The n_TOF facility: Neutron beams for challenging future measurements at CERN

E. Chiaveri; O. Aberle; J. Andrzejewski; L. Audouin; M. Bacak; J. Balibrea; M. Barbagallo; F. Bečvář; E. Berthoumieux; J. Billowes; D. Bosnar; A. Brown; M. Caamaño; F. Calviño; M. Calviani; D. Cano-Ott; R. Cardella; A. Casanovas; F. Cerutti; Y.H. Chen; N. Colonna; G. Cortés; M.A. Cortés-Giraldo; L. Cosentino; L.A. Damone; M. Diakaki; C. Domingo-Pardo; R. Dressler; E. Dupont; I. Durán; B. Fernández-Domínguez; A. Ferrari; P. Ferreira; P. Finocchiaro; K. Göbel; A.R. García; A. Gawlik; S. Gilardoni; T. Glodariu; I.F. Gonçalves; E. González; E. Griesmayer; C. Guerrero; F. Gunsing; H. Harada; S. Heinitz; J. Heyse; D.G. Jenkins; E. Jericha; F. Käppeler; Y. Kadi; A. Kalamara; P. Kavrigin; A. Kimura; N. Kivel; M. Kokkoris; M. Krtička; D. Kurtulgil; E. Leal-Cidoncha; C. Lederer; H. Leeb; J. Lerendegui-Marco; S. Lo Meo; S.J. Lonsdale; D. Macina; J. Marganiec; T. Martínez; A. Masi; C. Massimi; P. Mastinu; M. Mastromarco; E.A. Maugeri; A. Mazzone; E. Mendoza; A. Mengoni; P.M. Milazzo; F. Mingrone; A. Musumarra; A. Negret; R. Nolte; A. Oprea; N. Patronis; A. Pavlik; J. Perkowski; I. Porras; J. Praena; J.M. Quesada; D. Radeck; T. Rauscher; R. Reifarth; C. Rubbia; J.A. Ryan; M. Sabaté-Gilarte; A. Saxena; P. Schillebeeckx; D. Schumann; A.G. Smith; N.V. Sosnin; A. Stamatopoulos; G. Tagliente; J.L. Tain; A. Tarifeño-Saldivia; L. Tassan-Got; A. Tsinganis; S. Valenta; G. Vannini; V. Variale; P. Vaz; A. Ventura; V. Vlachoudis; R. Vlastou; A. Wallner; S. Warren; P.J. Woods; T. Wright; P. Žugec

doi:10.1051/epjconf/201714603001

All issues

Volume 146 (2017)

EPJ Web Conf., 146 (2017) 03001

Abstract

Open Access

Issue		EPJ Web Conf. Volume 146, 2017 ND 2016: International Conference on Nuclear Data for Science and Technology


Article Number		03001
Number of page(s)		4
Section		Experimental Facilities, Equipment, Techniques and Methods
DOI		https://doi.org/10.1051/epjconf/201714603001
Published online		13 September 2017

EPJ Web of Conferences 146, 03001 (2017)
https://doi.org/10.1051/epjconf/201714603001

