On the Top Quark's Chiral Weak-Moment

Details On the Top Quark's Chiral Weak-Moment On the Top Quark's Chiral Weak-Moment

2003-04-21

arxiv.org/abs/hep-ph/0304198v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, one "ps" table

Scientific paper

For the observed t --> W b decay, an intensity-ratio equivalence-theorem for two Lorentz-invariant couplings is shown to be related to symmetries of tWb-transformations. Three explicit tWb-transformations, A_{+}=M A_{SM}, ... relate the four standard model's helicity amplitudes, A_{SM}, and the amplitudes A_{+} in the case of an additional t_R --> b_L weak-moment of relative strength Lambda_{+} =E_W /2 = 53 GeV. Two commutator plus anti-commutator symmetry algebras are generated from M, P, B. These transformations enable a simple and uniform characterization of the values of Lambda_{+}, m_W/m_t, and m_b/m_t.

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