Measurement of the n_TOF beam profile with a micromegas detector

A Micromegas detector was used in the neutron Time-Of-Flight (n_TOF) facility at CERN to evaluate the spatial distribution of the neutron beam as a function of its kinetic energy. This was achieved over a large range of neutron energies by using two complementary processes: at low energy by capture...

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Main Author: Pancin, J. (author)
Other Authors: Abbondanno, U. (author), Aerts, G. (author), Alvarez, H. (author), Andriamonje, S. (author), Angelopoulos, A. (author), Assimakopoulos, P. (author), Bacri, C. (author), Badurek, G. (author), Baumann, P. (author), Becvár, F. (author), Marrone, S. (author), Martinez-Val, J. (author), Mastinu, P. (author), Mengoni, A. (author), Milazzo, P. (author), Minguez, E. (author), Poch, A. (author), Molina-Coballes, A. (author), Moreau, C. (author), Neves, F. (author), Salgado, J. (author), Oberhummer, H. (author), O'Brien, S. (author), Papadopoulos, I. (author), Papavengelou, T. (author), Paradela, C. (author), Pavlik, A. (author), Pavlopoulos, P. (author), Policarpo, A. (author), Perez-Parra, A. (author), Perlado, J. (author), Savvidis, E. (author), Peskov, V. (author), Perrot, L. (author), Plag, R. (author), Plompen, A. (author), Pretel, C. (author), Quesada, J. (author), Radici, M. (author), Raman, S. (author), Rapp, W. (author), Stephan, C. (author), Reifarth, R. (author), Rejmund, F. (author), Beer, H. (author), Rosetti, M. (author), Rubbia, C. (author), Rudolf, G. (author), Rullhusen, P. (author), Tagliente, G. (author), Tain, J. (author), Tapia, C. (author), Benlliure, J. (author), Tassan-Got, L. (author), Tavora, L. (author), Terlizzi, R. (author), Colonna, N. (author), Terrani, M. (author), Tsangas, N. (author), Vannini, G. (author), Vaz, P. (author), Ventura, A. (author), Villamarin-Fernandez, D. (author), Vincente-Vincente, M. (author), Berthier, B. (author), Vlachoudis, V. (author), Vlastou, R. (author), Cortes, G. (author), Voss, F. (author), Wendler, H. (author), Wiescher, M. (author), Wisshak, K. (author), Zanini, L. (author), Berthoumieux, E. (author), Boffi, S. (author), Borcea, C. (author), Boscolo-Marchi, E. (author), Bustreo, N. (author), Cortina, D. (author), Calviño, F. (author), Cano-ott, D. (author), Capote, R. (author), Carlson, P. (author), Cennini, P. (author), Chepel, V. (author), Chiaveri, E. (author), Couture, A. (author), Cox, J. (author), Dababneh, S. (author), Dahlfors, M. (author), David, S. (author), Delbart, A. (author), Derre, J. (author), Karamanis, D. (author), Dolfini, R. (author), Domingo, C. (author), Duran-Escribano, I. (author), Eleftheriadis, C. (author), Embid-Segura, M. (author), Ferrant, L. (author), Ferrari, A. (author), Ferreira-Lourenco, L. (author), Ferreira-Marques, R. (author), Frais-Koelbl, H. (author), Kelic, A. (author), Furman, W. (author), Giomataris, Y. (author), Goncalves, I. (author), Gonzalez-Romero, E. (author), Goverdovski, A. (author), Gramegna, F. (author), Griesmayer, E. (author), Gunsing, F. (author), Haight, R. (author), Heil, M. (author), Ketlerov, V. (author), Herrera-Martinez, A. (author), Ioannides, K. (author), Janeva, N. (author), Jeanneau, F. (author), Jericha, E. (author), Käppeler, F. (author), Kadi, Y. (author), Kitis, G. (author), Koehler, P. (author), Konovalov, V. (author), Kossionides, E. (author), Lacoste, V. (author), Leeb, H. (author), Lindote, A. (author), Plukis, A. (author), Lopes, I. (author), Lozano, M. (author), Lukic, S. (author), Markov, S. (author)
Format: article
Language:eng
Published: 2004
Subjects:
Beam profile
Neutron beam profiler
Micromegas
Online Access:http://hdl.handle.net/10316/4446
Country:Portugal
Oai:oai:estudogeral.sib.uc.pt:10316/4446
Description
Summary:A Micromegas detector was used in the neutron Time-Of-Flight (n_TOF) facility at CERN to evaluate the spatial distribution of the neutron beam as a function of its kinetic energy. This was achieved over a large range of neutron energies by using two complementary processes: at low energy by capture of a neutron via the 6Li(n,[alpha])t reaction, and at high energy by elastic scattering of neutrons on gas nuclei (argon+isobutane or helium+isobutane). Data are compared to Monte Carlo simulations and an analytic function fitting the beam profile has been calculated with a sufficient precision to use in neutron capture experiments at the n_TOF facility.

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