Gyorgy P. Snell
Western Michigan University
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Publication
Featured researches published by Gyorgy P. Snell.
Review of Scientific Instruments | 2000
Gyorgy P. Snell; Jens Viefhaus; F. B. Dunning; N. Berrah
A compact retarding-potential Mott polarimeter combined with microsphere plates (MSP) as electron detectors was built to perform spin-resolved time-of-flight electron spectroscopy. The comparison of the performance of MSP and channeltron detectors shows that the MSP detector has a better time resolution but a lower efficiency. The overall time resolution of the system was determined to be 350 ps using synchrotron radiation pulses.
Journal of Physics B | 2007
Giorgio Turri; Bernd Lohmann; Burkhard Langer; Gyorgy P. Snell; U. Becker; N. Berrah
The spin-resolved Auger decay of the Ar 2p−11/2 3d state was measured at moderate energy resolution and compared with the decay of the 2p−11/2 4s. The former shows a lower transferred spin polarization and a similar, if not higher, dynamical spin polarization, supporting the statement that a fully resolved spectrum is not a necessary condition for observing dynamical spin polarization. An interpretation of the spin polarization as configuration interaction induced effect in the final ionic state leads to partial agreement with our relativistic distorted wave calculation utilizing a 36 configuration state function basis set. Comparison of the experimental and numerical results leads to ambiguities for at least one Auger line. A hypothetical, qualitative interpretation is discussed.
Chemical Physics Letters | 2004
R. Püttner; Christine Kolczewski; M. Martins; Alfred S. Schlachter; Gyorgy P. Snell; M. Sant'Anna; Jens Viefhaus; Klaus Hermann; G. Kaindl
Physical Review A | 2001
Edwin Kukk; Gyorgy P. Snell; John D. Bozek; Wei-T. Cheng; N. Berrah
Physical Review Letters | 2002
Sophie E. Canton; Andrew J. Yencha; E. Kukk; John D. Bozek; M. C. A. Lopes; Gyorgy P. Snell; N. Berrah
Physical Review A | 2002
Gyorgy P. Snell; Burkhard Langer; A. T. Young; N. Berrah
Physical Review Letters | 2001
H. Wang; Gyorgy P. Snell; Oliver Hemmers; M. M. Sant'Anna; I. A. Sellin; N. Berrah; Dennis W. Lindle; P. C. Deshmukh; N. Haque; Steven T. Manson
Physical Review A | 2001
Gyorgy P. Snell; M. Martins; E. Kukk; W. T. Cheng; N. Berrah
Physical Review A | 2000
W. T. Cheng; E. Kukk; D. Cubaynes; Jyh-Ching Chang; Gyorgy P. Snell; John D. Bozek; N. Berrah
Radiation Physics and Chemistry | 2004
N. Berrah; R.C. Bilodeau; G. D. Ackerman; John D. Bozek; G. Turri; E. Kukk; W. T. Cheng; Gyorgy P. Snell