Abstract
While looking for the putative Higgs boson of the Standard Model of particle physics, recently, the CMS and the ATLAS experiments at CERN have found strong signals of a new particle at about 125GeV. However in July 2012 the decay channels of this particle had some unexpected and puzzling anomalies not explainable by the Standard Model. By March 2013 they had seen these signals at about well less than 3\( \sigma\) confidence level. It is expected that the final definitive analysis shall still take quite some time. Here we show that what they may have found at 125GeV is the long sought for and missing ingredient of the strong interaction: the sigma-meson of the Chiral Sigma Model, within the framework of the Skyrme model with a topological interpretation of the baryons. Just like a massless gauge boson is a requirement, and hence a prediction of the local gauge theories, in the the same manner, a very heavy scalar meson is a requirement and hence a prediction of the Skyrme model of the hadrons. The 125GeV particle discovered by the CMS and the ATLAS groups may be an experimental confirmation of this unique prediction of the topological Skyrme model. However the bottom line is that even if the experimentalists finally confirm that this 125GeV entity is the expected Higgs boson, then there still remains to discover another heavier scalar particle as the sigma-meson of the chiral sigma model/Skyrme model, which remains its unique prediction, as shown in this paper.
Highlights
While looking for the putative Higgs boson of the Standard Model of particle physics, recently, the CMS and the ATLAS experiments at CERN have found strong signals of a new particle at about 125 GeV
As pointed out by the Particle Data Group [3], in the hadron physics jargon, this missing σ particle is called “the Higgs boson of the strong interaction”
It is true that, on the basis of chiral sigma models and their various extensions [4,5,6], it is a natural physical expectation that the sigma meson have a mass of the order of the strong interaction, and that is about 1 GeV or so
Summary
While looking for the putative Higgs boson of the Standard Model of particle physics, recently, the CMS and the ATLAS experiments at CERN have found strong signals of a new particle at about 125 GeV. It is true that, on the basis of chiral sigma models and their various extensions [4,5,6], it is a natural physical expectation that the sigma meson have a mass of the order of the strong interaction, and that is about 1 GeV or so.
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