Neutron beam imaging with micromegas detectors in combination with neutron time-of-flight at the n-TOF facility at CERN

F. Belloni, S. Andriamonje, E. Berthoumieux, M. Calviani, E. Chiaveri, N. Colonna, Y. Giomataris, C. Guerrero, F. Gunsing, F. J. Iguaz, M. Kebbiri, J. Pancin, T. Papaevangelou, A. Tsinganis, V. Vlachoudis, S. Altstadt, J. Andrzejewski, L. Audouin, M. Barbagallo, V. BécaresF. Bečvář, J. Billowes, V. Boccone, D. Bosnar, M. Brugger, F. Calviño, D. Cano-Ott, C. Carrapiço, F. Cerutti, E. Chiaveri, M. Chin, G. Cortés, M. A. Corté-Giraldo, M. Diakaki, C. Domingo-Pardo, I. Duran, N. Dzysiuk, C. Eleftheriadis, A. Ferrari, K. Fraval, S. Ganesan, A. R. García, G. Giubrone, M. B. Gómez-Hornillos, I. F. Gonçalves, E. González-Romero, E. Griesmayer, P. Gurusamy, D. G. Jenkins, E. Jericha, Y. Kadi, F. Käppeler, D. Karadimos, P. Koehler, M. Kokkoris, M. Krtička, J. Kroll, C. Langer, C. Lederer, H. Leeb, L. S. Leong, R. Losito, A. Manousos, J. Marganiec, T. Marítnez, C. Massimi, P. F. Mastinu, M. Mastromarco, M. Meaze, E. Mendoza, A. Mengoni, P. M. Milazzo, F. Mingrone, M. Mirea, W. Mondalaers, C. Paradela, A. Pavlik, J. Perkowski, A. Plompen, J. Praena, J. M. Quesada, T. Rauscher, R. Reifarth, A. Riego, F. Roman, C. Rubbia, R. Sarmento, P. Schillebeeckx, S. Schmidt, G. Tagliente, J. L. Tain, D. Tarrío, L. Tassan-Got, S. Valenta, G. Vannini, V. Variale, P. Vaz, A. Ventura, R. Versaci, M. J. Vermeulen, V. Vlachoudis, R. Vlastou, A. Wallner, T. Ware, M. Weigand, C. Weiss, T. J. Wright, P. Žugec

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    A bulk micromegas detector with the anode segmented in 2 orthogonal directions and equipped with a neutron/charged particle converter is employed at the neutron time-of-flight (nTOF) facility at CERN to determine the incident neutron beam profile and beam interception factor as a function of the neutron energy determined by the time of flight. Discrepancies between experimental results and simulations in the values of the beam interception factor range up to 12 % and are to be ascribed to a defect in the mesh of the bulk. Nevertheless the detector proved to be really useful for checking the alignment of the neutron beam optics of the facility. Measurements with a new pixelized bulk detector for the determination of the beam interception factor are forseen before the end of 2012.

    Original languageEnglish
    Title of host publication4th International Conference on Current Problems in Nuclear Physics and Atomic Energy, NPAE 2012 - Proceedings
    PublisherKiev Institute for Nuclear Research,KINR
    Pages366-368
    Number of pages3
    EditionPART 2
    Publication statusPublished - 2013
    Event4th International Conference on Current Problems in Nuclear Physics and Atomic Energy, NPAE 2012 - Kyiv, Ukraine
    Duration: 3 Sept 20127 Sept 2012

    Conference

    Conference4th International Conference on Current Problems in Nuclear Physics and Atomic Energy, NPAE 2012
    Country/TerritoryUkraine
    CityKyiv
    Period3/09/127/09/12

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