Chaotic strings and standard model parameters

Details Chaotic strings and standard model parameters Chaotic strings and standard model parameters

2001-05-16

arxiv.org/abs/hep-th/0105152v1

Physica D171 (2002) 72-106

Physics

High Energy Physics

High Energy Physics - Theory

41 pages, 18 figures. A more detailed version will appear as a book with the title `Spatio-temporal chaos and vacuum fluctuati

Scientific paper

10.1016/S0167-2789(02)00540-7

We introduce so-called chaotic strings (coupled 1-dimensional noise strings underlying the Parisi-Wu approach of stochastic quantization on a small scale) as a possible amendment of ordinary string theories. These strings are strongly self-interacting and exhibit strongest possible chaotic behavior. Constraints on the vacuum energy of the strings fix a certain discrete set of allowed string couplings. We provide extensive numerical evidence that these string couplings numerically coincide with running standard model coupling constants, evaluated at energy scales given by the masses of the known quarks, leptons and gauge bosons. Chaotic strings can thus be used to provide a theoretical argument why certain standard model parameters are realized in nature, others are not, assuming that the a priori free standard model parameters evolve to the minima of the effective potentials. The chaotic string spectrum correctly reproduces the numerical values of the electroweak and strong coupling constants with a precision of 4-5 digits, as well as the (free) masses of the known quarks and leptons with a precision of 3-4 digits. Neutrino mass predictions consistent with present experiments are obtained. The W boson mass also comes out correctly, and a Higgs mass prediction is obtained.

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