Towards the high-accuracy determination of the 238U fission cross section at the threshold region at CERN – n_TOF

M. Diakaki; L. Audouin; E. Berthoumieux; M. Calviani; N. Colonna; E. Dupont; I. Duran; F. Gunsing; E. Leal-Cidoncha; C. Le Naour; L.S. Leong; M. Mastromarco; C. Paradela; D. Tarrio; L. Tassan-Got; G. Aerts; S. Altstadt; H. Alvarez; F. Alvarez-Velarde; S. Andriamonje; J. Andrzejewski; G. Badurek; M. Barbagallo; P. Baumann; V. Becares; F. Becvar; F. Belloni; B. Berthier; J. Billowes; V. Boccone; D. Bosnar; M. Brugger; F. Calvino; D. Cano-Ott; R. Capote; C. Carrapiço; P. Cennini; F. Cerutti; E. Chiaveri; M. Chin; G. Cortes; M.A. Cortes-Giraldo; L. Cosentino; A. Couture; J. Cox; S. David; I. Dillmann; C. Domingo-Pardo; R. Dressler; W. Dridi; C. Eleftheriadis; M. Embid-Segura; L. Ferrant; A. Ferrari; P. Finocchiaro; K. Fraval; K. Fujii; W. Furman; S. Ganesan; A.R. Garcia; G. Giubrone; M.B. Gomez-Hornillos; I.F. Goncalves; E. Gonzalez-Romero; A. Goverdovski; F. Gramegna; E. Griesmayer; C. Guerrero; P. Gurusamy; R. Haight; M. Heil; S. Heinitz; M. Igashira; S. Isaev; D.G. Jenkins; E. Jericha; Y. Kadi; F. Kaeppeler; D. Karadimos; D. Karamanis; M. Kerveno; V. Ketlerov; N. Kivel; M. Kokkoris; V. Konovalov; M. Krticka; J. Kroll; C. Lampoudis; C. Langer; C. Lederer; H. Leeb; S. Lo Meo; R. Losito; M. Lozano; A. Manousos; J. Marganiec; T. Martinez; S. Marrone; C. Massimi; P. Mastinu; E. Mendoza; A. Mengoni; P.M. Milazzo; F. Mingrone; M. Mirea; W. Mondelaers; C. Moreau; M. Mosconi; A. Musumarra; S. O’Brien; J. Pancin; N. Patronis; A. Pavlik; P. Pavlopoulos; J. Perkowski; L. Perrot; M.T. Pigni; R. Plag; A. Plompen; L. Plukis; A. Poch; C. Pretel; J. Praena; J. Quesada; T. Rauscher; R. Reifarth; A. Riego; F. Roman; G. Rudolf; C. Rubbia; P. Rullhusen; J. Salgado; C. Santos; L. Sarchiapone; R. Sarmento; A. Saxena; P. Schillebeeckx; S. Schmidt; D. Schumann; C. Stephan; G. Tagliente; J.L. Tain; L. Tavora; R. Terlizzi; A. Tsinganis; S. Valenta; G. Vannini; V. Variale; P. Vaz; A. Ventura; R. Versaci; M.J. Vermeulen; D. Villamarin; M.C. Vincente; V. Vlachoudis; R. Vlastou; F. Voss; A. Wallner; S. Walter; T. Ware; M. Weigand; C. Weiß; M. Wiesher; K. Wisshak; T. Wright; P. Zugec

doi:10.1051/epjconf/201611102002

All issues

Volume 111 (2016)

EPJ Web of Conferences, 111 (2016) 02002

Abstract

Open Access

Issue		EPJ Web of Conferences Volume 111, 2016 WONDER-2015 – 4^th International Workshop On Nuclear Data Evaluation for Reactor applications


Article Number		02002
Number of page(s)		6
Section		Microscopic Nuclear data Measurements
DOI		https://doi.org/10.1051/epjconf/201611102002
Published online		15 March 2016

EPJ Web of Conferences 111, 02002 (2016)
https://doi.org/10.1051/epjconf/201611102002

Towards the high-accuracy determination of the ²³⁸U fission cross section at the threshold region at CERN – n_TOF

