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Measurement of very low (alpha,n) cross sections of astrophysical interest Taín Enríquez, José Luis Jordan Herrero, Donato Agramunt Ros, Jorge Algora, A. Bandac, I Bettini, S Caballero Folch, Roger Calviño Tavares, Francisco Cano-Ott, D Cortés Rossell, Guillem Pere Domingo-Pardo, C Fraile, L. M. Garcia, A.R. Gomez-Cadenas, J.J. José Pont, Jordi Longland, Richard Mendoza, E Universitat Politècnica de Catalunya. Departament de Física Universitat Politècnica de Catalunya. ANT - Advanced Nuclear Technologies Research Group Universitat Politècnica de Catalunya. GAA - Grup d'Astronomia i Astrofísica Àrees temàtiques de la UPC::Física Àrees temàtiques de la UPC::Física::Astronomia i astrofísica Àrees temàtiques de la UPC::Energies::Energia nuclear Astrophysics Neutrons Astrofísica Neutrons The reactions 13C( ; n)16O and 22Ne( ; n)25Mg are the primary sources of neutrons for the astrophysical s-process. The feasibility of cross section measurements within the respective Gamow windows is discussed in quantitative terms for a 4 neutron counter, based on 3He tubes and a neutron moderator, placed in an underground lab. Postprint (published version) 2016 Article Taín, J.L., Jordan, D., Agramunt, J., Algora, A., Bandac, I., Bettini, S., Caballero-Folch, R., Calviño, F., Cano-Ott, D., Cortes, G., Domingo-Pardo, C., Fraile, L., Garcia, A., Gomez-Cadenas, J., Jose, J., Longland, R., Mendoza, E. Measurement of very low (alpha,n) cross sections of astrophysical interest. "Journal of physics: conference series", 2016, vol. 665, núm. 1, p. 012031-1-012031-6. 1742-6588 https://hdl.handle.net/2117/84952 10.1088/1742-6596/665/1/012031 eng http://iopscience.iop.org/article/10.1088/1742-6596/665/1/012031/meta http://creativecommons.org/licenses/by-nc-nd/3.0/es/ Open Access application/pdf Institute of Physics (IOP)