Electron recombination of rotationally cold D₂H⁺ ions.

ABSTRACT: Dissociative recombination (DR) of electrons with small molecular ions is a fundamental process for the physics and chemistry of the interstellar medium and planetary atmospheres. In previous DR studies, detailed analysis of the experimental rate coefficients has been hindered by the difficulty of preparing the ions in well-defined quantum states. For polyatomic ions in particular, truly state-selective measurements have been elusive, allowing only qualitative benchmarks of theory. Here, we present DR studies of the deuterated triatomic hydrogen ion D₂H⁺, where the molecular ions were stored for up to 1000 seconds inside the Cryogenic Storage Ring (CSR) prior to the DR measurements. Our experiments with rotationally cold D₂H⁺ ions allow for detai

SUBMITTER: Znotins A 

PROVIDER: S-EPMC12365165 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature