Inner-shell multiple ionization of polyatomic molecules with an intense x-ray free-electron laser studied by coincident ion momentum imaging

B. Erk; D. Rolles; L. Foucar; B. Rudek; S. W. Epp; M. Cryle; C. Bostedt; S. Schorb; J. Bozek; A. Rouzee; A. Hundertmark; T. Marchenko; M. Simon; F. Filsinger; L. Christensen; S. De; S. Trippel; J. Küpper; H. Stapelfeldt; S. Wada; K. Ueda; M. Swiggers; M. Messerschmidt; C. D. Schröter; R. Moshammer; I. Schlichting; J. Ullrich; A. Rudenko

doi:10.1088/0953-4075/46/16/164031

Inner-shell multiple ionization of polyatomic molecules with an intense x-ray free-electron laser studied by coincident ion momentum imaging

B. Erk, D. Rolles, L. Foucar, B. Rudek, S. W. Epp, M. Cryle, C. Bostedt, S. Schorb, J. Bozek, A. Rouzee, A. Hundertmark, T. Marchenko, M. Simon, F. Filsinger, L. Christensen, S. De, S. Trippel, J. Küpper, H. Stapelfeldt, S. WadaK. Ueda, M. Swiggers, M. Messerschmidt, C. D. Schröter, R. Moshammer, I. Schlichting, J. Ullrich, A. Rudenko

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Abstract

The ionization and fragmentation of two selenium containing hydrocarbon molecules, methylselenol (CH₃SeH) and ethylselenol (C ₂H₅SeH), by intense (>10¹⁷ W cm ^-2) 5 fs x-ray pulses with photon energies of 1.7 and 2 keV has been studied by means of coincident ion momentum spectroscopy. Measuring charge states and ion kinetic energies, we find signatures of charge redistribution within the molecular environment. Furthermore, by analyzing fragment ion angular correlations, we can determine the laboratory-frame orientation of individual molecules and thus investigate the fragmentation dynamics in the molecular frame. This allows distinguishing protons originating from different molecular sites along with identifying the reaction channels that lead to their emission.

Original language	English (US)
Article number	164031
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Volume	46
Issue number	16
DOIs	https://doi.org/10.1088/0953-4075/46/16/164031
State	Published - Aug 28 2013
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Condensed Matter Physics

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10.1088/0953-4075/46/16/164031

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Erk, B., Rolles, D., Foucar, L., Rudek, B., Epp, S. W., Cryle, M., Bostedt, C., Schorb, S., Bozek, J., Rouzee, A., Hundertmark, A., Marchenko, T., Simon, M., Filsinger, F., Christensen, L., De, S., Trippel, S., Küpper, J., Stapelfeldt, H., ... Rudenko, A. (2013). Inner-shell multiple ionization of polyatomic molecules with an intense x-ray free-electron laser studied by coincident ion momentum imaging. Journal of Physics B: Atomic, Molecular and Optical Physics, 46(16), Article 164031. https://doi.org/10.1088/0953-4075/46/16/164031

Erk, B, Rolles, D, Foucar, L, Rudek, B, Epp, SW, Cryle, M, Bostedt, C, Schorb, S, Bozek, J, Rouzee, A, Hundertmark, A, Marchenko, T, Simon, M, Filsinger, F, Christensen, L, De, S, Trippel, S, Küpper, J, Stapelfeldt, H, Wada, S, Ueda, K, Swiggers, M, Messerschmidt, M, Schröter, CD, Moshammer, R, Schlichting, I, Ullrich, J & Rudenko, A 2013, 'Inner-shell multiple ionization of polyatomic molecules with an intense x-ray free-electron laser studied by coincident ion momentum imaging', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 46, no. 16, 164031. https://doi.org/10.1088/0953-4075/46/16/164031

