Investigation of Electron Collision Processes in HgBr2.

Abstract

Cross sections for mercuric bromide (HgBr2) dissociative attachment and ionization have been measured using an electron beam experiment. The dominant products of these reactions, as identified by mass analysis, are Br (-) and HgBr 2(+1). A complementary electron swarm experiment was used to determine the ion production coefficients in a variety of gas mixtures containing HgBr2. The measured ion production coefficients were found to be in excellent agreement with the attachment and ionization coefficients computed using the measured cross sections. Additionally, analysis of the variations in the measured HgBr2 ion production coefficients along with measured electron drift velocity variations is found to be consistent with the interpretation that vibrational excitation of HgBr2 is dominated by a resonance in the 3-5 eV electron energy range for which dissociative attachment is observed to occur. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Apr 14, 1982
Accession Number
ADA113753

Entities

People

  • John J. Hinchen
  • Walter J. Wiegand
  • William L. Nighan

Organizations

  • United Technologies Corporation

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Accuracy
  • Boltzmann Equation
  • Distribution Functions
  • Electric Fields
  • Electron Beams
  • Electron Energy
  • Electrons
  • Energy
  • Ionization
  • Lasers
  • Light Sources
  • Mass Spectrometers
  • Measurement
  • Military Research
  • Momentum
  • Momentum Transfer
  • Production Rate

Fields of Study

  • Physics

Readers

  • Molecular Photonics/Laser Physics

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers
  • Microelectronics