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NSR database version of May 22, 2024.

Search: Author = J.E.Sobczyk

Found 13 matches.

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2024SO05      Phys.Rev. C 109, 025502 (2024)

J.E.Sobczyk, B.Acharya, S.Bacca, G.Hagen

40Ca transverse response function from coupled-cluster theory

doi: 10.1103/PhysRevC.109.025502
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2024SO09      Phys.Rev. C 109, 044314 (2024)

J.E.Sobczyk, S.Bacca

16O spectral function from coupled-cluster theory: Applications to lepton-nucleus scattering

doi: 10.1103/PhysRevC.109.044314
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2024SO10      Few-Body Systems 65, 48 (2024)


Electron Scattering on 4He from Coupled-Cluster Theory

NUCLEAR REACTIONS 4He(e-, e-), E=300-400 MeV; calculated longitudinal and transverse response for two values of momentum transfer using the Lorentz integral transform (LIT) and the spectral functions (SF). Comparison with available Rosenbluth separated data in the intermediate momentum transfer regime.

doi: 10.1007/s00601-024-01913-5
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2023AN15      J.Phys.(London) G50, 120501 (2023)

A.M.Ankowski, A.Ashkenazi, S.Bacca, J.L.Barrow, M.Betancourt, A.Bodek, M.E.Christy, L.Doria, S.Dytman, A.Friedland, O.Hen, C.J.Horowitz, N.Jachowicz, W.Ketchum, T.Lux, K.Mahn, C.Mariani, J.Newby, V.Pandey, A.Papadopoulou, E.Radicioni, F.Sanchez, C.Sfienti, J.M.Udias, L.Weinstein, L.Alvarez-Ruso, J.E.Amaro, C.A.Arguelles, A.B.Balantekin, S.Bolognesi, V.Brdar, P.Butti, S.Carey, Z.Djurcic, O.Dvornikov, S.Edayath, S.Gardiner, J.Isaacson, W.Jay, A.Klustova, K.S.McFarland, A.Nikolakopoulos, A.Norrick, S.Pastore, G.Paz, M.H.Reno, I.Ruiz Simo, J.E.Sobczyk, A.Sousa, N.Toro, Y.-D.Tsai, M.Wagman, J.G.Walsh, G.Yang

Electron scattering and neutrino physics

doi: 10.1088/1361-6471/acef42
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2023MI19      Eur.Phys.J. A 59, 225 (2023)

M.Mihovilovic, P.Achenbach, C.Ayerbe Gayoso, M.Bajec, T.Beranek, J.Bericic, J.C.Bernauer, R.Bohm, D.Bosnar, M.Cardinali, L.Correa, L.Debenjak, A.Denig, M.O.Distler, A.Esser, M.I.Ferretti-Bondy, H.Fonvieille, J.M.Friedrich, I.Friscic, K.Griffioen, M.Hoek, S.Kegel, Y.Stottinger, H.Merkel, D.G.Middleton, U.Muller, L.Nungesser, J.Pochodzalla, M.Rohrbeck, S.Sanchez Majos, B.S.Schlimme, M.Schoth, F.Schulz, C.Sfienti, S.Sirca, J.E.Sobczyk, S.Stajner, M.Thiel, A.Tyukin, M.Vanderhaeghen, A.B.Weber, M.Weinriefer

Non-forward radiative corrections to electron-carbon scattering

doi: 10.1140/epja/s10050-023-01128-y
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2022SO15      Phys.Rev. C 106, 034310 (2022)

J.E.Sobczyk, S.Bacca, G.Hagen, T.Papenbrock

Spectral function for 4He using the Chebyshev expansion in coupled-cluster theory

NUCLEAR REACTIONS 4He(e, e'), at momentum transfers q ≈ 270-670 MeV; calculated intrinsic momentum distribution, and compared with that in laboratory system, spectral functions, differential σ(momentum transfer) using coupled-cluster singles-and-doubles (CCSD) approximation, with an expansion of integral transforms into Chebyshev polynomials.

doi: 10.1103/PhysRevC.106.034310
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2021SO24      Phys.Rev.Lett. 127, 072501 (2021)

J.E.Sobczyk, B.Acharya, S.Bacca, G.Hagen

Ab Initio Computation of the Longitudinal Response Function in 40Ca

NUCLEAR STRUCTURE 40Ca; calculated longitudinal response function using the coupled-cluster and Lorentz integral transform methods starting from chiral nucleon-nucleon and three-nucleon interactions.

