New reaction rates for the destruction of $^7$Be during big bang nucleosynthesis measured at CERN/n_TOF and their implications on the cosmological lithium problem
- Mengoni, A.
- Damone, L.A.
- Barbagallo, M.
- Aberle, O.
- Alcayne, V.
- Amaducci, S.
- Andrzejewski, J.
- Audouin, L.
- Babiano-Suarez, V.
- Bacak, M.
- Bennett, S.
- Berthoumieux, E.
- Bosnar, D.
- Brown, A.S.
- Busso, M.
- Caamaño, M.
- Caballero, L.
- Calviani, M.
- Calviño, F.
- Cano-Ott, D.
- Casanovas, A.
- Cerutti, F.
- Chiaveri, E.
- Colonna, N.
- Cortés, G.P.
- Cortés-Giraldo, M.A.
- Cosentino, L.
- Cristallo, S.
- Davies, P.J.
- Diakaki, M.
- Dietz, M.
- Domingo-Pardo, C.
- Dressler, R.
- Ducasse, Q.
- Dupont, E.
- Durán, I.
- Eleme, Z.
- Fernández-Domíngez, B.
- Ferrari, A.
- Ferro-Gonçalves, I.
- Finocchiaro, P.
- Furman, V.
- Garg, R.
- Gawlik, A.
- Gilardoni, S.
- Göbel, K.
- González-Romero, E.
- Guerrero, C.
- Gunsing, F.
- Heinitz, S.
- Heyse, J.
- Jenkins, D.G.
- Jericha, E.
- Jiri, U.
- Junghans, A.
- Kadi, Y.
- Käppeler, F.
- Kimura, A.
- Knapová, I.
- Kokkoris, M.
- Kopatch, Y.
- Krtička, M.
- Kurtulgil, D.
- Ladarescu, I.
- Lederer-Woods, C.
- Lerendegui-Marco, J.
- Lonsdale, S.-J.
- Macina, D.
- Manna, A.
- Martínez, T.
- Masi, A.
- Massimi, C.
- Mastinu, P.F.
- Mastromarco, M.
- Maugeri, E.
- Mazzone, A.
- Mendoza, E.
- Michalopoulou, V.
- Milazzo, P.M.
- Millán-Callado, M.A.
- Mingrone, F.
- Moreno-Soto, J.
- Musumarra, A.
- Negret, A.
- Ogállar, F.
- Oprea, A.
- Patronis, N.
- Pavlik, A.
- Perkowski, J.
- Petrone, C.
- Piersanti, L.
- Pirovano, E.
- Porras, I.
- Praena, J.
- Quesada, J.M.
- Ramos Doval, D.
- Reifarth, R.
- Rochman, D.
- Rubbia, C.
- Sabaté-Gilarte, M.
- Saxena, A.
- Schillebeeckx, P.
- Schumann, D.
- Sekhar, A.
- Smith, A.G.
- Sosnin, N.
- Sprung, P.
- Stamatopoulos, A.
- Tagliente, G.
- Tain, J.L.
- Tarifeño-Saldivia, A.E.
- Tassan-Got, L.
- Thomas, B.
- Torres-Sánchez, P.
- Tsinganis, A.
- Urlass, S.
- Valenta, S.
- Vannini, G.
- Variale, V.
- Vaz, P.
- Ventura, A.
- Vescovi, D.
- Vlachoudis, V.
- Vlastou, R.
- Wallner, A.
- Woods, P.J.
- Wright, T.J.
- Žugec, P.
DOIAbstract
International audienceNew measurements of the $^{7}$Be (n,$\alpha$)$^{4}$He and $^{7}$Be(n,p)$^{7}$Li reaction cross sections from thermal to keV neutron energies have been recently performed at CERN/n_TOF. Based on the new experimental results, astrophysical reaction rates have been derived for both reactions, including a proper evaluation of their uncertainties in the thermal energy range of interest for big bang nucleosynthesis studies. The new estimate of the $^{7}$Be destruction rate, based on these new results, yields a decrease of the predicted cosmological $^{7}$Li abundance insufficient to provide a viable solution to the cosmological lithium problem.</jats:p
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