M. Diakaki¹^a, L. Audouin², E. Berthoumieux¹, M. Calviani³, N. Colonna⁴, E. Dupont¹, I. Duran⁵, F. Gunsing¹^,3, E. Leal-Cidoncha⁵, C. Le Naour², L.S. Leong²^,6, M. Mastromarco⁴, C. Paradela⁵^,7, D. Tarrio⁵^,8, L. Tassan-Got², G. Aerts¹, S. Altstadt⁹, H. Alvarez⁵, F. Alvarez-Velarde¹⁰, S. Andriamonje¹, J. Andrzejewski¹¹, G. Badurek¹², M. Barbagallo⁴, P. Baumann¹³, V. Becares¹⁰, F. Becvar¹⁴, F. Belloni⁷, B. Berthier², J. Billowes¹⁵, V. Boccone³, D. Bosnar¹⁶, M. Brugger³, F. Calvino¹⁷, D. Cano-Ott¹⁰, R. Capote¹⁸, C. Carrapiço¹⁹, P. Cennini³, F. Cerutti³, E. Chiaveri³, M. Chin³, G. Cortes²⁰, M.A. Cortes-Giraldo²¹, L. Cosentino²², A. Couture²³, J. Cox²³, S. David², I. Dillmann²⁴, C. Domingo-Pardo²⁵, R. Dressler²⁶, W. Dridi¹, C. Eleftheriadis²⁷, M. Embid-Segura¹⁰, L. Ferrant², A. Ferrari³, P. Finocchiaro²², K. Fraval¹, K. Fujii²⁸, W. Furman²⁹, S. Ganesan³⁰, A.R. Garcia¹⁰, G. Giubrone²⁵, M.B. Gomez-Hornillos²⁰, I.F. Goncalves¹⁹, E. Gonzalez-Romero¹⁰, A. Goverdovski³¹, F. Gramegna³², E. Griesmayer¹², C. Guerrero³, P. Gurusamy³⁰, R. Haight³³, M. Heil²⁴, S. Heinitz²⁶, M. Igashira³⁴, S. Isaev², D.G. Jenkins³⁵, E. Jericha¹², Y. Kadi³, F. Kaeppeler²⁴, D. Karadimos³⁶, D. Karamanis³⁶, M. Kerveno¹³, V. Ketlerov³¹, N. Kivel²⁶, M. Kokkoris³⁷, V. Konovalov³¹, M. Krticka¹⁴, J. Kroll¹⁴, C. Lampoudis²⁷, C. Langer⁹, C. Lederer⁹, H. Leeb¹², S. Lo Meo³⁸, R. Losito³, M. Lozano²¹, A. Manousos²⁷, J. Marganiec¹¹, T. Martinez¹⁰, S. Marrone⁴, C. Massimi³⁹, P. Mastinu³², E. Mendoza¹⁰, A. Mengoni³⁸, P.M. Milazzo²⁸, F. Mingrone³⁹, M. Mirea⁴⁰, W. Mondelaers⁷, C. Moreau²⁸, M. Mosconi²⁴, A. Musumarra⁴¹, S. O’Brien²³, J. Pancin¹, N. Patronis³⁶, A. Pavlik⁴², P. Pavlopoulos³, J. Perkowski¹¹, L. Perrot¹, M.T. Pigni¹², R. Plag²⁴, A. Plompen⁷, L. Plukis¹, A. Poch¹⁷, C. Pretel¹⁷, J. Praena²¹, J. Quesada²¹, T. Rauscher⁴³^,44, R. Reifarth⁹, A. Riego²⁰, F. Roman³, G. Rudolf¹³, C. Rubbia³, P. Rullhusen⁷, J. Salgado¹⁹, C. Santos¹⁹, L. Sarchiapone³, R. Sarmento¹⁹, A. Saxena³⁰, P. Schillebeeckx⁷, S. Schmidt⁹, D. Schumann²⁶, C. Stephan², G. Tagliente⁴, J.L. Tain²⁵, L. Tavora¹⁹, R. Terlizzi⁴, A. Tsinganis³, S. Valenta¹⁴, G. Vannini³⁹, V. Variale⁴, P. Vaz¹⁹, A. Ventura³⁹, R. Versaci³, M.J. Vermeulen³⁵, D. Villamarin¹⁰, M.C. Vincente¹⁰, V. Vlachoudis³, R. Vlastou³⁷, F. Voss²⁴, A. Wallner⁴⁵, S. Walter²⁴, T. Ware¹⁵, M. Weigand⁹, C. Weiß³, M. Wiesher²³, K. Wisshak²⁴, T. Wright¹⁵ and P. Zugec¹⁶

