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Fusion measurements of 12C+12C at energies of astrophysical interest

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Author(s)

  • D. Santiago-Gonzalez
  • C. L. Jiang
  • K. E. Rehm
  • M. Alcorta
  • S. Almaraz-Calderon
  • M. L. Avila
  • A. D. Ayangeakaa
  • B. B. Back
  • D. Bourgin
  • B. Bucher
  • M. P. Carpenter
  • S. Courtin
  • H. M. David
  • C. M. Deibel
  • C. Dickerson
  • B. Digiovine
  • X. Fang
  • J. P. Greene
  • F. Haas
  • D. J. Henderson
  • R. V F Janssens
  • J. Lai
  • T. Lauritsen
  • A. Lefebvre-Schuhl
  • D. Montanari
  • R. C. Pardo
  • M. Paul
  • D. Seweryniak
  • X. D. Tang
  • C. Ugalde
  • S. Zhu

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Publication details

JournalEPJ Web of Conferences
DatePublished - 11 May 2016
Volume117
Number of pages6
Original languageEnglish

Abstract

The cross section of the 12C+12C fusion reaction at low energies is of paramount importance for models of stellar nucleosynthesis in different astrophysical scenarios, such as Type Ia supernovae and Xray superbursts, where this reaction is a primary route for the production of heavier elements. In a series of experiments performed at Argonne National Laboratory, using Gammasphere and an array of Silicon detectors, measurements of the fusion cross section of 12C+12C were successfully carried out with the γ and charged-particle coincidence technique in the center-of-mass energy range of 3-5 MeV. These were the first background-free fusion cross section measurements for 12C+12C at energies of astrophysical interest. Our results are consistent with previous measurements in the high-energy region; however, our lowest energy measurement indicates a fusion cross section slightly lower than those obtained with other techniques.

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© 2016, The Authors.

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