Measuring the branching ratios from the $y^8{\mathrm{P}}_{9/2}$ state to metastable states in europium

Yuki Miyazawa, Ryotaro Inoue, Keiji Nishida +2

We measure the branching ratios from the $y^8{\mathrm{P}}_{9/2}$ excited state to six metastable states of europium through fluorescence spectroscopy of an atomic beam. The sum of the s…