Bosonic Seesaw in the Unparticle Physics

TL;DR

This paper explores how unparticle physics can naturally realize the bosonic seesaw mechanism, providing a novel approach to electroweak symmetry breaking through conformal symmetry breaking and mass matrix diagonalization.

Contribution

It demonstrates that unparticle physics can naturally implement the bosonic seesaw mechanism, linking conformal symmetry breaking to electroweak symmetry breaking.

Findings

Unparticle-Higgs mixing induces electroweak symmetry breaking.

Conformal invariance ensures zero in the (1,1) element of the mass matrix.

The framework offers a natural realization of the bosonic seesaw mechanism.

Abstract

Recently, conceptually new physics beyond the Standard Model has been proposed by Georgi, where a new physics sector becomes conformal and provides "unparticle" which couples to the Standard Model sector through higher dimensional operators in low energy effective theory. Among several possibilities, we focus on operators involving the (scalar) unparticle, Higgs and the gauge bosons. Once the Higgs develops the vacuum expectation value (VEV), the conformal symmetry is broken and as a result, the mixing between the unparticle and the Higgs boson emerges. In this paper, we consider a natural realization of bosonic seesaw in the context of unparticle physics. In this framework, the negative mass squared or the electroweak symmetry breaking vacuum is achieved as a result of mass matrix diagonalization. In the diagonalization process, it is important to have zero value in the (1,1)-element of the mass matrix. In fact, the conformal invariance in the hidden sector can actually assure the zero of that element. So, the bosonic seesaw mechanism for the electroweak symmetry breaking can naturally be understood in the framework of unparticle physics.