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A theoretical investigation of the dissociative excitation by electron impact on the NO molecule is presented, aiming to make up for the lack of data for this process in the literature. A full set of vibrationally-resolved cross sections…

Atomic Physics · Physics 2020-05-22 V. Laporta , J. Tennyson , I. F. Schneider

State-by-state cross sections for dissociative electron attachment and electron-impact dissociation for molecular oxygen are computed using ab initio resonance curves calculated with the R-matrix method. When O2 is in its vibrational ground…

Plasma Physics · Physics 2015-01-09 V. Laporta , R. Celiberto , J. Tennyson

Kinetic energy and angular distributions of O$^-$ ions formed by dissociative electron attachment to CO molecule have been studied for 9, 9.5, 10, 10.5, 11, 11.5 eV incident electron energies around the resonance using time sliced velocity…

Atomic and Molecular Clusters · Physics 2015-02-10 Pamir Nag , Dhananjay Nandi

This paper presents a theoretical investigation of the cross sections for dissociative electron attachment and dissociative excitation processes in vibrationally excited CH radicals induced by electron impact. Resonant electron-CH…

Atomic Physics · Physics 2026-02-12 O. Abidi , I. Jendoubi , M. Telmini , R. Ghosh , K. Chakrabarti , V. Laporta

In this paper, we discuss the dissociative electron attachment process in Ammonia. Kinetic energy and angular distributions of H^{-} and NH_{2}^{-} fragment anions across the two well known resonances at 5.5 eV and 10.5 eV are reported. The…

Chemical Physics · Physics 2010-07-30 N. Bhargava Ram , E. Krishnakumar

In this paper, we discuss the dissociative electron attachment process in Formic Acid and Propyl Amine. These are molecules containing more than one functional group and have low symmetry (Cs group). We measured the kinetic energy and…

Chemical Physics · Physics 2010-07-30 N. Bhargava Ram , E. Krishnakumar

Electron-impact vi->vf vibrational excitations cross sections, involving rovibrationally excited N_{2}(v_{i}, J) and NO(v_{i}, J) molecules (fixed J), are calculated for collisions occurring through the nitrogen resonant electronic state…

Plasma Physics · Physics 2016-09-30 V. Laporta , R. Celiberto , J. M. Wadehra

In this article, density functional theory (DFT) and natural bond orbital (NBO) calculations are performed to understand experimental observations of dissociative electron attachment (DEA) to SO$_2$. The molecular structure, fundamental…

Atomic and Molecular Clusters · Physics 2018-07-09 Irina Jana , Sumit Naskar , Mousumi Das , Dhananjay Nandi

Resonant vibrational excitation cross sections and the corresponding rate coefficients for electron-N$_2$ collisions occurring through the N$_2^-(\textrm{X}\ ^2\Pi_g)$ resonant state are reviewed. New calculations are performed using…

Plasma Physics · Physics 2015-06-18 V. Laporta , D. A. Little , R. Celiberto , J. Tennyson

A theoretical investigation of electron-D2 resonant collisions - via the low lying and the Rydberg states of D2- - is presented for vibrational excitation, dissociative electron attachment and dissociative excitation processes by using the…

Atomic Physics · Physics 2024-11-15 V Laporta , R Agnello , G Fubiani , I Furno , C Hill , D Reiter , F Taccogna

A full set of vibrationally-resolved cross sections for electron impact excitation of NO(X2{\Pi}, v) molecules is calculated from ab initio molecular dynamics, in the framework of the local-complex-potential approach. Electron-vibration…

Atomic Physics · Physics 2024-11-15 V Laporta , L Vialetto , V Guerra

Dissociative electron attachment (DEA) to the HNC$_3$ is modeled theoretically using a first-principles approach. In HNC$_3$+$e^-$ collisions, there is a low-energy resonance, which has a repulsive character along the H+NC$_3$ coordinate…

Complete dissociation dynamics of low energy electron attachment to nitrogen dioxide around 8.5 eV resonance has been studied using a velocity map imaging (VMI) spectrometer. Besides the three prominent resonant peaks at around 1.4 eV, 3.1…

Atomic and Molecular Clusters · Physics 2023-04-25 Anirban Paul , Dipayan Biswas , Dhananjay Nandi

Complete dissociation dynamics of low energy electron attachment to ammonia molecule has been studied using velocity slice imaging (VSI) spectrometer. One low energy resonant peak around 5.5 eV and a broad resonance around 10.5 eV incident…

Atomic and Molecular Clusters · Physics 2019-09-11 Dipayan Chakraborty , Aranya Giri , Dhananjay Nandi

The role of a large dipole moment in rotating neutral molecules interacting with low-energy electrons is studied using an accurate {\it ab initio} approach accounting for electronic and rotational degrees of freedom. It is found that theory…

Atomic Physics · Physics 2023-05-03 Joshua Forer , Viatcheslav Kokoouline , Thierry Stoecklin

We present a study of dissociative electron attachment and vibrational excitation processes in electron collisions with the CF$_3$Cl molecule. The calculations are based on the two-dimensional nuclear dynamics including the C-Cl symmetric…

Chemical Physics · Physics 2011-12-09 Michal Tarana , Karel Houfek , Jiří Horáček , Ilya I. Fabrikant

We experimentally probe electron collisions with HC$_3$N in the energy range from 0 to 10 eV with the focus on vibrational excitation and dissociative electron attachment. The vibrational excitation cross sections show a number of…

Chemical Physics · Physics 2018-12-04 M. Ranković , P. Nag , M. Zawadzki , L. Ballauf , J. Žabka , M. Polášek , J. Kočišek , J. Fedor

The Ni(CO)4, Cr(CO)6, Co(CO)3NO are some of the most common precursors used for the focused electron-induced deposition. Some of the compounds, even though extensively used have high requirements when it comes to handling, being explosives,…

Materials Science · Physics 2022-01-27 Maria Pintea , Nigel Mason , Maria Tudorovskaya

We present experimental results for dissociative electron attachment to acetylene near the 3 eV $^2\Pi_g$ resonance. In particular, we use an ion-momentum imaging technique to investigate the dissociation channel leading to C$_2$H$^-$…

Chemical Physics · Physics 2014-10-29 M. Fogle , D. J. Haxton , A. L. Landers , A. E. Orel , T. N. Rescigno

In the present paper, we report the details of the kinetic energy and angular distributions of the H^{-}, S^{-}/SH^{-} fragment ions produced due to dissociative electron attachment in H_{2}S molecules at resonances peaking at 2.2 eV, 5.2…

Chemical Physics · Physics 2010-07-30 N. Bhargava Ram , E. Krishnakumar
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