Granit - A 2nd-generation gravitational neutron spectrometer
The existence of quantum states of matter in the gravitational field has been demonstrated for the very first time at the ILL by a series of ground-breaking experiments with ultracold neutrons (UCN). The GRANIT is the follow-up project based on a second-generation UCN gravitational spectrometer with ultra-high energy resolution. It will provide more accurate studies of/with the quantum states as well as measurements of the resonant transitions between them. It will benefit from a dedicated UCN source delivering UCN to GRANIT with no significant dilution of the phase-space density.
Particle physics and fundamental interactions, e.g.:
Foundations of quantum mechanics, e.g. loss of quantum coherence
The GRANIT spectrometer will be a unique tool for carrying out a wide range of investigations in particle fundamental physics (neutron electric charge, spin-dependent or spin-independent short-range forces), foundations of quantum mechanics, in surface physics, as well as for development of experimental techniques and their applications.