2006/01/31 by M. Mohammadi Najafabadi, Mojtaba Mohammadi Najafabadi · 2 citations
Physics and Astronomy · #Coupling (piping) #Electron #Lepton #Neutrino Physics Research #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #Quark #Spectral line #Spin (aerodynamics) #Standard Model (mathematical formulation) #Top quark #hep-ph
paper · pdf · doi:10.1088/0954-3899/34/1/003
published as J.Phys.G34:39-46,2007 · 9 pages, 5 figures
arxiv created 2006/08/22 · openalex publication_date 2006/10/27 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
An analytic expression for energy and angular dependence of a secondary charged lepton in the decay of a polarized top quark with anomalous tWb couplings in the presence of all anomalous couplings are derived. The angular distribution of the b -quark is derived as well. It is presented that the charged lepton spin correlation coefficient is not very sensitive to the anomalous couplings. However, the b -quark spin correlation coefficient is sensitive to anomalous couplings and could be used as a powerful tool in the search for non-SM coupling.