A real smasher

日期:2019-03-06 11:11:23 作者:蓝铯迅 阅读:

After a major overhaul, the world’s only electron-proton collider got back to work this week. The revamped HERA particle accelerator at the DESY research centre in Hamburg will quadruple its “hit rate”, the rate at which particles smash into each other. Experiments at the accelerator reveal quarks and gluons milling around inside the proton and could soon shed light on whether quarks really are elementary particles, as we believe today. “We are heading into unexplored territory,” says Albrecht Wagner,