8 citations · 19 across the 8 of their papers we have counts for
8 papers
Collisional excitation of cyclopentadiene by helium. A complete set of rate coefficients and astrophysical applications
Sándor Demes, François Lique, Marcelino Agúndez +1
Complex organic molecules, including large cyclic species, are prevalent in interstellar space and play a key role in various astrochemical processes. Cyclopentadiene (c-C5H6) is a…
Collisional excitation of HCO by He: Experimental validation of state-of-the-art scattering calculations
Chinmai Sai Jureddy, Sandor Demes, Francesca Tonolo +2
Non-local thermodynamic equilibrium conditions in the interstellar medium require collisional rate coefficients to model astronomical observations; these are usually determined fro…
Dissociative recombination of NH: Isotopic effects
J. Zs. Mezei, A. Orban, S. Demes +4
The investigation of the isotopic ratio of interstellar nitrogen -- N versus N -- is done, for explaining its variations observed for N2H+ in different interstellar a…
Rotational excitation cross sections for chloronium based on a new 5D interaction potential with molecular hydrogen
Sándor Demes, Dariusz Kędziera, Alexandre Faure +1
Chloronium (HCl) is an important intermediate of Cl-chemistry in space. The accurate knowledge of its collisional properties allows a better interpretation of the correspon…
First close-coupling study of the excitation of a large cyclic molecule: collision of c-C5H6 with He
Sándor Demes, Cheikh Tidiane Bop, Malek Ben Khalifa +1
Recent astronomical observations revealed an increasing molecular complexity in the interstellar medium through the detection of a series of large cyclic carbon species. To correct…
Hyperfine collisional excitation of ammonia by molecular hydrogen
J. Loreau, A. Faure, F. Lique +2
Ammonia is one of the most widely observed molecules in space, and many observations are able to resolve the hyperfine structure due to the electric quadrupole moment of the nitrog…
An accurate set of HO H collisional rate coefficients for non-LTE modelling of warm interstellar clouds
Sándor Demes, François Lique, Alexandre Faure +1
Hydronium (HO) was first detected in 1986 in interstellar molecular clouds. It was reported in many galactic diffuse and dense regions, as well as in extragalactic sources.…
Rotational excitation of HO cations by para-H: improved collisional data at low temperatures
S. Demes, François Lique, Alexandre Faure +3
The hydronium cation plays a crucial role in interstellar oxygen and water chemistry. While its spectroscopy was extensively investigated earlier, the collisional excitation of H$_…