Search Results - "Viefhaus, J"

Attosecond time–energy structure of X-ray free-electron laser pulses by Hartmann, N., Hartmann, G., Heider, R., Wagner, M. S., Ilchen, M., Buck, J., Lindahl, A. O., Benko, C., Grünert, J., Krzywinski, J., Liu, J., Lutman, A. A., Marinelli, A., Maxwell, T., Miahnahri, A. A., Moeller, S. P., Planas, M., Robinson, J., Kazansky, A. K., Kabachnik, N. M., Viefhaus, J., Feurer, T., Kienberger, R., Coffee, R. N., Helml, W.

“…The time–energy information of ultrashort X-ray free-electron laser pulses generated by the Linac Coherent Light Source is measured with attosecond resolution…”
Get full text

Direct 3D mapping of the Fermi surface and Fermi velocity by Medjanik, K., Fedchenko, O., Chernov, S., Kutnyakhov, D., Ellguth, M., Oelsner, A., Schönhense, B., Peixoto, T. R. F., Lutz, P., Min, C.-H., Reinert, F., Däster, S., Acremann, Y., Viefhaus, J., Wurth, W., Elmers, H. J., Schönhense, G.

“…We performed a full mapping of the bulk electronic structure including the Fermi surface and Fermi-velocity distribution v F ( k F ) of tungsten. The 4D…”
Get full text

Soft X-Ray-induced Dimerization of Methane by Reinwardt, S., Baev, I., Cieslik, P., Baev, K., Buhr, T., Perry-Sassmannshausen, A., Schippers, S., Müller, A., Trinter, F., Viefhaus, J., Martins, M.

“…Abstract Carbon 1s excitation of methane, CH 4 , has been studied in the gas phase using the ion trap integrated with the photon–ion instrument at PETRA…”
Get full text

Symmetry breakdown of electron emission in extreme ultraviolet photoionization of argon by Ilchen, M., Hartmann, G., Gryzlova, E. V., Achner, A., Allaria, E., Beckmann, A., Braune, M., Buck, J., Callegari, C., Coffee, R. N., Cucini, R., Danailov, M., De Fanis, A., Demidovich, A., Ferrari, E., Finetti, P., Glaser, L., Knie, A., Lindahl, A. O., Plekan, O., Mahne, N., Mazza, T., Raimondi, L., Roussel, E., Scholz, F., Seltmann, J., Shevchuk, I., Svetina, C., Walter, P., Zangrando, M., Viefhaus, J., Grum-Grzhimailo, A. N., Meyer, M.

“…Short wavelength free-electron lasers (FELs), providing pulses of ultrahigh photon intensity, have revolutionized spectroscopy on ionic targets. Their…”
Get full text

Observation of a four-electron Auger process in near-K-edge photoionization of singly charged carbon ions by Müller, A, Borovik, Jr, A, Buhr, T, Hellhund, J, Holste, K, Kilcoyne, A L D, Klumpp, S, Martins, M, Ricz, S, Viefhaus, J, Schippers, S

“…Single, double, and triple ionization of C(1+) ions by single photons is investigated in the energy range of 286-326 eV, i.e., in the range from the…”
Get full text

Spin-filtered time-of-flight k-space microscopy of Ir – Towards the “complete” photoemission experiment by Schönhense, G., Medjanik, K., Chernov, S., Kutnyakhov, D., Fedchenko, O., Ellguth, M., Vasilyev, D., Zaporozhchenko-Zymaková, A., Panzer, D., Oelsner, A., Tusche, C., Schönhense, B., Braun, J., Minár, J., Ebert, H., Viefhaus, J., Wurth, W., Elmers, H.J.

“…•On the quest towards maximum information in photoemission the prototypical high-Z fcc metal iridium has been investigated using spin-filtered time-of-flight…”
Get full text

Imaging the square of the correlated two-electron wave function of a hydrogen molecule by Waitz, M., Bello, R. Y., Metz, D., Lower, J., Trinter, F., Schober, C., Keiling, M., Lenz, U., Pitzer, M., Mertens, K., Martins, M., Viefhaus, J., Klumpp, S., Weber, T., Schmidt, L. Ph. H., Williams, J. B., Schöffler, M. S., Serov, V. V., Kheifets, A. S., Argenti, L., Palacios, A., Martín, F., Jahnke, T., Dörner, R.

“…The toolbox for imaging molecules is well-equipped today. Some techniques visualize the geometrical structure, others the electron density or electron…”
Get full text

Single Shot Polarization Characterization of XUV FEL Pulses from Crossed Polarized Undulators by Ferrari, E., Allaria, E., Buck, J., De Ninno, G., Diviacco, B., Gauthier, D., Giannessi, L., Glaser, L., Huang, Z., Ilchen, M., Lambert, G., Lutman, A. A., Mahieu, B., Penco, G., Spezzani, C., Viefhaus, J.

“…Polarization control is a key feature of light generated by short-wavelength free-electron lasers. In this work, we report the first experimental…”
Get full text

4D texture of circular dichroism in soft-x-ray photoemission from tungsten by Fedchenko, O, Medjanik, K, Chernov, S, Kutnyakhov, D, Ellguth, M, Oelsner, A, Schönhense, B, Peixoto, T R F, Lutz, P, Min, C-H, Reinert, F, Däster, S, Acremann, Y, Viefhaus, J, Wurth, W, Braun, J, Minár, J, Ebert, H, Elmers, H J, Schönhense, G

“…Photoemission-intensity distributions IRCP/LCP (EB, k) measured for right- and left-circularly polarized soft x-rays revealed a large circular dichroism in…”
Get full text

