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Effects of electron screening on the3He(d, p)4He low-energy cross sections

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
202
Issue
2
Identifiers
DOI: 10.1016/0370-2693(88)90003-2

Abstract

Abstract The reaction 3He(d, p) 4He has been investigated for E CM = 5.9−41.6 keV with the use of D projectiles and 3He atomic gas target nuclides as well as with 3He projectiles and D 2 molecular gas target nuclides. These studies show for the first time the effects of electron screening on low-energy fusion cross sections, i.e. a nearly exponential enhancement of the cross sections compared to the case of bare nuclei. The enhancement is about a factor 2 smaller for the case d( 3He, p) 4He due to the molecular nature of the D 2 target nuclides.

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