7Be(n,alpha) and 7Be(n,p) cross-section measurement for the cosmological lithium problem at the n TOF facility at CERN

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Física
dc.contributor	Universitat Politècnica de Catalunya. Institut de Tècniques Energètiques
dc.contributor	Universitat Politècnica de Catalunya. ANT - Advanced Nuclear Technologies Research Group
dc.contributor	Universitat Politècnica de Catalunya. NEMEN - Nanoenginyeria de materials aplicats a l'energia
dc.contributor.author	Barbagallo, Massimo
dc.contributor.author	Colonna, Nicola
dc.contributor.author	Aberle, O.
dc.contributor.author	Calviño Tavares, Francisco
dc.contributor.author	Casanovas Hoste, Adrià
dc.contributor.author	Cortés Rossell, Guillem Pere
dc.contributor.author	Tarifeño Saldivia, Ariel Esteban
dc.date	2016
dc.identifier.citation	Barbagallo, M., Colonna, N., Aberle, O., Calviño, F., Casanovas, A., Cortes, G., Tarifeño, A. 7Be(n,alpha) and 7Be(n,p) cross-section measurement for the cosmological lithium problem at the n TOF facility at CERN. A: International Conference on Nuclear Data for Science and Technology. "EPJ Web of Conferences, vol. 146 (2017); ND 2016: International Conference on Nuclear Data for Science and Technology: Bruges, Belgium: 11-16 September 2016". Bruges: EDP Sciences, 2016, p. 01012-1-01012-4.
dc.identifier.citation	978-2-7598-9020-0
dc.identifier.citation	10.1051/epjconf/201714601012
dc.identifier.uri	http://hdl.handle.net/2117/111409
dc.language.iso	eng
dc.publisher	EDP Sciences
dc.relation	info:eu-repo/grantAgreement/ES/PN2012-2016/ FPA2011-28770-C03-03
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Física
dc.subject	Àrees temàtiques de la UPC::Energies::Energia nuclear
dc.subject	Neutrons
dc.subject	Nucleosynthesis
dc.subject	Astrophysics
dc.subject	Alpha
dc.subject	Neutron
dc.subject	nTOF
dc.subject	CERN
dc.subject	Nucleosynthesis
dc.subject	Astrophysics
dc.subject	Neutrons
dc.subject	Nucleosíntesi
dc.subject	Astrofísica
dc.title	7Be(n,alpha) and 7Be(n,p) cross-section measurement for the cosmological lithium problem at the n TOF facility at CERN
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	The Cosmological Lithium Problem refers to the large discrepancy between the abundance of primordial 7Li predicted by the standard theory of Big Bang Nucleosynthesis and the value inferred from the so-called “Spite plateau” in halo stars. A possible explanation for this longstanding puzzle in Nuclear Astrophysics is related to the incorrect estimation of the destruction rate of 7Be, which is responsible for the production of 95% of primordial Lithium. While charged-particle induced reactions have mostly been ruled out, data on the 7Be(n,alpha) and 7Be(n,p) reactions are scarce or completely missing, so that a large uncertainty still affects the abundance of 7Li predicted by the standard theory of Big Bang Nucleosynthesis. Both reactions have been measured at the n TOF facility at CERN, providing for the first time data in a wide neutron energy range.

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