 2.0 standard deviations, where a significance of 3.1 standard deviations is expected based on the standard model. Cross section measurements for W+/- W+/- and WZ processes in the fiducial region are reported. Bounds on the structure of quartic vector-boson interactions are given in the framework of dimension-eight effective field theory operators, as well as limits on the production of doubly-charged Higgs bosons.
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UNVERDICTED 3representative citing papers
Spin-correlation asymmetries in same-sign WW production yield sensitivity to anomalous WWWW couplings comparable to transverse-mass distributions, and their combination improves Wilson-coefficient limits while respecting unitarity cuts.
CMS observes electroweak W±W± and WZ production with two jets at 13.6 TeV with >5σ significance in all-leptonic final states using 171 fb⁻¹ of data.
citing papers explorer
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Higgs Scattering and Entanglement in SMEFT
Higgs scattering in SMEFT is analyzed with von Neumann entropy, linear entropy, and concurrence as momentum-isospin entanglement measures, determined by Wilson coefficients of dimension-6 and dimension-8 operators, revealing energy growth, interference cancellations, suppression conditions, and link
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Probing anomalous quartic gauge couplings in same-sign $W$ boson scattering with polarization and spin correlation
Spin-correlation asymmetries in same-sign WW production yield sensitivity to anomalous WWWW couplings comparable to transverse-mass distributions, and their combination improves Wilson-coefficient limits while respecting unitarity cuts.
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First measurements of vector boson scattering in W$^\pm$W$^{\pm}$ and WZ production in all-leptonic final states at $\sqrt{s}$ = 13.6 TeV
CMS observes electroweak W±W± and WZ production with two jets at 13.6 TeV with >5σ significance in all-leptonic final states using 171 fb⁻¹ of data.