Higgs- and Goldstone bosons-mediated long range forces

Details Higgs- and Goldstone bosons-mediated long range forces Higgs- and Goldstone bosons-mediated long range forces

1998-10-30

arxiv.org/abs/hep-ph/9810550v1

Phys.Rev. D59 (1999) 075009

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages (REVTeX), 2 figures

Scientific paper

10.1103/PhysRevD.59.075009

In certain mild extensions of the Standard Model, spin-independent long range forces can arise by exchange of two very light pseudoscalar spin--0 bosons. In particular, we have in mind models in which these bosons do not have direct tree level couplings to ordinary fermions. Using the dispersion theoretical method, we find a $1/r^{3}$ behaviour of the potential for the exchange of very light pseudoscalars and a $1/r^{7}$ dependence if the pseudoscalars are true massless Goldstone bosons.

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