Primordial nucleosynthesis revisited via Trojan Horse Results

Big Bang Nucleosynthesis (BBN) requires several nuclear physics inputs and nuclear reaction rates. An up-to-date compilation of direct cross sections of d(d,p)t, d(d,n)3He and 3He(d,p)4He reactions is given, being these ones among the most uncertain bare-nucleus cross sections. An intense experiment...

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Bibliographic Details
Main Authors: Pizzone, R.G., Spartá, R., Bertulani, C., Spitaleri, C., La Cognata, M., Lamia, L., Mukhamedzhanov, A., Tumino, A.
Format: Conference Proceeding
Language:English
Subjects:
Big bang cosmology
Cross-sections
Mathematical analysis
Nuclear physics
Nuclear reactions
Nuclei (nuclear physics)
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Summary:Big Bang Nucleosynthesis (BBN) requires several nuclear physics inputs and nuclear reaction rates. An up-to-date compilation of direct cross sections of d(d,p)t, d(d,n)3He and 3He(d,p)4He reactions is given, being these ones among the most uncertain bare-nucleus cross sections. An intense experimental effort has been carried on in the last decade to apply the Trojan Horse Method (THM) to study reactions of relevance for the BBN and measure their astrophysical S(E)-factor. The reaction rates and the relative error for the four reactions of interest are then numerically calculated in the temperature ranges of relevance for BBN (0.01
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/201611709010