Atomic nucleus

Lead author Artemis Spyrou with the Modular Neutron Array (MoNA), which detected and measured the neutrons in the experiment. Nuclear physicists recently witnessed an atomic nucleus do something that nobody had ever seen one do before—two neutrons at the ...  

(Phys.org) -- Nuclear physicists recently witnessed an atomic nucleus do something that nobody had ever seen one do before – two neutrons at the same time.