Related topics: atoms · physical review letters

The LHC lead-ion collision run starts

The LHC is back delivering collisions to the experiments after the successful leak repair in August. But instead of protons, it is now the turn of lead ion beams to collide, marking the first heavy-ion run in five years.

ATLAS measures strength of the strong force with record precision

Binding together quarks into protons, neutrons and atomic nuclei is a force so strong, it's in the name. The strong force, which is carried by gluon particles, is the strongest of all fundamental forces of nature—the others ...

Hubble peers at peculiar Arp 107 pair

This image taken using the NASA/ESA Hubble Space Telescope's Advanced Camera for Surveys (ACS) shows Arp 107, a celestial object that includes a pair of galaxies in the midst of a collision. The larger object (left) is an ...

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