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Nuclear Physics in Astrophysics VIII

18–23 Jun 2017
Laboratori Nazionali del Sud
Europe/Rome timezone

Session

Direct measurements 1

19 Jun 2017, 16:30
Sala conferenze (Laboratori Nazionali del Sud)

Sala conferenze

Laboratori Nazionali del Sud

Via S. Sofia 62 I-95123 Catania Italy

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  1. 127. EXPERIMENTAL CHALLENGES IN UNDERGROUND NUCLEAR ASTROPHYSICS LABORATORY: PRESENT STATUS AND FUTURE OPPORTUNITIES
    Dr Alba Formicola (LNGS)
    19/06/2017, 16:30
    Invited talk
    Accurate knowledge of thermonuclear reaction rates is important in understanding energy generation, neutrino luminosity and nucleosynthesis in stellar interiors. Natural and Cosmic-ray-induced background can seriously limit the determination of reaction cross-sections at relevant energies for astrophysics. In order to improve the signal-to-noise ratio special care in experimental setups...
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  2. 6. Catalysis of Nuclear Reactions by Electrons
    Dr Matej Lipoglavsek (Jozef Stefan Institute, Ljubljana, Slovenia)
    19/06/2017, 17:00
    Stellar evolution and nucleosynthesis
    Invited talk
    Electron screening enhances nuclear reaction cross sections at low beam energies. This happens in many astrophysical scenarios, e.g. stellar burning or supernova explosions. Unfortunately, the process is still poorly understood. All currently used calculations are based on the very simple assumption that the electrons distributed evenly on a shell decrease the repulsive potential inside the...
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  3. 56. Direct study of the $^{22}$Ne({\it p,$\gamma$})$^{23}$Na reaction in inverse kinematics at DRAGON
    Dr Annika Lennarz (TRIUMF)
    19/06/2017, 17:30
    Stellar evolution and nucleosynthesis
    Oral
    % % Nuclear Physics in Astrophysics 8 template for abstract % % Format: LaTeX2e. % % Rename this file to name.tex, where `name' is the family name % of the first author, and edit it to produce your abstract. % \documentstyle[11pt]{article} % % PAGE LAYOUT: % \textheight=9.9in \textwidth=6.3in \voffset -0.85in \hoffset ...
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  4. 50. First results of total and partial cross-section measurements of the 107Ag(p, $\gamma$)108Cd reaction
    Mr Felix Heim (Institute for Nuclear Physics, University of Cologne)
    19/06/2017, 17:50
    Explosive scenarios in astrophysics: observations, theory, and experiments
    Oral
    The $\gamma$ process is assumed to play an important role in the nucleosynthesis of the majority of the p nuclei. Since the network of the $\gamma$ process includes so many different reactions and - mainly unstable - nuclei, cross-section values are predominantly calculated in the scope of the Hauser- Feshbach statistical model. The values heavily depend on the nuclear physics...
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  5. 19. Direct cross section measurement for the O-18(p,gamma)F-19 reaction at LUNA
    Francesca Romana Pantaleo (Universita' degli Studi di Bari, Dipartimento Interateneo di Fisica ''M. Merlin'', Bari, IT, INFN Bari,Bari, IT)
    19/06/2017, 18:10
    Oral
    % % Nuclear Physics in Astrophysics 8 template for abstract % % Format: LaTeX2e. % % Rename this file to name.tex, where `name' is the family name % of the first author, and edit it to produce your abstract. % \documentstyle[11pt]{article} % % PAGE LAYOUT: % \textheight=9.9in \textwidth=6.3in \voffset -0.85in \hoffset ...
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  6. 115. Absolute measurement of the 7Be(p,g)8B cross section with the recoil separator ERNA
    Raffaele Buompane (NA)
    19/06/2017, 18:30
    Oral
    7Be(p,g)8B still represents one of the major uncertainties on the predicted high energy component of solar neutrino flux and it has also a direct impact on the 7Li abundance after the Big Bang Nucleosynthesis. Previous experiments producing data with useful precision were performed in direct kinematics, using an intense proton beam on a radioactive 7Be target. The complicated target...
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  7. 32. Production and characterization of 7Be targets for neutron cross section measurements
    Dr Emilio Andrea Maugeri (Paul Scherrer Institut)
    19/06/2017, 18:50
    Oral
    Nuclear Physics in Astrophysics 8 template for abstract % % Format: LaTeX2e. % % Rename this file to name.tex, where `name' is the family name % of the first author, and edit it to produce your abstract. % \begin{document} \documentstyle[11pt]{article} % % PAGE LAYOUT: % \textheight=9.9in \textwidth=6.3in \voffset -0.85in \hoffset ...
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