Search Results - "Gokhberg, K."

The role of metal ions in X-ray-induced photochemistry by Stumpf, V., Gokhberg, K., Cederbaum, L. S.

“…Metal centres in biomolecules are recognized as being particularly sensitive to radiation damage by X-ray photons. This results in such molecules being both…”
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Efficient pathway to neutralization of multiply charged ions produced in Auger processes by Stumpf, V, Kolorenč, P, Gokhberg, K, Cederbaum, L S

“…After core ionization of an atom or molecule by an x-ray photon, multiply charged ions are produced in the Auger decay process. These ions tend to neutralize…”
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Charge transfer to ground-state ions produces free electrons by You, D., Fukuzawa, H., Sakakibara, Y., Takanashi, T., Ito, Y., Maliyar, G. G., Motomura, K., Nagaya, K., Nishiyama, T., Asa, K., Sato, Y., Saito, N., Oura, M., Schöffler, M., Kastirke, G., Hergenhahn, U., Stumpf, V., Gokhberg, K., Kuleff, A. I., Cederbaum, L. S., Ueda, K

“…Inner-shell ionization of an isolated atom typically leads to Auger decay. In an environment, for example, a liquid or a van der Waals bonded system, this…”
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Enhanced Ionization of Embedded Clusters by Electron-Transfer-Mediated Decay in Helium Nanodroplets by LaForge, A C, Stumpf, V, Gokhberg, K, von Vangerow, J, Stienkemeier, F, Kryzhevoi, N V, O'Keeffe, P, Ciavardini, A, Krishnan, S R, Coreno, M, Prince, K C, Richter, R, Moshammer, R, Pfeifer, T, Cederbaum, L S, Mudrich, M

“…We report the observation of electron-transfer-mediated decay (ETMD) involving magnesium (Mg) clusters embedded in helium (He) nanodroplets. ETMD is initiated…”
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Vibrationally resolved decay width of interatomic Coulombic decay in HeNe by Trinter, F, Williams, J B, Weller, M, Waitz, M, Pitzer, M, Voigtsberger, J, Schober, C, Kastirke, G, Müller, C, Goihl, C, Burzynski, P, Wiegandt, F, Wallauer, R, Kalinin, A, Schmidt, L Ph H, Schöffler, M S, Chiang, Y-C, Gokhberg, K, Jahnke, T, Dörner, R

“…We investigate the ionization of HeNe from below the He 1s3p excitation to the He ionization threshold. We observe HeNe+ ions with an enhancement by more than…”
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Interatomic electronic decay processes in singly and multiply ionized clusters by Averbukh, V., Demekhin, Ph.V., Kolorenč, P., Scheit, S., Stoychev, S.D., Kuleff, A.I., Chiang, Y.-C., Gokhberg, K., Kopelke, S., Sisourat, N., Cederbaum, L.S.

“…Since their theoretical prediction in 1997, interatomic (intermolecular) Coulombic decay (ICD) and related processes have been in the focus of intensive…”
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Ultrafast temporal evolution of interatomic Coulombic decay in NeKr dimers by Trinter, F, Miteva, T, Weller, M, Hartung, A, Richter, M, Williams, J. B, Gatton, A, Gaire, B, Sartor, J, Landers, A. L, Berry, B, Ben-Itzhak, I, Sisourat, N, Stumpf, V, Gokhberg, K, Dörner, R, Jahnke, T, Weber, T

“…We investigate interatomic Coulombic decay in NeKr dimers after neon inner-valence photoionization [Ne + (2s −1 )] using a synchrotron light source. We measure…”
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Enhanced one-photon double ionization of atoms and molecules in an environment of different species by Stumpf, V, Kryzhevoi, N V, Gokhberg, K, Cederbaum, L S

“…The correlated nature of electronic states in atoms and molecules is manifested in the simultaneous emission of two electrons after absorption of a single…”
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Ab initio interatomic decay widths of excited states by applying Stieltjes imaging to Lanczos pseudospectra by Kopelke, S, Gokhberg, K, Averbukh, V, Tarantelli, F, Cederbaum, L S

“…Electronically excited states of atoms and molecules in an environment may decay in interatomic processes by transferring excess energy to neighboring species…”
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Ionization of metal atoms following valence-excitation of neighbouring molecules by Gokhberg, K, Trofimov, A. B, Sommerfeld, T, Cederbaum, L. S

“…A new relaxation pathway of optically allowed valence-excitations in molecules bound to metal atoms was investigated. We show that the sigmanonpi* excitation…”
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A comprehensive study of Interatomic Coulombic Decay in argon dimers: Extracting R-dependent absolute decay rates from the experiment by Rist, J., Miteva, T., Gaire, B., Sann, H., Trinter, F., Keiling, M., Gehrken, N., Moradmand, A., Berry, B., Zohrabi, M., Kunitski, M., Ben-Itzhak, I., Belkacem, A., Weber, T., Landers, A.L., Schöffler, M., Williams, J.B., Kolorenč, P., Gokhberg, K., Jahnke, T., Dörner, R.

