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Title Measurement and analysis of the $^{241}$Am neutron capture cross section at the n_TOF facility at CERN
Author(s) Mendoza, E (Madrid, CIEMAT) ; Cano-Ott, D (Madrid, CIEMAT) ; Altstadt, S (Goethe U., Frankfurt (main)) ; Andriamonje, S (IRFU, Saclay) ; Andrzejewski, J (Lodz U.) ; Audouin, L (Orsay, IPN) ; Balibrea, J (Madrid, CIEMAT) ; Bécares, V (Madrid, CIEMAT) ; Barbagallo, M (INFN, Bari) ; Bečvář, F (Charles U.) ; Belloni, F (IRFU, Saclay) ; Berthier, B (Orsay, IPN) ; Berthoumieux, E (IRFU, Saclay) ; Billowes, J (Manchester U.) ; Bosnar, D (Zagreb U., Phys. Dept.) ; Brugger, M (CERN) ; Calviño, F (Barcelona, Polytechnic U.) ; Calviani, M (CERN) ; Carrapiço, C (Lisbon, IST) ; Cerutti, F (CERN) ; Chiaveri, E (CERN ; IRFU, Saclay) ; Chin, M (CERN) ; Colonna, N (INFN, Bari) ; Cortés, G (Barcelona, Polytechnic U.) ; Cortés-Giraldo, M A (Seville U.) ; Diakaki, M (Natl. Tech. U., Athens) ; Dillmann, I (Munich, Tech. U.) ; Domingo-Pardo, C (Goethe U., Frankfurt (main)) ; Durán, I (Santiago de Compostela U.) ; Dzysiuk, N (INFN, Legnaro) ; Eleftheriadis, C (Aristotle U., Thessaloniki) ; Ferrari, A (CERN) ; Fraval, K (IRFU, Saclay) ; Furman, V (Dubna, JINR) ; Gómez-Hornillos, M B (Barcelona, Polytechnic U.) ; Ganesan, S (Bhabha Atomic Res. Ctr.) ; García, A R (Madrid, CIEMAT) ; Giubrone, G (Valencia U., IFIC) ; Gonçalves, I F (Lisbon, IST) ; González, E (Madrid, CIEMAT) ; Goverdovski, A (Obninsk, Inst. Phys. Power Eng.) ; Gramegna, F (INFN, Legnaro) ; Griesmayer, E (Vienna, Tech. U.) ; Guerrero, C (CERN ; Seville U.) ; Gunsing, F (IRFU, Saclay) ; Gurusamy, P (Bhabha Atomic Res. Ctr.) ; Heftrich, T (Goethe U., Frankfurt (main)) ; Heinitz, S (PSI, Villigen) ; Hernández-Prieto, A (CERN ; Barcelona, Polytechnic U.) ; Heyse, J (Geel, JRC) ; Jenkins, D G (York U., England) ; Jericha, E (Vienna, Tech. U.) ; Käppeler, F (KIT, Karlsruhe) ; Kadi, Y (CERN) ; Karadimos, D (Natl. Tech. U., Athens) ; Katabuchi, T (Tokyo Inst. Tech.) ; Ketlerov, V (Obninsk, Inst. Phys. Power Eng.) ; Khryachkov, V (Obninsk, Inst. Phys. Power Eng.) ; Koehler, P (Oak Ridge) ; Kokkoris, M (Natl. Tech. U., Athens) ; Kroll, J (Charles U.) ; Krtička, M (Charles U.) ; Lampoudis, C (IRFU, Saclay) ; Langer, C (Goethe U., Frankfurt (main)) ; Leal-Cidoncha, E (Santiago de Compostela U.) ; Lederer, C (Vienna U.) ; Leeb, H (Vienna, Tech. U.) ; Leong, L S (Orsay, IPN) ; Lerendegui-Marco, J (Seville U.) ; Licata, M (INFN, Bologna ; U. Bologna, DIFA) ; López, D (Madrid, CIEMAT) ; Losito, R (CERN) ; Manousos, A (Aristotle U., Thessaloniki) ; Marganiec, J (Lodz U.) ; Martínez, T (Madrid, CIEMAT) ; Massimi, C (INFN, Bologna ; U. Bologna, DIFA) ; Mastinu, P (INFN, Legnaro) ; Mastromarco, M (INFN, Bari) ; Mengoni, A (ENEA, Bologna) ; Milazzo, P M (INFN, Trieste) ; Mingrone, F (INFN, Bologna) ; Mirea, M (Bucharest, IFIN-HH) ; Mondelaers, W (Geel, JRC) ; Paradela, C (Santiago de Compostela U.) ; Pavlik, A (Vienna U.) ; Perkowski, J (Lodz U.) ; Plompen, A J M (Geel, JRC) ; Praena, J (Seville U. ; CAFPE, Granada) ; Quesada, J M (Seville U.) ; Rauscher, T (Basel U.) ; Reifarth, R (Goethe U., Frankfurt (main)) ; Riego-Perez, A (Barcelona, Polytechnic U.) ; Robles, M (Santiago de Compostela U.) ; Roman, F (Bucharest, IFIN-HH) ; Rubbia, C (CERN) ; Ryan, J A (Manchester U.) ; Sabaté-Gilarte, M (CERN ; Seville U.) ; Sarmento, R (Lisbon, IST) ; Saxena, A (Bhabha Atomic Res. Ctr.) ; Schillebeeckx, P (Geel, JRC) ; Schmidt, S (Goethe U., Frankfurt (main)) ; Schumann, D (PSI, Villigen) ; Sedyshev, P (Dubna, JINR) ; Tagliente, G (INFN, Bari) ; Tain, J L (Valencia U., IFIC) ; Tarifeño-Saldivia, A (Valencia U., IFIC) ; Tarrío, D (Santiago de Compostela U.) ; Tassan-Got, L (Orsay, IPN) ; Tsinganis, A (CERN) ; Valenta, S (Charles U.) ; Vannini, G (INFN, Bologna ; U. Bologna, DIFA) ; Variale, V (INFN, Bari) ; Vaz, P (Lisbon, IST) ; Ventura, A (INFN, Bologna) ; Vermeulen, M J (York U., England) ; Versaci, R (CERN) ; Vlachoudis, V (CERN) ; Vlastou, R (Natl. Tech. U., Athens) ; Wallner, A (Australian Natl. U., Canberra) ; Ware, T (Manchester U.) ; Weigand, M (Goethe U., Frankfurt (main)) ; Weiss, C (Vienna, Tech. U.) ; Wright, T (Manchester U.) ; Žugec, P (Zagreb U., Phys. Dept.)
Collaboration n_TOF
Publication 2018
Number of pages 21
In: Phys. Rev. C 97 (2018) 054616
DOI 10.1103/PhysRevC.97.054616
Subject category Nuclear Physics - Experiment
Accelerator/Facility, Experiment CERN PS ; nTOF
Abstract The Am241(n,γ) cross section has been measured at the n_TOF facility at CERN with the n_TOF BaF2 Total Absorption Calorimeter in the energy range between 0.2 eV and 10 keV. Our results are analyzed as resolved resonances up to 700 eV, allowing a more detailed description of the cross section than in the current evaluations, which contain resolved resonances only up to 150–160 eV. The cross section in the unresolved resonance region is perfectly consistent with the predictions based on the average resonance parameters deduced from the resolved resonances, thus obtaining a consistent description of the cross section in the full neutron energy range under study. Below 20 eV, our results are in reasonable agreement with JEFF-3.2 as well as with the most recent direct measurements of the resonance integral, and differ up to 20–30% with other experimental data. Between 20 eV and 1 keV, the disagreement with other experimental data and evaluations gradually decreases, in general, with the neutron energy. Above 1 keV, we find compatible results with previously existing values.
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