Time-resolved relaxation and fragmentation of polycyclic aromatic hydrocarbons investigated in the ultrafast XUV-IR regime

JWL Lee, DS Tikhonov, P Chopra, S Maclot… - Nature …, 2021 - nature.com
Polycyclic aromatic hydrocarbons (PAHs) play an important role in interstellar chemistry and
are subject to high energy photons that can induce excitation, ionization, and fragmentation …

Cooling dynamics of energized naphthalene and azulene radical cations

JWL Lee, MH Stockett, EK Ashworth… - The Journal of …, 2023 - pubs.aip.org
Naphthalene and azulene are isomeric polycyclic aromatic hydrocarbons (PAHs) and are
topical in the context of astrochemistry due to the recent discovery of substituted …

Multiply charged naphthalene and its C10H8 isomers: bonding, spectroscopy, and implications in AGN environments

JC Santos, F Fantuzzi, HM Quitián-Lara… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT Naphthalene (C10H8) is the simplest polycyclic aromatic hydrocarbon (PAH)
and an important component in a series of astrochemical reactions involving hydrocarbons …

Aromatic and acetylenic C–H or C–D stretching bands anharmonicity detection of phenylacetylene by UV laser-induced vibrational emission

O Lacinbala, G Féraud, J Vincent… - The Journal of Physical …, 2022 - ACS Publications
The anharmonic infrared (IR) emission spectra of phenylacetylene C6H5CCH and an
isotopologue C6H5CCD induced by 193 nm UV excitation have been investigated in the …

Time-frequency mapping of two-colour photoemission driven by harmonic radiation

B Moio, GL Dolso, G Inzani, N Di Palo… - Journal of Physics B …, 2021 - iopscience.iop.org
The use of few-femtosecond, extreme ultraviolet (XUV) pulses, produced by high-order
harmonic generation, in combination with few-femtosecond infrared (IR) pulses in pump …

Approaching black-box calculations of pump-probe fragmentation dynamics of polyatomic molecules

DS Tikhonov, A Datta, P Chopra, AL Steber… - Zeitschrift für …, 2020 - degruyter.com
A general framework for the simulation of ultrafast pump-probe time resolved experiments
based on Born-Oppenheimer molecular dynamics (BOMD) is presented. Interaction of the …

Single-photon hot-electron ionization of

Å Andersson, L Schio, R Richter, M Alagia, S Stranges… - Physical Review A, 2023 - APS
Gas phase C 70 molecules have been ionized with single photons of energies between 16
and 70 eV, and the electron spectra measured with velocity map imaging in coincidence …

[HTML][HTML] Autoionization from the plasmon resonance in isolated 1-cyanonaphthalene

JN Bull, P Bolognesi, CS Anstöter… - The Journal of …, 2023 - pubs.aip.org
Polycyclic aromatic hydrocarbons have widely been conjectured to be ubiquitous in space,
as supported by the recent discovery of two isomers of cyanonaphthalene, indene, and 2 …

Astrochemically Relevant Polycyclic Aromatic Hydrocarbons Investigated using Ultrafast Pump-probe Spectroscopy and Near-edge X-ray Absorption Fine Structure …

P Chopra - 2022 - macau.uni-kiel.de
The chemical complexity of the interstellar medium has been a subject of great interest to
researchers for decades. A significant contender in this chemical make-up, constituting∼ …

Vibrational relaxation of XUV-induced hot ground state cations of naphthalene

G Reitsma, S Patchkovskii, J Dura… - The Journal of …, 2021 - ACS Publications
Time-resolved XUV-IR photoion mass spectroscopy of naphthalene conducted with
broadband as well as with wavelength-selected narrowband XUV pulses reveals a rising …