Abstract : An upper limit to non-Newtonian attracive forces is obtained from the measurement of quantum states of neutrons in the Earth's gravitational field. It is established in a completely new way and supports the existing constrains in the nanometer range.
V.V. Nesvizhevsky, K.V. Protasov. Constraints on non-Newtonian gravity from the experiment on neutron quantum states in the earth's gravitational field. Classical and Quantum Gravity, IOP Publishing, 2004, 21, pp.4557-4566. ⟨in2p3-00022264⟩