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Ultrafast Charge Rearrangement and Nuclear Dynamics upon Inner-Shell Multiple Ionization of Small Polyatomic Molecules

MPS-Authors

Luigi,  Benjamin
Max Planck Advanced Study Group (ASG) at CFEL;
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

Rudek,  Benedikt
Max Planck Advanced Study Group (ASG) at CFEL;
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;
DESY;

Epp,  Sascha
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Filsinger,  Frank
Molecular Physics, Fritz Haber Institute, Max Planck Society;

Schroeter,  C.D.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

Moshammer,  Robert
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

Joachim,  U.
Max Planck Advanced Study Group (ASG) at CFEL;
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;
Physikalisch-Technische Bundesanstalt;

Rudenko,  A.
Max Planck Advanced Study Group (ASG) at CFEL;
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;
J. R. Macdonald Laboratory, Department of Physics, Kansas State University;

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Fulltext (public)

PhysRevLett.110.053003.pdf
(Publisher version), 673KB

Supplementary Material (public)
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Citation

Luigi, B., Rolles, D., Foucar, L., Rudek, B., Epp, S., Cryle, M. J., et al. (2013). Ultrafast Charge Rearrangement and Nuclear Dynamics upon Inner-Shell Multiple Ionization of Small Polyatomic Molecules. Physical Review Letters, 110(5): 053003. doi:10.1103/PhysRevLett.110.053003.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0014-A0B6-F
Abstract
Ionization and fragmentation of methylselenol (CH3SeH) molecules by intense (>1017  W/cm2) 5 fs x-ray pulses (ℏω=2  keV) are studied by coincident ion momentum spectroscopy. We contrast the measured charge state distribution with data on atomic Kr, determine kinetic energies of resulting ionic fragments, and compare them to the outcome of a Coulomb explosion model. We find signatures of ultrafast charge redistribution from the inner-shell ionized Se atom to its molecular partners, and observe significant displacement of the atomic constituents in the course of multiple ionization.