Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.’s Open University. Follow him on Twitter @sciencef1rst.
The first suggested source for antinuclei is the interaction between high-energy cosmic radiation, which originates from outside theThe other suggested source of antinuclei is the annihilation of dark matter particles that are spread throughout the. While scientists know little about dark matter, they are certain that it is not comprised of particles like protons and neutrons that make up the everyday matter that forms stars, planets and us.
This flux is dependent on several factors, including the antimatter source, the rate at which it produces antinuclei, and the rate at which the antinuclei disappear as they journey from the center of our galaxy to Earth. This disappearance occurs when antimatter particles meet particles of traditional matter; either both are annihilated or the antimatter is absorbed by the matter.
Using a computer program, the researchers then simulated the propagation of antiparticles through the galaxy and introduced to this model the disappearance rate measured at ALICE.
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