Measurement of the 244Cm and 246Cm neutron-induced capture cross sections at the n_TOF facility

V. Alcayne; A. Kimura; E. Mendoza; D. Cano-Ott; T. Martínez; O. Aberle; J. Andrzejewski; L. Audouin; V. Bécares; M. Bacak; M. Barbagallo; F. Becčvář; G. Bellia; E. Berthoumieux; J. Billowes; D. Bosnar; A. Brown; M. Busso; M. Caamaño; L. Caballero-Ontanaya; F. Calviño; M. Calviani; A. Casanovas; F. Cerutti; Y. H. Chen; E. Chiaveri; N. Colonna; G. Cortés; M. A. Cortés-Giraldo; L. Cosentino; S. Cristallo; L. A. Damone; M. Diakaki; M. Dietz; C. Domingo-Pardo; R. Dressler; E. Dupont; I. Durán; Z. Eleme; B. Fernández-Domínguez; A. Ferrari; P. Finocchiaro; V. Furman; K. Göbel; A. Gawlik; S. Gilardoni; T. Glodariu; I. F. Gonçalves; E. González-Romero; C. Guerrero; F. Gunsing; H. Harada; S. Heinitz; J. Heyse; D. G. Jenkins; F. Käppeler; Y. Kadi; T. Katabuchi; N. Kivel; I. Knapova; M. Kokkoris; Y. Kopatch; M. Krtička; D. Kurtulgil; I. Ladarescu; C. Lederer-Woods; J. Lerendegui-Marco; S. Lo Meo; S. J. Lonsdale; D. Macina; A. Manna; A. Masi; C. Massimi; P. Mastinu; M. Mastromarco; F. Matteucci; E. A. Maugeri; A. Mazzone; A. Mengoni; V. Michalopoulou; P. M. Milazzo; F. Mingrone; A. Musumarra; A. Negret; R. Nolte; F. Ogállar; A. Oprea; N. Patronis; A. Pavlik; J. Perkowski; L. Persanti; I. Porras; J. Praena; J. M. Quesada; D. Radeck; D. Ramos-Doval; T. Rauscher; R. Reifarth; D. Rochman; M. Sabaté-Gilarte; A. Saxena; P. Schillebeeckx; D. Schumann; S. Simone; A. G. Smith; N. V. Sosnin; A. Stamatopoulos; G. Tagliente; J. L. Tain; T. Talip; A. Tarifeño-Saldivia; L. Tassan-Got; A. Tsinganis; J. Ulrich; S. Urlass; S. Valenta; G. Vannini; V. Variale; P. Vaz; A. Ventura; D. Vescovi; V. Vlachoudis; R. Vlastou; A. Wallner; P. J. Woods; T. Wright; P. Žugec

doi:10.1051/epjconf/201921103008

All issues

Volume 211 (2019)

EPJ Web Conf., 211 (2019) 03008

Abstract

Open Access

Issue		EPJ Web Conf. Volume 211, 2019 WONDER-2018 – 5^th International Workshop On Nuclear Data Evaluation for Reactor applications


Article Number		03008
Number of page(s)		8
Section		Microscopic and Integral Measurements
DOI		https://doi.org/10.1051/epjconf/201921103008
Published online		05 June 2019

EPJ Web of Conferences 211, 03008 (2019)
https://doi.org/10.1051/epjconf/201921103008

Measurement of the ²⁴⁴Cm and ²⁴⁶Cm neutron-induced capture cross sections at the n_TOF facility

