New reaction rates for the destruction of<sup>7</sup>Be during big bang nucleosynthesis measured at CERN/n_TOF and their implications on the cosmological lithium problem

Maurizio Busso, Annamaria Mazzone, F. Cerutti, C. Petrone, A. Casanovas, S. Amaducci, E. Mendoza, A. G. Smith, J. Moreno-Soto, Paolo Finocchiaro, L. A. Damone, Alberto Ventura, Cristian Massimi, D. Ramos Doval, Peter Schillebeeckx, G. Cortes, P. M. Milazzo, Luciano Piersanti, Ignacio Porras, F. Ogállar, A. Kimura, B. Fernández-Domíngez, D. G. Jenkins, Marco Calviani, Petar Žugec, Jan Heyse, M. Caamaño, A. Musumarra, L. Cosentino, A. Stamatopoulos, O. Aberle, S. Valenta, A. Gawlik, P. J. Davies, J. M. Quesada, Ariel Tarifeño-Saldivia, P. Torres-Sánchez, P. J. Woods, V. Furman, Deniz Kurtulgil, A. Masi, J. Lerendegui-Marco, D. Bosnar, G. Tagliente, A. Pavlik, C. Domingo-Pardo, P. F. Mastinu, A. K. Saxena, Nicola Colonna, V. Variale, M. Bacak, M. Diakaki, T. Martinez, A. S. Brown, Rugard Dressler, J. L. Tain, F. Gunsing, F. Calviño, T. J. Wright, U. Jiri, S. Urlass, C. Rubbia, S. J. Lonsdale, I. Ladarescu, Massimo Barbagallo, Sergio Cristallo, Dorothea Schumann, Z. Eleme, V. Alcayne, Arnaud Ferrari, D. Macina, Simone Gilardoni, E. Chiaveri, E. Dupont, J. Perkowski, L. Tassan-Got, A. Sekhar, V Babiano-Suarez, Claudia Lederer-Woods, M. A. Millán-Callado, N. V. Sosnin, R. Vlastou, Dimitri Rochman, Vasilis Vlachoudis, Arnd R. Junghans, E. González-Romero, I. Duran, D. Cano-Ott, Diego Vescovi, P. Vaz, Javier Praena, M. Kokkoris, F. Mingrone, J. Andrzejewski, G. Vannini, Rene Reifarth, L. Caballero, S. Heinitz, V. Michalopoulou, R. Garg, M. Krtička, M. Mastromarco, M. Sabaté-Gilarte, Q. Ducasse, E. Pirovano, A. Tsinganis, Alberto Mengoni, Anton Wallner, M. A. Cortés-Giraldo, Emilio Andrea Maugeri, N. Patronis, Alexandru Negret, I. Knapova, P. Sprung, A. Oprea, E. Berthoumieux, Kathrin Göbel, Carlos Guerrero, Y. Kadi, S. Bennett, E. Jericha, Y. Kopatch, F. Käppeler, L. Audouin, I. Ferro-Gonçalves, M. Dietz, B. Thomas, A. Manna

doi:10.1051/epjconf/202023907001

<jats:p>New measurements of the<jats:sup>7</jats:sup>Be(n,<jats:italic>α</jats:italic>)<jats:sup>4</jats:sup>He and<jats:sup>7</jats:sup>Be(n,p)<jats:sup>7</jats:sup>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<jats:sup>7</jats:sup>Be destruction rate, based on these new results, yields a decrease of the predicted cosmological<jats:sup>7</jats:sup>Li abundance insufficient to provide a viable solution to the cosmological lithium problem.</jats:p>

New reaction rates for the destruction of<sup>7</sup>Be during big bang nucleosynthesis measured at CERN/n_TOF and their implications on the cosmological lithium problem

Description

Journal

Keywords

Details 詳細情報について

Export

Report a problem