Theoretical and Experimental Demonstration of the Existence of Quadrupole Cooper Minima

Document Type



Calculations and measurements of the Xe 5s and 5p nondipole photoelectron asymmetry parameters are obtained, which present clear evidence of the existence of quadrupole Cooper minima, i.e., minima in quadrupole matrix elements as a function of energy, in the photoionization process. This verifies earlier predictions of quadrupole Cooper minima.


Atomic, Molecular and Optical Physics | Biological and Chemical Physics | Inorganic Chemistry | Nuclear | Physical Chemistry


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