Refining Big Bang Nucleosynthesis abundances via the Trojan Horse method.
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| Title: | Refining Big Bang Nucleosynthesis abundances via the Trojan Horse method. |
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| Authors: | Spartà, Roberta1,2 (AUTHOR) rsparta@lns.infn.it, Pizzone, Rosario Gianluca2,3 (AUTHOR), Lamia, Livio2,3,4 (AUTHOR), Oliva, Alessandro Alberto2 (AUTHOR), La Cognata, Marco2 (AUTHOR), Di Pietro, Alessia2 (AUTHOR), Figuera, Pierpaolo2 (AUTHOR), Guardo, Giovanni Luca2 (AUTHOR), La Commara, Marco5,6 (AUTHOR), Lattuada, Dario1,2 (AUTHOR), Mazzocco, Marco7,8 (AUTHOR), Palmerini, Sara9,10 (AUTHOR), Rapisarda, Giuseppe Gabriele2,3 (AUTHOR), Romano, Stefano2,3,4 (AUTHOR), Sergi, Maria Letizia2,3 (AUTHOR), Tumino, Aurora1,2 (AUTHOR) |
| Source: | European Physical Journal A -- Hadrons & Nuclei. Apr2025, Vol. 61 Issue 4, p1-8. 8p. |
| Subjects: | Nuclear cross sections, Nucleosynthesis, Deuterium |
| Abstract: | This work presents the Trojan Horse Method (THM) as a powerful technique for measuring nuclear reaction cross sections at astrophysical energies. We then explore the impact of THM-derived reaction rates on the predictions of Standard Big Bang Nucleosynthesis (SBBN) using the PRIMAT code. Primordial abundances are shown for the single rate impact and, for the first time, also for all the THM rates together. The result shows significant differences with the use of THM rates, which in some cases goes in the direction of improving the agreement with the observations with respect to the use of only reaction rates from direct data, especially for the 7 Li and deuterium abundances, which are still open issues for SBBN. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | This work presents the Trojan Horse Method (THM) as a powerful technique for measuring nuclear reaction cross sections at astrophysical energies. We then explore the impact of THM-derived reaction rates on the predictions of Standard Big Bang Nucleosynthesis (SBBN) using the PRIMAT code. Primordial abundances are shown for the single rate impact and, for the first time, also for all the THM rates together. The result shows significant differences with the use of THM rates, which in some cases goes in the direction of improving the agreement with the observations with respect to the use of only reaction rates from direct data, especially for the 7 Li and deuterium abundances, which are still open issues for SBBN. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 14346001 |
| DOI: | 10.1140/epja/s10050-025-01546-0 |
