activity
20132026
most citedIonization fraction and the enhanced sulfur chemistry in Barnard 1

70 citations · 289 across the 16 of their papers we have counts for

collaborators

16 papers

physics.chem-ph2026★ 1 cited

Multistate Coupled Diabatic Neural Network potential for the quantum non-adiabatic Photofragmentation of CH

Pablo del Mazo-Sevillano, Susana Gomez-Carrasco, Alfredo Aguado +1

Tracking the complex non-adiabatic transitions in far-ultraviolet photodissociation demands highly accurate diabatic potential energy matrices (PEMs) across numerous excited states…

astro-ph.GA2024★ 2 cited

Inelastic H + H Collision rates and their impact in the determination of the excitation temperature of H

Daniel Felix-Gonzalez, Pablo del Mazo-Sevillano, Alfredo Aguado +5

Context. In dffuse interstellar clouds the excitation temperature derived from the lowest levels of H is systematically lower than that derived from H2. The differences may b…

astro-ph.SR2024

Quantum study of the CH photodissociation in full dimension Neural Networks potential energy surfaces

Pablo del Mazo-Sevillano, Alfredo Aguado, Javier R. Goicoechea +1

CH, a cornerstone intermediate in interstellar chemistry, has recently been detected for the first time by the James Webb Space Telescope. The photodissociation of this ion i…

physics.chem-ph2023★ 4 cited

Vibrational, non-adiabatic and isotopic effects in the dynamics of the H + H H + H reaction: application to plasma modeling

P. del Mazo-Sevillano, D. Félix-González, A. Aguado +3

The title reaction is studied using a quasi-classical trajectory method for collision energies between 0.1 meV and 10 eV, considering the vibrational excitation of H reactant…

physics.chem-ph2022★ 7 cited

Spin-orbit transitions in the N() + H NH(, )+ H() reaction, using adiabatic and mixed quantum-adiabatic statistical approaches

Susana Gomez-Carrasco, Daniel Felix-Gonzalez, Alfredo Aguado +1

The cross section and rate constants for the title reaction are calculated for all the spin-orbit states of N() using two statistical approaches, one purely adiabati…

physics.chem-ph2021★ 3 cited

Vibrational effects in the quantum dynamics of the H + D_2^+ charge transfer reaction

O. Roncero, V. Andrianarijaona, A. Aguado +1

The H + D_2^+(v=0,1 and 2) charge transfer reaction is studied using an accurate wave packet method, using recently proposed coupled diabatic potential energy surfaces. The state-t…

physics.chem-ph2021★ 9 cited

Near-resonant effects in the quantum dynamics of the H+H H+ H charge transfer reaction and isotopic variants

Cristina Sanz-Sanz, Alfredo Aguado, Octavio Roncero

The non-adiabatic quantum dynamics of the H+H H+ H charge transfer reactions, and some isotopic variants, is studied with an accurate wave packet method…

astro-ph.GA2021★ 43 cited

Bottlenecks to interstellar sulfur chemistry: Sulfur-bearing hydrides in UV-illuminated gas and grains

J. R. Goicoechea, A. Aguado, S. Cuadrado +8

Hydride molecules lie at the base of interstellar chemistry, but the synthesis of sulfuretted hydrides is poorly understood. Motivated by new observations of the Orion Bar PDR - 1'…

physics.chem-ph2021★ 2 cited

Neural Network Potential Energy Surface for the low temperature Ring Polymer Molecular Dynamics of the H2CO + OH reaction

Pablo del Mazo-Sevillano, Alfredo Aguado, Octavio Roncero

A new potential energy surface (PES) and dynamical study are presented of the reactive process between H2CO + OH towards the formation of HCO + H2O and HCOOH + H. In this work a so…

astro-ph.GA2020★ 27 cited

Gas-phase Elemental abundances in Molecular cloudS (GEMS) III. Unlocking the CS chemistry: the CS+O reaction

N. Bulut, O. Roncero, A. Aguado +36

CS is among the most abundant gas-phase S-bearing molecules in cold dark molecular clouds. It is easily observable with several transitions in the millimeter wavelength range, and…

astro-ph.GA2017★ 2 cited

The ALMA view of UV irradiated cloud edges: unexpected structures and processes

Javier R. Goicoechea, S. Cuadrado, J. Pety +8

Far-UV photons (E<13.6 eV) from hot massive stars regulate, or at least influence, the heating, ionization, and chemistry of most of the neutral interstellar medium. Investigating…

astro-ph.GA2016★ 57 cited

Trans-cis molecular photoswitching in interstellar Space

S. Cuadrado, J. R. Goicoechea, O. Roncero +3

As many organic molecules, formic acid (HCOOH) has two conformers (trans and cis). The energy barrier to internal conversion from trans to cis is much higher than the thermal energ…

astro-ph.GA2016★ 70 cited

Ionization fraction and the enhanced sulfur chemistry in Barnard 1

A. Fuente, J. Cernicharo, E. Roueff +7

Barnard B1b has revealed as one of the most interesting globules from the chemical and dynamical point of view. It presents a rich molecular chemistry characterized by large abunda…

astro-ph.SR2014★ 42 cited

OH+ in astrophysical media: state-to-state formation rates, Einstein coefficients and inelastic collision rates with He

S. Gomez-Carrasco, B. Godard, F. Lique +9

The rate constants required to model the OH observations in different regions of the interstellar medium have been determined using state of the art quantum methods. First, sta…

astro-ph.SR2014★ 16 cited

Depolarizing collisions with hydrogen: neutral and singly ionized alkaline earths

Rafael Manso Sainz, Octavio Roncero, Cristina Sanz-Sanz +3

Depolarizing collisions are elastic or quasielastic collisions that equalize the populations and destroy the coherence between the magnetic sublevels of atomic levels. In astrophys…

cond-mat.mes-hall2013★ 4 cited

Electron transport signature of H dissociation on atomic gold wires

Alexandre Zanchet, Anaís Dorta-Urra, Octavio Roncero +4

Non-equilibrium Green's functions calculations based on density functional theory show a direct link between the initial stages of H dissociation on a gold atomic wire and the…