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26 April 2024 |
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The Solar Proton Burning Process Revisited In Chiral Perturbation Theory | | Tae-Sun Park
; Kuniharu Kubodera
; Dong-Pil Min
; Mannque Rho
; | | Date: |
15 Apr 1998 | | Journal: | Astrophys.J. 507 (1998) 443-453 | | Subject: | astro-ph hep-ph nucl-th | | Abstract: | The proton burning process p + p -> d + e(+) +
u(e), important for the stellar evolution of main-sequence stars of mass equal to or less than that of the Sun, is computed in effective field theory using chiral perturbation expansion to the next-to-next-to leading chiral order. This represents a model-independent calculation consistent with low-energy effective theory of QCD comparable in accuracy to the radiative np capture at thermal energy previously calculated by first using very accurate two-nucleon wavefunctions backed up by an effective field theory technique with a finite cut-off. The result obtained thereby is found to support within theoretical uncertainties the previous calculation of the same process by Bahcall and his co-workers. | | Source: | arXiv, astro-ph/9804144 | | Services: | Forum | Review | PDF | Favorites | |
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