NSR Query Results
Output year order : Descending NSR database version of May 2, 2024. Search: Author = L.Hlophe Found 12 matches. 2023HE08 J.Phys.(London) G50, 060501 (2023) C.Hebborn, F.M.Nunes, G.Potel, W.H.Dickhoff, J.W.Holt, M.C.Atkinson, R.B.Baker, C.Barbieri, G.Blanchon, M.Burrows, R.Capote, P.Danielewicz, M.Dupuis, C.Elster, J.E.Escher, L.Hlophe, A.Idini, H.Jayatissa, B.P.Kay, K.Kravvaris, J.J.Manfredi, A.Mercenne, B.Morillon, G.Perdikakis, C.D.Pruitt, G.H.Sargsyan, I.J.Thompson, M.Vorabbi, T.R.Whitehead Optical potentials for the rare-isotope beam era
doi: 10.1088/1361-6471/acc348
2023HL01 Phys.Rev. C 107, 014315 (2023) L.Hlophe, K.Kravvaris, S.Quaglioni Quantifying uncertainties due to irreducible three-body forces in deuteron-nucleus reactions NUCLEAR REACTIONS 2H(α, α), E(cm)<1.8 MeV; calculated elastic scattering σ(θ, E), phase shifts. Ab initio no-core shell model coupled with the resonating group method (NCSM/RGM) and Faddeev type equations. Studied the irreducible n-p-α three-body forces arising from antisymmetrization effects and quantified its impact on observables of the d+α system. Comparison to available experimental data. NUCLEAR STRUCTURE 2H, 4He, 6Li; calculated ground-state energy. Comparison of Faddeev calculations with no-core shell model coupled with the resonating group method (NCSM/RGM).
doi: 10.1103/PhysRevC.107.014315
2020QU01 Phys.Rev. C 102, 024606 (2020) M.Quinonez, L.Hlophe, F.M.Nunes Properties of a separable representation of optical potentials NUCLEAR REACTIONS 48Ca(n, n), E=5-2400 MeV; calculated real part of the S matrix as a function of the scattering energy, radial dependence of the real part of the separable interaction. 16O, 48Ca(n, n), E=5, 20 MeV; calculated nonlocality parameters of the separable interactions for l=0 and 1 interactions. Generalized Ersnt-Shakin-Thaler (EST) scheme to generate separable interactions starting from local optical potentials such as energy-dependent CH89 global optical potential.
doi: 10.1103/PhysRevC.102.024606
2019HL01 Phys.Rev. C 100, 034609 (2019) L.Hlophe, J.Lei, Ch.Elster, A.Nogga, F.M.Nunes, D.Jurciukonis, A.Deltuva Deuteron-α scattering: Separable versus nonseparable Faddeev approach NUCLEAR REACTIONS 4He(d, d), (d, np), E=10, 20, 50 MeV; calculated differential σ(E) for elastic and breakup reactions using the momentum-space Faddeev Alt-Grassberger-Sandhas (AGS) framework.
doi: 10.1103/PhysRevC.100.034609
2018LE16 Phys.Rev. C 98, 051001 (2018) J.Lei, L.Hlophe, Ch.Elster, A.Nogga, F.M.Nunes, D.R.Phillips Few-body universality in the deuteron-α system NUCLEAR STRUCTURE 6Li; calculated d-α S-wave scattering length and absolute value of the n-p-α three body separation energy using variety of phase-shift equivalent nucleon-nucleon and α-nucleon interactions; interpreted as a deuteron or two-nucleon halo nucleus from dα and 6Li correlation.
doi: 10.1103/PhysRevC.98.051001
2017HL01 Phys.Rev. C 95, 054617 (2017) Separable representation of multichannel nucleon-nucleus optical potentials NUCLEAR REACTIONS 12C(n, n), (n, n'), E=0-50 MeV; calculated energy-dependent EST separable representation of multichannel S-matrix elements, differential σ(θ, E), real part of the t-matrix elements, asymmetry as function of the off-shell momenta. 12C(p, p), (p, p'), E=35.2, 65 MeV; calculated differential σ(θ, E), real part of half-shell multichannel t-matrix elements. Separable expansion of neutron-nucleus deformed optical model potentials (DOMPs). Solution of momentum space Lippmann-Schwinger integral equations to obtain form factors for energy-dependent separable representation based on generalization of the Ernst-Shakin-Thaler (EST) scheme. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.054617
2017HL02 Phys.Rev. C 96, 064003 (2017) L.Hlophe, J.Lei, C.Elster, A.Nogga, F.M.Nunes 6Li in a three-body model with realistic Forces: Separable versus nonseparable approach NUCLEAR STRUCTURE 6Li; calculated three-body binding energies for the ground state, momentum distributions of different pairs in the ground state of 6Li, by solving momentum-space Faddeev equations using separable interactions based on the Ernst-Shakin-Thaler (EST) scheme, and with CD-Bonn interaction for the np pair and Bang potential for the n(p)-α subsystems.
