Dark matter: on the trail of the Zʹ boson
Almost 1000 physicists from 26 countries have committed themselves to one collective task: using the Belle-2 experiment to search for signs of a new model of physics, a model that might explain, among other things, dark matter. This phenomenon, whose existence has been observed many times already, has stubbornly refused to be explained using the current standard model of physics. In the Belle-2 experiment, researchers collide electrons with their antiparticles, positrons (identical mass, but opposite charge), in the SuperKEKB accelerator in Tsukuba, Japan. They hope to use these collisions to find traces of a new elementary particle, the Zʹ…