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S-factor of 14N(p,γ)15O at astrophysical energies⋆

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Abstract.

The astrophysical S(E) factor of 14N(p,γ)15O has been measured for effective center-of-mass energies between E eff = 119 and 367 keV at the LUNA facility using TiN solid targets and Ge detectors. The data are in good agreement with previous and recent work at overlapping energies. R-matrix analysis reveals that due to the complex level structure of 15O the extrapolated S(0) value is model dependent and calls for additional experimental efforts to reduce the present uncertainty in S(0) to a level of a few percent as required by astrophysical calculations.

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Authors and Affiliations

  1. Dipartimento di Fisica and INFN, Università di Napoli “Federico II”, Napoli, Italy

    G. Imbriani, V. Roca & M. Romano

  2. Dipartimento di Fisica and INFN, Università di Genova, Genova, Italy

    H. Costantini, F. Confortola, P. Corvisiero & A. Lemut

  3. Laboratori Nazionali del Gran Sasso dell'INFN, Assergi, Italy

    A. Formicola, C. Gustavino & M. Junker

  4. Dipartimento di Fisica and INFN, Università di Padova, Legnaro, Italy

    A. Vomiero & P. Prati

  5. Centre de Recherches du Cyclotron, Université Catholique de Louvain, Louvain-la-Neuve, Belgium

    C. Angulo

  6. INFN, Padova, Italy

    D. Bemmerer, C. Broggini, R. Menegazzo & C. Rossi-Alvarez

  7. Dipartimento di Fisica and INFN, Università di Milano, Milano, Italy

    R. Bonetti & A. Guglielmetti

  8. Centro de Fısica Nuclear da Universidade de Lisboa, Lisboa, Portugal

    J. Cruz & A. P. Jesus

  9. Physique Nucléaire Théorique et Physique Mathématique, Université Libre de Bruxelles, CP 229, Brussels, Belgium

    P. Descouvemont

  10. Atomki, Debrecen, Hungary

    Z. Fülöp, Gy. Gyürky & E. Somorjai

  11. Dipartimento di Fisica Sperimentale and INFN, Università di Torino, Torino, Italy

    G. Gervino

  12. Institut für Physik mit Ionenstrahlen, Ruhr-Universität Bochum, Bochum, Germany

    J. N. Klug, C. Rolfs, F. Schümann, D. Schürmann, F. Strieder & H. P. Trautvetter

  13. Osservatorio Astronomico Collurania, Teramo, Italy

    O. Straniero

  14. INFN, Napoli, Italy

    O. Straniero & F. Terrasi

  15. Dipartimento di Scienze Ambientali, Seconda Università di Napoli, Caserta, Italy

    F. Terrasi

Authors
  1. G. Imbriani
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  2. H. Costantini
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  16. C. Gustavino
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  19. M. Junker
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  20. J. N. Klug
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  21. A. Lemut
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  22. R. Menegazzo
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  23. P. Prati
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  24. V. Roca
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  25. C. Rolfs
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  26. M. Romano
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  34. H. P. Trautvetter
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Corresponding author

Correspondence to G. Imbriani.

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S. Kubono

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Imbriani, G., Costantini, H., Formicola, A. et al. S-factor of 14N(p,γ)15O at astrophysical energies⋆ . Eur. Phys. J. A 25, 455–466 (2005). https://doi.org/10.1140/epja/i2005-10138-7

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  • DOI: https://doi.org/10.1140/epja/i2005-10138-7

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