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NSR database version of April 27, 2024.

Search: Author = L.Andreoli

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2022AN04      Phys.Rev. C 105, 014002 (2022)

L.Andreoli, J.Carlson, A.Lovato, S.Pastore, N.Rocco, R.B.Wiringa

Electron scattering on A=3 nuclei from quantum Monte Carlo based approaches

NUCLEAR REACTIONS ³H(e, e), (e, e'), at momentum transfer θ=300 MeV/c; calculated total longitudinal response density. ³H, ³He(e, e'), at momentum transfer θ=300, 500, 700 MeV/c; calculated longitudinal and transverse response functions, single proton momentum distribution of ³He. ³He(e, e), (e, e'), E=287.2, 319.1, 469.4, 499.9, 560.3, 667.3 MeV; ³H(e, e), (e, e'), E=367.7, 506.9, 557.9, 652.4, 790.2 MeV; calculated inclusive double-differential σ(E). Green's function Monte Carlo (GFMC) method with two approaches for the final hadronic state: the spectral-function (SF) formalism and the short-time approximation (STA). Comparison with experimental data.

doi: 10.1103/PhysRevC.105.014002
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2020KI13      Phys.Rev. C 102, 025501 (2020)

G.B.King, L.Andreoli, S.Pastore, M.Piarulli, R.Schiavilla, R.B.Wiringa, J.Carlson, S.Gandolfi

Chiral effective field theory calculations of weak transitions in light nuclei

NUCLEAR STRUCTURE ³H, ^4,6,8He, ^6,7,8Li, ^7,8Be, ^8,10B, ¹⁰C; calculated energies of ground and excited states, point-proton radii using Green's function Monte Carlo (GFMC) calculations, and compared with experimental data.

RADIOACTIVITY ^6,8He, ⁸Li(β^-); ⁷Be(EC); ⁸B, ¹⁰C(β⁺); calculated Gamow-Teller reduced matrix elements (RMEs), two-body transition densities and pair densities using chiral axial currents and GFMC (VMC) wave functions, with NV2+3-Ia and NV2+3-Ia* Hamiltonian models, and RMEs compared to experimental data.

doi: 10.1103/PhysRevC.102.025501
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2019AN06      Phys.Rev. C 99, 025501 (2019)

L.Andreoli, V.Cirigliano, S.Gandolfi, F.Pederiva

Quantum Monte Carlo calculations of dark matter scattering off light nuclei

NUCLEAR STRUCTURE ^2,3H, ^3,4He, ⁶Li; calculated isoscalar matrix elements for elastic scattering of dark matter particles off light nuclei using quantum Monte Carlo methods with scalar-mediated DM-nucleus interactions and scalar currents obtained to next-to-leading order in chiral effective theory, and with the nuclear ground states obtained from phenomenological nuclear Hamiltonian and Argonne ν18 two-body interaction and Urbana IX three-body interaction.

doi: 10.1103/PhysRevC.99.025501
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