"Heavy quarks within electroweak multiplet"
Dr. Jaime Besprosvany, Instituto de Física, UNAM
Standard-model fields and their associated electroweak Lagrangian are
equivalently expressed in a shared spin basis. The scalar-vector terms are
written with scalar-operator components acting on quark-doublet elements,
and shown to be parametrization-invariant. Such terms, and the t- and
b-quark Yukawa terms are linked by the identification of the common
mass-generating Higgs operating upon the other fields, after acquiring a
vacuum expectation value v . Thus, the customary vector masses are related
to the fermions', fixing the t-quark mass m_t with the relation m_t^2+m_b^2=v^2/2,
either for maximal hierarchy, or given the b-quark mass m_b , implying
m_t =~ 173.9 GeV, for v=246 GeV. An interpretation follows that electroweak
bosons and heavy quarks belong in a multiplet.
[Ref. https://arxiv.org/abs/1701.01191]