The frequency of the ultranarrow ${}^1{\text{S}}_0-{}^3{\text{P}}_2$ transition in ${}^{87}\text{Sr}$

Oleksiy Onishchenko, Sergey Pyatchenkov, Alexander Urech +4

We determine the frequency of the ultranarrow ${}^{87}\text{Sr}$ ${}^1{\text{S}}_0-{}^3{\text{P}}_2$ transition by spectroscopy of an ultracold gas. This transition is referenc…