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7Be(n,p)7Li Reaction and the Cosmological Lithium Problem: Measurement of the Cross Section in a Wide Energy Range at n_TOF at CERN

Damone, L; Barbagallo, M; Mastromarco, M.; Mengoni, A.; Cosentino, L; Maugeri, E; Heinitz, S; Schumann, D.; Dressler, R.; Kappeler, F; Wallner, Anton


We report on the measurement of the 7Be(n,p)7 Li cross section from thermal to approximately 325 keV neutron energy, performed in the high-flux experimental area (EAR2) of the n_TOF facility at CERN. This reaction plays a key role in the lithium yield of the big bang nucleosynthesis (BBN) for standard cosmology. The only two previous time-of-flight measurements performed on this reaction did not cover the energy window of interest for BBN, and they showed a large discrepancy between each other....[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.121.042701
Access Rights: Open Access


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