| Issue |
Europhys. Lett.
Volume 48, Number 3, November I 1999
|
|
|---|---|---|
| Page(s) | 264 - 268 | |
| Section | Nuclear physics | |
| DOI | https://doi.org/10.1209/epl/i1999-00475-5 | |
| Published online | 01 September 2002 | |
Branching ratios and screening effect in the 
nuclear interaction
1
Institut de Physique, Université des Sciences et de la Technologie Houari-Boumediene BP 32, El-Alia, Bab-Ezzouar, Alger, Algeria
2
Institut des Sciences Nucléaires, IN2P3-CNRS et Université Joseph-Fourier 53, avenue des Martyrs, 38026 Grenoble cedex, France
Received:
17
May
1999
Accepted:
31
August
1999
Using the WKB approximation for the evaluation of penetrabilities at stellar energies, the
D(d, p)T and 
total cross-sections are analysed in the energy range 0–100 keV
(c.m.). The s and p wave contributions are extracted in each of these reactions. The branching
ratios calculated from this partial wave decomposition are in good agreement with the
experimental values deduced from muon catalyzed fusion and with those calculated from R-matrix
theory. The screening effect is studied and the U0 electron screening potential discussed.
PACS: 27.10.+h –
/ 95.30.-k – Fundamental aspects of
astrophysics
© EDP Sciences, 1999
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