Mathematica 9 is now available

Wolfram Library Archive


Courseware Demos MathSource Technical Notes
All Collections Articles Books Conference Proceedings
Title

Testable two-loop radiative neutrino mass model based on an LLQdcQdc e ffective operator
Authors

Paul W. Angel
Organization: University of Melbourne
Department: ARC Centre of Excellence for Particle Physics at the Terascale, School of Physics
Yi Cai
Organization: University of Melbourne
Department: ARC Centre of Excellence for Particle Physics at the Terascale, School of Physics
Nicholas L. Rodd
Organization: University of Melbourne
Department: ARC Centre of Excellence for Particle Physics at the Terascale, School of Physics
Michael A. Schmidt
Organization: University of Melbourne
Department: ARC Centre of Excellence for Particle Physics at the Terascale
Raymond R. Volkas
Organization: University of Melbourne
Department: ARC Centre of Excellence for Particle Physics at the Terascale, School of Physics
Journal / Anthology

Journal of High Energy Physics
Year: 2013
Issue: 10
Description

A new two-loop radiative Majorana neutrino mass model is constructed from the gauge-invariant e ective operator LiLjQkdcQldcikjl that violates lepton number conservation by two units. The ultraviolet completion features two scalar leptoquark avors and a color-octet Majorana fermion. We show that there exists a region of parameter space where the neutrino oscillation data can be tted while simultaneously meeting avorviolation and collider bounds. The model is testable through lepton avor-violating processes such as  ! e ,  ! eee, and N ! 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.
Subject

*Science > Physics
Keywords

Beyond Standard Model, Neutrino Physics