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Nuclear Theory

arXiv:2207.01433 (nucl-th)
[Submitted on 4 Jul 2022]

Title:Theoretical study of the d(d,p)3H and d(d,n)3He processes at low energies

Authors:M. Viviani (INFN-PI), L. Girlanda (UniSalento & INFN-LE), A. Kievsky (INFN-PI), D. Logoteta (UniPI), L.E. Marcucci (UniPI & INFN-PI)
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Abstract:We present a theoretical study of the processes d(d,p)3H and d(d,n)3He at energies of interest for energy production and for big-bang nucleosynthesis. We accurately solve the four body scattering problem using the ab-initio hyperspherical harmonic method, starting from nuclear Hamiltonians which include modern two- and three-nucleon interactions, derived in chiral effective field theory. We report results for the astrophysical factor, the quintet suppression factor, and various single and double polarized observables. An estimate of the "theoretical uncertainty" for all these quantities is provided by varying the cutoff parameter used to regularize the chiral interactions at high momentum.
Comments: 5 pages, 4 figures
Subjects: Nuclear Theory (nucl-th); Nuclear Experiment (nucl-ex)
Cite as: arXiv:2207.01433 [nucl-th]
  (or arXiv:2207.01433v1 [nucl-th] for this version)
  https://doi.org/10.48550/arXiv.2207.01433
Related DOI: https://doi.org/10.1103/PhysRevLett.130.122501

Submission history

From: Michele Viviani [view email]
[v1] Mon, 4 Jul 2022 14:17:42 UTC (70 KB)
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