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NRC-8, EuCheMS International Conference on Nuclear and Radiochemistry

16–21 Sept 2012
Como, Italy
Europe/Rome timezone

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Session

Session 4 - Reaction mechanisms and nuclear recoils, nuclear base spectroscopies, radiation geochronology, isotope effects

18 Sept 2012, 11:50
Como, Italy

Como, Italy

Grand Hotel di Como Via per Cernobbio 41A 22100 Como, Italy

Conveners

Session 4 - Reaction mechanisms and nuclear recoils, nuclear base spectroscopies, radiation geochronology, isotope effects

  • Dorothea Schumann (PSI, Switzerland)
  • Zsolt Revay (Technical University Munich, Geramany)

Presentation materials

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  1. 196. OPENING LECTURE - Iron speciation in aqueous systems: the power of Mössbauer spectroscopy applied in frozen solutions
    Prof. Zoltan Homonnay (Eotvos Lorand University, Hungary)
    18/09/2012, 11:50
    Reaction mechanisms and nuclear recoils, nuclear based spectroscopies (MOSSPEC and PAS), radiation geochronology, isotope effects
    Invited Lecture
    Mössbauer Spectroscopy is technique basically used for the analysis of solid systems due to the neccessity of recoilless gamma emission and absorption. 57Fe offers very convenient conditions for Mössbauer measurements, and this is why iron containing systems ranging from alloys to minerals have been studied and reported in thousands of scientific papers, and Mössbauer Spectroscopy became a...
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  2. 253. INVITED LECTURE - Half lives of nuclides for geological use: 2012 evaluations for <sup>87</sup>Rb, <sup>235</sup>U and <sup>234</sup>U
    Prof. Igor M Villa (Universität Bern, Switzerland; Università Milano Bicocca, Italy)
    18/09/2012, 12:10
    Radioanalytical Chemistry and Nuclear Analytical Techniques
    Invited Lecture
    The IUPAC-IUGS joint Task Group “Isotopes in Gesciences”, TGIG, has evaluated the published measurement results for the decay constant (i.e. half life) of 87Rb and updated those of 235U and 234U relative to that of 238U. A significant part of our evaluation was the effort to follow strict metrological criteria (VIM, 2012) in our assessment of the measurement uncertainties according to GUM...
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  3. 222. INVITED LECTURE - Rapid Radiochemical Analysis of Radionuclides Difficult to Measure in Environmental and Waste Samples
    Dr Xiaolin Hou (Center for Nuclear Technologies, Technical University of Denmark, Denmark)
    18/09/2012, 12:30
    Reaction mechanisms and nuclear recoils, nuclear based spectroscopies (MOSSPEC and PAS), radiation geochronology, isotope effects
    Invited Lecture
    With the increasing requirement on rapid reaction system fot nuclear emergency preparedness, increasing numbers of nuclear facilities being decommissioned, as well as radioecological investigation, a large number of environmental, biological and waste samples need to be rapid analyzed for various radionuclides. Except gamma emitting radionuclides, other radionculides have to be first separated...
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  4. 72. INVITED LECTURE - TRIGA-SPEC: an apparatus for high-precision mass spectrometry and laser spectroscopy on short-lived neutron-rich radionuclides produced at the research reactor TRIGA Mainz
    Mr Christian Smorra (Max-Planck-Institut für Kernphysik Heidelberg, Ruprecht Karls-Universität Heidelberg, Johannes Gutenberg-Universität Mainz, Germany)
    18/09/2012, 12:50
    Reaction mechanisms and nuclear recoils, nuclear based spectroscopies (MOSSPEC and PAS), radiation geochronology, isotope effects
    Invited Lecture
    High-precision measurements of ground-state properties of exotic nuclides such as nuclear binding energies, spins, radii, and moments, can be used to test nuclear models far away from the valley of stability. TRIGA-SPEC, located at the research reactor TRIGA Mainz, aims to investigate the ground-state properties of short-lived fission products produced by thermal-neutron-induced fission of...
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  5. 201. ORAL PRESENTATION - Local Fields at Nonmagnetic Probe Sites in a Perovskite La0.7Ca0.3MnO3
    Dr Wataru Sato (Institute of Science and Engineering, Kanazawa University, Japan)
    18/09/2012, 13:10
    Reaction mechanisms and nuclear recoils, nuclear based spectroscopies (MOSSPEC and PAS), radiation geochronology, isotope effects
    Oral Communications
    Perovskite manganese oxides (AMnO3) are known to exhibit the effect of colossal magnetoresistance (CMR), a phenomenon that electrical resistivity undergoes a drastic change as large as five to six orders of magnitude by an applied magnetic field. Because of this unique physical property, much attention has been given to these oxides aiming at wide industrial applications. In order to realize...
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