For more than half a century, particle physicists have theorized the existence of a “glueball,” a particle made entirely of gluons. While the past few decades have produced some compelling candidates, ...

A combination of supercomputing and traditional techniques allowed Jefferson Lab theorists to better describe the unstable sigma meson particle, contributing to our comprehension of the strong ...

current theory that attempts to describe matter. Their research will be published in Physical Review Letters (in press). "It could mean some of the standard and accepted theories on matter will need ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

The University of California admitted last week (after too many garbled rumors in the press) that it had created the first man-made meson. U.C. did it with its 4,000-ton cyclotron. The news caused a ...