21-23 March 2022
HUELVA
Europe/Madrid timezone

Measurement of thick target total neutron yields for the 27Al(alpha,n)30P reaction at CMAM using the miniBELEN neutron counter

22 Mar 2022, 09:30
15m
Red Temática de Física Nuclear (FNUC) Red FNUC (Red Temática de Física Nuclear)

Speaker

Nil Mont i Geli (Universitat Politècnica de Catalunya)

Abstract

Abstract
Neutron production through α-induced nuclear reactions is relevant in several fields. Specifically, (α,n) reactions are interesting in nuclear astrophysics as a source of neutrons for the slow neutron capture nucleosynthesis (the s-process) [TAI16] and in the α-particles capture process (the α-process) [WOO92, BLI17]. Other fields of interest include the neutron-induced background in underground laboratories [BET10], which is a crucial issue in low counting rate experiments, and in nuclear facilities such as nuclear reactors and particle accelerators [MUR02]. Currently, evaluated data is available only for a limited number of isotopes and the databases present large discrepancies in some cases.

The Measurement of Alpha Neutron Yields and spectra (MANY) collaboration is a coordinated effort by several Spanish research groups with the aim to carry out measurements of (α,xn) reactions yields, cross-sections and spectra. The project relies on the use of α-beams produced by the accelerators at Centro de Micro-Ánalisis de Materiales (CMAM, Madrid, Spain) and Centro Nacional de Aceleradores (CNA, Seville, Spain).

In this work we report the results of the measurement of thick target total neutron yields from the 27Al(alpha,n)30P reaction. This measurement has been part of the commissioning of the miniBELEN detector, a novel modular and transportable neutron long counter, and the 45º beam-line at CMAM for the MANY program in (alpha,n) reactions. The design and the experimental characterization of miniBELEN using 252Cf neutron sources will be also presented.

Acknowledgments
This work has been supported by the Spanish Ministerio de Economía y Competitividad under grants FPA2017-83946-C2-1 & C2-2 and PID2019-104714GB-C21 & C22.

Bibliography
[BET10] A. Bettini, Nucl. Instrum. Methods A 626 - 627 (2010) S64 - S68.
[BLI17] J. Bliss et al. J. Phys. G.: Nucl. Part. Phys. 44 (2017) 054003
[MUR02] T. Murata and K. Shibata, J. Nucl. Sci. Technol. 39 (2002) 76 - 79
[TAI16] J.L. Tain et al., J. Phys.: Conf. Ser. 665 (2016) 012031.
[WOO92] S.E. Woosley and R.D. Hoffmann, Astrophys. J. 395 (1992) 202 - 239

Primary authors

Nil Mont i Geli (Universitat Politècnica de Catalunya) Nil Mont-Geli (Institut de Tècniques Energètiques (INTE), Universitat Politècnica de Catalunya (UPC))

Co-authors

Ariel Tarifeño-Saldivia (Instituto de Física Corpuscular (IFIC)) Luis Mario Fraile (Grupo de Física Nuclear (GFN), Universidad Complutense (UCM)) Jose Luis Tain (Instituto de Física Corpuscular (IFIC)) Ángel Perea (Instituto de Estructura de la Materia (IEM)) Guillem Cortés (Institut de Tècniques Energètiques (INTE), Universitat Politècnica de Catalunya (UPC)) Max Pallàs (Institut de Tècniques Energètiques (INTE), Universitat Politècnica de Catalunya (UPC)) Enrique Nácher (Instituto de Física Corpuscular (IFIC)) Gastón García (Centro de Micro-Análisis de Materiales (CMAM), Universidad Autónoma de Madrid (UAM)) Silvia Viñals (Centro de Micro-Análisis de Materiales (CMAM), Universidad Autónoma de Madrid (UAM)) V. Alcayne (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)) Alejandro Algora (Instituto de Física Corpuscular (IFIC)) Javier Balibrea (Instituto de Física Corpuscular (IFIC)) J. Benito (Grupo de Física Nuclear (GFN), Universidad Complutense (UCM)) M.J.G. Borge (Instituto de Estructura de la Materia (IEM)) J. Briz (Instituto de Estructura de la Materia (IEM)) Francisco Calviño (Institut de Tècniques Energètiques (INTE), Universitat Politècnica de Catalunya (UPC)) Daniel Cano-Ott (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)) B. Fernández (Dpto. Física Atómica, Molecular y Nuclear, Universidad de Sevilla (US) and Centro Nacional de Aceleradores CNA (U. Sevilla - J. Andalucía - CSIC)) César Domingo-Pardo (Instituto de Física Corpuscular (IFIC)) Alfredo De Blas (Institut de Tècniques Energètiques (INTE), Universitat Politècnica de Catalunya (UPC)) Roger Garcia (Universitat Politècnica de Catalunya (UPC)) J. Gómez-Camacho (Dpto. Física Atómica, Molecular y Nuclear, Universidad de Sevilla (US) and Centro Nacional de Aceleradores CNA (U. Sevilla - J. Andalucía - CSIC)) E. M. González-Romero (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)) Carlos Guerrero (Dpto. Física Atómica, Molecular y Nuclear, Universidad de Sevilla (US) and Centro Nacional de Aceleradores CNA (U. Sevilla - J. Andalucía - CSIC)) Jorge Lerendegui-Marcos (Instituto de Física Corpuscular (IFIC)) Jorge Agramunt (Instituto de Física Corpuscular (IFIC)) M. Llanos (Grupo de Física Nuclear (GFN), Universidad Complutense (UCM)) T. Martínez (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)) E. Mendoza (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)) J.R. Murias (Grupo de Física Nuclear (GFN), Universidad Complutense (UCM)) S. E. A. Orrigo (Instituto de Física Corpuscular (IFIC)) A. Pérez de Rada (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)) Vicente Pesudo (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)) Julio Plaza (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)) J.M. Quesada (Dpto. Física Atómica, Molecular y Nuclear, Universidad de Sevilla (US)) A. Sánchez (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT)) V. Sánchez-Tembleque (Grupo de Física Nuclear (GFN), Universidad Complutense (UCM)) R. Santorelli (Instituto de Estructura de la Materia (IEM)) Olof Tengblad (Instituto de Estructura de la Materia (IEM)) Álvaro Tolosa-Delgado (University of Jyväskylä, Department of Physics) J.M. Udías (Grupo de Física Nuclear (GFN), Universidad Complutense (UCM)) D. Villamarín (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT))

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