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The electron screening puzzle and nuclear clustering [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2016.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description
pages 275-278 : digital, PDF file
Additional Creators
Texas A & M University, United States. Department of Energy, National Science Foundation (U.S.), and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Accurate measurements of nuclear reactions of astrophysical interest within, or close to, the Gamow peak show evidence of an unexpected effect attributed to the presence of atomic electrons in the target. The experiments need to include an effective "screening" potential to explain the enhancement of the cross sections at the lowest measurable energies. Despite various theoretical studies conducted over the past 20 years and numerous experimental measurements, a theory has not yet been found that can explain the cause of the exceedingly high values of the screening potential needed to explain the data. Furthermore, in this letter we show that instead of an atomic physics solution of the "electron screening puzzle", the reason for the large screening potential values is in fact due to clusterization effects in nuclear reactions, in particular for reaction involving light nuclei.
Report Numbers
E 1.99:1262219
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Note
Published through SciTech Connect.
02/12/2016.
": S0370269316001155"
Physics Letters. Section B 755 C ISSN 0370-2693 AM
C. Spitaleri; C. A. Bertulani; L. Fortunato; A. Vitturi.
Italian Ministry of University MIUR
Funding Information
FG02-08ER41533
View MARC record | catkey: 23495098