English
Related papers

Related papers: Dissociation dynamics in low energy electron attac…

200 papers

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

We report the detailed dynamics of the site selectivity observed in the dissociative electron attachment (DEA) process in ethanol based on the momentum images obtained using the velocity slice imaging technique. The H- dissociation channel…

Chemical Physics · Physics 2023-08-15 Sukanta Das , Suvasis Swain , Vaibhav S. Prabhudesai

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…

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

R-matrix calculations on electron collisions with CO are reported whose aim is to identify any higher-lying resonances above the well-reported and lowest $^2\Pi$ resonance at about 1.6~eV. Extensive tests with respect to basis sets, target…

Chemical Physics · Physics 2016-10-11 Amar Dora , Jonathan Tennyson , Kalyan Chakrabarti

Within a one-dimensional semi-classical model with a Morse potential the possibility of infrared multi-photon dissociation of vibrationally excited nitrogen oxide was studied. The dissociation thresholds of typical driving forces and…

chao-dyn · Physics 2009-10-31 Julian Juhi-Lian Ting

Within a one-dimensional semi-classical model with a Morse potential the possibility of microwave multi-photon dissociation of vibrationally excited nitrogen oxide was studied. The dissociation thresholds of typical driving forces and…

Condensed Matter · Physics 2008-02-03 Julian Juhi-Lian Ting

Vibrational-excitation cross sections of ground electronic state of carbon dioxide molecule by electron-impact through the CO2-(2\Pi) shape resonance is considered in the separation of the normal modes approximation. Resonance curves and…

Chemical Physics · Physics 2016-11-01 V. Laporta , J. Tennyson , R. Celiberto

Exploring the molecular fragmentation dynamics induced by low-energy electrons offers compelling insights into the complex interplay between the projectile and target. In this study, we investigate the phenomenon of dissociative electron…

Atomic and Molecular Clusters · Physics 2024-01-05 Anirban Paul , Ian Carmichael , Dhananjay Nandi , Sylwia Ptasinska , Dipayan Chakraborty

Ion-pair dissociation (IPD) to gas phase carbon dioxide molecule has been studied using time of flight (TOF) based mass spectroscopy in combination with the highly differential velocity slice imaging (VSI) technique. The appearance energy…

Atomic Physics · Physics 2020-09-01 Narayan Kundu , Sumit Naskar , Irina Jana , Anirban Paul , Dhananjay Nandi

Resonances from electron attachment to $\text{NO}_2$ have been identified in the total electron scattering cross sections (TCS) measured with a magnetically confined electron transmission apparatus. The corresponding absolute electron…

Chemical Physics · Physics 2026-05-29 Ana I. Lozano , Francisco Blanco , Juan C. Oller , Paulo Limão-Vieira , Gustavo García

The behavior of liquid water under an electric field is a crucial phenomenon in science and engineering. However, its detailed description at a microscopic level is difficult to achieve experimentally. Here we report on the first ab initio…

Soft Condensed Matter · Physics 2012-05-16 A. Marco Saitta , Franz Saija , Paolo V. Giaquinta

Succeeding our previous finding about coherent interference of the resonant states of CO^- formed by the low-energy electron attachment [Phys. Rev. A 88, 012708 (2013)], here we provide more evidences of the coherent interference, in…

Atomic and Molecular Clusters · Physics 2015-09-02 Xu-Dong Wang , Chuan-Jin Xuan , Yi Luo , Shan Xi Tian

Dipolar dissociation processes in the electron collisions with carbon monoxide have been studied using time of flight (TOF) mass spectroscopy in combination with the highly differential velocity slice imaging (VSI) technique. Probing…

Atomic and Molecular Clusters · Physics 2016-12-13 Dipayan Chakraborty , Pamir Nag , Dhananjay Nandi

As promising quantum sensors, nitrogen-vacancy (NV) centers in diamond have been widely used in frontier studies in condensed matter physics, material sciences, and life sciences. In practical applications, weak laser excitation is…

In this paper, we discuss the dissociative electron attachment process in Methane. Kinetic energy and angular distributions of H^{-} and CH_{2}^{-} fragment anions across the broad resonance about 10 eV is reported. Angular distribution of…

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

Detailed comparisons are reported between laboratory observations of electron-scale dissipation layers near a reconnecting X-line and direct two-dimensional full-particle simulations. Many experimental features of the electron layers, such…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 H. Ji , Y. Ren , M. Yamada , S. Dorfman , W. Daughton , S. P. Gerhardt

The physics of vibrational kinetics in nitrogen-containing plasma produced by collisions with electrons is studied on the basis of recently derived cross sections and rate coefficients for the resonant vibrational-excitation by…

Chemical Physics · Physics 2013-04-17 V. Laporta , D. Bruno

We present our density functional results of the geometry, electronic structure and dissociation energy of Ti_8C_12 dimer. We show that as opposed to the currently held view that Ti_8C_12 are highly stable monodispersed clusters, the…

Materials Science · Physics 2009-11-07 Tunna Baruah , Mark R. Pederson

We present a path-integral Monte Carlo study of dissociation in dense hydrogen ($1.75 \leq r_s \leq 2.2$, with $r_s$ the Wigner sphere radius). As temperature is lowered from $10^5$ to 5000 K, a molecular hydrogen gas forms spontaneously…

Condensed Matter · Physics 2009-10-28 W. R. Magro , D. M. Ceperley , C. Pierleoni , B. Bernu