Author(s): H. Gassert, O. Chuluunbaatar, M. Waitz, F. Trinter, H.-K. Kim, T. Bauer, A. Laucke, Ch. Müller, J. Voigtsberger, M. Weller, J. Rist, M. Pitzer, S. Zeller, T. Jahnke, L. Ph. H. Schmidt, J. B. Williams, S. A. Zaytsev, A. A. Bulychev, K. A. Kouzakov, H. Schmidt-Böcking, R. Dörner, Yu. V. Popov, and M. S. Schöffler
High resolution measurements of the electron emission pattern following the ionization of helium settles a decade old discrepancy between theory and experiment on the angular emission pattern.
[Phys. Rev. Lett. 116, 073201] Published Wed Feb 17, 2016