Realistic calculation of the hep astrophysical factor

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The astrophysical factor for the proton weak capture on {sup 3}He is calculated with correlated-hyperspherical-harmonics bound and continuum wave functions corresponding to a realistic Hamiltonian consisting of the Argonne {nu}{sub 18} two-nucleon and Urbana-IX three-nucleon interactions. The nuclear weak charge and current operators have vector and axial-vector components, that include one- and many-body terms. All possible multipole transitions connecting any of the p{sup 3}He S- and P-wave channels to the {sup 4}He bound state are considered. The S-factor at a p{sup 3}He center-of-mass energy of 10 keV, close to the Gamow-peak energy, is predicted to be 10.1 x 10{sup {minus}20} ... continued below

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665 Kilobytes pages

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Marcucci, L.E.; Schiavilla, R.; Viviani, M.; Kievsky, A. & Rosati, S. March 1, 2000.

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The astrophysical factor for the proton weak capture on {sup 3}He is calculated with correlated-hyperspherical-harmonics bound and continuum wave functions corresponding to a realistic Hamiltonian consisting of the Argonne {nu}{sub 18} two-nucleon and Urbana-IX three-nucleon interactions. The nuclear weak charge and current operators have vector and axial-vector components, that include one- and many-body terms. All possible multipole transitions connecting any of the p{sup 3}He S- and P-wave channels to the {sup 4}He bound state are considered. The S-factor at a p{sup 3}He center-of-mass energy of 10 keV, close to the Gamow-peak energy, is predicted to be 10.1 x 10{sup {minus}20} keV b, a factor of five larger than the standard-solar-model value. The P-wave transitions are found to be important, contributing about 40 % of the calculated S-factor.

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665 Kilobytes pages

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  • Journal Name: Physical Review Letters; Other Information: Submitted to Physical Review Letters

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  • Report No.: DOE/ER/40150-1416
  • Report No.: JLAB-THY-00-09
  • Report No.: nucl-th/0003065
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 754868
  • Archival Resource Key: ark:/67531/metadc711049

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Office of Scientific & Technical Information Technical Reports

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  • March 1, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 5, 2016, 8:29 p.m.

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Marcucci, L.E.; Schiavilla, R.; Viviani, M.; Kievsky, A. & Rosati, S. Realistic calculation of the hep astrophysical factor, article, March 1, 2000; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc711049/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.