Gas-Phase Reactions of Negative Ions at Hyperthermal Energies

Abstract

A tandem mass spectrometer incorporating radio-frequency octupole ion guides has been designed, constructed, and tested. This instrument is capable of measuring absolute integral cross sections for gas-phase ion molecule reactions as functions of the reactants relative translation energy from thermal to hyperthermal energy (0.03 - 20 eV c.m.), and of the neutral reactant's temperature from 298 - 1000 K. A series of calibration studies have been carried out to verify the operating characteristics of this new instrument.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Feb 08, 2001
Accession Number
ADA390235

Entities

People

  • Peter M. Hierl

Organizations

  • University of Kansas

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • Air Force Research Laboratories
  • Calibration
  • Chemistry
  • Detectors
  • Diffusion Pumps
  • Frequency
  • High Temperature
  • Integrals
  • Ion Beams
  • Ions
  • Mass Spectrometers
  • Measurement
  • Measuring Instruments
  • Molecules
  • Radio Frequency
  • Spectrometers

Fields of Study

  • Chemistry
  • Physics

Readers

  • Molecular Photonics/Laser Physics
  • Nuclear and Radiation Engineering.