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Calculation of astrophysical reaction rate and uncertainty for T(d,n)4He using Bayesian statistical approach

Published online by Cambridge University Press:  13 March 2024

Seyyed Soheil Esmaeili ,
Abbas Ghasemizad Open the ORCID record for Abbas Ghasemizad [Opens in a new window]  and
Omid Naserghodsi
Seyyed Soheil Esmaeili
Affiliation:
Department of Physics, Faculty of Science, University of Guilan, Rasht, Guilan, Iran
Abbas Ghasemizad*
Affiliation:
Department of Physics, Faculty of Science, University of Guilan, Rasht, Guilan, Iran
Omid Naserghodsi
Affiliation:
Department of Physics, Faculty of Science, University of Mazandaran, Babolsar, Mazandaran, Iran
*
Corresponding author: Abbas Ghasemizad; Email: ghasemi@guilan.ac.ir
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Abstract

One of the best methods to investigate and calculate a desired quantity using available limited data is the Bayesian statistical method, which has been recently entered the field of nuclear astrophysics and can be used to evaluate the astrophysical S-factors, the cross sections and, as a result, the nuclear reaction rates of Big Bang Nucleosynthesis. This study tries to calculate the astrophysical S-factor and the rate of reaction T(d,n)4He as an important astrophysical reaction with the help of this method in energies lower that electron repulsive barrier, and for this purpose, it uses the R-Software, which leads to improved results in comparison with the non-Bayesian methods for the mentioned reaction rate.

Keywords

Bayesian statisticsBig Bang Nucleosynthesisnuclear astrophysicsreaction rate
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 41 , 2024 , e019
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Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of Astronomical Society of Australia

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