The Swiss research infrastructure for particle physics CHRISP
With the help of CHRISP, researchers are using the internationally most powerful source of ultracold neutrons to investigate how our universe is structured. They determine, for example, fundamental natural constants with the highest precision and search for deviations in the current standard model of particle physics. They also develop and test detectors for experiments at PSI, for space missions and for the European research centre CERN in Geneva.
0.000 000 000 000 840 87 (39) metres – scientists working at PSI have come up with this astonishing figure for the radius of a proton.
Researchers are looking for deviations in the current standard model of physics and want to find out how our universe is constructed.
In experiments at the Paul Scherrer Institute PSI, an international research collaboration has measured the radius of the atomic nucleus of helium five times more precisely than ever before. The new value can be used to test fundamental physical theories.
At the Paul Scherrer Institute PSI, researchers together with a company have constructed a room that is one of the best magnetically shielded places on the earth. With its help, they want to solve the last mysteries of matter and answer a fundamental question: Why does matter - and thus why do we - exist at all?