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title = "Inner-shell multiple ionization of polyatomic molecules with an intense x-ray free-electron laser studied by coincident ion momentum imaging",

abstract = "The ionization and fragmentation of two selenium containing hydrocarbon molecules, methylselenol (CH3SeH) and ethylselenol (C 2H5SeH), by intense (>1017 W cm -2) 5 fs x-ray pulses with photon energies of 1.7 and 2 keV has been studied by means of coincident ion momentum spectroscopy. Measuring charge states and ion kinetic energies, we find signatures of charge redistribution within the molecular environment. Furthermore, by analyzing fragment ion angular correlations, we can determine the laboratory-frame orientation of individual molecules and thus investigate the fragmentation dynamics in the molecular frame. This allows distinguishing protons originating from different molecular sites along with identifying the reaction channels that lead to their emission.",

author = "B. Erk and D. Rolles and L. Foucar and B. Rudek and Epp, {S. W.} and M. Cryle and C. Bostedt and S. Schorb and J. Bozek and A. Rouzee and A. Hundertmark and T. Marchenko and M. Simon and F. Filsinger and L. Christensen and S. De and S. Trippel and J. K{\"u}pper and H. Stapelfeldt and S. Wada and K. Ueda and M. Swiggers and M. Messerschmidt and Schr{\"o}ter, {C. D.} and R. Moshammer and I. Schlichting and J. Ullrich and A. Rudenko",

year = "2013",

month = aug,

day = "28",

doi = "10.1088/0953-4075/46/16/164031",

language = "English (US)",

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journal = "Journal of Physics B: Atomic, Molecular and Optical Physics",

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T1 - Inner-shell multiple ionization of polyatomic molecules with an intense x-ray free-electron laser studied by coincident ion momentum imaging

AU - Erk, B.

AU - Rolles, D.

AU - Foucar, L.

AU - Rudek, B.

AU - Epp, S. W.

AU - Cryle, M.

AU - Bostedt, C.

AU - Schorb, S.

AU - Bozek, J.

AU - Rouzee, A.

AU - Hundertmark, A.

AU - Marchenko, T.

AU - Simon, M.

AU - Filsinger, F.

AU - Christensen, L.

AU - De, S.

AU - Trippel, S.

AU - Küpper, J.

AU - Stapelfeldt, H.

AU - Wada, S.

AU - Ueda, K.

AU - Swiggers, M.

AU - Messerschmidt, M.

AU - Schröter, C. D.

AU - Moshammer, R.

AU - Schlichting, I.

AU - Ullrich, J.

AU - Rudenko, A.

PY - 2013/8/28

Y1 - 2013/8/28

N2 - The ionization and fragmentation of two selenium containing hydrocarbon molecules, methylselenol (CH3SeH) and ethylselenol (C 2H5SeH), by intense (>1017 W cm -2) 5 fs x-ray pulses with photon energies of 1.7 and 2 keV has been studied by means of coincident ion momentum spectroscopy. Measuring charge states and ion kinetic energies, we find signatures of charge redistribution within the molecular environment. Furthermore, by analyzing fragment ion angular correlations, we can determine the laboratory-frame orientation of individual molecules and thus investigate the fragmentation dynamics in the molecular frame. This allows distinguishing protons originating from different molecular sites along with identifying the reaction channels that lead to their emission.

AB - The ionization and fragmentation of two selenium containing hydrocarbon molecules, methylselenol (CH3SeH) and ethylselenol (C 2H5SeH), by intense (>1017 W cm -2) 5 fs x-ray pulses with photon energies of 1.7 and 2 keV has been studied by means of coincident ion momentum spectroscopy. Measuring charge states and ion kinetic energies, we find signatures of charge redistribution within the molecular environment. Furthermore, by analyzing fragment ion angular correlations, we can determine the laboratory-frame orientation of individual molecules and thus investigate the fragmentation dynamics in the molecular frame. This allows distinguishing protons originating from different molecular sites along with identifying the reaction channels that lead to their emission.

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SN - 0953-4075

VL - 46

JO - Journal of Physics B: Atomic, Molecular and Optical Physics

JF - Journal of Physics B: Atomic, Molecular and Optical Physics

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Inner-shell multiple ionization of polyatomic molecules with an intense x-ray free-electron laser studied by coincident ion momentum imaging

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