dilaton


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dilaton

[′dī·lə‚tän]
(particle physics)
A hypothetical elementary particle having zero mass and zero spin, which is introduced in constructing a scale invariant theory involving massive particles.
References in periodicals archive ?
4) Holographic realization of the Higgs boson: study of properties of a naturally light dilaton.
We have determined that when the Higgs condensate disappeared to make way for the particles that exist today, the equations permitted the existence of a new, massless particle, the dilaton," explained EPFL physicist Daniel Zenhausern.
A little more work (use the string and dilaton equations in [10]) on the numbers <[[tau].
Petropoulos, Ricci flows and expansion in axion dilaton cosmology, arXiv:hep-th/0610281.
Subsequent chapters describe scalar perturbations, the anisotropy spectrum of the CMB radiation, dilaton phenomenology, and elements of brane cosmology.
At higher orders in the electric charge one encounters corrections to the propagation of waves induced by the presence of a non vanishing dilaton.