What exactly is baryon mode?

I understand that baryon mode is a concept related to particle physics, but I'm curious to know more about it in detail. Can you explain what exactly baryon mode is? How does it differ from other modes of particle interactions, and what are its implications in the broader context of physics? Is it a recent discovery, or has it been known for some time? I'm particularly interested in understanding its potential applications and how it may impact our understanding of the universe.