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Dark-decay search: the UCNA experiment at Los Alamos National Laboratory For more than 20 years, physicists have been unable to explain why two types of experiment yield different values for the ...

A new "bathtub" experiment has allowed physicists to measure the lifetime of a free neutron far more precisely than ever before. The breakthrough could help probe the fringes of the Standard Model of ...

Nuclear puzzle: In the nucleus, neutrons can be stable, but free neutrons decay after a short period. Exactly how short is in dispute because experiments on neutrons stored in bottles and neutrons in ...

The neutron-rich oxygen isotopes oxygen-27 and oxygen-28 exist as very short-lived resonances, report scientists based on the first observation of their decay into oxygen-24 and three and four ...

When physicists strip neutrons from atomic nuclei, put them in a bottle, then count how many remain there after some time, they infer that neutrons radioactively decay in 14 minutes and 39 seconds, on ...

"We studied the last several orbits before the merger, when the entwined magnetic fields undergo rapid and dramatic changes, ...

An international team of researchers recently measured the lifetime of a neutron outside of an atomic nucleus with extraordinary precision. By their measurements, the neutron survived for 14.629 ...

A free neutron outside a nucleus is not stable. It undergoes beta decay at a probability. Over time, the number of free neutrons decreases exponentially at a time constant, which is called the neutron ...

(Inside Science) — Exactly how long a neutron lives is currently under debate. Now researchers suggest this mystery could be solved if neutrons sometimes decay into particles of dark matter, the ...