Ratio of cross sections for double to single ionization of He by 85-400 eV photons

Ali, I.; Cocke, C.L. (Kansas State Univ., Manhattan, KS (United States). Dept. of Physics); Damrau, M.; Denlinger, J. (Wisconsin Univ., Milwaukee, WI (United States). Dept. of Physics); Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Doerner, R. (Kansas State Univ., Manhattan, KS (United States). Dept. of Physics; Frankfurt Univ. (Germany). Inst. fuer Kernphysik); Hsu, C.C. (National Tsing Hua Univ., Hsinchu (Taiwan, Province of China)); Jagutzki, O.; Jung, M.; Kanter, E.B. (Argonne National Lab. (ANL), IL (United States)); Khemliche, H.; Kravis, S.; Manson, S.T. (Georgia State Univ., Atlanta (United States). Dept. of Physics and Astronomy); Mergel, V.; Prior, M.H.; Rotenberg, E. (Oregon Univ., Eugene, OR (United States). Dept. of Physics); Schmidt-Boecking, H. (Frankfurt Univ. (Germany). Inst. fuer Kernphysik); Sonntag, B. (Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Hamburger Synchrotronstrahlungslabor); Spielberger, L.; Ullmann, K.; Ullrich, J. (Gesellschaft fuer Schwerionenforschung mbH, Darmstadt (Germany)); Unverzagt, M.; Vogt, T.; Warwick, T. (Lawrence Berkeley National Lab., CA (United States)); Weaver, B.

Ratio of cross sections for double to single ionization of He by 85-400 eV photons

Authors: I. Ali
C.L. (Kansas State Univ., Manhattan, KS (United States). Dept. of Physics) Cocke
M. Damrau
J. (Wisconsin Univ., Milwaukee, WI (United States). Dept. of Physics) Denlinger
Hamburg (Germany) Deutsches Elektronen-Synchrotron (DESY)
R. (Kansas State Univ., Manhattan, KS (United States). Dept. of Physics Doerner
Frankfurt Univ. (Germany). Inst. fuer Kernphysik)
C.C. (National Tsing Hua Univ., Hsinchu (Taiwan, Province of China)) Hsu
O. Jagutzki
M. Jung
E.B. (Argonne National Lab. (ANL), IL (United States)) Kanter
H. Khemliche
S. Kravis
S.T. (Georgia State Univ., Atlanta (United States). Dept. of Physics and Astronomy) Manson
V. Mergel
M.H. Prior
E. (Oregon Univ., Eugene, OR (United States). Dept. of Physics) Rotenberg
H. (Frankfurt Univ. (Germany). Inst. fuer Kernphysik) Schmidt-Boecking
B. (Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Hamburger Synchrotronstrahlungslabor) Sonntag
L. Spielberger
K. Ullmann
J. (Gesellschaft fuer Schwerionenforschung mbH, Darmstadt (Germany)) Ullrich
M. Unverzagt
T. Vogt
T. (Lawrence Berkeley National Lab., CA (United States)) Warwick
B. Weaver
Publication date: 1 January 1995
Publisher

Abstract

The ratio of double to single ionization of He by 85-400 eV photons has been measured using Cold Target Recoil Ion Momentum Spectroscopy. This technique allows the elimination of all possible systematical errors discussed so far in the literature of this subject. We find the ratio in this energy range to be about 25% lower than previously assumed. (orig.)33 refs.Available from TIB Hannover: RO 801(95-79) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman

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