¹ CEA, Saclay, Irfu/SPhN, Gif-sur-Yvette, France
² CNRS/IN2P3 – IPN, Orsay, France
³ CERN, Geneva, Switzerland
⁴ INFN, Bari, Italy
⁵ Universidade de Santiago de Compostela, Spain
⁶ JAEA, Japan
⁷ EC JRC IRMM, Geel, Belgium
⁸ Department of Physics and Astronomy, Uppsala University, Sweden
⁹ Johann-Wolfgang-Goethe Universität, Frankfurt, Germany
¹⁰ CIEMAT, Madrid, Spain
¹¹ University of Lodz, Poland
¹² Atominstitut der Österreichischen Universitäten, Technische Universität Wien, Austria
¹³ CNRS/IN2P3 – IPHC, Strasbourg, France
¹⁴ Charles University, Prague, Czech Republic
¹⁵ University of Manchester, UK
¹⁶ Department of Physics, Faculty of Science, University of Zagreb, Croatia
¹⁷ Universidad Politécnica de Madrid, Spain
¹⁸ IAEA Nuclear Data Section, Vienna, Austria
¹⁹ Instituto Superior Técnico/CTN, Universidade de Lisboa, Portugal
²⁰ Universitat Politécnica de Catalunya, Barcelona, Spain
²¹ Universidad de Sevilla, Spain
²² INFN - Laboratori Nazionali del Sud, Catania, Italy
²³ University of Notre Dame, Indiana, USA
²⁴ KIT, Karlsruhe, Germany
²⁵ Instituto de Física Corpuscular CSIC-Universidad de Valencia, Spain
²⁶ PSI, Villigen, Switzerland
²⁷ Aristotle University of Thessaloniki, Greece
²⁸ INFN, Trieste, Italy
²⁹ JINR, Dubna, Russia
³⁰ BARC, Mumbai, India
³¹ IPPE, Obninsk, Russia
³² INFN - Laboratori Nazionali di Legnaro, Italy
³³ LANL, New Mexico, USA
³⁴ Tokyo Institute of Technology, Japan
³⁵ University of York, United Kingdom
³⁶ University of Ioannina, Greece
³⁷ National Technical University of Athens, Greece
³⁸ ENEA, Bologna, Italy
³⁹ Dipartimento di Fisica, Università di Bologna, and Sezione INFN di Bologna, Italy
⁴⁰ Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest - Magurele, Romania
⁴¹ Dipartimento di Fisica e Astronomia, Università di Catania and INFN-Laboratori Nazionali del Sud, Catania, Italy
⁴² University of Vienna, Faculty of Physics, Austria
⁴³ Centre for Astrophysics Research, School of Physics Astronomy, Mathematics, University of Hertfordshire, UK
⁴⁴ Department of Physics, University of Basel, Switzerland
⁴⁵ Research School of Physics and Engineering, Australian National University, Australia

^a Corresponding author: maria.diakaki@cea.fr

Published online: 15 March 2016

Abstract

The ²³⁸U fission cross section is an international standard beyond 2 MeV where the fission plateau starts. However, due to its importance in fission reactors, this cross-section should be very accurately known also in the threshold region below 2 MeV. The ²³⁸U fission cross section has been measured relative to the ²³⁵U fission cross section at CERN – n_TOF with different detection systems. These datasets have been collected and suitably combined to increase the counting statistics in the threshold region from about 300 keV up to 3 MeV. The results are compared with other experimental data, evaluated libraries, and the IAEA standards.

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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