An Interoperable Syntax for Gas Scattering Reaction Definition

Abstract: We propose a unified, human-readable, machine-processable novel syntax/notation designed to comprehensively describe reactions, molecules and excitation states. Our notation resolves inconsistencies in existing data representations and facilitates seamless integration with computational tools. We define a structured syntax for molecular species, excitation states, and reaction mechanisms, ensuring compatibility with a wide range of scientific applications. We provide a reference implementation based on Parsing Expression Grammar syntax, enabling automated parsing and interpretation of the proposed notation. This work is available as an open-source project, enabling validation and fostering its adoption and further improvement by the scientific community. Our standardized framework provides gas scattering models with increased interoperability and accuracy.