Constraining the 12C+12C fusion cross section for astrophysics

EPJ Web of Conferences. 2015;93:03009 DOI 10.1051/epjconf/20159303009

 

Journal Homepage

Journal Title: EPJ Web of Conferences

ISSN: 2100-014X (Online)

Publisher: EDP Sciences

LCC Subject Category: Science: Physics

Country of publisher: France

Language of fulltext: English

Full-text formats available: PDF

 

AUTHORS

Bucher B.
Fang X. (Nuclear Science Lab, University of Notre Dame)
Tang X.D.
Tan W.P. (Nuclear Science Lab, University of Notre Dame)
Almaraz-Calderon S. (Nuclear Science Lab, University of Notre Dame)
Alongi A. (Nuclear Science Lab, University of Notre Dame)
Ayangeakaa A.D. (Nuclear Science Lab, University of Notre Dame)
Beard M. (Nuclear Science Lab, University of Notre Dame)
Best A. (Nuclear Science Lab, University of Notre Dame)
Browne J. (Nuclear Science Lab, University of Notre Dame)
Cahillane C. (Nuclear Science Lab, University of Notre Dame)
Couder M. (Nuclear Science Lab, University of Notre Dame)
Dahlstrom E. (Nuclear Science Lab, University of Notre Dame)
Davies P. (Nuclear Science Lab, University of Notre Dame)
deBoer R. (Nuclear Science Lab, University of Notre Dame)
Kontos A. (Nuclear Science Lab, University of Notre Dame)
Lamm L. (Nuclear Science Lab, University of Notre Dame)
Long A. (Nuclear Science Lab, University of Notre Dame)
Lu W. (Nuclear Science Lab, University of Notre Dame)
Lyons S. (Nuclear Science Lab, University of Notre Dame)
Ma C. (Nuclear Science Lab, University of Notre Dame)
Moncion A. (Nuclear Science Lab, University of Notre Dame)
Notani M. (Nuclear Science Lab, University of Notre Dame)
Patel D. (Nuclear Science Lab, University of Notre Dame)
Paul N. (Nuclear Science Lab, University of Notre Dame)
Pignatari M. (Department of Physics, University of Basel)
Roberts A. (Nuclear Science Lab, University of Notre Dame)
Robertson D. (Nuclear Science Lab, University of Notre Dame)
Smith K. (Nuclear Science Lab, University of Notre Dame)
Stech E. (Nuclear Science Lab, University of Notre Dame)
Talwar R. (Nuclear Science Lab, University of Notre Dame)
Thomas S. (Nuclear Science Lab, University of Notre Dame)
Wiescher M. (Nuclear Science Lab, University of Notre Dame)

EDITORIAL INFORMATION

Editorial review

Editorial Board

Instructions for authors

Time From Submission to Publication: 6 weeks

 

Abstract | Full Text

The 12C+12C reaction is one of the single most important nuclear reactions in astrophysics. It strongly influences late evolution of massive stars as well as the dynamics of type Ia supernovae and x-ray superbursts. An accurate estimation of the cross section at relevant astrophysical energies is extremely important for modeling these systems. However, the situation is complicated by the unpredictable resonance structure observed at higher energies. Two recent studies at Notre Dame have produced results which help reduce the uncertainty associated with this reaction. The first uses correlations with the isotope fusion systems, 12C+13C and 13C+13C, to establish an upper limit on the resonance strengths in 12C+12C. The other focuses on the specific channel 12C+12C→23Mg+n and its low-energy measurement and extrapolation which is relevant to s-process nucleosynthesis. The results from each provide important constraints for astrophysical models.