Particles known as tensor mesons are created when high-energy photons interact. These mesons have now been proposed to have a larger effect on photon behavior than previously thought, and provide a ...

At the heart of this puzzle lies light-by-light scattering, a quantum process where particles of light, or photons, briefly transform into other particles. Ordinarily, light waves pass through each ...

Scientists studying particle collisions at the Relativistic Heavy Ion Collider (RHIC) usually capture what happens when ...

Fundamental particles called quarks can be created in quantum-correlated pairs. These correlations can be passed on to larger particles that form from the quarks. The strong force differs from others ...

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The magnetic moment of the muon—a tiny property of a tiny particle—has long puzzled physicists. Experiments and theory haven't quite matched up, leaving open the thrilling possibility of discovering ...