Laser-plasma accelerators can accelerate particles over distances that are up to 1,000 times shorter than those required by ...

Note: The verification e-mail to complete your account registration should arrive immediately. However, in some cases it ...

In just the first 259 days of data collection, KATRIN, a beta-decay-based detector in Germany, has set the smallest upper ...

It is no heavier than 0.45 electron volts (eV) — less than one-millionth the mass of an electron, the next-lightest known ...

An international team of researchers is pushing forward with plans for a radically smaller, cheaper particle accelerator by ...

Physicists use the concept of quantum Fisher information to explain poor electrical conductivity in these unusual materials ...

A new measurement finds the universe's teensiest particles weigh no more than one-millionth the mass of an electron.

A new estimate of the ghostly particle’s maximum possible mass brings physicists a tad closer to understanding the universe.

Physicists have scaled down the maximum possible mass of an elusive "ghost particle" called a neutrino to at least ...

Physicists have shown that particles produced in collimated sprays called jets retain information about their origins in subatomic particle smashups.