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| Article | |
| Title | Analysis of the FIC detector data at the n_TOF facility |
| Author(s) | Karadimos, D (Univ Ioannina, GR-45110 Ioannina, Greece. ; Democritus Univ Thrace, Komotini 69100, Greece.) ; Stamoulis, K (Univ Ioannina, GR-45110 Ioannina, Greece.) ; Papachristodoulou, C (Univ Ioannina, GR-45110 Ioannina, Greece.) ; Vlachoudis, V (CERN) ; Assimakopoulos, P (Univ Ioannina, GR-45110 Ioannina, Greece.) ; Ioannides, K (Univ Ioannina, GR-45110 Ioannina, Greece.) ; Vlastou, R (Natl Tech Univ Athens, GR-15780 Athens, Greece.) ; Karamanis, D (Univ Ioannina, GR-45110 Ioannina, Greece.) ; Tsagas, N (Democritus Univ Thrace, Komotini 69100, Greece.) ; Cennini, P (CERN) ; Konovalov, V (Joint Inst Nucl Res, Dubna 141980, Russia.) ; Ketlerov, V (Fed State Unitary Enterprise SSC RF IPPE, Inst Phys & Power Engn, Obninsk 249033, Russia.) |
| Publication | 2010 |
| In: | Nucl. Instrum. Methods Phys. Res., B 268 (2010) 2556-2562 |
| DOI | 10.1016/j.nimb.2010.05.006 |
| Subject category | Nuclear Physics - Experiment ; Detectors and Experimental Techniques |
| Accelerator/Facility, Experiment | CERN PS ; nTOF |
| Abstract | Fission cross-section measurements with the Fast Ionization Chamber (FIC) at the CERN n_TOF facility were challenged by intense signals due to gamma-rays and ultra-relativistic particles from the impact of the 20 GeV proton pulses on the neutron spallation target. A method for analyzing the data taken with Flash Analog to Digital Converters (FADC) was developed to treat these problems in an automated way to provide a reliable background subtraction and a fit routine for identifying fission events even at high energies. The analysis is illustrated at the example of the fission cross-section of U-238 relative to that of U-235 in the energy range from 40 key to 300 MeV. (C) 2010 Elsevier B.V. All rights reserved. |