V. Alcayne¹, A. Kimura², E. Mendoza¹, D. Cano-Ott¹, T. Martínez¹, O. Aberle³, J. Andrzejewski⁴, L. Audouin⁵, V. Bécares¹, M. Bacak³^,6^,7, M. Barbagallo³^,8, F. Becčvář⁹, G. Bellia¹⁰^,11, E. Berthoumieux⁷, J. Billowes¹², D. Bosnar¹³, A. Brown¹⁴, M. Busso⁸^,15^,16, M. Caamaño¹⁷, L. Caballero-Ontanaya¹⁸, F. Calviño¹⁹, M. Calviani³, A. Casanovas¹⁹, F. Cerutti³, Y. H. Chen⁵, E. Chiaveri³^,12^,20, N. Colonna⁸, G. Cortés¹⁹, M. A. Cortés-Giraldo²⁰, L. Cosentino¹⁰, S. Cristallo⁸^,15^,21, L. A. Damone⁸^,22, M. Diakaki²³^,3, M. Dietz²⁴, C. Domingo-Pardo¹⁸, R. Dressler²⁵, E. Dupont⁷, I. Durán¹⁷, Z. Eleme²⁶, B. Fernández-Domínguez¹⁷, A. Ferrari³, P. Finocchiaro¹⁰, V. Furman²⁷, K. Göbel²⁸, A. Gawlik⁴, S. Gilardoni³, T. Glodariu²⁹, I. F. Gonçalves³⁰, E. González-Romero¹, C. Guerrero²⁰, F. Gunsing⁷, H. Harada², S. Heinitz²⁵, J. Heyse³¹, D. G. Jenkins¹⁴, F. Käppeler³², Y. Kadi³, T. Katabuchi³³, N. Kivel²⁵, I. Knapova⁹, M. Kokkoris²³, Y. Kopatch²⁷, M. Krtička⁹, D. Kurtulgil²⁸, I. Ladarescu¹⁸, C. Lederer-Woods²⁴, J. Lerendegui-Marco²⁰, S. Lo Meo³⁴^,35, S. J. Lonsdale²⁴, D. Macina³, A. Manna³⁵^,36, A. Masi³, C. Massimi³⁵^,36, P. Mastinu³⁷, M. Mastromarco³, F. Matteucci³⁸^,39, E. A. Maugeri²⁵, A. Mazzone⁸^,40, A. Mengoni³⁴, V. Michalopoulou²³, P. M. Milazzo³⁸, F. Mingrone³, A. Musumarra¹⁰^,11, A. Negret²⁹, R. Nolte⁴¹, F. Ogállar⁴², A. Oprea²⁹, N. Patronis²⁶, A. Pavlik⁴³, J. Perkowski⁴, L. Persanti⁸^,15^,21, I. Porras⁴², J. Praena⁴², J. M. Quesada²⁰, D. Radeck⁴¹, D. Ramos-Doval⁵, T. Rauscher⁴⁴^,45, R. Reifarth²⁸, D. Rochman²⁵, M. Sabaté-Gilarte³^,20, A. Saxena⁴⁶, P. Schillebeeckx³¹, D. Schumann²⁵, S. Simone¹⁰, A. G. Smith¹², N. V. Sosnin¹², A. Stamatopoulos²³, G. Tagliente⁸, J. L. Tain¹⁸, T. Talip²⁵, A. Tarifeño-Saldivia¹⁹, L. Tassan-Got³^,23^,5, A. Tsinganis³, J. Ulrich²⁵, S. Urlass³^,47, S. Valenta⁹, G. Vannini³⁵^,36, V. Variale⁸, P. Vaz³⁰, A. Ventura³⁵, D. Vescovi⁸^,15, V. Vlachoudis³, R. Vlastou²³, A. Wallner⁴⁸, P. J. Woods²⁴, T. Wright¹² and P. Žugec¹³

