Measuring the photoelectron emission delay in the molecular frame

Autor: Jonas Rist, Kim Klyssek, Nikolay M. Novikovskiy, Max Kircher, Isabel Vela-Pérez, Daniel Trabert, Sven Grundmann, Dimitrios Tsitsonis, Juliane Siebert, Angelina Geyer, Niklas Melzer, Christian Schwarz, Nils Anders, Leon Kaiser, Kilian Fehre, Alexander Hartung, Sebastian Eckart, Lothar Ph. H. Schmidt, Markus S. Schöffler, Vernon T. Davis, Joshua B. Williams, Florian Trinter, Reinhard Dörner, Philipp V. Demekhin, Till Jahnke

Publikováno v: Nature Communications, Vol 12, Iss 1, Pp 1-8 (2021)

Measuring photoionization time delays is an interesting and challenging topic. Here the authors demonstrate a method to measure the photoionization time delays using inner-shell ionization of CO molecule.

Externí odkaz: https://doaj.org/article/1aa7156f312848f29bebd408a69fbfbb

Photoelectron and fragmentation dynamics of the H^{+}+H^{+} dissociative channel in NH_{3} following direct single-photon double ionization

Autor: Kirk A. Larsen, Thomas N. Rescigno, Travis Severt, Zachary L. Streeter, Wael Iskandar, Saijoscha Heck, Averell Gatton, Elio G. Champenois, Richard Strom, Bethany Jochim, Dylan Reedy, Demitri Call, Robert Moshammer, Reinhard Dörner, Allen L. Landers, Joshua B. Williams, C. William McCurdy, Robert R. Lucchese, Itzik Ben-Itzhak, Daniel S. Slaughter, Thorsten Weber

Publikováno v: Physical Review Research, Vol 2, Iss 4, p 043056 (2020)

We report measurements on the H^{+}+H^{+} fragmentation channel following direct single-photon double ionization of neutral NH_{3} at 61.5 eV, where the two photoelectrons and two protons are measured in coincidence using three-dimensional (3D) momen

Externí odkaz: https://doaj.org/article/c9c9572d05774e8eb472d02442ef50cc

Revealing the two-electron cusp in the ground states of He and H_{2} via quasifree double photoionization

Autor: Sven Grundmann, Vladislav V. Serov, Florian Trinter, Kilian Fehre, Nico Strenger, Andreas Pier, Max Kircher, Daniel Trabert, Miriam Weller, Jonas Rist, Leon Kaiser, Alexander W. Bray, Lothar Ph. H. Schmidt, Joshua B. Williams, Till Jahnke, Reinhard Dörner, Markus S. Schöffler, Anatoli S. Kheifets

Publikováno v: Physical Review Research, Vol 2, Iss 3, p 033080 (2020)

We report on kinematically complete measurements and ab initio nonperturbative calculations of double ionization of He and H_{2} by a single 800 eV circularly polarized photon. We confirm the quasifree mechanism of photoionization for H_{2} and show

Externí odkaz: https://doaj.org/article/8575e6d59a7f4f44af36b93e8631ea26

Fourfold Differential Photoelectron Circular Dichroism

Autor: Markus Schöffler, G. Nalin, Arno Ehresmann, Alexander Hartung, Florian Trinter, Sven Grundmann, Reinhard Dörner, M. Weller, F. Wiegandt, Ph. V. Demekhin, K. Fehre, L. Ph. H. Schmidt, Hironobu Fukuzawa, Sebastian Eckart, M. Pitzer, N. M. Novikovskiy, Horst Schmidt-Böcking, Robert Berger, D. Trabert, Andreas Hans, Max Kircher, C. Janke, M. Hofmann, S. Zeller, Joshua B. Williams, Jonas Rist, K. Ueda, L. Ben Ltaief, André Knie, G. Kastirke, T. Jahnke

Publikováno v: Fehre, K, Novikovskiy, N M, Grundmann, S, Kastirke, G, Eckart, S, Trinter, F, Rist, J, Hartung, A, Trabert, D, Janke, C, Nalin, G, Pitzer, M, Zeller, S, Wiegandt, F, Weller, M, Kircher, M, Hofmann, M, Schmidt, L P H, Knie, A, Hans, A, Ltaief, L B, Ehresmann, A, Berger, R, Fukuzawa, H, Ueda, K, Schmidt-Böcking, H, Williams, J B, Jahnke, T, Dörner, R, Schöffler, M S & Demekhin, P V 2021, ' Fourfold Differential Photoelectron Circular Dichroism ', Physical Review Letters, vol. 127, no. 10, 103201 . https://doi.org/10.1103/PhysRevLett.127.103201
Physical Review Letters

We report on a joint experimental and theoretical study of photoelectron circular dichroism (PECD) in methyloxirane. By detecting O 1s-photoelectrons in coincidence with fragment ions, we deduce the molecule's orientation and photoelectron emission d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9de54e47fb049e607068e5b697c3641
https://doi.org/10.1103/physrevlett.127.103201

A new route for enantio-sensitive structure determination by photoelectron scattering on molecules in the gas phase

Autor: Kilian, Fehre, Nikolay M, Novikovskiy, Sven, Grundmann, Gregor, Kastirke, Sebastian, Eckart, Florian, Trinter, Jonas, Rist, Alexander, Hartung, Daniel, Trabert, Christian, Janke, Martin, Pitzer, Stefan, Zeller, Florian, Wiegandt, Miriam, Weller, Max, Kircher, Giammarco, Nalin, Max, Hofmann, Lothar Ph H, Schmidt, André, Knie, Andreas, Hans, Ltaief, Ben Ltaief, Arno, Ehresmann, Robert, Berger, Hironobu, Fukuzawa, Kiyoshi, Ueda, Horst, Schmidt-Böcking, Joshua B, Williams, Till, Jahnke, Reinhard, Dörner, Philipp V, Demekhin, Markus S, Schöffler

Publikováno v: Physical Chemistry Chemical Physics
Fehre, K, Novikovskiy, N M, Grundmann, S, Kastirke, G, Eckart, S, Trinter, F, Rist, J, Hartung, A, Trabert, D, Janke, C, Pitzer, M, Zeller, S, Wiegandt, F, Weller, M, Kircher, M, Nalin, G, Hofmann, M, Schmidt, L P H, Knie, A, Hans, A, Ben Ltaief, L, Ehresmann, A, Berger, R, Fukuzawa, H, Ueda, K, Schmidt-Böcking, H, Williams, J B, Jahnke, T, Dörner, R, Demekhin, P V & Schöffler, M S 2022, ' A new route for enantio-sensitive structure determination by photoelectron scattering on molecules in the gas phase ', Physical Chemistry Chemical Physics, vol. 24, no. 43, pp. 26458-26465 . https://doi.org/10.1039/d2cp03090j

X-ray as well as electron diffraction are powerful tools for structure determination of molecules. Studies on randomly oriented molecules in the gas-phase address cases in which molecular crystals cannot be generated or the interaction-free molecular

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98f92d1548c1eeaeadeec823a2715e9d