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NSR database version of April 29, 2024.

Search: Author = T.Wolfgruber

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2023KN02      Phys.Lett. B 839, 137781 (2023)

M.Knoll, T.Wolfgruber, M.L.Agel, C.Wenz, R.Roth

Machine learning for the prediction of converged energies from ab initio nuclear structure calculations

NUCLEAR STRUCTURE ⁶Li, ¹²C, ¹⁶O, ^2,3H, ⁴He; calculated ground-state energies from no-core shell model. Few-body systems, artificial neural networks.

doi: 10.1016/j.physletb.2023.137781
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2022MA63      Phys.Rev. C 106, 064002 (2022)

P.Maris, R.Roth, E.Epelbaum, R.J.Furnstahl, J.Golak, K.Hebeler, T.Huther, H.Kamada, H.Krebs, H.Le, Ulf-G.Meissner, J.A.Melendez, A.Nogga, P.Reinert, R.Skibinski, J.P.Vary, H.Witala, T.Wolfgruber

Nuclear properties with semilocal momentum-space regularized chiral interactions beyond N²LO

NUCLEAR STRUCTURE ^{14,16,18,20,22,24,26}O, ^40,48Ca; calculated ground-state energies, point-proton radii. ^4,6,8He, ⁶Li, ¹⁰Be, ^10,12B, ¹²C; calculated ground state energies. ^10,12B, ¹²C; calculated low-lying levels, J, π. Chiral EFT calculations with semilocal momentum-space regularized NN potentials up to fourth leading order N⁴LO.

NUCLEAR REACTIONS ²H(n, X), E=70, 135, 200 MeV; calculated σ(E), σ(θ), vector- and tensor analyzing power. Comparison to experimental data.

doi: 10.1103/PhysRevC.106.064002
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2021MA32      Phys.Rev. C 103, 054001 (2021)

P.Maris, E.Epelbaum, R.J.Furnstahl, J.Golak, K.Hebeler, T.Huther, H.Kamada, H.Krebs, Ulf-G.Meissner, J.A.Melendez, A.Nogga, P.Reinert, R.Roth, R.Skibinski, V.Soloviov, K.Topolnicki, J.P.Vary, Yu.Volkotrub, H.Witala, T.Wolfgruber, for the LENPIC Collaboration

Light nuclei with semilocal momentum-space regularized chiral interactions up to third order

NUCLEAR STRUCTURE ³H, ^3,4,6,8He, ^6,7,8,9Li, ^8,10Be, ^10,11,12,13B, ^12,13,14C, ^14,15N, ¹⁶O; calculated energies of ground and excited states, S(2n) for ⁶He and ⁶Li, α+d breakup up for ⁶Li, and 3α breakup for ¹²C, energies, wave functions and radii for ³H, ^3,4He. Semilocal momentum-space (SMS) regularized two- and three-nucleon forces up to third chiral order (N²LO), with the two low-energy constants entering the three-body force determined from the triton binding energy and the differential cross-section minimum in elastic nucleon-deuteron scattering. Comparison with experimental data.

NUCLEAR REACTIONS ¹H(polarized d, d), E=70, 140, 200, 270 MeV; ²H(p, d), (polarized p, d), E=65 MeV; calculated analyzing powers A_y(θ) and differential cross sections for elastic scattering using semilocal momentum-space (SMS) regularized two- and three-nucleon forces up to third chiral order (N²LO) three-nucleon force (3NF). Comparison with experimental data.

doi: 10.1103/PhysRevC.103.054001
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