Exploració per autor "Calviño Tavares, Francisco"
Ara es mostren els items 100-119 de 266
-
Measurement of the 238 U ( n , gamma ) cross section up to 80 keV with the Total Absorption Calorimeter at the CERN n_TOF facility
(AMER PHYSICAL SOC, 2017-12-01)
Article
Accés obertThe radiative capture cross section of a highly pure (99.999%), 6.125(2) grams and 9.56(5) 10-4 atoms/barn areal density 238-U sample has been measured with the Total Absorption Calorimeter (TAC) in the 185 m flight path ... -
Measurement of the 151Sm(n,g)152Sm cross section at n_TOF
(2005-07)
Article
Accés restringit per política de l'editorialThe 151Sm(n,γ)152Sm cross section, which is important for the interpretation of the 151Sm branching as an s-process thermometer, was measured from 1 eV up to 1 MeV at the innovative n_TOF facility at CERN. Based on these ... -
Measurement of the 154Gd(n,gamma) cross section and its astrophysical implications
(Elsevier, 2020-05-10)
Article
Accés obertThe neutron capture cross section of 154Gd was measured from 1 eV to 300 keV in the experimental area located 185 m from the CERN n_TOF neutron spallation source, using a metallic sample of gadolinium, enriched to 67% in ... -
Measurement of the 197-Au(n,gamma ) cross section at n_TOF, - a step forward towards a new standard for capture cross section measurements
(2008)
Text en actes de congrés
Accés obertThe accurate knowledge of the 197Au(n,g ) reaction cross section is of great importance, since this reaction if often used as a reference in capture cross section measurements relevant to Nuclear Astrophysics, as well ... -
Measurement of the 197-Au(n,gamma) cross section at n TOF: towards a new standard
(EDP Sciences, 2007)
Text en actes de congrés
Accés obertTwo different detectors and techniques are employed at n TOF facility, at CERN, to improve the accuracy of the neutron capture cross section of 197Au(n,γ): a total absorption calorimeter and a set of C6D6. The accurate knowledge ... -
Measurement of the 235U(n, f) cross section relative to the 6Li(n, t) and 10B(n, a) standards from thermal to 170 keV neutron energy range at n_TOF
(2019-07-26)
Article
Accés obertThe 235U(n, f ) cross section was measured at n_TOF relative to 6Li(n, t) and 10B(n,a) , with high resolution ( L=183.49(2) m) and in a wide energy range (25meV-170keV) with 1.5% systematic uncertainty, making use of a ... -
Measurement of the 235U(n,f) cross section relative to the 6Li(n,t) and 10B(n,a) standards from thermal to 170 keV neutron energy range at n_TOF
(2019-02-27)
Report de recerca
Accés obertThe 235U(n,f) cross section was measured in a wide energy range at n_TOF relative to 6Li(n,t) and 10B(n,alpha), with high resolution and in a wide energy range, with a setup based on a stack of six samples and six silicon ... -
Measurement of the 236U(n, f ) cross section from 170 meV to 2 MeV at the CERN n TOF facility
(2011-10-31)
Article
Accés restringit per política de l'editorialThe neutron-induced fission cross section of 236U was measured at the neutron Time-of-Flight (n TOF) facility at CERN relative to the standard 235U(n,f ) cross section for neutron energies ranging from above thermal ... -
Measurement of the 238U radiative capture cross section with C6D6 at the CERN n TOF facility
(2014-05-01)
Article
Accés restringit per política de l'editorialWe present the preliminary results of the U-238(n,gamma) reaction cross section measurement, performed on April 2012 at the CERN n TOF facility using C6D6 scintillation detectors over an energy range from thermal to 1 MeV. ... -
Measurement of the 24,25,26Mg(n, gamma) reaction cross-section at n-TOF
(PoS - Proceedings of Science, 2010)
Text en actes de congrés
Accés obertWe have measured the neutron-induced capture cross-section of the importants-process isotopesof magnesium. The measurement has been performed at the neutron time-of-flight facility n_TOFat CERN. From a preliminary analysis ... -