doi: 10.1103/PhysRevLett.127.072501
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2020SO16      Phys.Rev. C 102, 024601 (2020)

J.E.Sobczyk, J.Nieves, F.Sanchez

Exclusive-final-state hadron observables from neutrino-nucleus multinucleon knockout

NUCLEAR REACTIONS 12C(ν, X), E=0.2-2 GeV; calculated total σ(E). 12C(ν, X), E=0.5, 1.0, 1.5 GeV; calculated differential cross sections. 12C(ν, 2p), (ν, np), E=1.5 GeV; calculated available energies and outgoing nucleons distribution for two protons and for proton-neutron final states in the primary vertex. Calculation of the two particle-two hole 2p2h and 3p3h contributions to the neutrino induced charge-current cross section using the NEUT generator. Comparison to results from MC event generators. Relevance to neutrino oscillation experiments.

doi: 10.1103/PhysRevC.102.024601
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2020SO21      Phys.Rev. C 102, 064312 (2020)

J.E.Sobczyk, B.Acharya, S.Bacca, G.Hagen

Coulomb sum rule for 4He and 16O from coupled-cluster theory

NUCLEAR STRUCTURE 4He, 16O; calculated Coulomb sum rule (CSR), squared elastic form factors, spurious 1- states as functions of the momentum transfer of 0-500 MeV. Coupled-cluster theory using interactions from chiral effective field theory (EFT). Relevance to improving understanding of neutrino-nucleus scattering process.

doi: 10.1103/PhysRevC.102.064312
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2019SO10      Phys.Rev. C 99, 065503 (2019)

J.E.Sobczyk, N.Rocco, A.Lovato, J.Nieves

Weak production of strange and charmed ground-state baryons in nuclei

NUCLEAR REACTIONS 12C, 16O, 40Ca(ν-bar, μ+Λ), (ν-bar, μ+Σ-), (ν-bar, μ+Σ0), (ν-bar, μ+Σ+), (ν-bar, μ-Λ), E=0.5-5 GeV; calculated differential σ(E, θ) and total σ(E) for muonic neutrino beams, form factors using realistic hole spectral functions with propagation of hyperons in the nuclear medium via a Monte Carlo cascade. Implications in the analysis of experiments from SciBooNE, MicroBooNE, MINERvA and ArgoNeuT collaborations.

doi: 10.1103/PhysRevC.99.065503
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2019SO16      Phys.Rev. C 100, 035501 (2019)

J.E.Sobczyk, N.Rocco, J.Nieves

Polarization of t in quasielastic (anti)neutrino scattering: The role of spectral functions

NUCLEAR REACTIONS 16O(ν, ν), (ν-bar, ν-bar'), E=4, 6 GeV; calculated double-differential σ(θ, E) and polarization components for scattering of τ neutrino or anti-neutrino off 16O; analyzed cross sections and polarization components for the charge-current reaction, focusing on the quasielastic region where the single nucleon knock-out dominates reaction mechanism. Relevance to experiments at SHiP facility, and neutrino oscillations.

doi: 10.1103/PhysRevC.100.035501
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2018SO03      Phys.Rev. C 97, 035506 (2018)

J.E.Sobczyk, N.Rocco, A.Lovato, J.Nieves

Scaling within the spectral function approach

NUCLEAR REACTIONS 12C(e, e'), at momentum transfer q=0.57-1.2 GeV; calculated nucleon-density response function, transverse, longitudinal, and nucleon-density scaling functions, nonrelativistic PWIA scaling responses using two approaches, semi-phenomenological model, and hole spectral function (SF) based on correlated basis function (CBF). Comparison with experimental data.

doi: 10.1103/PhysRevC.97.035506
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2017SO22      Phys.Rev. C 96, 045501 (2017)


Intercomparison of lepton-nucleus scattering models in the quasielastic region

NUCLEAR REACTIONS 12C(e, e), (e, e'), E=200-2130 MeV; analyzed quasielastic (QE) scattering data from T2K experiment using various models of electron-nucleus scattering: Benhar's spectral function model with and without the final-state interactions, Valencia spectral function, Giessen Boltzmann-Uehling-Uhlenbeck (GiBUU), and predictions of the global and local Fermi gas models. Relevance to systematic errors in the neutrino oscillation experiments.

doi: 10.1103/PhysRevC.96.045501
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