The Big Bang created equal amounts of matter and antimatter. So, why is there so much more matter than antimatter in the Universe? Irfu is participating in the preparation of Hyper-Kamiokande, a ...

The neutrino “fog” is beginning to materialize. Lightweight subatomic particles called neutrinos have begun elbowing their way into the data of experiments not designed to spot them. Two experiments, ...

Over the past decades, many research teams worldwide have been trying to detect dark matter, an elusive type of matter that does not emit, reflect or absorb light, using a variety of highly sensitive ...

In the global race to directly detect dark matter, a project in South Dakota has lapped the field. LUX-ZEPLIN (LZ), a next-generation dark matter experiment funded by the United States Department of ...

Physicists are preparing for the next generation of dark-matter experiments. Imagine all the matter in the universe is a set of billiard balls on a pool table, each awaiting the cue ball’s strike. If ...