Recovery of High-Energy Photoelectron Circular Dichroism through Fano Interference by Hartmann, G, Ilchen, M, Schmidt, Ph, Küstner-Wetekam, C, Ozga, C, Scholz, F, Buck, J, Trinter, F, Viefhaus, J, Ehresmann, A, Schöffler, M S, Knie, A, Demekhin, Ph V

“…It is commonly accepted that the magnitude of a photoelectron circular dichroism (PECD) is governed by the ability of an outgoing photoelectron wave packet to…”
Get full text

Separating Dipole and Quadrupole Contributions to Single-Photon Double Ionization by Grundmann, S, Trinter, F, Bray, A W, Eckart, S, Rist, J, Kastirke, G, Metz, D, Klumpp, S, Viefhaus, J, Schmidt, L Ph H, Williams, J B, Dörner, R, Jahnke, T, Schöffler, M S, Kheifets, A S

“…We report on a kinematically complete measurement of double ionization of helium by a single 1100 eV circularly polarized photon. By exploiting dipole…”
Get full text

Two-Particle Interference of Electron Pairs on a Molecular Level by Waitz, M, Metz, D, Lower, J, Schober, C, Keiling, M, Pitzer, M, Mertens, K, Martins, M, Viefhaus, J, Klumpp, S, Weber, T, Schmidt-Böcking, H, Schmidt, L Ph H, Morales, F, Miyabe, S, Rescigno, T N, McCurdy, C W, Martín, F, Williams, J B, Schöffler, M S, Jahnke, T, Dörner, R

“…We investigate the photodouble ionization of H_{2} molecules with 400 eV photons. We find that the emitted electrons do not show any sign of two-center…”
Get full text

Multidimensional photoemission spectroscopy-the space-charge limit by Schönhense, B, Medjanik, K, Fedchenko, O, Chernov, S, Ellguth, M, Vasilyev, D, Oelsner, A, Viefhaus, J, Kutnyakhov, D, Wurth, W, Elmers, H J, Schönhense, G

“…Photoelectron spectroscopy, especially at pulsed sources, is ultimately limited by the Coulomb interaction in the electron cloud, changing energy and angular…”
Get full text

Publisher Correction: Imaging the square of the correlated two-electron wave function of a hydrogen molecule by Waitz, M., Bello, R. Y., Metz, D., Lower, J., Trinter, F., Schober, C., Keiling, M., Lenz, U., Pitzer, M., Mertens, K., Martins, M., Viefhaus, J., Klumpp, S., Weber, T., Schmidt, L. Ph. H., Williams, J. B., Schöffler, M. S., Serov, V. V., Kheifets, A. S., Argenti, L., Palacios, A., Martín, F., Jahnke, T., Dörner, R.

“…The original version of this Article contained an error in the fifth sentence of the first paragraph of the ‘Application on H 2 ’ section of the Results, which…”
Get full text

Angular momentum sensitive two-center interference by Ilchen, M, Glaser, L, Scholz, F, Walter, P, Deinert, S, Rothkirch, A, Seltmann, J, Viefhaus, J, Decleva, P, Langer, B, Knie, A, Ehresmann, A, Al-Dossary, O M, Braune, M, Hartmann, G, Meissner, A, Tribedi, L C, AlKhaldi, M, Becker, U

“…In quantum mechanics the Young-type double-slit experiment can be performed with electrons either traveling through a double slit or being coherently emitted…”
Get full text

Electron angular distributions of noble gases in sequential two-photon double ionization by Braune, M., Hartmann, G., Ilchen, M., Knie, A., Lischke, T., Reinköster, A., Meissner, A., Deinert, S., Glaser, L., Al-Dossary, O., Ehresmann, A., Kheifets, A.S., Viefhaus, J.

“…We present an angle resolved study of photoelectrons emitted from ions of the noble gases neon, argon and krypton by means of time-of-flight spectroscopy. The…”
Get full text

A new compact soft x-ray spectrometer for resonant inelastic x-ray scattering studies at PETRA III by Yin, Z, Peters, H B, Hahn, U, Agåker, M, Hage, A, Reininger, R, Siewert, F, Nordgren, J, Viefhaus, J, Techert, S

“…We present a newly designed compact grating spectrometer for the energy range from 210 eV to 1250 eV, which would include the Kα(1,2) emission lines of vital…”
Get more information

Characterization of spatial coherence of synchrotron radiation with non-redundant arrays of apertures by Skopintsev, P., Singer, A., Bach, J., Müller, L., Beyersdorff, B., Schleitzer, S., Gorobtsov, O., Shabalin, A., Kurta, R. P., Dzhigaev, D., Yefanov, O. M., Glaser, L., Sakdinawat, A., Grübel, G., Frömter, R., Oepen, H. P., Viefhaus, J., Vartanyants, I. A.

“…A method to characterize the spatial coherence of soft X‐ray radiation from a single diffraction pattern is presented. The technique is based on scattering…”
Get full text

Intramolecular electron scattering and electron transfer following autoionization in dissociating molecules by KUGELER, O, PRÜMPER, G, HENTGES, R, VIEFHAUS, J, ROLLES, D, BECKER, U, MARBURGER, S, HERGENHAHN, U

“…Resonant Auger decay of core-excited molecules during ultrafast dissociation leads to a Doppler shift of the emitted electrons depending on the direction of…”
Get full text

The C 1s NEXAFS spectrum of benzene below threshold: Rydberg or valence character of the unoccupied σ-type orbitals by Püttner, R, Kolczewski, C, Martins, M, Schlachter, A.S, Snell, G, Sant'Anna, M, Viefhaus, J, Hermann, K, Kaindl, G

“…High-resolution C 1s near edge X-ray absorption fine structure (NEXAFS) spectra of benzene and benzene-d 6 were measured and compared with the results of…”
Get full text