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Coupling of electronic and nuclear motion in a negative ion resonance: Experimental and theoretical study of benzene

Allan, Michael ; Čurík, Roman ; Čársky, Petr

In: The Journal of Chemical Physics, 2019, vol. 151, no. 6, p. 064119

We present calculated and measured elastic and vibrational excitation cross sections in benzene with the objective to assess the reliability of the theoretical method and to shed more light on how the electronic motion of the incoming electron is coupled with the nuclear motion of the vibrations. The calculation employed the discrete momentum representation method which involves solving the...

Excited-state band mapping and momentum-resolved ultrafast population dynamics in In/Si(111) nanowires investigated with XUV-based time- and angle-resolved photoemission spectroscopy

Nicholson, Christopher W. ; Puppin, M. ; Lücke, A. ; Gerstmann, U. ; Krenz, M. ; Schmidt, W. G. ; Rettig, L. ; Ernstorfer, R. ; Wolf, M.

In: Physical Review B, 2019, vol. 99, no. 15, p. 155107

We investigate the excited state electronic structure of the model phase transition system In/Si(111) using femtosecond time- and angle-resolved photoemission spectroscopy (trARPES). An extreme ultraviolet 500 kHz laser source at 21.7 eV is utilized both to map the energy of excited states above the Fermi level and follow the momentum-resolved population dynamics on a femtosecond timescale....

Dissociative electron attachment and electronic excitation in Fe(CO)5

Allan, Michael ; Lacko, M. ; Papp, P. ; Matejčík, Š. ; Zlatar, Matija ; Fabrikant, Ilya I. ; Kočišek, J. ; Fedor, Juraj

In: Physical Chemistry Chemical Physics, 2018, vol. 20, no. 17, p. 11692–11701

In a combined experimental and theoretical study we characterize dissociative electron attachment (DEA) to, and electronically excited states of, Fe(CO)5. Both are relevant for electron-induced degradation of Fe(CO)5. The strongest DEA channel is cleavage of one metal–ligand bond that leads to production of Fe(CO)4−. High- resolution spectra of Fe(CO)4− reveal fine structures at the...

Near-infrared resonant photoacoustic gas measurement using simultaneous dual-frequency excitation

Rey, J. ; Romer, C. ; Gianella, M. ; Sigrist, M.

In: Applied Physics B, 2010, vol. 100, no. 1, p. 189-194

Simultaneous determination of Ψ and Φ angles in proteins from measurements of cross-correlated relaxation effects

Pelupessy, Philippe ; Chiarparin, Elisabetta ; Ghose, Ranajeet ; Bodenhausen, Geoffrey

In: Journal of Biomolecular NMR, 1999, vol. 14, no. 3, p. 277-280

Electronic spectra of C6H+ and C6H 3 + in the gas phase

Raghunandan, Ranjini ; Mazzotti, Fabio ; Maier, John

In: Journal of the American Society for Mass Spectrometry, 2010, vol. 21, no. 5, p. 694-697

Flow in near-critical fluids induced by shock and expansion waves

Schlamp, S. ; Rösgen, T.

In: Shock Waves, 2005, vol. 14, no. 1-2, p. 93-101

Shape and core-excited resonances in thiophene

Loupas, Alexandra ; Regeta, Khrystyna ; Allan, Michael ; Gorfinkiel, Jimena D.

In: The Journal of Physical Chemistry A, 2018, vol. 122, no. 4, p. 1146–1155

We present a comprehensive study of resonance formation in electron collisions with thiophene. Detailed calculations have been performed using the ab initio R-matrix method. Absolute differential cross sections for electron impact excitation up to 18 eV and for two scattering angles, 90 and 135°, have been measured. Agreement between the calculated and measured experimental cross sections is...

Relaxation Dynamics of Electronically Excited C60− in o-Dichlorobenzene and Tetrahydrofuran Solution

Brands, Helge ; Ehrler, Oli T. ; Kappes, Manfred ; Unterreiner, Andreas-Neil

In: Zeitschrift für Physikalische Chemie, 2011, vol. 225, no. 9-10, p. 939-956

Threshold Photoelectron Spectrum of Isolated NTCDA

Fischer, Kathrin H. ; Fischer, Ingo ; Bodi, Andras

In: Zeitschrift für Physikalische Chemie, 2011, vol. 225, no. 6-7, p. 715-722