A kaon is a type of subatomic particle known as a meson, which is made up of a quark and an antiquark. It is part of the Standard Model of particle physics and comes in several varieties, including the charged K+ and K- mesons, as well as the neutral K0 meson. Kaons are important for studying the interactions of fundamental particles and the forces that govern them. Kaons are particularly interesting because they exhibit a phenomenon called CP violation, which refers to the differences in behavior between particles and their antiparticles. This violation is crucial for understanding the matter-antimatter asymmetry in the universe. Kaons are produced in high-energy collisions, such as those in particle accelerators like the Large Hadron Collider.