Measurement of the 240,242Pu(n,f) cross section at the CERN n_TOF facility
(2014)
Text en actes de congrés
Accés obertKnowledge of neutron cross sections of various plutonium isotopes and other minor actinides is crucial for the design of advanced nuclear systems. The 240, 242Pu(n,f) cross sections were measured at the CERN n_TOF facility, ... -
Measurement of the 240Pu(n,f) cross-section at the CERN n TOF facility: First results from experimental area II (EAR-2)
(EDP Sciences, 2016)
Comunicació de congrés
Accés obertThe accurate knowledge of the neutron-induced fission cross-sections of actinides and other isotopes involved in the nuclear fuel cycle is essential for the design of advanced nuclear systems, such as Generation-IV nuclear ... -
Measurement of the 241Am and the 243Am neutron capture cross sections at the n TOF facility at CERN
(2014-05-01)
Article
Accés restringit per política de l'editorialThe capture cross sections of 241Am and 243Am were measured at the n TOF facility at CERN in the epithermal energy range with a BaF2 Total Absorption Calorimeter. A preliminary analysis of the 241Am and a complete analysis ... -
Measurement of the 241Am neutron capture cross section at the n TOF facility at CERN
(EDP Sciences, 2016)
Text en actes de congrés
Accés obertNew neutron cross section measurements of minor actinides have been performed recently in order to reduce the uncertainties in the evaluated data, which is important for the design of advanced nuclear reactors and, in ... -
Measurement of the 242Pu(n,f) cross section at the CERN n TOF facility
(2014-05-01)
Article
Accés restringit per política de l'editorialThe accurate knowledge of relevant nuclear data is crucial for the design of advanced nuclear systems. These data include neutron cross sections of various plutonium isotopes and other minor actinides. The 242Pu(n,f) cross ... -
Measurement of the 244Cm and 246Cm neutron-induced capture cross sections at the n_TOF facility
(EPJ Web of Conferences, 2019)
Text en actes de congrés
Accés obertThe neutron capture reactions of the 244Cm and 246Cm isotopes open the path for the formation of heavier Cm isotopes and heavier elements such asThe neutron capture reactions of the 244Cm and 246Cm isotopes open the path ... -
Measurement of the 54,57Fe(n,gamma) cross section in the resolved resonance region at CERN n TOF
(2014-05-01)
Article
Accés restringit per política de l'editorial54Fe and 57 Fe are stable iron isotopes, which play an important role in the nucleosynthesis of the slow neutron capture process (s process). In addition, these nuclei are present in many structural materials, and therefore, ... -
Measurement of the 70Ge(n,¿) cross section up to 300 keV at the CERN n_TOF facility
(American Physical Society (APS), 2019-10-17)
Article
Accés obertNeutron capture data on intermediate mass nuclei are of key importance to nucleosynthesis in the weakcomponent of the slow neutron capture processes, which occurs in massive stars. The (n,¿) cross section on70Ge, which is ... -
Measurement of the 72Ge(n,¿) cross section over a wide neutron energy range at the CERN n_TOF facility
(American Physical Society, 2021-04-01)
Article
Accés obertThe 72 Ge ( n , ¿ ) cross section was measured for neutron energies up to 300 keV at the neutron time-of-flight facility n _ TOF (CERN), Geneva, for the first time covering energies relevant to heavy-element synthesis in ... -
Measurement of the 77Se(n,¿) cross section up to 200 keV at the n_TOF facility at CERN
(American Physical Society, 2023-06-12)
Article
Accés obertThe 77Se(n,¿) reaction is of importance for 77Se abundance during the slow neutron capture process in massive stars. We have performed a new measurement of the 77Se radiative neutron capture cross section at the Neutron ...
