Measurement of fast and thermal neutron flux from the d + D reaction using the activation method

LPSC-acc ;

An Italian foreign policy of religious engagement: challenges and prospects

A new awareness of the role of religion in international relations has started to inform concrete policy discussions in several Western Ministries of Foreign Affairs under the heading of ‘religious engagement’ in foreign policy. Italy is no exception, but as the country which hosts the Holy See, it represents a special case. As the approach to religion found in the historical record of Italian foreign policy shows, Italy has a comparative advantage and could well develop a unique model of religious engagement by strengthening the central structures involved in religious matters and foreign policy, as well as by using the vast network of Rome-based religious non-state actors as a forum of consultation and policy advice

Spallation reactions. A successful interplay between modeling and applications

The spallation reactions are a type of nuclear reaction which occur in space by interaction of the cosmic rays with interstellar bodies. The first spallation reactions induced with an accelerator took place in 1947 at the Berkeley cyclotron (University of California) with 200 MeV deuterons and 400 MeV alpha beams. They highlighted the multiple emission of neutrons and charged particles and the production of a large number of residual nuclei far different from the target nuclei. The same year R. Serber describes the reaction in two steps: a first and fast one with high-energy particle emission leading to an excited remnant nucleus, and a second one, much slower, the de-excitation of the remnant. In 2010 IAEA organized a worskhop to present the results of the most widely used spallation codes within a benchmark of spallation models. If one of the goals was to understand the deficiencies, if any, in each code, one remarkable outcome points out the overall high-quality level of some models and so the great improvements achieved since Serber. Particle transport codes can then rely on such spallation models to treat the reactions between a light particle and an atomic nucleus with energies spanning from few tens of MeV up to some GeV. An overview of the spallation reactions modeling is presented in order to point out the incomparable contribution of models based on basic physics to numerous applications where such reactions occur. Validations or benchmarks, which are necessary steps in the improvement process, are also addressed, as well as the potential future domains of development. Spallation reactions modeling is a representative case of continuous studies aiming at understanding a reaction mechanism and which end up in a powerful tool.Comment: 59 pages, 54 figures, Revie

The GUINEVERE Project for Accelerator Driven System Physics

paper 9414International audienceThe GUINEVERE project is part of the EUROTRANS Integrated Project of the 6th EURATOM Framework Programme. It is mainly devoted to ADS on-line reactivity monitoring validation, sub-criticality determination and operational procedures (loading, start-up, shut-down, ...) as a follow-up of the MUSE experiments. The project consists in coupling a fast lead core, set-up in the VENUS reactor at SCK*CEN Mol (B), with a GENEPI neutron source under construction by CNRS. To accommodate the accelerator in a vertical coupling configuration, the VENUS building is being heightened. The fast core will be loaded with enriched Uranium and will be moderated and reflected with solid lead (zero power experiment). For the purpose of the experimental programme, the neutron source has to be operated not only in pulsed mode but also in continuous mode to investigate the current-to-flux reactivity indicator in representative conditions of a powerful ADS. In this latter mode it is also required to make short beam interruptions to have access to the neutron population decrease as a function of time: from this spectrum it will be possible to apply different analysis techniques such as "prompt decay" fitting techniques and "source jerk" techniques. Beam interruptions will be repeated at a programmable frequency to improve time spectra statistics. Different sub-criticality levels (keff=0.99, 0.97, 0.95, ...) will be investigated in order to obtain a full set of data points for the final overall validation of the methodology. This paper describes the status of the experimental facility assembling, and the foreseen experimental programme to be started

International migration and the rise of the ‘civil’ nation

This is an Accepted Manuscript of an article published in Journal of Ethnic and Migration Studies on 2 March 2016, available online: http://www.tandfonline.com/10.1080/1369183X.2016.1155980Scholars largely agree that immigration policies in Western Europe have switched to a liberal, civic model. Labelled as ‘civic turn’, ‘civic integration’ or ‘liberal convergence’, this model is not identically applied across countries, since national institutions, traditions and identifications still matter. Even so, the main focus is on processes which allow or prevent migrants to be incorporated into nations usually taken for granted in their meanings. Moving from policies to discourses, this article aims to interrogate what kind of nation is behind these policies as a way to further scrutinise the ‘civic turn’. Exploring how the term ‘civility’ and its adjectivisations are discursively deployed in Italian parliamentary debates on immigration and integration issues, the article points to two opposite narratives of nation. While one mobilises civility in order to rewrite the nation in terms of a common, inclusive, civic ‘we’, the other uses civility to reaffirm the conflation between national identity and the identity of the ethno-cultural majority. These findings suggest the importance of exploring the ‘civic turn’ not only across countries, but also across political parties within the same country to capture the ways in which a liberal, civic convergence in political discourses might hide divergent national boundary mechanisms

Acidocétose au diagnostic du diabète de type 1 chez l enfant et l adolescent en Franche Comté (analyse de la situation et mise en œuvre d actions de prévention)

BESANCON-BU Médecine pharmacie (250562102) / SudocSudocFranceF

7Li neutron-induced elastic scattering cross section measurement using a slowing-down spectrometer

A new integral measurement of the 7Li neutron induced elastic scattering cross section was determined in a wide neutron energy range. The measurement was performed on the LPSC-PEREN experimental facility using a heterogeneous graphite-LiF slowing-down time spectrometer coupled with an intense pulsed neutron generator (GENEPI-2). This method allows the measurement of the integral elastic scattering cross section in a slowing-down neutron spectrum. A Bayesian approach coupled to Monte Carlo calculations was applied to extract naturalC, 19F and 7Li elastic scattering cross sections

Li neutron-induced elastic scattering cross section measurement using a slowing-down spectrometer

A new integral measurement of the 7Li neutron induced elastic scattering cross section was determined in a wide neutron energy range. The measurement was performed on the LPSC-PEREN experimental facility using a heterogeneous graphite-LiF slowing-down time spectrometer coupled with an intense pulsed neutron generator (GENEPI-2). This method allows the measurement of the integral elastic scattering cross section in a slowing-down neutron spectrum. A Bayesian approach coupled to Monte Carlo calculations was applied to extract naturalC, 19F and 7Li elastic scattering cross sections

Fortuitous detection of uniparental isodisomy of chromosome 6.

Uniparental isodisomy is defined as the inheritance of two copies of the same parental chromosome and can result in defects when it produces homozygosity for a recessive mutation or in the presence of imprinting. We describe the detection of a chromosome 6 uniparental isodisomy in a 9 year old girl, discovered during a search for an HLA identical sib. HLA typing, erythrocyte phenotyping, and genotypes of microsatellite polymorphisms were compatible with a paternal isodisomy of chromosome 6, with normal biparental origin of the other chromosomes. Paternal cells were not responsive to the patient's cells in mixed lymphocyte cultures. This fortuitous detection of a chromosome 6 isodisomy suggests that cases of chromosome 6 UPD may not be deleterious and may therefore go undetected