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Related papers: Competing Ionization and Dissociation in the H$_2$…

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The mutual neutralization of H^+ and H^- ions at low collision energies is studied by means of a molecular close-coupling approach. All degrees of freedom are treated at the full quantum level taking into account also the identity of the…

Chemical Physics · Physics 2009-02-12 Michael Stenrup , Åsa Larson , Nils Elander

We study the electronic resonant states of H3 with energies above the potential energy surface of the H3+ ground state. These resonant states are important for the dissociative recombination of H3+ at higher collision energies, and previous…

Quantum Physics · Physics 2021-03-05 Patrik Hedvall , Åsa Larson

In this paper, using a standard quantum chemistry approach based on pseudopotentials for atomic core representation, Gaussian basis sets, and effective core polarization potentials, we investigate the electronic properties of the MgH$^+$…

Quantum Physics · Physics 2015-05-13 Mireille Aymar , Romain Guérout , Mohamed Sahlaoui , Olivier Dulieu

Measurements of strong suppression of inclusive hadron distributions and di-hadron correlations at high $p_{T}$, while providing evidence for partonic energy loss, also suffer from geometric biases due to the competition of energy loss and…

Nuclear Experiment · Physics 2009-05-13 Sevil Salur

We present a study of multiphoton dissociative ionization from molecules. By solving the time-dependent Schr\"{o}dinger equation for H$_2^+$ and projecting the solution onto double continuum scattering states, we observe the correlated…

Atomic Physics · Physics 2012-07-03 C B Madsen , F Anis , L B Madsen , B D Esry

Recent studies have found an unusual way of dissociation in formaldehyde. It can be characterized by a hydrogen atom that separates from the molecule, but instead of dissociating immediately it roams around the molecule for a considerable…

Dynamical Systems · Mathematics 2019-11-18 Vladimir Krajnak , Holger Waalkens

We formulate a three-dimensional semi-classical model to treat three-electron escape dynamics in a strongly-driven linear triatomic molecule, HeH$_{2}^{+}$. Our model includes the Coulomb singularities. Hence, to avoid unphysical…

Atomic Physics · Physics 2021-04-21 M. B. Peters , V. P. Majety , A. Emmanouilidou

We present a general two-dimensional model of conical intersection between metastable states that are vibronically coupled not only directly but also indirectly through a virtual electron in the autodetachment continuum. This model is used…

Chemical Physics · Physics 2023-07-26 Martina Ćosićová , Jan Dvořák , Martin Čížek

We formulate a general three-dimensional semiclassical model for the study of correlated multielectron escape during fragmentation of molecules driven by intense infrared laser pulses, while fully accounting for the magnetic field of the…

Atomic Physics · Physics 2023-11-30 Georgios Petros Katsoulis , Matthew Benjamin Peters , Agapi Emmanouilidou

We investigate the dissociation and ionization equilibria of deuterium fluid over a wide range of temperatures and densities. The partition functions for molecular and atomic species are evaluated, in a statistical-mechanically consistent…

Plasma Physics · Physics 2015-11-19 Mofreh R. Zaghloul

We realize and study the ionic Hubbard model using an interacting two-component gas of fermionic atoms loaded into an optical lattice. The bipartite lattice has honeycomb geometry with a staggered energy-offset that explicitly breaks the…

In this paper we study the ionization rate and the Stark shift of a one-dimensional model of the H$_{2}^{+}$ ion. The finding of these two quantities is reduced to the solutions of a complex eigenvalue problem. We solve this problem both…

Atomic Physics · Physics 2021-02-15 J. C. G. Henriques , Thomas G. Pedersen , N. M. R. Peres

An analysis of the analytical solution of the Schr\"{o}dinger equation (which is a second order differential equation) for $H_2^+$ shows that the second linear independent solution of this equation is a square integrable function and…

Quantum Physics · Physics 2007-05-23 Alexander V. Mitin

We have measured dissociative recombination of HCl+ with electrons using a merged beams configuration at the heavy-ion storage ring TSR located at the Max Planck Institute for Nuclear Physics in Heidelberg, Germany. We present the measured…

Instrumentation and Methods for Astrophysics · Physics 2013-10-23 O. Novotný , A. Becker , H. Buhr , C. Domesle , W. Geppert , M. Grieser , C. Krantz , H. Kreckel , R. Repnow , D. Schwalm , K. Spruck , J. Stützel , B. Yang , A. Wolf , D. W. Savin

The current paper presents atomic data generated to investigate the recombination lines of C II in the spectra of planetary nebulae. These data include energies of bound and autoionizing states, oscillator strengths and radiative transition…

Atomic Physics · Physics 2013-07-09 Taha Sochi , Peter J. Storey

Real-space picture of electron recollision with the parent ion guides our understanding of the highly nonlinear response of atoms and molecules to intense low-frequency laser fields. It is also among several leading contestants for the…

Optics · Physics 2019-11-06 Mrudul M. S. , Adhip Pattanayak , Misha Ivanov , Gopal Dixit

In this paper we discuss two approximate methods previously suggested for modeling hyperfine spectral line emission for molecules whose collisional transitions rates between hyperfine levels are unknown. Hyperfine structure is seen in the…

Astrophysics of Galaxies · Physics 2015-05-18 Eric Keto , George Rybicki

Rotational transitions in molecular hydrogen collisions are computed. The two most recently developed potential energy surfaces for the H2-H2 system are used from the following works: 1) A.I. Boothroyd, P.G. Martin, W.J. Keogh, M.J.…

Chemical Physics · Physics 2009-11-11 Renat A. Sultanov , Dennis Guster

A five-dimensional coupled states (5D-CS) approximation is used to compute cross sections and rate coefficients for CO+H2 collisions. The 5D-CS calculations are benchmarked against accurate six-dimensional close-coupling (6D-CC)…

Instrumentation and Methods for Astrophysics · Physics 2017-01-20 Christina Castro , Kyle Doan , Michael Klemka , Robert C. Forrey , B. H. Yang , Phillip C. Stancil , N. Balakrishnan

A convolutional neural network-based classifier is elaborated to retrace the initial orientation of deformed nucleus-nucleus collisions by integrating multiple typical experimental observables. The isospin-dependent…

Nuclear Theory · Physics 2023-12-08 Zu-Xing Yang , Xiao-Hua Fan , Zhi-Pan Li , Shunji Nishimura
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