Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2011-09-14
Physics
High Energy Physics
High Energy Physics - Theory
15 pages
Scientific paper
We consider Yukawa couplings in a theta-exact approach to noncommutative gauge field theory and show that both Dirac and singlet Majorana neutrino mass terms can be consistently accommodated. This shows that in fact the whole neutrino-mass extended standard model on noncommutative spacetime can the formulated in the new nonperturbative (in theta) approach which eliminates the previous restriction of Seiberg-Witten map based theories to low-energy phenomena. Spacetime noncommutativity induced couplings between neutrinos and photons as well as Z-bosons appear quite naturally in the model. We derive relevant Feynman rules for the type I seesaw mechanism.
Horvat Raul
Ilakovac Amon
Schupp Peter
Trampetic Josip
You Jiangyang
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