The Definition of the Second

by Rodrigo Alonso De Pablo (CERN)

Wednesday 29 Nov 2017, 11:00 → 13:00 Europe/Zurich

4/3-006 - TH Conference Room (CERN)

The second is defined though the extremely precise measurement (to one part in 10^18) of the energy split between the hyperfine states of Caesium in ‘atomic clocks’. We explore the sensitivity of these devices to dark matter with spin-dependent interactions.