Preliminary Investigation of Collisional De-Excitation Rates for the 3D-3P Transition in Helium I, and 2F-2D Transition in Helium II.

Abstract

Helium gas was excited by 1.15 Mev protons from a Van de Graaff generator. Intensity of the radiation spectrum versus pressure data were recorded and plotted for the doublet F-doublet D transition in He II (4686 A). Through use of theoretical equations and experimental data, the collisional de-excitation rate coefficient, K, was determined. A suggested experimental procedure is discussed for continuation of this investigation using electron excitation. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1972
Accession Number
AD0747527

Entities

People

  • William Douglas Harris

Organizations

  • Naval Postgraduate School

Tags

DTIC Thesaurus Topics

  • Coefficients
  • Corpuscular Radiation
  • Electrons
  • Elementary Fermions
  • Elementary Particles
  • Equations
  • Excitation
  • Experimental Data
  • Fermions
  • Generators
  • Intensity
  • Ionizing Radiation
  • Nuclear Radiation
  • Radiation
  • Transitions
  • Van De Graaff Generators

Fields of Study

  • Physics

Readers

  • Combustion Dynamics and Shock Wave Physics.
  • Combustion science or combustion engineering.
  • Quantum spin resonance or Electron Paramagnetic Resonance spectroscopy.

Technology Areas

  • Microelectronics