Her doctoral thesis demonstrated that a pseudoscalar component was not involved in parity nonconservation in beta decay.
There she met Wu's graduate student Chellis Chasman and together they investigated beta decay.
[1] In 1962, the Chasmans went to Yale University to work with David Allan Bromley in nuclear spectroscopy.
[2] In the following years, she facilitated important contributions to the development of particle accelerators, redesigning the alternating-gradient proton synchrotron (AGS).
Together with George Kenneth Green, she is known for the invention of the Chasman-Green lattice for synchrotron storage rings.