arXiv · 2108.06145
The 27Al(p,a)24Mg reaction at astrophysical energies studied by means of the Trojan Horse Method applied to the 2H(27Al,a24Mg)n reaction
Abstract
The 27Al(p,a)24Mg reaction, which drives the destruction of 27Al and the production of 24Mg in stellar hydrogen burning, has been investigated via the Trojan Horse Method (THM) by measuring the 2H(27Al,a24Mg)n three-body reaction. The experiment covered a broad energy range (-0.5 MeV < E_cm < 1.5 MeV), aiming to investigate those of interest for astrophysics.The results confirm the THM as a valuable technique for the experimental study of fusion reactions at very low energies and suggest the presence of a rich pattern of resonances in the energy region close to the Gamow window of stellar hydrogen burning (70-120 keV), with potential impact on astrophysics. To estimate such an impact a second run of the experiment is needed, since the background due the three-body reaction hampered to collect enough data to resolve the resonant structures and extract the reaction rate.
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Sara Palmerini, Marco La Cognata, Fairouz Hammache, Luis Acosta, Rosa Alba, Vaclav Burjan, Efrain Chavez, Silvio Cherubini, Alexandra Cvetinovic, Giuseppe D'Agata, Nicolas De Sereville, Alessia Di Pietro, Pierpaolo Figuera, Zsolt Fullop, Karen De Los Rios, Giovanni Luca Guardo, Marisa Gulino, Seiya Hayakawa, Gabor Kiss, Marco La Commara, Livio Lamia, Concetta Maiolino Giulio Manicò, Catalin Matei, Marco Mazzocco, Jaromir Mrazek, Tina Parascandolo, Teodora Petruse, Dimitra Pierroutsakou, Rosario Gianluca Pizzone, Giuseppe Gabriele Rapisarsa, Stefano Romano, Domenico Santonocito, Maria Letizia Sergi, Roberta Spartà, Aurora Tumino, Hidetoshi Yamaguchi. 2021-08-13. The 27Al(p,a)24Mg reaction at astrophysical energies studied by means of the Trojan Horse Method applied to the 2H(27Al,a24Mg)n reaction. https://arxiv.org/abs/2108.06145
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