Yukawa couplings and seesaw neutrino masses in noncommutative gauge theory (CROSBI ID 189538)
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Podaci o odgovornosti
Horvat, Raul ; Ilakovac, Amon ; Schupp, Peter ; Trampetić, Josip ; You, Jiangyang
engleski
Yukawa couplings and seesaw neutrino masses in noncommutative gauge theory
We consider Yukawa couplings in a θ-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 be formulated in the new nonperturbative (in θ) 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.
noncommutative gauge field theory; Yukawa couplings; neutrino interactions
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