¹ Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Spain
² Japan Atomic Energy Agency (JAEA), Tokai-mura, Japan
³ European Organization for Nuclear Research (CERN), Switzerland
⁴ University of Lodz, Poland
⁵ Institut de Physique Nucléaire, CNRS-IN2P3, Univ. Paris-Sud, Université Paris-Saclay, F-91406 Orsay Cedex, France
⁶ Technische Universität Wien, Austria
⁷ CEA Irfu, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
⁸ Istituto Nazionale di Fisica Nucleare, Sezione di Bari, Italy
⁹ Charles University, Prague, Czech Republic
¹⁰ INFN Laboratori Nazionali del Sud, Catania, Italy
¹¹ Dipartimento di Fisica e Astronomia, Università di Catania, Italy
¹² University of Manchester, United Kingdom
¹³ Department of Physics, Faculty of Science, University of Zagreb, Zagreb, Croatia
¹⁴ University of York, United Kingdom
¹⁵ Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, Italy
¹⁶ Dipartimento di Fisica e Geologia, Università di Perugia, Italy
¹⁷ University of Santiago de Compostela, Spain
¹⁸ Instituto de Física Corpuscular, CSIC - Universidad de Valencia, Spain
¹⁹ Universitat Politècnica de Catalunya, Spain
²⁰ Universidad de Sevilla, Spain
²¹ Istituto Nazionale di Astrofisica - Osservatorio Astronomico di Teramo, Italy
²² Dipartimento di Fisica, Università degli Studi di Bari, Italy
²³ National Technical University of Athens, Greece
²⁴ School of Physics and Astronomy, University of Edinburgh, United Kingdom
²⁵ Paul Scherrer Institut (PSI), Villingen, Switzerland
²⁶ University of Ioannina, Greece
²⁷ Joint Institute for Nuclear Research (JINR), Dubna, Russia
²⁸ Goethe University Frankfurt, Germany
²⁹ Horia Hulubei National Institute of Physics and Nuclear Engineering, Romania
³⁰ Instituto Superior Técnico, Lisbon, Portugal
³¹ European Commission, Joint Research Centre, Geel, Retieseweg 111, B-2440 Geel, Belgium
³² Karlsruhe Institute of Technology, Campus North, IKP, 76021 Karlsruhe, Germany
³³ Tokyo Institute of Technology, Japan
³⁴ Agenzia nazionale per le nuove tecnologie (ENEA), Bologna, Italy
³⁵ Istituto Nazionale di Fisica Nucleare, Sezione di Bologna, Italy
³⁶ Dipartimento di Fisica e Astronomia, Università di Bologna, Italy
³⁷ Istituto Nazionale di Fisica Nucleare, Sezione di Legnaro, Italy
³⁸ Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Italy
³⁹ Dipartimento di Astronomia, Università di Trieste, Italy
⁴⁰ Consiglio Nazionale delle Ricerche, Bari, Italy
⁴¹ Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116 Braunschweig, Germany
⁴² University of Granada, Spain
⁴³ University of Vienna, Faculty of Physics, Vienna, Austria
⁴⁴ Department of Physics, University of Basel, Switzerland
⁴⁵ Centre for Astrophysics Research, University of Hertfordshire, United Kingdom
⁴⁶ Bhabha Atomic Research Centre (BARC), India
⁴⁷ Helmholtz-Zentrum Dresden-Rossendorf, Germany
⁴⁸ Australian National University, Canberra, Australia

Published online: 5 June 2019

Abstract

The neutron capture reactions of the ²⁴⁴Cm and ²⁴⁶Cm isotopes open the path for the formation of heavier Cm isotopes and heavier elements such as Bk and Cf in a nuclear reactor. In addition, both isotopes belong to the minor actinides with a large contribution to the decay heat and to the neutron emission in irradiated fuels. There are only two previous ²⁴⁴Cm and ²⁴⁶Cm capture cross section measurements: one in 1969 using a nuclear explosion [1] and the most recent data measured at J-PARC in 2010 [2]. The data for both isotopes are very scarce due to the difficulties in performing the measurements: high intrinsic activity of the samples and limited facilities capable of providing isotopically enriched samples.

We have measured both neutron capture cross sections at the n_TOF Experimental Area 2 (EAR-2) with three C₆ D₆ detectors and also at Area 1 (EAR-1) with the TAC. Preliminary results assessing the quality and limitations (back-ground subtraction, measurement technique and counting statistics) of this new experimental datasets are presented and discussed.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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