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Lectures on Nuclear Astrophysics

27 January 2014 to 14 February 2014
LNGS
Europe/Rome timezone

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Contribution List

23 out of 23 displayed
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  1. 0. Seminar
    Alain Coc (CSNSM Orsay)
    27/01/2014, 09:00
  2. 2. Seminar
    Alain Coc (CSNSM Orsay)
    29/01/2014, 09:00
  3. 20. The cosmological 7Li problem from a nuclear physics perspective
    Francesco Lorenzo Villante (L'Aquila University)
    30/01/2014, 14:30
    The primordial abundance of 7Li as predicted by Big Bang Nucleosynthesis (BBN) is about a factor 3 larger than what has been observed in metal-poor halo stars. We analyze the possibility that this discrepancy originates from incorrect assumptions about the nuclear reaction cross sections relevant for BBN.
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  4. 4. Seminar
    Alain Coc (CSNSM Orsay)
    31/01/2014, 09:00
  5. 6. Seminar
    Pierre Descouvemont (Universite Libre de Bruxelles)
    03/02/2014, 09:00
  6. 8. Seminar
    Pierre Descouvemont (Universite Libre de Bruxelles)
    05/02/2014, 09:00
  7. 21. Measurement of the reactions 17O(a,n)20Ne and 17O(a,g)21Ne and their impact on the s process in massive stars
    Andreas Best (INFN - LNGS)
    06/02/2014, 14:30
    The ratio of the reaction rates of the competing channels 17O(a,g)21Ne and 17O(a ,n)20Ne determines the efficiency of 16O as a neutron poison in the s process in low metallicity rotating stars. It has a large impact on the element production, either producing elements to the mass range of A=90 in case of a significant poisoning effect or extending the mass range up to the region of A=150...
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  8. 22. 14N(p,gamma)15O data at high energy
    Louis Wagner (HZDR, TU Dresden)
    06/02/2014, 15:30
    The 14N(p,gamma)15O reaction determines the rate of the CNO cycle because it's the slowest nuclear reaction of the cycle. For a precise cross section extrapolation to low energies one needs accurate knowledge of the excitation function over a wide range of energy. Therefore the non-resonant cross section of 14N(p,gamma)15O was studied at beam energies of 0.5 - 1.5,MeV at the 3,MV Tandetron...
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  9. 10. Seminar
    Pierre Descouvemont (Universite Libre de Bruxelles)
    07/02/2014, 09:00
  10. 12. Seminar
    Ignazio Bombaci (Pisa University & INFN)
    10/02/2014, 09:00
  11. 13. Seminar
    Ignazio Bombaci (Pisa University & INFN)
    12/02/2014, 09:00
  12. 18. Exotic matter in neutron stars
    Giuseppe Pagliara (Ferrara University)
    13/02/2014, 14:30
    I will discuss recent measurements of neutron stars masses and radii and their implications for the equation of state of high density matter. I will focus in particular on the possible appearance of delta resonances, hyperons and strange quark matter and the dynamics of the formation process of such "exotic" degrees of freedom. Finally, I will present neutrino diffusion simulations of the...
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  13. 19. "Strange" Neutron Stars
    Hans Josef Schulze (Catania University)
    13/02/2014, 15:30
    The high-density nuclear equation of state within the Brueckner-Hartree-Fock many-body approach is discussed. Particular attention is paid to the effects of nucleonic three-body forces, the presence of hyperons, and the joining with an eventual quark matter phase. The resulting properties of neutron stars, in particular the mass-radius relation, are determined and compared with recent...
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  14. 15. Seminar
    Ignazio Bombaci (Pisa University & INFN)
    14/02/2014, 09:00
  15. 1. Discussion
  16. 3. Discussion
  17. 5. Discussion
  18. 7. Discussion
  19. 9. Discussion
  20. 11. Discussion
  21. 14. Discussion
  22. 16. Discussion
  23. 17. Discussion