ELI5: Explain Like I'm 5

Lorentz-violating neutrino oscillations

Do you know what neutrinos are? They are like tiny particles that are so small that they can go through anything, even solid matter like walls. Now, sometimes, these neutrinos change their flavors, just like you may change your clothes, from one type to another type while they travel from one place to another. This process is called oscillation.

Now, scientists have found that there is a possibility that this oscillation process may not follow all the same rules that we thought it did. These rules are called "Lorentz symmetry."

Lorentz symmetry is like the rules of the game that scientists use to study particles like neutrinos. It states that the laws of physics are the same for all observers, no matter how they are moving. Think of it like playing a game of soccer where everyone has to follow the same rules, no matter which team they are on or how they are playing the game.

But sometimes, scientists find that the neutrinos may not follow all of these rules, and they call this "Lorentz violation." It's like someone playing soccer but not following all the rules of the game.

So, Lorentz-violating neutrino oscillations means that sometimes, these tiny neutrinos may not follow all the rules that scientists thought they did when they change their flavors. Scientists are still trying to understand more about why and how this happens, but it is very interesting and important for our understanding of the universe.