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NSR database version of April 26, 2024.

Search: Author = E.Mereghetti

Found 12 matches.

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2023DE28      Phys.Rev. C 108, 045501 (2023)

W.Dekens, J.de Vries, E.Mereghetti, J.Menendez, P.Soriano, G.Zhou

Neutrinoless double-β decay in the neutrino-extended standard model

doi: 10.1103/PhysRevC.108.045501
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2023KI04      Phys.Rev. C 107, 015503 (2023)

G.B.King, A.Baroni, V.Cirigliano, S.Gandolfi, L.Hayen, E.Mereghetti, S.Pastore, M.Piarulli

Ab initio calculation of the β-decay spectrum of ⁶He

RADIOACTIVITY ⁶He(β^-); calculated T_1/2, β-decay energy spectrum, corrections to the β-decay spectrum induced by beyond-standard-model charged-current interactions in the standard model effective field theory, with and without sterile neutrinos. Quantum Monte Carlo methods with nuclear interactionsderived from chiral effective field theory and consistent weak vector and axial currents. Comparison to available experimental data.

doi: 10.1103/PhysRevC.107.015503
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2022CI08      J.Phys.(London) G49, 120502 (2022)

V.Cirigliano, Z.Davoudi, J.Engel, R.J.Furnstahl, G.Hagen, U.Heinz, H.Hergert, M.Horoi, C.W.Johnson, A.Lovato, E.Mereghetti, W.Nazarewicz, A.Nicholson, T.Papenbrock, S.Pastore, M.Plumlee, D.R.Phillips, P.E.Shanahan, S.R.Stroberg, F.Viens, A.Walker-Loud, K.A.Wendt, S.M.Wild

Towards precise and accurate calculations of neutrinoless double-beta decay

RADIOACTIVITY ⁴⁸Ca(2β^-); calculated neutrinoless nuclear matrix elements using chiral-EFT interactions, EDF, IBM, QRPA, SM-pf, SM-sdpf, SM-MBPT, RSM, QMC+SM, IM-GCM, VS-IMSRG, CCSD, CCSD-T1.

doi: 10.1088/1361-6471/aca03e
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2021YA22      Phys.Rev. C 104, 024002 (2021)

Z.Yang, E.Mereghetti, L.Platter, M.R.Schindler, J.Vanasse

Electric dipole moments of three-nucleon systems in the pionless effective field theory

NUCLEAR MOMENTS ³H, ³He; calculated electric dipole moments (EDMs) electric dipole form factor, momentum dependence of the electric dipole form factor in the Wigner limit using leading order (LO) pionless chiral effective field theory (EFT).

doi: 10.1103/PhysRevC.104.024002
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2019CI06      Phys.Rev. C 100, 055504 (2019)

V.Cirigliano, W.Dekens, J.de Vries, M.L.Graesser, E.Mereghetti, S.Pastore, M.Piarulli, U.van Kolck, R.B.Wiringa

Renormalized approach to neutrinoless double-β decay

RADIOACTIVITY ⁶He, ¹²Be(2β^-); calculated Fermi (F), Gamow-Teller (GT), and tensor (T) densities, variational Monte Carlo (VMC) for the dimensionless matrix elements of the long-range and short-range neutrino-exchange potentials and short-range transition densities for 0νββ decay modes; deduced that a short-range operator is only needed in spin-singlet s-wave transitions, while leading-order transitions involving higher partial waves depend solely on long-range currents.Ab initio calculations of the matrix elements for 0νββ decay using pionless and chiral effective field theory, extended to include next-to-leading-order corrections.

doi: 10.1103/PhysRevC.100.055504
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2018CI01      Phys.Rev. C 97, 065501 (2018); Erratum Phys.Rev. C 100, 019903 (2019)

V.Cirigliano, W.Dekens, E.Mereghetti, A.Walker-Loud

Neutrinoless double-β decay in effective field theory: The light-Majorana neutrino-exchange mechanism

doi: 10.1103/PhysRevC.97.065501
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2018PA05      Phys.Rev. C 97, 014606 (2018)

S.Pastore, J.Carlson, V.Cirigliano, W.Dekens, E.Mereghetti, R.B.Wiringa

Neutrinoless double-β decay matrix elements in light nuclei

RADIOACTIVITY ^6,8,10He, ^10,12Be, ⁴⁸Ca, ⁷⁶Ge, ¹³⁶Xe(2β^-); calculated dimensionless matrix elements for light Majorana-neutrino exchange in 0νββ decay using variational Monte Carlo (VMC) wave functions obtained from the Argonne ν18 two-nucleon potential and Illinois-7 three-nucleon interaction.

doi: 10.1103/PhysRevC.97.014606
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2015DE32      Phys.Rev. C 92, 045201 (2015)

J.de Vries, E.Mereghetti, A.Walker-Loud

Baryon mass splittings and strong CP violation in SU(3) chiral perturbation theory

doi: 10.1103/PhysRevC.92.045201
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2013ME12      Phys.Rev. C 88, 034001 (2013)

E.Mereghetti, J.de Vries, R.G.E.Timmermans, U.van Kolck

Toroidal quadrupole form factor of the deuteron

doi: 10.1103/PhysRevC.88.034001
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2012LI29      Phys.Lett. B 713, 447 (2012)

C.-P.Liu, J.de Vries, E.Mereghetti, R.G.E.Timmermans, U.van Kolck

Deuteron magnetic quadrupole moment from chiral effective field theory

NUCLEAR STRUCTURE ²H; calculated magnetic quadrupole moment of the deuteron; QCD calculations, comparison with available data.

doi: 10.1016/j.physletb.2012.06.024
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2011DE34      Phys.Rev. C 84, 065501 (2011)

J.de Vries, R.Higa, C.-P.Liu, E.Mereghetti, I.Stetcu, R.G.E.Timmermans, U.van Kolck

Electric dipole moments of light nuclei from chiral effective field theory

NUCLEAR STRUCTURE ^2,3H, ³He; calculated electric dipole moments by systematic expansion provided by chiral effective field theory (EFT) taking into account parity and time reversal violation.

doi: 10.1103/PhysRevC.84.065501
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2011MA64      Nucl.Phys. A872, 117 (2011)

C.M.Maekawa, E.Mereghetti, J.de Vries, U.van Kolck

The time-reversal- and parity-violating nuclear potential in chiral effective theory

doi: 10.1016/j.nuclphysa.2011.09.020
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