Measurement of the neutron capture cross section of the c 235U with the CERN n_TOF total absorption calorimeter and a fission tagging based on micromegas detectors

J. Balibrea, E. Mendoza, D. Cano-Ott, C. Guerrero, E. Berthoumieux, S. Altstadt, J. Andrzejewski, L. Audouin, M. Barbagallo, V. Bécares, F. Bečvář, F. Belloni, J. Billowes, V. Boccone, D. Bosnar, M. Brugger, M. Calviani, F. Calviño, C. Carrapiço, F. CeruttiE. Chiaveri, M. Chin, N. Colonna, G. Cortés, M. A. Cortés-Giraldo, M. Diakaki, C. Domingo-Pardo, I. Duran, R. Dressler, 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, F. Gunsing, P. Gurusamy, D. G. Jenkins, E. Jericha, Y. Kadi, F. Käppeler, D. Karadimos, T. Kawano, N. Kivel, P. Koehler, M. Kokkoris, G. Korschinek, M. Krtička, J. Kroll, C. Langer, C. Lampoudis, C. Lederer, H. Leeb, L. S. Leong, R. Losito, A. Manousos, J. Marganiec, T. Martínez, P. F. Mastinu, M. Mastromarco, C. Massimi, M. Meaze, A. Mengoni, P. M. Milazzo, F. Mingrone, M. Mirea, W. Mondelaers, C. Paradela, A. Pavlik, J. Perkowski, M. Pignatari, A. Plompen, J. Praena, J. M. Quesada, T. Rauscher, R. Reifarth, A. Riego, F. Roman, C. Rubbia, R. Sarmento, P. Schillebeeckx, S. Schmidt, D. Schumann, I. Stetcu, M. Sabaté, G. Tagliente, J. L. Tain, D. Tarrío, L. Tassan-Got, A. Tsinganis, 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

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6 Citations (Scopus)

Abstract

Current and future nuclear technologies require more accurate nuclear data on (n,γ) cross sections and the α-ratios of fissile isotopes. Their measurement presents several difficulties, mainly related to the strong fission γ-ray background competing with the weaker γ-ray cascades used as the experimental signature of the (n,γ) process. A specific setup was used at the CERN n TOF facility in 2012 for the measurement of the (n,γ) cross section and α-ratios of fissile isotopes and used for the case of the 235 U isotope. The setup consists of a set of micromegas fission detectors surrounding the 235 U samples all placed inside a segmented BaF2 Total Absorption Calorimeter.

Original languageEnglish
Pages (from-to)10-13
Number of pages4
JournalNuclear Data Sheets
Volume119
DOIs
Publication statusPublished - 1 May 2014

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