Fermion contribution to the static quantities of arbitrarily charged vector bosons

Details Fermion contribution to the static quantities of arbitrarily charged vector bosons Fermion contribution to the static quantities of arbitrarily charged vector bosons

2004-05-02

arxiv.org/abs/hep-ph/0405008v1

J.Phys. G30 (2004) 1299

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 3 figures, submitted to Journal of Physics G

Scientific paper

10.1088/0954-3899/30/9/026

We present an analysis of the one-loop contribution from left- and right-handed fermions to the static electromagnetic properties of an arbitrarily charged no self-conjugate vector boson $V$. Particular emphasis is given to the case of a no self-conjugate neutral boson $V^0$. Regardless the electric charge of the $V$ boson, a fermionic loop can induce the two CP-even form factors but only one CP-odd. As a result the corresponding electric dipole moment is directly proportional to the magnetic quadrupole moment. The CP-odd form factor might be severely suppressed since it requires the presence of both left- and right-handed fermions. The behavior of the form factors is analyzed for several scenarios of the fermion masses in the context of the decoupling theorem.

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