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Three-Nucleon Force Effects in \({\varvec{p{\text{-}}^3\mathrm{H}}}\) and \({\varvec{n{\text{-}}^3\mathrm{He}}}\) Scattering

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Abstract

We present a preliminary study of the effect of a three-nucleon force (3NF) in \(p{\text{-}}^3\mathrm{H}\) and \(n{\text{-}}^3\mathrm{He}\) scattering at low energies. The used 3NF is derived from effective field theory at next-to-next-to-leading order. The four-nucleon scattering observables are calculated using the Kohn variational principle and the hyperspherical harmonics technique and the results are compared with available experimental data. We have found that the effect of introducing this type of 3NF is tiny, and sometimes worsens the agreement with the experimental data.

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Authors and Affiliations

  1. INFN- Pisa, Largo B. Pontecorvo 3, I-56127, Pisa, Italy

    M. Viviani, A. Kievsky & L. E. Marcucci

  2. Department of Mathematics and Physics, University of Salento, Lecce, Italy

    L. Girlanda

  3. INFN-Lecce, Via Arnesano, I-73100, Lecce, Italy

    L. Girlanda

  4. Department of Physics, University of Pisa, Pisa, Italy

    L. E. Marcucci

Authors
  1. M. Viviani
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  2. L. Girlanda
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  3. A. Kievsky
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  4. L. E. Marcucci
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Correspondence to M. Viviani.

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This article belongs to the Topical Collection “The 23rd European Conference on Few-Body Problems in Physics.

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Viviani, M., Girlanda, L., Kievsky, A. et al. Three-Nucleon Force Effects in \({\varvec{p{\text{-}}^3\mathrm{H}}}\) and \({\varvec{n{\text{-}}^3\mathrm{He}}}\) Scattering. Few-Body Syst 58, 110 (2017). https://doi.org/10.1007/s00601-017-1264-8

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  • DOI: https://doi.org/10.1007/s00601-017-1264-8

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