Double Core-Hole Generation in O2 Molecules Using an X-Ray Free-Electron Laser: 
Molecular-Frame Photoelectron Angular Distributions

Kastirke, Gregor; Schöffler, Markus S.; Weller, Miriam; Rist, Jonas; Boll, Rebecca; Anders, Nils; Baumann, Thomas M.; Eckart, Sebastian; Erk, Benjamin; De Fanis, Alberto; fehre, Killian; Gatton, Averell; Grundmann, Sven; Grychtol, Patrik; Hartung, Alexander; Hofmann, Max; Ilchen, Markus; Janke, Christian; Kircher, Max; Kunitski, Maksim; Li, Xiang; Mazza, Tommaso; Melzer, Niklas; Montano, Jacobo; Music, Valerija; Nalin, Giammarco; Ovcharenko, Yevheniy; Pier, Andreas; Rennhack, Nils; Rivas, Daniel E.; Dörner, Reinhard; Rolles, Daniel; Rudenko, Artem; Schmidt, Phillipp; Siebert, Juliane; Stenger, Nico; Trabert, Daniel; Vela-Perez, Isabel; Wagner, Rene; Weber, Thorsten; Williams, Joshua B.; Ziolkowski, Pawel; Schmidt, Lothar Ph. H.; Czasch, Achim; Ueda, Kiyoshi; Trinter, Florian; Meyer, Michael; Demekhin, Philipp V.; Jahnke, Till

doi:10.1103/PhysRevLett.125.163201

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Double Core-Hole Generation in O₂ Molecules Using an X-Ray Free-Electron Laser: Molecular-Frame Photoelectron Angular Distributions

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Trinter, Florian
Deutsches Elektronen-Synchrotron (DESY);
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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PhysRevLett.125.163201.pdf
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引用

Kastirke, G., Schöffler, M. S., Weller, M., Rist, J., Boll, R., Anders, N., Baumann, T. M., Eckart, S., Erk, B., De Fanis, A., fehre, K., Gatton, A., Grundmann, S., Grychtol, P., Hartung, A., Hofmann, M., Ilchen, M., Janke, C., Kircher, M., Kunitski, M., Li, X., Mazza, T., Melzer, N., Montano, J., Music, V., Nalin, G., Ovcharenko, Y., Pier, A., Rennhack, N., Rivas, D. E., Dörner, R., Rolles, D., Rudenko, A., Schmidt, P., Siebert, J., Stenger, N., Trabert, D., Vela-Perez, I., Wagner, R., Weber, T., Williams, J. B., Ziolkowski, P., Schmidt, L. P. H., Czasch, A., Ueda, K., Trinter, F., Meyer, M., Demekhin, P. V., & Jahnke, T. (2020). Double Core-Hole Generation in O₂ Molecules Using an X-Ray Free-Electron Laser: Molecular-Frame Photoelectron Angular Distributions. Physical Review Letters, 125(16):. doi:10.1103/PhysRevLett.125.163201.

引用: https://hdl.handle.net/21.11116/0000-0007-45DD-3

要旨

We report on a multiparticle coincidence experiment performed at the European X-ray Free-ElectronLaser at the Small Quantum Systems instrument using a COLTRIMS reaction microscope. By measuringtwo ions and two electrons in coincidence, we investigate double core-hole generation in O₂ molecules inthe gas phase. Single-site and two-site double core holes have been identified and their molecular-frameelectron angular distributions have been obtained for a breakup of the oxygen molecule into two doublycharged ions. The measured distributions are compared to results of calculations performed within thefrozen- and relaxed-core Hartree-Fock approximations.