Higgs– and Goldstone bosons–mediated long range forces
نویسنده
چکیده
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/r3 behaviour of the potential for the exchange of very light pseudoscalars and a 1/r7 dependence if the pseudoscalars are true massless Goldstone bosons. Typeset using REVTEX [email protected] [email protected]
منابع مشابه
Higgs- and Goldstone-boson-mediated long range forces
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 behavior of the potential for the exchange of very light pseudoscal...
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تاریخ انتشار 1998