doi: 10.1103/PhysRevC.96.064003
2016HL01 Phys.Rev. C 93, 034601 (2016) Separable representation of energy-dependent optical potentials NUCLEAR REACTIONS 48Ca, 208Pb(n, n), E=0-50 MeV; calculated S matrix with the CH89 optical potential, and the energy-dependent Ernst-Shakin-Thaler (eEST) separable representation. 48Ca(n, n'), E=16, 29, 40, 47 MeV; 208Pb(n, n'), E=5, 11, 15, 21, 36, 47 MeV; calculated partial wave off-shell t-matrix elements, and asymmetry from CH89 phenomenological optical potential, and from its energy-independent EST separable representation. Solution of momentum space Lippmann-Schwinger integral equations with standard techniques to obtain form factors for the separable representation of energy-dependent neutron- and proton-optical potentials. Reciprocity theorem.
doi: 10.1103/PhysRevC.93.034601
2014ES03 Phys.Rev. C 89, 054605 (2014) J.E.Escher, I.J.Thompson, G.Arbanas, Ch.Elster, V.Eremenko, L.Hlophe, F.M.Nunes Reexamining surface-integral formulations for one-nucleon transfers to bound and resonance states NUCLEAR REACTIONS 90Zr(d, p), E=11 MeV; 48Ca(d, p), E=13, 19.3, 56 MeV; 20O(d, p), E=21 MeV; calculated σ(θ, E), interior, surface, and exterior contributions to the transfer reaction for bound states and resonances. Improvements to surface-integral approach. R-matrix theory, and finite range distorted-wave Born approximation (DWBA) calculations using reaction code FRESCO. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.054605
2014HL01 Phys.Rev. C 90, 061602 (2014) L.Hlophe, V.Eremenko, Ch.Elster, F.M.Nunes, G.Arbanas, J.E.Escher, I.J.Thompson, for the TORUS Collaboration Separable representation of proton-nucleus optical potentials NUCLEAR REACTIONS 12C, 48Ca(p, p), E=38 MeV; 208Pb(p, p), E=45 MeV; calculated S-matrix elements and σ(θ); deduced effects of the short-range Coulomb potential on the proton-nucleus form factor. Comparison with coordinate space calculations. Generalization of the Ernst-Shakin-Thaler (EST) scheme.
doi: 10.1103/PhysRevC.90.061602
2014UP02 Phys.Rev. C 90, 014615 (2014) N.J.Upadhyay, V.Eremenko, L.Hlophe, F.M.Nunes, Ch.Elster, G.Arbanas, J.E.Escher, I.J.Thompson Coulomb problem in momentum space without screening NUCLEAR REACTIONS 2H(12C, p), E(cm)=30 MeV; 2H(48Ca, p), E(cm)=36 MeV; 2H(208Pb, p), E(cm)=36, 39 MeV; calculated Coulomb-distorted form factors for (d, p) reactions and dependence on charge, angular momentum, and energy. Regularization techniques using a separable interaction derived from realistic nucleon-nucleus optical potential
doi: 10.1103/PhysRevC.90.014615
2013HL01 Phys.Rev. C 88, 064608 (2013) L.Hlophe, Ch.Elster, R.C.Johnson, N.J.Upadhyay, F.M.Nunes, G.Arbanas, V.Eremenko, J.E.Escher, I.J.Thompson Separable representation of phenomenological optical potentials of Woods-Saxon type NUCLEAR REACTIONS 48Ca, 132Sn, 208Pb(n, X), E=0-50 MeV; calculated partial wave S matrices, separable representations of two-body transition matrix elements and potentials. Ernst-Shakin-Thaler (EST) scheme with CH89 potential.
doi: 10.1103/PhysRevC.88.064608
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