“…In this work we present a comprehensive and detailed study of Interatomic Coulombic Decay (ICD) occurring after irradiating argon dimers with XUV-synchrotron…”
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Ion pair formation in the NeAr dimer irradiated by monochromatic soft X-rays by Ouchi, T., Stumpf, V., Miteva, T., Fukuzawa, H., Sakai, K., Liu, X.-J., Mazza, T., Schöffler, M., Iwayama, H., Nagaya, K., Tamenori, Y., Saito, N., Kuleff, A.I., Gokhberg, K., Ueda, K.

“…We investigated Ne+–Ar+ ion-pair formation which follows irradiation of the NeAr dimer by monochromatic soft X-rays. Using momentum-resolved electron-ion…”
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A comprehensive study of Interatomic Coulombic Decay in argon dimers: Extracting R-dependent absolute decay rates from the experiment by Rist, J., Miteva, T., Gaire, B., Sann, H., Trinter, F., Keiling, M., Gehrken, N., Moradmand, A., Berry, B., Zohrabi, M., Kunitski, M., Ben-Itzhak, I., Belkacem, A., Weber, T., Landers, A. L., Schöffler, M., Williams, J. B., Kolorenč, P., Gokhberg, K., Jahnke, T., Dörner, R.

“…In this paper we present a comprehensive and detailed study of Interatomic Coulombic Decay (ICD) occurring after irradiating argon dimers with XUV-synchrotron…”
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Interatomic Coulombic electron capture by Gokhberg, K., Cederbaum, L. S.

“…In a previous publication [K. Gokhberg and L. S. Cederbaum, J. Phys. B 42, 231001 (2009)] we presented the interatomic Coulombic electron capture process--an…”
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Ionization of metal atoms following valence-excitation of neighbouringmolecules by Gokhberg, K., Trofimov, A. B., Sommerfeld, T., Cederbaum, L. S.

“…A new relaxation pathway of optically allowed valence-excitations in molecules bound to metal atoms was investigated. We show that the $\sigma_{non}\pi^{\ast}$…”
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Dependence of interatomic decay widths on the symmetry of the decaying state: Analytical expressions and ab initio results by Gokhberg, K., Kopelke, S., Kryzhevoi, N. V., Kolorenč, P., Cederbaum, L. S.

“…In this article, we investigate the dependence of interatomic Coulombic decay widths on the symmetry of the decaying state. In this type of decay, excited,…”
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Fano Resonances observed in Helium Nanodroplets by LaForge, A. C, Regina, D, Jabbari, G, Gokhberg, K, Kryzhevoi, N. V, Krishnan, S. R, Hess, M, O'Keeffe, P, Ciavardini, A, Prince, K. C, Richter, R, Moshammer, R, Cederbaum, L. S, Pfeifer, T, Stienkemeier, F, Mudrich, M

“…Phys. Rev. A 93, 050502 (2016) Doubly-excited Rydberg states of helium (He) nanodroplets have been studied using synchrotron radiation. We observed Fano…”
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Enhanced ionization of embedded clusters by Electron Transfer Mediated Decay in helium nanodroplets by LaForge, A. C, Stumpf, V, Gokhberg, K, von Vangerow, J, Kryzhevoi, N. V, O'Keeffe, P, Ciavardini, A, Krishnan, S. R, Coreno, M, Prince, K. C, Richter, R, Moshammer, R, Pfeifer, T, Cederbaum, L. S, Stienkemeier, F, Mudrich, M

“…Phys. Rev. Lett. 116, 203001 (2016) Here, we report the observation of electron transfer mediated decay (ETMD) involving Mg clusters embedded in helium…”
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Overcoming blockade in producing doubly-excited dimers by a single intense pulse and their decay by Demekhin, Ph. V, Gokhberg, K, Jabbari, G, Kopelke, S, Kuleff, A. I, Cederbaum, L. S

“…J. Phys. B: At. Mol. Opt. Phys. 46 (2013) 021001 Excitation of two identical species in a cluster by the absorption of two photons of the same energy is…”
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Vibrationally Resolved Decay Width of Interatomic Coulombic Decay in HeNe by Trinter, F, Williams, J. B, Weller, M, Waitz, M, Pitzer, M, Voigtsberger, J, Schober, C, Kastirke, G, Müller, C, Goihl, C, Burzynski, P, Wiegandt, F, Wallauer, R, Kalinin, A, Schmidt, L. Ph. H, Schöffler, M. S, Chiang, Y. -C, Gokhberg, K, Jahnke, T, Dörner, R

“…Phys. Rev. Lett. 111, 233004 (2013) We investigate the ionization of HeNe from below the He 1s3p excitation to the He ionization threshold. We observe HeNe$^+$…”
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