In a single experiment, physicists have measured the "excess" emission of high-energy gamma rays from more than a dozen heavy, unstable atomic nuclei. Mapping the gamma-ray emissions of so many ...
Scientists studying the tracks of particles streaming from six billion collisions of atomic nuclei at the Relativistic Heavy Ion Collider (RHIC)—an "atom smasher" that recreates the conditions of the ...
The overwhelming majority of the universe’s matter that we can see consists of hydrogen and helium. To create heavier elements, stars must do the heavy lifting of assembling their atomic nuclei.
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