On an Intensity-Ratio Equivalence for Two Top-Quark Decay Couplings

Details On an Intensity-Ratio Equivalence for Two Top-Quark Decay Couplings On an Intensity-Ratio Equivalence for Two Top-Quark Decay Couplings

2004-11-04

arxiv.org/abs/hep-ph/0411072v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, 1 post-script table

Scientific paper

For the t --> W b decay mode, an intensity-ratio equivalence for two distinct Lorentz-invariant couplings is shown to be a consequence of symmetries of tWb-transformations. Three explicit tWb-transformations connect the four standard model's (SM) helicity amplitudes and the amplitudes in the case of an additional chiral-tensorial-coupling of relative strength 53 GeV. Such a coupling will arise if there is a large t_R --> b_L chiral weak-transition-moment. Two commutator plus anti-commutator symmetry algebras are generated from the 3 transformation matrices. Using these transformations, the associated mass scales are related to the SM's electroweak scale v_EW = 246GeV$.

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