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- Helmholtz Institute JenaDE407 papers
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6 papers · 2 filters
Multiple photodetachment of silicon anions via K-shell excitation and ionization
A. Perry-Sassmannshausen, T. Buhr, M. Martins +5
Experimental cross sections for -fold photodetachment () of silicon anions via -shell excitation and ionization were measured in the photon-energy range of 1830-1900 e…
Plasma environment effects on K lines of astrophysical interest. V. Universal formulae for ionization potential and K-threshold shifts
P. Palmeri, J. Deprince, M. A. Bautista +5
Aims. We calculate the plasma environment effects on the ionization potentials (IPs) and K-thresholds used in the modeling of K lines for all the ions belonging to the isonuclear s…
Photoexcitation of atoms by cylindrically polarized Laguerre-Gaussian beams
S. Ramakrishna, J. Hofbrucker, S. Fritzsche
We analyze the photo-excitation of atoms with a single valence electron by cylindrically polarized Laguerre-Gaussian beams. Theoretical analysis is performed within the framework o…
Electron-loss-to-continuum cusp in collisions of U with N and Xe
P. -M. Hillenbrand, K. N. Lyashchenko, S. Hagmann +24
We study the electron-loss-to-continuum (ELC) cusp experimentally and theoretically by comparing the ionization of U projectiles in collisions with N and Xe targets, at…
Molecular structure retrieval directly from laboratory-frame photoelectron spectra in laser-induced electron diffraction
A. Sanchez, K. Amini, S. -J. Wang +12
Ubiquitous to most molecular scattering methods is the challenge to retrieve bond distance and angle from the scattering signals since this requires convergence of pattern matching…
Table-top interferometry on extreme time and wavelength scales
S. Skruszewicz, A. Przystawik, D. Schwickert +12
High-resolution Fourier-transform spectroscopy using table-top sources in the extreme ultraviolet (XUV) spectral range is still in its infancy. In this contribution a significant a…