Yes, there are Feynman diagrams that can depict the creation of a baryon (a composite particle made up of three quarks) from non-baryonic particles. However, it is important to note that the creation of baryons from non-baryonic particles is a complex process that involves the strong nuclear force, which is described by quantum chromodynamics (QCD). Feynman diagrams are a visual tool used to represent particle interactions, but they do not provide a complete description of the underlying physics.
In QCD, the strong nuclear force is mediated by particles called gluons, which interact with quarks. The exchange of gluons between quarks leads to the formation and binding of baryons. These interactions involve a complex interplay of quark-antiquark pairs, gluon emissions, and absorptions.
The specific Feynman diagram representing the creation of a baryon from non-baryons would depend on the details of the process being considered. It would involve interactions among quarks, antiquarks, and gluons. However, it is important to note that baryon formation and the dynamics of QCD are challenging to describe precisely using Feynman diagrams alone. Advanced techniques, such as lattice QCD simulations, are often employed to study these processes.
Baryons, including protons and neutrons, are believed to have originated shortly after the Big Bang during a phase known as nucleosynthesis. At high energies and temperatures, the universe was filled with a dense plasma of quarks and gluons, referred to as the quark-gluon plasma. As the universe expanded and cooled, the quarks combined and formed colorless bound states, resulting in the creation of baryons and mesons.
The detailed mechanisms and dynamics of baryon formation in the early universe and in high-energy collisions are the subject of ongoing research and experimentation, particularly at particle accelerators such as the Large Hadron Collider (LHC). Through experiments and theoretical investigations, scientists strive to understand the fundamental processes that give rise to the formation of baryonic matter and the properties of the strong nuclear force.