Astrophysical factors of C12+C12 fusion extracted using the Trojan horse method

Mukhamedzhanov, A. M.; Pang, D. Y.; Kadyrov, A. S.

doi:10.1103/physrevc.99.064618

Title: Astrophysical factors of ${}^{12}C + {}^{12}C$ fusion extracted using the Trojan horse method

Journal Article · 26 June 2019 · Physical Review C

DOI: https://doi.org/10.1103/physrevc.99.064618 · OSTI ID:1610250

Mukhamedzhanov, A. M. ^[1]; Pang, D. Y. ^[2]; Kadyrov, A. S. ^[3]

Texas A & M Univ., College Station, TX (United States); DOE/OSTI
Beihang Univ., Beijing (China)
Curtin Univ., Perth, WA (Australia)

Carbon-carbon burning plays an important role in many stellar environments. Recently, Tumino et al. reported a sharp rise of the astrophysical S factor for carbon-carbon fusion determined using the indirect Trojan horse method. We demonstrate that the rise at low energies seen in the aforementioned work is an artifact of using an invalid plane-wave approximation that neglects the Coulomb interactions between charged particles. Our analysis shows that such a rise disappears if the Coulomb (or Coulomb-nuclear) interactions in the initial and final states are included.

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Research Organization:: Texas A & M Univ., College Station, TX (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA); NSF

Grant/Contract Number:: FG02-93ER40773; NA0003841

OSTI ID:: 1610250

Alternate ID(s):: OSTI ID: 1529709

Journal Information:: Physical Review C, Journal Name: Physical Review C Journal Issue: 6 Vol. 99; ISSN PRVCAN; ISSN 2469-9985

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited By (2)

The initial mass-final luminosity relation of type II supernova progenitors. Hints of new physics? Straniero, Oscar; Dominguez, Inma; Piersanti, Luciano arXiv https://doi.org/10.48550/arxiv.1907.06367	text	January 2019
The Initial Mass–Final Luminosity Relation of Type II Supernova Progenitors: Hints of New Physics? Straniero, Oscar; Dominguez, Inma; Piersanti, Luciano The Astrophysical Journal, Vol. 881, Issue 2 https://doi.org/10.3847/1538-4357/ab3222	journal	August 2019

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Title: Astrophysical factors of ${}^{12}C + {}^{12}C$ fusion extracted using the Trojan horse method