Electron Screening in Reaction Between Protons and Lithium Nuclei

We have measured the cross section for the 1H(7Li, alpha)4He reaction at lithium beam energies from 0.34 to 1.05 MeV. Hydrogen was forced by diffusion into Pd and PdAg alloy foils. A large electron screening effect was not observed at high hydrogen concentrations, while at low H/metal ratio the resu...

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Bibliographic Details
Main Authors: Lipoglavsek, M, Cadez, I, Markelj, S, Pelicon, P, Vales, J, Vavpetic, P
Format: Conference Proceeding
Language:English
Subjects:
ALPHA PARTICLES
CROSS SECTIONS
ELECTRONS
HELIUM 4
HYDROGEN
HYDROGEN 1 TARGET
INTERMETALLIC COMPOUNDS
LITHIUM 7 REACTIONS
MEV RANGE
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEAR SCREENING
NUCLEAR STRUCTURE
PALLADIUM
SILVER
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Summary:We have measured the cross section for the 1H(7Li, alpha)4He reaction at lithium beam energies from 0.34 to 1.05 MeV. Hydrogen was forced by diffusion into Pd and PdAg alloy foils. A large electron screening effect was not observed at high hydrogen concentrations, while at low H/metal ratio the results are inconclusive. A dependence of the screening potential on Hall coefficient of the metallic host could not be confirmed.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.3232140