Is the Higgs a visible particle ?

TL;DR

This paper proposes that the Higgs boson may be unobservable as a free particle because of a new vacuum definition, altering its propagator and aligning with the idea that it might not be directly detectable.

Contribution

It introduces a novel vacuum definition that modifies the Higgs propagator, suggesting the Higgs may not be a freely observable particle within the standard model framework.

Findings

Higgs propagator becomes half advanced and half retarded

Higgs may not exist as a free particle due to the new Green function

Standard model remains consistent with the new vacuum definition

Abstract

We suggest that the Higgs might be unobservable as a free particle, due to its origin at a symmetry breaking mechanism. The standard model is kept intact, only the definition of the vacuum for the Higgs is changed. With the new (natural) definition, the Higgs propagator is half advanced and half retarded. This Green function is compatible with the absence of free particles.