TY - RPRT TI - Absolute electron-impact ionization cross section measurements using a magneto-optical trap. AU - RS Schappe AU - T Walker AU - LW Anderson AU - CC Lin PY - 1996 DO - 10.1103/physrevlett.76.4328 UR - https://pubmed.ncbi.nlm.nih.gov/10061262/ ID - 10061262 ER -