Okay kiddo, picture a bunch of tiny particles that make up everything around us, like you and me and the playground. These particles have something called mass, which is basically how heavy they are. Scientists wanted to know why some particles have more mass than others, so they came up with a really cool idea called the Higgs field.
The Higgs field is like a big, invisible ocean that fills all of space. Whenever a particle moves through this ocean, it interacts with something called the Higgs boson, which gives it some of its mass. Kind of like how a swimmer feels resistance when they move through water.
Now, a Higgs bundle is a fancy way of describing the properties of particles that interact with the Higgs field. Imagine a package with a bunch of different things inside, like a toy, a book, and a sticker. A Higgs bundle is like the "package" of properties that particles have when they interact with the Higgs field. It includes things like the particle's energy and spin, as well as how it interacts with other particles.
So, scientists use the idea of a Higgs bundle to study how particles interact with the Higgs field and ultimately gain mass. It helps them understand what makes some particles heavier than others, which is pretty cool stuff!