Characterisation of the n_TOF 20 m beam line at CERN with the new spallation target

J. A. Pavón-Rodríguez; V. Alcayne; S. Amaducci; M. Bacak; A. Casanovas; M. A. Cortés-Giraldo; F. García-Infantes; J. Lerendegui-Marco; A. Manna; E. Musacchio-Gonzalez; N. Patronis; M. Sabaté-Gilarte; M. E. Stamati; L. Tassan-Got; V. Vlachoudis; O. Aberle; S. Altieri; H. Amar Es-Sghir; J. Andrzejewski; V. Babiano-Suarez; J. Balibrea; S. Bennett; A. P. Bernardes; E. Berthoumieux; D. Bosnar; M. Busso; M. Caamaño; F. Alviño; M. Calviani; D. Cano-Ott; D. M. Castelluccio; F. Cerutti; G. Cescutti; S. Chasapoglou; E. Chiaveri; P. Colombetti; N. Colonna; P. C. Console Camprini; G. Cortés; L. Cosentino; S. Cristallo; M. Di Castro; D. Diacono; M. Diakaki; M. Dietz; C. Domingo-Pardo; R. Dressler; E. Dupont; I. Durán; Z. Eleme; S. Fargier; B. Fernández-Domínguez; P. Finocchiaro; S. Fiore; V. Furman; A. Gawlik-Ramięga; G. Gervino; S. Gilardoni; E. González-Romero; C. Guerrero; F. Gunsing; C. Gustavino; J. Heyse; D. G. Jenkins; E. Jericha; A. Junghans; Y. Kadi; T. Katabuchi; I. Knapová; M. Kokkoris; Y. Kopatch; M. Krtička; D. Kurtulgil; I. Ladarescu; C. Lederer-Woods; G. Lerner; T. Martínez; A. Masi; C. Massimi; P. Mastinu; M. Mastromarco; F. Matteucci; E. A. Maugeri; A. Mazzone; E. Mendoza; A. Mengoni; V. Michalopoulou; P. M. Milazzo; R. Mucciola; F. Murtas†; A. Musumarra; A. Negret; A. Oprea; P. Pérez-Maroto; M. G. Pellegriti; J. Perkowski; C. Petrone; L. Piersanti; E. Pirovano; S. Pomp; I. Porras; J. Praena; N. Protti; J. M. Quesada; T. Rauscher; R. Reifarth; D. Rochman; Y. Romanets; F. Romano; C. Rubbia; A. Sánchez; P. Schillebeeckx; D. Schumann; A. Sekhar; A. G. Smith; N. V. Sosnin; M. Spelta; G. Tagliente; A. Tarifeño-Saldivia; D. Tarrío; N. Terranova; P. Torres-Sánchez; S. Urlass; S. Valenta; V. Variale; P. Vaz; D. Vescovi; R. Vlastou; A. Wallner; P. J. Woods; T. Wright; P. Žugec

doi:10.1051/epjconf/202328406006

All issues

Volume 284 (2023)

EPJ Web of Conf., 284 (2023) 06006

Abstract

Open Access

Issue		EPJ Web of Conf. Volume 284, 2023 15^th International Conference on Nuclear Data for Science and Technology (ND2022)


Article Number		06006
Number of page(s)		6
Section		Experimental Facilities
DOI		https://doi.org/10.1051/epjconf/202328406006
Published online		26 May 2023

EPJ Web of Conferences 284, 06006 (2023)
https://doi.org/10.1051/epjconf/202328406006

Characterisation of the n_TOF 20 m beam line at CERN with the new spallation target

