Physicists Face the Age of the Neutron – Phys.org

From left, Matthew Frost and Leah Broussard of ORNL used the neutron scattering instrument at the Spallation Neutron Source to search for the neutron’s dark matter twin. Credit: Genevieve Martin/ORNL, US Dept. of Energy To solve a longstanding mystery about how long a neutron can “live” outside the nucleus of an atom, physicists have come …

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