Elsevier

Nuclear Physics A

Volume 467, Issue 2, 1 June 1987, Pages 240-260
Nuclear Physics A

Stellar reaction rate of 14N(p, γ)15O and hydrogen burning in massive stars

https://doi.org/10.1016/0375-9474(87)90528-8Get rights and content

Abstract

The capture reaction 14N(p, γ)15O has been investigated in the energy range Ep = 0.2 to 3.6 MeV with the use of windowless gas targets as well as implanted 14N solid targets of high isotopic purity. The measurement of absolute cross sections, γ-ray angular distributions and excitation functions is reported. The data provide information on the capture amplitudes involved in the transitions to all bound states of 15O. The astrophysical S-factor at stellar energies has been determined by means of theoretical fits. The result of S(0) = 3.20 keV · b is in good agreement with the value incorporated in the compilations. Also discussed are the nuclear physics aspects of the data.

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  • Supported in part by the Deutsche Forschungsgemeinschaft (Ro 429/13-3 and Ro 429/15-1), the Friedrich Flick Förderungsstiftung and the Natural Sciences and Engineering Research Council of Canada.

    1

    Permanent address: CNRS, Batiment 104, 91406 ORSAY, France.

    2

    Present address: Department of Physics, University of Notre Dame, Notre Dame, Indiana, USA.

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