Hyperfine structure of the ${\mathbf{A}}^1\mathbf{\Pi }$ state of AlCl and its relevance to laser cooling and trapping

J. R. Daniel, J. C. Shaw, C. Wang +4

The majority of molecules proposed for laser cooling and trapping experiments have $\Sigma$-type ground states. Specifically, ${}^2\Sigma$ states have cycling transitions analogous to D1-lines…