Plasma recombination is when different particles in plasma come together to form new atoms. It's kind of like when you are building with Legos, and instead of having lots of small pieces by themselves, you put them together to make a bigger piece.
Plasma is a special type of gas that has its own special properties. It's made up of ions and free electrons that are floating around in space or in a laboratory. These particles have a special charge, and they bounce around and collide with each other all the time.
When some of the ions and free electrons in the plasma come together, they can stick to each other and form a new type of particle called an atom. An atom is made up of a nucleus (which has protons and neutrons) and electrons that orbit around the nucleus.
The process of plasma recombination is important in many different areas of science and technology, including plasma physics, astrophysics, and plasma processing. It can help scientists understand how stars and other celestial bodies work, how plasmas can be used to create new materials, and how to control reactions in the plasma.
So, in simple words, plasma recombination is the process of ions and electrons coming together to make a new atom. This happens in special types of gas called plasma, which scientists study to understand the world around us.