DESIREE electrospray ion source test bench and setup for collision induced dissociation experiments

Area of Science:

• Atomic and Molecular Physics
• Chemical Physics
• Accelerator Physics

Background:

• Ion fragmentation studies are crucial for understanding molecular structure and chemical reactions.
• Existing experimental setups may have limitations in energy range or fragment analysis.

Purpose of the Study:

• To detail the design and capabilities of a novel electrospray ion source test bench.
• To establish a single-pass setup for ion fragmentation studies at the Double ElectroStatic Ion Ring ExpEriment (DESIREE) facility.
• To enable collision-induced dissociation (CID) experiments within a specific energy range.

Main Methods:

• Construction and implementation of an electrospray ion source test bench.
• Development of a single-pass experimental setup at DESIREE.
• Utilizing collision-induced dissociation (CID) for ion fragmentation.
• Analysis of charged fragments using an electrostatic energy analyzer (EEA).

Main Results:

• The described setup facilitates CID experiments with center-of-mass energies from 10 eV to 1 keV.
• Charged fragments are analyzed by their kinetic energies and masses.
• The electrostatic energy analyzer offers wide angular acceptance and adjustable energy resolution.

Conclusions:

• The developed test bench and single-pass setup provide a versatile platform for ion fragmentation research.
• This infrastructure enhances the capabilities for studying ion dissociation dynamics at DESIREE.
• The system allows for precise characterization of ionic fragments, aiding in molecular structure elucidation.