Details

Autor(en) / Beteiligte

• Angel, Paul W
• Cai, Yi
• Rodd, Nicholas L
• Schmidt, Michael A
• Volkas, Raymond R

Titel

Testable two-loop radiative neutrino mass model based on an LLQd^sup c^Qd^sup c^ effective operator

Ist Teil von

• The journal of high energy physics, 2013-10, Vol.2013 (10), p.1

Ort / Verlag

Heidelberg: Springer Nature B.V

Erscheinungsjahr

2013

Quelle

SpringerLink_现刊

Beschreibungen/Notizen

• A new two-loop radiative Majorana neutrino mass model is constructed from the gauge-invariant effective operator L ^sup i^ L ^sup j^ Q ^sup k^ d ^sup c^ Q ^sup l^ d ^sup c^ ^sub ik^ ^sub jl^ that violates lepton number conservation by two units. The ultraviolet completion features two scalar leptoquark flavors and a color-octet Majorana fermion. We show that there exists a region of parameter space where the neutrino oscillation data can be fitted while simultaneously meeting flavor-violation and collider bounds. The model is testable through lepton flavor-violating processes such as [mu] [arrow right] eγ, [mu] [arrow right] eee, and [mu]N [arrow right] eN conversion, as well as collider searches for the scalar leptoquarks and color-octet fermion. We computed and compiled a list of necessary Passarino-Veltman integrals up to boxes in the approximation of vanishing external momenta and made them available as a Mathematica package, denoted as ANT.