2017/11/13 by Rafiqul Rahaman, Rahaman, Rafiqul, Ritesh K. Singh +1
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #Particle physics theoretical and experimental studies
paper · pdf · doi:10.48550/arxiv.1711.04551
openalex publication_date 2017/11/13 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We study the anomalous W+W-V (V=\γ,Z) couplings in e+e-\→\nW+W- using the complete set of polarization observables of W boson with\nlongitudinally polarized beams. We use most general Lorentz invariant form\nfactors parametrization as well as SU(2)\× U(1) invariant dimension 6\neffective operators for the effective W+W-V couplings. We estimate\nsimultaneous limits on the anomalous couplings in both the parametrizations\nusing cross section, forward backward asymmetry and polarization observables of\nW boson with different kinematical cuts using Markov-Chain--Monte-Carlo\n(MCMC) method for an e+e- collider running at centre of mass energy of\n\√(s)=500 GeV and cal L=100 fb-1. The best limits on form\nfactors are obtained to be 1 \∼ 5 \× 10-2 for e- and e+\npolarization being (+0.4,-0.4). For operator's coefficients, the best limits\nare obtained to be 1\∼ 16 TeV-2.\n