Absolute elastic e/sup -/-He and total electronically e/sup -/H/sub 2/ scattering cross-section measurements from 1-19 eV

Thesis/Dissertation · Tue Jan 01 04:00:00 EST 1985

OSTI ID:5495735

Mahgerefteh, M

Absolute e/sup -/-He and e/sup -/-H/sub 2/ total electronically, elastic differential cross-sections have been determined from relative scattered electron angular distribution measurements in the energy range form 2 to 19 eV in e/sup -/-He; and 1-19 eV in e/sup -/-H/sub 2/ by comparison to absolute e/sup -/-He cross-section measurements. The s, p, and d phase shifts determined in work are roughly in agreement with various previous determinations. The total and momentum-transfer cross sections for e/sup -/-He, and integrated total cross-sections for e/sup -/-H/sub 2/ have been determined as well. In case of e/sup -/-He, the total and momentum transfer cross sections found in this work at 2 and 5 eV are in excellent agreement with the direct measurements of Golden and Bandel and of Crompton et al., respectively. For e/sup -/-H/sub 2/, absolute differences as large as 50% between the present results and some previous results have been found, although the agreement as to shape is quite good in many cases. The present results, for e/sup -/-H/sub 2/, are generally in excellent agreement with recent full rovibrational laboratory-frame close-coupling calculations.

• Research Organization: Oklahoma Univ., Norman (USA)
• OSTI ID: 5495735
• Country of Publication: United States
• Language: English

Related Subjects

651225* -- Nuclear Properties & Reactions
A=1-5
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
ELASTIC SCATTERING
ELECTRON REACTIONS
ELEMENTS
ENERGY RANGE
EV RANGE
EV RANGE 01-10
EV RANGE 10-100
EXPERIMENTAL DATA
FLUIDS
GASES
HELIUM
HYDROGEN
INFORMATION
LEPTON REACTIONS
MOMENTUM TRANSFER
NONMETALS
NUCLEAR REACTIONS
NUMERICAL DATA
PHASE SHIFT
RARE GASES
SCATTERING
TOTAL CROSS SECTIONS