J. A. Pavón-Rodríguez¹^,2, V. Alcayne³, S. Amaducci⁴, M. Bacak², A. Casanovas⁵, M. A. Cortés-Giraldo¹, F. García-Infantes⁶^,2, J. Lerendegui-Marco⁵, A. Manna⁷^,8, E. Musacchio-Gonzalez⁹, N. Patronis¹⁰, M. Sabaté-Gilarte², M. E. Stamati¹⁰^,2, L. Tassan-Got², V. Vlachoudis², O. Aberle², S. Altieri¹¹^,12, H. Amar Es-Sghir⁶, J. Andrzejewski¹³, V. Babiano-Suarez⁵, J. Balibrea⁵, S. Bennett¹⁴, A. P. Bernardes², E. Berthoumieux¹⁵, D. Bosnar¹⁶, M. Busso¹⁷^,18, M. Caamaño¹⁹, F. Alviño²⁰, M. Calviani², D. Cano-Ott³, D. M. Castelluccio²¹^,7, F. Cerutti², G. Cescutti²²^,23, S. Chasapoglou²⁴, E. Chiaveri²^,14, P. Colombetti²⁵^,26, N. Colonna²⁷, P. C. Console Camprini²¹^,7, G. Cortés²⁰, L. Cosentino⁴, S. Cristallo¹⁷^,28, M. Di Castro², D. Diacono²⁷, M. Diakaki²⁴, M. Dietz²⁹, C. Domingo-Pardo⁵, R. Dressler³⁰, E. Dupont¹⁵, I. Durán¹⁹, Z. Eleme¹⁰, S. Fargier², B. Fernández-Domínguez¹⁹, P. Finocchiaro⁴, S. Fiore²¹^,31, V. Furman³², A. Gawlik-Ramięga¹³, G. Gervino²⁵^,26, S. Gilardoni², E. González-Romero³, C. Guerrero¹, F. Gunsing¹⁵, C. Gustavino³¹, J. Heyse³³, D. G. Jenkins³⁴, E. Jericha³⁵, A. Junghans³⁶, Y. Kadi², T. Katabuchi³⁷, I. Knapová³⁸, M. Kokkoris²⁴, Y. Kopatch³², M. Krtička³⁸, D. Kurtulgil³⁹, I. Ladarescu⁵, C. Lederer-Woods⁴⁰, G. Lerner², T. Martínez³, A. Masi², C. Massimi⁷^,8, P. Mastinu⁹, M. Mastromarco²⁷^,41, F. Matteucci²²^,23, E. A. Maugeri³⁰, A. Mazzone²⁷^,42, E. Mendoza³, A. Mengoni²¹^,7, V. Michalopoulou²⁴^,2, P. M. Milazzo²², R. Mucciola¹⁷^,18, F. Murtas†⁴³, A. Musumarra⁴⁴^,45, A. Negret⁴⁶, A. Oprea⁴⁶, P. Pérez-Maroto¹, M. G. Pellegriti⁴⁴, J. Perkowski¹³, C. Petrone⁴⁶, L. Piersanti¹⁷^,28, E. Pirovano²⁹, S. Pomp⁴⁷, I. Porras⁶, J. Praena⁶^,2, N. Protti¹¹^,12, J. M. Quesada¹, T. Rauscher⁴⁸, R. Reifarth³⁹, D. Rochman³⁰, Y. Romanets⁴⁹, F. Romano⁴⁴, C. Rubbia², A. Sánchez³, P. Schillebeeckx³³, D. Schumann³⁰, A. Sekhar¹⁴, A. G. Smith¹⁴, N. V. Sosnin⁴⁰, M. Spelta⁷^,8, G. Tagliente²⁷, A. Tarifeño-Saldivia²⁰, D. Tarrío⁴⁷, N. Terranova²¹^,43, P. Torres-Sánchez⁶, S. Urlass³⁶^,2, S. Valenta³⁸, V. Variale²⁷, P. Vaz⁴⁹, D. Vescovi³⁹, R. Vlastou²⁴, A. Wallner⁵⁰, P. J. Woods⁴⁰, T. Wright¹⁴, P. Žugec¹⁶ and n_TOF Collaboration

