Publications of Uwe Becker

Kleinpoppen, H. and U. Becker: Interactions of polarized electrons and polarized photons with atoms and molecules. Philosophical Transactions of the Royal Society A 357 (1755), 1229–1258 (1999).

Piancastelli, M.N., A. Hempelmann, F. Heiser, O. Gessner, A. Rüdel and U. Becker: Resonant photofragmentation of water at the oxygen K edge by high-resolution ion-yield spectroscopy. Physical Review A 59 (1), 300–306 (1999).

Prümper, G., B. Obst, W. Benten, B. Zimmermann, P. Zimmermann and U. Becker: Influence of the ionic state on O(2p) photoelectron angular distributions. Journal of Physics B 32 (16), 4101–4106 (1999).

Snell, G., M. Drescher, N. Müller, U. Heinzmann, U. Hergenhahn and U. Becker: Spin-resolved electron spectroscopy of the xenon N_4,5 O_2,3 O_2,3 Auger lines. Journal of Physics B 32 (10), 2361–2369 (1999).

Snell, G., B. Langer, M. Drescher, N. Müller, B. Zimmermann, U. Hergenhahn, J. Viefhaus, U. Heinzmann and U. Becker: Complete Description of the Xe 4d Photoionization by Spin-Resolved Photoelectron and Auger Spectroscopy. Physical Review Letters 82 (12), 2480–2483 (1999).

Ueda, K., Y. Shimizu, N.M. Kabachnik, I.P. Sazhina, R. Wehlitz, U. Becker, M. Kitajima and H. Tanaka: Lifetime interference effect on the angular distribution of the Auger electron emission following resonant Auger decay from 2p → 4s photoexcited Ar. Journal of Physics B 32 (13), L291–L296 (1999).

Becker, U.: Complete photoionisation experiments. Journal of Electron Spectroscopy and Related Phenomena 96 (1-3), 105–115 (1998).

Becker, U. and B. Langer: Angular Momentum Resolved Spectroscopy of Continuum States Following Atomic Photoionization. Physica Scripta T78, 13–18 (1998).

Viefhaus, J., G. Snell, R. Hentges, M. Wiedenhöft, F. Heiser, O. Geßner and U. Becker: Interference Effects between Auger and Photoelectron Studied by Subnatural Linewidth Auger-Photoelectron Coincidence Spectroscopy. Physical Review Letters 80 (8), 1618–1621 (1998).

Berrah, N., A. Farhat, B. Langer, B.M. Lagutin, P.V. Demekhin, I.D. Petrov, V.L. Sukhorukov, R. Wehlitz, S.B. Withfield, J. Viefhaus and U. Becker: Angle-resolved energy dependence of the 4p⁴nd(²S_1/2) (n= 4-7) correlation satellites in Kr from 38.5 to 250 eV: Experiment and theory. Physical Review A 56 (6), 4545–4553 (1997).

Liebsch, T., R. Hentges, A. Rüdel, J. Viefhaus, U. Becker and R. Schlögl: Evidence for oscillations in the C₇₀ valence photoionization cross sections. Chemical Physics Letters 279 (3-4), 197–202 (1997).

Heiser, F., O. Geßner, U. Hergenhahn, J. Viefhaus, K. Wieliczek, N. Saito and U. Becker: Photoelectron spectroscopy on oriented molecules. Journal of Electron Spectroscopy and Related Phenomena 79, 415–417 (1996).

Liebsch, T., O. Plotzke, R. Hentges, A. Hempelmann, U. Hergenhahn, F. Heiser, J. Viefhaus, U. Becker and Y. Xu: Photoelectron spectroscopy of free fullerenes. Journal of Electron Spectroscopy and Related Phenomena 79, 419–422 (1996).

Menzel, A., B. Langer, J. Viefhaus, S.B. Whitfield and U. Becker: Competition between direct dissociation and resonant Auger decay: a quasi-classical model applied to the 2p^-1σ* states of HCl, DCl and Cl₂. Chemical Physics Letters 258 (1-2), 265–270 (1996).

Plotzke, O., G. Prümper, B. Zimmermann, U. Becker and H. Kleinpoppen: Magnetic Dichroism in the Angular Distribution of Atomic Oxygen 2p Photoelectrons. Physical Review Letters 77 (13), 2642–2645 (1996).

Saito, N., F. Heiser, O. Hemmers, K. Wieliczek, J. Viefhaus and U. Becker: Kinetic-energy- and angular-resolved fragmentation of CO in vibrational-resolved C 1s excitation. Physical Review A 54 (3), 2004–2010 (1996).

Snell, G., M. Drescher, N. Müller, U. Heinzmann, U. Hergenhahn, J. Viefhaus, F. Heiser, U. Becker and N.B. Brookes: Spin Polarized Auger Electrons: The Xe M_4,5N_4,5N_4,5 Case. Physical Review Letters 76 (21), 3923–3926 (1996).

Viefhaus, J., L. Avaldi, F. Heiser, R. Hentges, O. Geßner, A. Rüdel, M. Wiedenhöft, K. Wieliczek and U. Becker: Energy and angle resolved studies of double photo-ionization of helium by electron time-of-flight coincidence spectroscopy. Journal of Physics B: Atomic, Molecular and Optical Physics 29, L729–L736 (1996).

Viefhaus, J., L. Avaldi, G. Snell, M. Wiedenhöft, R. Hentges, A. Rüdel, F. Schäfers, D. Menke, U. Heinzmann, A. Engelns, J. Berakdar, H. Klar and U. Becker: Experimental Evidence for Circular Dichroism in the Double Photoionization of Helium. Physical Review Letters 77 (19), 3975–3978 (1996).

Wehlitz, R., R. Hentges, G. Prümper, A. Farhat, T. Buslaps, N. Berrah, J.C. Levin, I.A. Sellin and U. Becker: Compton double-to-single ionization ratio of helium at 57 keV. Physical Review A 53 (6), R3720–R3722 (1996).