Monte carlo simulations of the n-TOF lead spallation target with the Geant4 toolkit: A benchmark study

J. Lerendegui-Marco, M. A. Cortés-Giraldo, C. Guerrero, J. M. Quesada, S. Lo Meo, C. Massimi, M. Barbagallo, N. Colonna, D. Mancussi, F. Mingrone, M. Sabaté-Gilarte, G. Vannini, V. Vlachoudis, O. Aberle, J. Andrzejewski, L. Audouin, M. Bacak, J. Balibrea, F. Bečvář, E. BerthoumieuxJ. Billowes, D. Bosnar, A. Brown, M. Caamaño, F. Calviño, M. Calviani, D. Cano-Ott, R. Cardella, A. Casanovas, F. Cerutti, Y. H. Chen, E. Chiaveri, G. Cortés, 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, M. B. Gómez-Hornillos, A. R. García, A. Gawlik, S. Gilardoni, T. Glodariu, I. F. Gonçalves, E. González, E. Griesmayer, 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, S. J. Lonsdale, D. Macina, J. Marganiec, T. Martínez, A. Masi, P. Mastinu, M. Mastromarco, E. A. Maugeri, A. Mazzone, E. Mendoza, A. Mengoni, P. M. Milazzo, A. Musumarra, A. Negret, R. Nolte, A. Oprea, N. Patronis, A. Pavlik, J. Perkowski, I. Porras, J. Praena, D. Radeck, T. Rauscher, R. Reifarth, P. C. Rout, C. Rubbia, J. A. Ryan, 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, S. Valenta, V. Variale, P. Vaz, A. Ventura, R. Vlastou, A. Wallner, S. Warren, P. J. Woods, T. Wright, P. Ugec

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Abstract

Monte Carlo (MC) simulations are an essential tool to determine fundamental features of a neutron beam, such as the neutron flux or the γ-ray background, that sometimes can not be measured or at least not in every position or energy range. Until recently, the most widely used MC codes in this field had been MCNPX and FLGBRA. However, the Geant4 toolkit has also become a competitive code for the transport of neutrons after the development of the native Geant4 format for neutron data libraries, G4NDL. In this context, we present the Geant4 simulations of the neutron spallation target of the n-TOF facility at CERN, done with version 10.1.1 of the toolkit. The first goal was the validation of the intra-nuclear cascade models implemented in the code using, as benchmark, the characteristics of the neutron beam measured at the first experimental area (EAR1), especially the neutron flux and energy distribution, and the time distribution of neutrons of equal kinetic energy, the so-called Resolution Function. The second goal was the development of a Monte Carlo tool aimed to provide useful calculations for both the analysis and planning of the upcoming measurements at the new experimental area (EAR2) of the facility.

Original languageEnglish
Title of host publicationND 2016
Subtitle of host publicationInternational Conference on Nuclear Data for Science and Technology
PublisherEDP Sciences
Volume146
ISBN (Electronic)9782759890200
DOIs
Publication statusPublished - 13 Sept 2017
Event2016 International Conference on Nuclear Data for Science and Technology, ND 2016 - Bruges, Belgium
Duration: 11 Sept 201616 Sept 2016

Conference

Conference2016 International Conference on Nuclear Data for Science and Technology, ND 2016
Country/TerritoryBelgium
CityBruges
Period11/09/1616/09/16

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