The n_TOF facility: Neutron beams for challenging future measurements at CERN

E. Chiaveri¹^,9^,14^a, O. Aberle¹, J. Andrzejewski², L. Audouin³, M. Bacak¹^,4^,5, J. Balibrea⁶, M. Barbagallo⁷, F. Bečvář⁸, E. Berthoumieux⁵, J. Billowes⁹, D. Bosnar¹⁰, A. Brown¹¹, M. Caamaño¹², F. Calviño¹³, M. Calviani¹, D. Cano-Ott⁶, R. Cardella¹, A. Casanovas¹³, F. Cerutti¹, Y.H. Chen³, N. Colonna⁷, G. Cortés¹³, M.A. Cortés-Giraldo¹⁴, L. Cosentino¹⁵, L.A. Damone⁷^,16, M. Diakaki⁵, C. Domingo-Pardo¹⁷, R. Dressler¹⁸, E. Dupont⁵, I. Durán¹², B. Fernández-Domínguez¹², A. Ferrari¹, P. Ferreira¹⁹, P. Finocchiaro¹⁵, K. Göbel²⁰, A.R. García⁶, A. Gawlik², S. Gilardoni¹, T. Glodariu²¹, I.F. Gonçalves¹⁹, E. González⁶, E. Griesmayer⁴, C. Guerrero¹⁴, F. Gunsing⁵^,1, H. Harada²², S. Heinitz¹⁸, J. Heyse²³, D.G. Jenkins¹¹, E. Jericha⁴, F. Käppeler²⁴, Y. Kadi¹, A. Kalamara²⁵, P. Kavrigin⁴, A. Kimura²², N. Kivel¹⁸, M. Kokkoris²⁵, M. Krtička⁸, D. Kurtulgil²⁰, E. Leal-Cidoncha¹², C. Lederer²⁶, H. Leeb⁴, J. Lerendegui-Marco¹⁴, S. Lo Meo²⁷^,28, S.J. Lonsdale²⁶, D. Macina¹, J. Marganiec²^,29, T. Martínez⁶, A. Masi¹, C. Massimi²⁸^,30, P. Mastinu³¹, M. Mastromarco⁷, E.A. Maugeri¹⁸, A. Mazzone⁷^,32, E. Mendoza⁶, A. Mengoni²⁷, P.M. Milazzo³³, F. Mingrone¹, A. Musumarra¹⁵^,34, A. Negret²¹, R. Nolte²⁹, A. Oprea²¹, N. Patronis³⁵, A. Pavlik³⁶, J. Perkowski², I. Porras³⁷, J. Praena³⁷, J.M. Quesada¹⁴, D. Radeck²⁹, T. Rauscher³⁸^,39, R. Reifarth²⁰, C. Rubbia¹, J.A. Ryan⁹, M. Sabaté-Gilarte¹^,14, A. Saxena⁴⁰, P. Schillebeeckx²³, D. Schumann¹⁸, A.G. Smith⁹, N.V. Sosnin⁹, A. Stamatopoulos²⁵, G. Tagliente⁷, J.L. Tain¹⁷, A. Tarifeño-Saldivia¹³, L. Tassan-Got³, A. Tsinganis¹, S. Valenta⁸, G. Vannini²⁸^,30, V. Variale⁷, P. Vaz¹⁹, A. Ventura²⁸, V. Vlachoudis¹, R. Vlastou²⁵, A. Wallner⁴¹, S. Warren⁹, P.J. Woods²⁶, T. Wright⁹ and P. Žugec¹⁰^,1

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

^a e-mail: Enrico.Chiaveri@cern.ch

Published online: 13 September 2017

Abstract

The CERN n_TOF neutron beam facility is characterized by a very high instantaneous neutron flux, excellent TOF resolution at the 185 m long flight path (EAR-1), low intrinsic background and coverage of a wide range of neutron energies, from thermal to a few GeV. These characteristics provide a unique possibility to perform high-accuracy measurements of neutron-induced reaction cross-sections and angular distributions of interest for fundamental and applied Nuclear Physics. Since 2001, the n_TOF Collaboration has collected a wealth of high quality nuclear data relevant for nuclear astrophysics, nuclear reactor technology, nuclear medicine, etc. The overall efficiency of the experimental program and the range of possible measurements has been expanded with the construction of a second experimental area (EAR-2), located 20 m on the vertical of the n_TOF spallation target. This upgrade, which benefits from a neutron flux 30 times higher than in EAR-1, provides a substantial extension in measurement capabilities, opening the possibility to collect data on neutron cross-section of isotopes with short half-lives or available in very small amounts. This contribution will outline the main characteristics of the n_TOF facility, with special emphasis on the new experimental area. In particular, we will discuss the innovative features of the EAR-2 neutron beam that make possible to perform very challenging measurements on short-lived radioisotopes or sub-mg samples, out of reach up to now at other neutron facilities around the world. Finally, the future perspectives of the facility will be presented.

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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