Double photoionization of the hydrogen molecule from the viewpoint of the time-delay theory
We studied angular dependency of the time delay in one-photon two-electron photoionization of the hydrogen molecule. Time delay as a function of the angle between velocities of the escaping electrons was shown to have poles at the point corresponding to the kinematic nodes of the reaction. Study of the delay in the vicinity of a pole can provide information about phases of the amplitudes of the reaction.
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