Exploració per tema "Neutron cross sections"
Ara es mostren els items 1-16 de 16
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Astrophysical Implications of the139La(n,gamma) and151Sm(n,gamma) Cross Section Measured at n_TOF
(2006)
Text en actes de congrés
Accés obertThe nuclear resonance parameters and the capture cross section of the neutron magic isotope 139La and of the radioactive isotope 151Sm have been measured relative to 197Au in the energy range of 0.6 eV-1 MeV at neutron ... -
Capture cross section measurements of 186,187,188-Os at n TOF: the resolved resonance region
(EDP Sciences, 2007)
Text en actes de congrés
Accés obertThe neutron capture cross sections of 186,187,188Os have been measured at the CERN neutron time-of-flight facility, n TOF, in the neutron energy range from 1 eV up to 1MeV. In this contribution, we report the results of ... -
Measurement at n_TOF of the 237 Np(n,gamma) and 240 Pu(n,gamma) Cross Sections for the Transmutation of Nuclear Waste
(2006)
Text en actes de congrés
Accés obertThe final design, safety assessment and precise performance analysis of transmutation devices such as Accelerator Driven Systems (ADS) or Fast Critical Reactors, need accurate and reliable nuclear data. The cross sections ... -
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 90,91,92,93,94,96-Zr(n,gamma) and 139-La(n,gamma) cross sections at n TOF
(EDP Sciences, 2007)
Text en actes de congrés
Accés obertNeutron capture cross sections of Zr and La isotopes have important implications in the field of nuclear astrophysics as well as in the nuclear technology. In particular the Zr isotopes play a key role for the determination ... -
Measurement of the neutron capture cross section of 234-U in n TOF at CERN
(2006)
Text en actes de congrés
Accés obertAccurate and reliable neutron capture cross sections are needed in many research areas, including stellar nucleosynthesis, advanced nuclear fuel cycles, waste transmutation, and other applied programs. In particular, the ... -
Measurement of the neutron capture cross section of 236-U
(2006)
Text en actes de congrés
Accés obertIn this paper we describe the 236U(n,γ) reaction cross section measurement at the GELINA white pulsed neutron source of the Institute for Reference Materials and Measurements (IRMM) in Geel. The sample was placed in the ... -
Measurement of the240Pu(n,f) cross-section at the CERN n-TOF facility: First results from EAR-2
(2015)
Text en actes de congrés
Accés obertThe accurate knowledge of neutron cross-sections of a variety of plutonium isotopes and other minor actinides, such as neptunium, americium and curium, is crucial for feasibility and performance studies of advanced nuclear ... -
Measurements of the 90,91,92,94,96-Zr(n, gamma) cross-sections at n TOF
(Elsevier Science Publishers B.V. NORTH HOLLAND, 2004)
Article
Accés obertNeutron capture cross sections of the 90,91,92,94,96Zr have been measured over the energy range from 1 eV to 1 MeV at the spallation neutron facility n TOF at CERN in 2003. The innovative features of the neutron beam, in ... -
Measurements of the 90,91,92,94,96Zr neutron capture cross-section at n_TOF
(2006-06)
Article
Accés obertThe neutron capture cross sections of 90,91,92,94,96Zr, which play a key role for the determination of the neutron density in the He burning zone of the Red Giant stars, were measured over the energy range from 1 eV to ... -
Neutron capture cross section measurements for nuclear astrophysics at CERN n TOF
(Elsevier Science Publishers B.V. NORTH HOLLAND, 2004)
Article
Accés restringit per política de l'editorialA series of neutron capture cross section measurements of interest to nuclear astrophysics have been recently performed at n TOF, the neutron spallation source operating at CERN. The low repetition frequency of the proton ... -
Neutron cross section measurements at n-TOF for ADS related studies
(IOP Publishing. Institute of Physics, 2005)
Text en actes de congrés
Accés obertA neutron Time-of-Flight facility (n_TOF) is available at CERN since 2001. The innovative features of the neutron beam, in particular the high instantaneous flux, the wide energy range, the high resolution and the low ... -
Neutron cross-section measurements in the Th-U cycle by the activation method
(2003-06-01)
Article
Accés restringit per política de l'editorialThe 232Th(n,2n)231Th reaction cross-section was measured relative to the 56Fe(n,p)56Mn and 27Al(n,a)24Na reaction cross-sections with the activation method for neutron energies up to 11 MeV. Neutrons were produced by the ... -
Neutron physics of the Re/Os clock. I. Measurement of the (n,gamma ) cross sections of 186,187,188Os at the CERN n TOF facility
(2010-07-15)
Article
Accés obertThe precise determination of the neutron capture cross sections of 186Os and 187Os is important to define the s-process abundance of 187Os at the formation of the solar system. This quantity can be used to evaluate ... -
The 234U neutron capture cross section measurement at the n TOF facility
(EDP Sciences, 2007)
Text en actes de congrés
Accés obertThe neutron capture cross-section of 234U has been measured for energies from thermal up to the keV region in the neutron time-of-flight facility n TOF, based on a spallation source located at CERN. A 4π BaF2 array composed ... -
The neutron capture cross sections of 237Np(n,gamma) and 240Pu(n,gamma) and its relevance in the transmutation of nuclear waste
(EDP Sciences, 2007)
Text en actes de congrés
Accés obertNeutron capture cross sections of actinides are of great relevance for the Transmutation of Nuclear Waste in Accelerator Driven Systems (ADS) and Generation-IV reactors. The neutron capture cross sections of 237Np and 240Pu ...
