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).

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).

Becker, U., G. Prümper, B. Langer, J. Viefhaus, M. Wiedenhöft, J.C. Levin and I.A. Sellin: Helium double photoionisation and Compton scattering: A showcase for electron correlation. Australian Journal of Physics 52 (3), 351–361 (1999).

Hemmers, O., F. Heiser, J. Viefhaus, K. Wieliczek and U. Becker: Angle-resolved resonant Auger electron spectroscopy of CO after vibrationally resolved C 1s → nlλ excitations. Journal of Physics B 32 (15), 3769–3782 (1999).

Hempelmann, A., M.N. Piancastelli, F. Heiser, O. Gessner, A. Rüdel and U. Becker: Resonant photofragmentation of methanol at the carbon and oxygen K-edge by high-resolution ion-yield spectroscopy. Journal of Physics B 32 (11), 2677–2689 (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).

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

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

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).

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).

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).

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).

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).

Xu, Y.B., M.Q. Tan and U. Becker: Oscillations in the Photoionization Cross Section of C₆₀. Physical Review Letters 76 (19), 3538–3541 (1996).

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).