big bang

‘Indisputable’ Proof Of A New Four-Quark Particle

Using the most powerful particle collider in the world, a research group at CERN has forged a particle made of four quarks, the European organization announced yesterday. Most particles of matter in the universe today consist of two or three quarks. Over the past decade, however, particle-accelerator projects all over the world have gathered some evidence that a few different kinds of