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23 April 2024 |
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Mass protection via translational invariance | | J.L. Alonso
; Ph. Boucaud
; J.M. Carmona
; J.L. Cortes
; J. Polonyi
; A.J. van der Sijs
; | | Date: |
23 Jul 1998 | | Journal: | Mod.Phys.Lett. A14 (1999) 2277-2285 | | Subject: | hep-th hep-lat hep-ph | | Abstract: | We propose a way of protecting a Dirac fermion interacting with a scalar field from acquiring a mass from the vacuum. It is obtained through an implementation of translational symmetry when the theory is formulated with a momentum cutoff, which forbids the usual Yukawa term. We consider that this mechanism can help to understand the smallness of neutrino masses without a tuning of the Yukawa coupling. The prohibition of the Yukawa term for the neutrino forbids at the same time a gauge coupling between the right-handed electron and neutrino. We prove that this mechanism can be implemented on the lattice. | | Source: | arXiv, hep-th/9807181 | | Services: | Forum | Review | PDF | Favorites | |
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