¹ Universidad de Sevilla, Spain
² European Organization for Nuclear Research (CERN), Switzerland
³ Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Spain
⁴ INFN Laboratori Nazionali del Sud, Catania, Italy
⁵ Instituto de Física Corpuscular, CSIC - Universidad de Valencia, Spain
⁶ University of Granada, Spain
⁷ Istituto Nazionale di Fisica Nucleare, Sezione di Bologna, Italy
⁸ Dipartimento di Fisica e Astronomia, Università di Bologna, Italy
⁹ INFN Laboratori Nazionali di Legnaro, Italy
¹⁰ University of Ioannina, Greece
¹¹ Istituto Nazionale di Fisica Nucleare, Sezione di Pavia, Italy
¹² Department of Physics, University of Pavia, Italy
¹³ University of Lodz, Poland
¹⁴ University of Manchester, United Kingdom
¹⁵ CEA Irfu, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
¹⁶ Department of Physics, Faculty of Science, University of Zagreb, Zagreb, Croatia
¹⁷ Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, Italy
¹⁸ Dipartimento di Fisica e Geologia, Università di Perugia, Italy
¹⁹ University of Santiago de Compostela, Spain
²⁰ Universitat Politècnica de Catalunya, Spain
²¹ Agenzia nazionale per le nuove tecnologie (ENEA), Italy
²² Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Italy
²³ Department of Physics, University of Trieste, Italy
²⁴ National Technical University of Athens, Greece
²⁵ Istituto Nazionale di Fisica Nucleare, Sezione di Torino, Italy
²⁶ Department of Physics, University of Torino, Italy
²⁷ Istituto Nazionale di Fisica Nucleare, Sezione di Bari, Italy
²⁸ Istituto Nazionale di Astrofisica - Osservatorio Astronomico di Teramo, Italy
²⁹ Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116 Braunschweig, Germany
³⁰ Paul Scherrer Institut (PSI), Villigen, Switzerland
³¹ Istituto Nazionale di Fisica Nucleare, Sezione di Roma1, Roma, Italy
³² Joint Institute for Nuclear Research (JINR), Dubna, Russia
³³ European Commission, Joint Research Centre (JRC), Geel, Belgium
³⁴ University of York, United Kingdom
³⁵ TU Wien, Atominstitut, Stadionallee 2, 1020 Wien, Austria
³⁶ Helmholtz-Zentrum Dresden-Rossendorf, Germany
³⁷ Tokyo Institute of Technology, Japan
³⁸ Charles University, Prague, Czech Republic
³⁹ Goethe University Frankfurt, Germany
⁴⁰ School of Physics and Astronomy, University of Edinburgh, United Kingdom
⁴¹ Dipartimento Interateneo di Fisica, Università degli Studi di Bari, Italy
⁴² Consiglio Nazionale delle Ricerche, Bari, Italy
⁴³ INFN Laboratori Nazionali di Frascati, Italy
⁴⁴ Istituto Nazionale di Fisica Nucleare, Sezione di Catania, Italy
⁴⁵ Department of Physics and Astronomy, University of Catania, Italy
⁴⁶ Horia Hulubei National Institute of Physics and Nuclear Engineering, Romania
⁴⁷ Uppsala University, Sweden
⁴⁸ Department of Physics, University of Basel, Switzerland
⁴⁹ Instituto Superior Técnico, Lisbon, Portugal
⁵⁰ Australian National University, Canberra, Australia

Published online: 26 May 2023

Abstract

The n_TOF facility hosts CERN’s pulsed neutron source, comprising two beam lines of different flight paths and one activation station. It is based on a proton beam delivered by the PS accelerator impinging on a lead spallation target. During Long Shutdown 2 (LS2) at CERN (2019-2021), a major upgrade of the spallation target was carried out in order to optimize the performances of the neutron beam. Therefore, the characteristics of n_TOF two experimental areas were investigated in detail. In this work, the focus is on the second experimental area (EAR2), located 20 m above the spallation target. Preliminary results of the neutron energy distribution and beam line energy resolution are presented, compared to previous experimental campaigns and Monte Carlo simulations with the FLUKA code. Moreover, preliminary results of the spatial beam profile measurements are shown.

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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