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Now showing items 11-20 of 29
176Lu/176Hf : A sensitive test of s-process temperature and neutron density in AGB stars
(2008-01-20)
The s-process branching at A (176) has been analyzed on the basis of significantly improved experimental cross sections. This work reports on activation measurements of the partial (n, gamma) cross section of Lu-176 feeding ...
Neutron resonance spectroscopy at n_TOF at CERN
(EDP Sciences, 2008)
Neutron resonance spectroscopy plays an important role in the investigation of neutron induced reaction cross sections and nuclear structure in the MeV excitation range. Neutron time-of-flight facilities are the most used ...
p-Process simulations with a modified reaction library
(2008-01)
We have performed p-process simulations with the most recent stellar (n, gamma) cross sections from the Karlsruhe Astrophysical Database of Nucleosynthesis in Stars project (version v0.2, http://nuclear-astrophysics.fzk. ...
Simultaneous measurement of the neutron capture and fission yields of (233)U
(EDP Sciences, 2008)
We have measured the neutron capture and fission cross section of 233 U at the neutron time-of-flight facility n_TOF at CERN in the energy range from 1 eV to 1 MeV with high accuracy by using a high performance 4 pi BaF(2) ...
Improved lead and bismuth (n,gamma) cross sections and their astrophysical impact
(EDP Sciences, 2008)
A series of (n,gamma) neutron capture measurements on the lead isotopes and bismuth have been carried Out at the CERN n_TOF installation in the neutron energy range from 1 eV up to 1 MeV. At n_TOF, contaminations due to ...
Recent results at n_TOF and future perspectives
(American Institute of Physics (AIP), 2008)
The neutron Time-of-Flight facility at CERN has been used for a series of neutron capture and fission cross sections measurements. The facility, detectors and data analysis techniques are described, followed by a brief ...
New stellar (n,gamma) cross sections and the "Karlsruhe Astrophysical Database of Nucleosynthesis in Stars"
(EDP Sciences, 2008)
Since April 2005 a regularly updated stellar neutron cross section compilation is available online at http://nuclear-astrophysics.fzk.de/kadonis. This online-database is called the "Karlsruhe Astrophysical Database of ...
Recent experiments at ORELA and LANSCE, and their impact on compound nuclear models
(American Institute of Physics (AIP), 2008)
We present results from two recent sets of experiments to demonstrate the continuing impact of neutron time-of-flight data on the underlying assumptions and parameters of compound nuclear models.
Experimental astrophysical reaction rates of threshold (p,n)-reactions on Pd isotopes
(American Institute of Physics (AIP), 2008)
Astrophysical S-factors for (p,n) reactions on stable Pd isotopes derived from experimental cross sections were compared to statistical model predictions with the NON-SMOKER code. Satisfactory agreement was found. Reaction ...
The neutron capture cross sections of (237)Np(n,gamma) and (240)Pu(n,gamma) and its relevance in the transmutation of nuclear waste
(EDP Sciences, 2008)
Neutron 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 (237)Np and ...