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Astrophysical S-factor of the 12N(p,γ)13O reaction in Relation to population III star evolution

  • A. Banu*
  • , T. Al.-Abdullah
  • , V. Burjan
  • , F. Carstoiu
  • , C. Fu
  • , C. A. Gagliardi
  • , M. McCleskey
  • , G. Tabacaru
  • , L. Trache
  • , R. E. Tribble
  • , Y. Zhai
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The reaction cross section for the direct radiative proton capture on the the drip line nucleus 12N - 12N(p,γ)13O - was studied at the Cyclotron Institute/Texas A&M University using the indirect asymptotic normalization coefficient method. This reaction is important in the hot pp chain nuclear burning processes in hydrogen-rich massive objects (Population III stars). The astrophysical S-factor of the direct proton capture was determined at zero energy yielding a value of SDC 1-12=0.31(5)keVb. Interference between direct and resonant capture leads to a further enhancement of a factor of two.

Original languageEnglish
Title of host publicationFirst Stars III
PublisherAmerican Institute of Physics Inc.
Pages347-349
Number of pages3
ISBN (Print)9780735405097
DOIs
StatePublished - 2008
Externally publishedYes

Publication series

NameAIP Conference Proceedings
Volume990
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Keywords

  • ANC
  • DWBA
  • Population III stars
  • Radiative proton capture

ASJC Scopus subject areas

  • General Physics and Astronomy

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