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CERN Document Server Намерени са 2,042 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.55 секунди. 
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Neutron-induced fission cross section of U234 measured at the CERN n_TOF facility / Karadimos, D ; Vlastou, R ; Ioannidis, K ; Demetriou, P ; Diakaki, M ; Vlachoudis, V (CERN) ; Pavlopoulos, P ; Konovalov, V ; Abbondanno, U ; Aerts, G et al.
The neutron-induced fission cross section of U234 has been measured at the CERN n_TOF facility relative to the standard fission cross section of U235 from 20 keV to 1.4 MeV and of U238 from 1.4 to 200 MeV. A fast ionization chamber (FIC) was used as a fission fragment detector with a detection efficiency of no less than 97%. [...]
2014 - 11 p. - Published in : Phys. Rev. C 89 (2014) 044606
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Measurement of the U-234(n,f) cross section with PPAC detectors at the n_TOF facility / Paradela, Carlos
Measurement of the U-234 neutron-induced fission cross section at CERN n_TOF facility using a detection setup based on PPAC detectors..
CERN-THESIS-2005-079 - Santiago de Compostela : Santiago de Compostela U., 2005. - 144 p.

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Neutron-induced fission cross section of Np237 in the keV to MeV range at the CERN n_TOF facility / Diakaki, M ; Karadimos, D ; Vlastou, R ; Kokkoris, M ; Demetriou, P ; Skordis, E ; Tsinganis, A ; Abbondanno, U ; Aerts, G ; Álvarez, H et al.
The neutron-induced fission cross section of Np237 was experimentally determined at the high-resolution and high-intensity facility n_TOF, at CERN, in the energy range 100 keV to 9 MeV, using the U235(n,f) and U238(n,f) cross section standards below and above 2 MeV, respectively. A fast ionization chamber was used in order to detect the fission fragments from the reactions and the targets were characterized as far as their mass and homogeneity are concerned by means of α spectroscopy and Rutherford backscattering spectroscopy respectively. [...]
2016 - 12 p. - Published in : Phys. Rev. C 93 (2016) 034614 Fulltext: PDF;
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Mesures de sections efficaces de fission induite par neutrons des actinides du cycle du thorium à n_TOF / Ferrant, Laure
IPNO-T-2005-05. - Orsay : Paris 11. Inst. Phys. Nucl., 2005. - 204 p.

Full text - CERN library copies
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5.
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Fission measurements with PPAC detectors using a coincidence technique / Paradela, C (Santiago de Compostela U.) ; Duran, I (Santiago de Compostela U.) ; Tarrio, D (Santiago de Compostela U.) ; Audouin, L (Orsay, IPN) ; Tassan-Got, L (Orsay, IPN) ; Stephan, C (Orsay, IPN) /n_TOF
A fission detection setup based on Parallel Plate Avalanche Counters (PPAC) has been constructed and used at the CERN n_TOF facility. The setup takes advantage of the coincidence detection of both fission fragments to discriminate the background reactions produced by high energy neutrons and it allows obtaining neutron-induced fission cross section up to 1 GeV..
2011 - 5 p. - Published in : 10.1109/ANIMMA.2011.6172860
In : 2nd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications, Ghent, Belgium, 6 - 9 Jun 2011, pp.6172860
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Analysis of the FIC detector data at the n_TOF facility / 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) et al.
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. [...]
2010 - Published in : Nucl. Instrum. Methods Phys. Res., B 268 (2010) 2556-2562
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Measurement of the (236)U(n, f) Cross Section at n_TOF / Sarmento, R (ITN, Sacavem) ; Goncalves, I F (ITN, Sacavem) ; Vaz, P (ITN, Sacavem) ; Colonna, N (INFN, Bari) ; Calviani, M (CERN)
A precise knowledge of the (236)U neutron-induced fission cross-section is required for the development of accelerator-driven systems and reactors based on the Th-U cycle. The evaluated data presently stored in the nuclear data libraries rely on outdated experimental measurements and show large discrepancies in the energy region between 1 keV and 100 keV. [...]
2011 - Published in : J. Korean Phys. Soc. 59 (2011) 1793-1796
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Actinide neutron-induced fission up to 20 MeV / Maslov, V M
2000
In : Workshop on Nuclear Reaction Data and Nuclear Reactors: Physics, Design and Safety, pt. 1, Trieste, Italy, 13 Mar - 14 Apr 2000, pp.231-268
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Measurement of the $^{242}$Pu(n,f) reaction cross-section at the CERN n_TOF facility / Tsinganis, Andrea
The accurate knowledge of relevant nuclear data, such as the neutron-induced fission cross sections of various plutonium isotopes and other minor actinides, is crucial for the design of advanced nuclear systems as well as the development of comprehensive theoretical models of the fission process [...]
CERN-THESIS-2014-385 -

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Neutron-induced fission cross sections of 233U and 243Am in the energy range 0.5 Mev En 20 MeV @ n_TOF / n_TOF Collaboration
Neutron-induced fission cross-sections of actinides have been recently measured at the neutron time of flight facility n_TOF at CERN in the frame of a research project involving isotopes relevant for nuclear astrophysics and nuclear technologies. Fission fragments are detected by a gas counter with good discrimination between nuclear fission products and background events. [...]
2011 - Published in : Eur. Phys. J. A 47 (2011) 2 Fulltext: PDF;
In : 12th International Conference on Nuclear Reaction Mechanisms, Villa Monastero, Varenna, Italy, 15 - 19 Jun 2009, pp.231-238
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