Deuteron Particle (IMAGE) DOE/Oak Ridge National Laboratory Caption An image of a deuteron, the bound state of a proton and a neutron. Credit Andrew Sproles, Oak Ridge National Laboratory Usage Restrictions Image may be used with attribution License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.