Excitation of N II lines from dissociation of N/sub 2/ and NO by electron collision. Final report, 1 May 1973--1 Nov 1974. [4 to 20 keV; cross sections]

Technical Report · Tue Jul 01 00:00:00 EDT 1975

OSTI ID:7190070

Gilbert, J R; Lewis, J W.L.

This report, which is the first in a series of studies of dissociative-excitation processes of electron--molecule collisions, describes the results of the measurement of the energy dependence of the dissociative-ionization cross sections for the excitation of the N II states /sup 3/F and /sup 1/D by electron impact on both N/sub 2/ and NO. The ionized atomic nitrogen N II lines at 3995.0 and 5016.4 A were produced. The dependence of the optical radiative intensity on electron beam energy over the range of 4 to 20 keV was used to determine the relative optical dissociative excitation cross sections of these two radiating N II levels. The relative cross sections were normalized to the known cross-section value of the band (0,0) of the N/sub 2//sup +/ First Negative System, and the results are analyzed using the Bethe--Born approximation. (GRA)

• Research Organization: Arnold Engineering Development Center, Arnold Air Force Station, Tenn. (USA)
• OSTI ID: 7190070
• Report Number(s): AD-A-012903; AEDC-TR-75-77
• Resource Relation: Other Information: Prepared in cooperation with ARO, Inc., Tullahoma, Tenn. Rept. No. ARO-VKF-TR--75-3
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ELECTRON-MOLECULE COLLISIONS
DISSOCIATION
NITROGEN
NITROGEN OXIDES
CROSS SECTIONS
ENERGY DEPENDENCE
EXCITATION
IONIZATION
KEV RANGE 01-10
KEV RANGE 10-100
CHALCOGENIDES
COLLISIONS
CRYOGENIC FLUIDS
ELECTRON COLLISIONS
ELEMENTS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
FLUIDS
KEV RANGE
MOLECULE COLLISIONS
NITROGEN COMPOUNDS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
640304* - Atomic
Molecular & Chemical Physics- Collision Phenomena