dorsal/arxiv
View SchemaSolar neutrino processes in the relativistic field theory model of the deuteron
| Authors | A. N. Ivanov, H. Oberhummer, N. I. Troitskaya, M. Faber |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9811012 |
| URL | https://arxiv.org/abs/nucl-th/9811012 |
Abstract
The generalized version of the relativistic field theory model of the deuteron (RFMD) is applied to the description of processes of astrophysical interest and low-energy elastic NN scattering. The value of the astrophysical factor S_{pp}(0) = 5.52x10^{-25} MeV b is found to be enhanced by a factor of 1.42 with respect to the classical value S^*_{pp}(0) = 3.89x10{-25} MeV b obtained by Kamionkowski and Bahcall in the potential model approach (PMA). The astrophysical aspects of this enhancement are discussed. The cross sections for the disintegration of the deuteron by (anti-) neutrinos nu_e + D -> e^- + p + p, anti-nu_e + D -> e^+ + n + n and nu_e(anti-nu_e) + D -> nu_e(anti-nu_e) + n + p are calculated for the energies of (anti-) neutrinos ranging from thresholds up to 10 MeV. The results are discussed in comparison with the PMA data. The cross sections for anti-nu_e + D -> e^+ + n + n and anti-nu_e + D -> anti-nu_e + n + p averaged over the reactor anti-neutrino energy spectrum agree well with experimental data. The astrophysical factor S_{pep}(0) for the process p + e^- + p -> nu_e + D (or pep-process) is calculated relative to S_{pp}(0) in complete agreement with the result obtained by Bahcall and May. The reaction rate for the neutron-proton radiative capture is calculated in agreement with the PMA result obtained for pure M1 transition. It is shown that in the RFMD one can describe low--energy elastic NN scattering in complete agreement with low-energy nuclear phenomenology.
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"abstract": "The generalized version of the relativistic field theory model of the\ndeuteron (RFMD) is applied to the description of processes of astrophysical\ninterest and low-energy elastic NN scattering. The value of the astrophysical\nfactor S_{pp}(0) = 5.52x10^{-25} MeV b is found to be enhanced by a factor of\n1.42 with respect to the classical value S^*_{pp}(0) = 3.89x10{-25} MeV b\nobtained by Kamionkowski and Bahcall in the potential model approach (PMA). The\nastrophysical aspects of this enhancement are discussed. The cross sections for\nthe disintegration of the deuteron by (anti-) neutrinos nu_e + D -\u003e e^- + p +\np, anti-nu_e + D -\u003e e^+ + n + n and nu_e(anti-nu_e) + D -\u003e nu_e(anti-nu_e) + n\n+ p are calculated for the energies of (anti-) neutrinos ranging from\nthresholds up to 10 MeV. The results are discussed in comparison with the PMA\ndata. The cross sections for anti-nu_e + D -\u003e e^+ + n + n and anti-nu_e + D -\u003e\nanti-nu_e + n + p averaged over the reactor anti-neutrino energy spectrum agree\nwell with experimental data. The astrophysical factor S_{pep}(0) for the\nprocess p + e^- + p -\u003e nu_e + D (or pep-process) is calculated relative to\nS_{pp}(0) in complete agreement with the result obtained by Bahcall and May.\nThe reaction rate for the neutron-proton radiative capture is calculated in\nagreement with the PMA result obtained for pure M1 transition. It is shown that\nin the RFMD one can describe low--energy elastic NN scattering in complete\nagreement with low-energy nuclear phenomenology.",
"arxiv_id": "nucl-th/9811012",
"authors": [
"A. N. Ivanov",
"H. Oberhummer",
"N. I. Troitskaya",
"M. Faber"
],
"categories": [
"nucl-th"
],
"title": "Solar neutrino processes in the relativistic field theory model of the deuteron",
"url": "https://arxiv.org/abs/nucl-th/9811012"
},
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