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Dynamical screening of α-α Resonant scattering and thermal nuclear scattering rate in a plasma

Publication ,  Journal Article
Yao, X; Mehen, T; Müller, B
Published in: Physical Review D
June 1, 2017

We use effective field theory and thermal field theory to study the dynamical screening effect in the QED plasma on the α-α scattering at the Be8 resonance. Dynamical screening leads to an imaginary part of the potential which results in a thermal width for the resonance and dominates over the previously considered static screening effect. As a result, both the resonance energy and width increase with the plasma temperature. Furthermore, dynamical screening can have a huge impact on the α-α thermal nuclear scattering rate. For example, when the temperature is around 10 keV, the rate is suppressed by a factor of about 900. We expect similar thermal suppressions of nuclear reaction rates to occur in those reactions dominated by an above threshold resonance with a thermal energy. Dynamical screening effects on nuclear reactions can be relevant to cosmology and astrophysics.

Duke Scholars

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Published In

Physical Review D

DOI

EISSN

2470-0029

ISSN

2470-0010

Publication Date

June 1, 2017

Volume

95

Issue

11
 

Citation

APA
Chicago
ICMJE
MLA
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Yao, X., Mehen, T., & Müller, B. (2017). Dynamical screening of α-α Resonant scattering and thermal nuclear scattering rate in a plasma. Physical Review D, 95(11). https://doi.org/10.1103/PhysRevD.95.116002
Yao, X., T. Mehen, and B. Müller. “Dynamical screening of α-α Resonant scattering and thermal nuclear scattering rate in a plasma.” Physical Review D 95, no. 11 (June 1, 2017). https://doi.org/10.1103/PhysRevD.95.116002.
Yao X, Mehen T, Müller B. Dynamical screening of α-α Resonant scattering and thermal nuclear scattering rate in a plasma. Physical Review D. 2017 Jun 1;95(11).
Yao, X., et al. “Dynamical screening of α-α Resonant scattering and thermal nuclear scattering rate in a plasma.” Physical Review D, vol. 95, no. 11, June 2017. Scopus, doi:10.1103/PhysRevD.95.116002.
Yao X, Mehen T, Müller B. Dynamical screening of α-α Resonant scattering and thermal nuclear scattering rate in a plasma. Physical Review D. 2017 Jun 1;95(11).

Published In

Physical Review D

DOI

EISSN

2470-0029

ISSN

2470-0010

Publication Date

June 1, 2017

Volume

95

Issue

11