Dynamics of electromagnetically induced water molecule fragmentation

TL;DR

This paper investigates the fragmentation dynamics of water molecules under intense X-ray radiation, analyzing charge distributions, fragment trajectories, and energy release to understand molecular dissociation processes.

Contribution

It introduces a detailed computational study of water molecule dissociation dynamics under high-energy X-ray exposure, including charge distribution and kinetic energy analysis.

Findings

Charge distribution of oxygen ions calculated

Newton diagrams for fragments constructed

Kinetic energy of fragments evaluated

Abstract

The development of intense high-energy radiation sources and the improvement of techniques for detecting charged fragments have made possible experiments on multiple ionization of a molecule with registration of the momentum and charge of dissociation products in coincidence. This technique allows to determine (`fix') a molecular geometry at the time of fragmentation and called fixed-in-space molecule. In this work, the dynamics the water molecule dissociation fragments resulting from interaction with intense X-ray radiation has been studied. The charge distribution of oxygen ions was calculated, Newton diagrams were constructed for fragments - protons and the oxygen ion - for various charge states of the latter, and the released kinetic energy was evaluated. Calculations were performed using the [1]code for parameters close to [2]. The predictions for the different pulse parameters are done.