Hadronic decay refers to the process by which a subatomic particle composed of quarks and gluons, known as a hadron, breaks apart into other hadrons or particles. This occurs due to the strong nuclear force, which governs the interactions between quarks inside hadrons. Studying hadronic decay is important in the field of particle physics as it provides crucial information about the internal structure and properties of hadrons, as well as insights into the fundamental forces that govern their interactions. By measuring the products of hadronic decay, researchers can determine the mass, spin, and other characteristics of the original particle. Experimental facilities such as particle colliders like the Large Hadron Collider (LHC) at CERN are used to study hadronic decay by smashing high-energy particles together and observing the resulting particle showers. Researchers analyze the data collected from these collisions to understand the dynamics of hadronic decay and test predictions made by theoretical models. Overall, research on hadronic decay plays a significant role in advancing our understanding of the building blocks of matter and the fundamental forces of nature.