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NSR database version of May 10, 2024.

Search: Author = E.Ferreira

Found 23 matches.

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2018FE01      Phys.Rev. C 97, 014003 (2018)

E.Ferreira, A.K.Kohara, J.Sesma

Exact treatment of dispersion relations in pp and pp-bar elastic scattering

NUCLEAR REACTIONS 1H(p, p), 1H(p-bar, p-bar), E not given; calculated dispersion relations of pp and pp-bar elastic scattering amplitudes by providing proofs of exact analytical solutions for general principal value integrations of dispersive relations, based on properties of Lerch's transcendent in mathematics. Improvement in the phenomenology of the hadronic interactions.

doi: 10.1103/PhysRevC.97.014003
Citations: PlumX Metrics

2007DO15      Nucl.Phys. A790, 623c (2007)

H.G.Dosch, E.Ferreira

Unified treatment of electroproduction for all vector mesons

NUCLEAR REACTIONS 1H(γ, X), E=90 GeV; analyzed integrated vector meson production σ, form factor and ratio longitudinal and transverse σ for ρ production. 1H(γ, X), E≈15-300 GeV; analyzed σ(E) for J/Ψ production. Comparison with data and model calculations.

doi: 10.1016/j.nuclphysa.2007.03.105
Citations: PlumX Metrics

2007FE01      Nucl.Phys. A782, 49c (2007)

E.Ferreira

Elastic photo and electroproduction of vector mesons

NUCLEAR REACTIONS 1H(e, e'X), E=high; calculated vector meson production σ(θ).

doi: 10.1016/j.nuclphysa.2006.10.063
Citations: PlumX Metrics

2005FE03      Nucl.Phys. A748, 608 (2005)

E.Ferreira, V.L.Baltar

Factorization of the Q2 dependence in electroproduction of vector mesons

NUCLEAR REACTIONS 1H(e, e'X), E=high; analyzed vector meson production σ. Stochastic vacuum model.

doi: 10.1016/j.nuclphysa.2004.12.040
Citations: PlumX Metrics

2003DO06      Eur.Phys.J. C 29, 45 (2003)

H.G.Dosch, E.Ferreira

Nonperturbative QCD treatment of J/ψ photoproduction

NUCLEAR REACTIONS 1H(γ, X), E < 1000 GeV; calculated J/ψ production σ, σ(t). Nonperturbative QCD.

doi: 10.1140/epjc/s2003-01215-4
Citations: PlumX Metrics

2003DO16      Phys.Lett. B 576, 83 (2003)

H.G.Dosch, E.Ferreira

Exclusive electroproduction of J/ψ mesons

NUCLEAR REACTIONS 1H(e, e'X), E=high; calculated J/ψ production σ. Nonperturbative approach, comparison with data.

doi: 10.1016/j.physletb.2003.09.087
Citations: PlumX Metrics

2001GO08      Phys.Lett. 500B, 87 (2001)

E.Gotsman, E.Ferreira, E.Levin, U.Maor, E.Naftali

Scaling Violations in the Q2 Logarithmic Derivative of F2

NUCLEAR STRUCTURE 1H; analyzed F2(Q2) structure function data; deduced no gluon saturation signal.

doi: 10.1016/S0370-2693(01)00066-1
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2001GO14      Phys.Lett. 503B, 277 (2001)

E.Gotsman, E.Ferreira, E.Levin, U.Maor, E.Naftali

Screening Corrections in Photo and DIS Production of J/ψ

NUCLEAR REACTIONS 1H(γ, X), (e, e'X), E=high; calculated J/ψ production σ, screening corrections. Comparison with data.

doi: 10.1016/S0370-2693(01)00224-6
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2000PE07      Phys.Rev. D61, 077507 (2000)

F.Pereira, E.Ferreira

Zeros, Dips, and Sign in pp and p(p-bar) Elastic Amplitudes

NUCLEAR REACTIONS 1H(p, p), E(cm)=19.4-62.5 GeV; analyzed σ(θ); deduced parameters. 1H(p-bar, p-bar), E(cm)=19.4-62.5 GeV; calculated σ(θ); deduced perturbative QCD contributions.

doi: 10.1103/PhysRevD.61.077507
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1999FE11      Phys.Lett. 470B, 200 (1999)

E.Ferreira, U.Maor

An Investigation of a Possible Hard Contribution to φ Photoproduction

NUCLEAR REACTIONS 1H(γ, X), E(cm)=6-70 GeV; analyzed φ meson production σ; deduced hard perturbative QCD contribution.

doi: 10.1016/S0370-2693(99)01287-3
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1998PE14      Phys.Rev. D59, 014008 (1998)

F.Pereira, E.Ferreira

Eikonal Profile Functions and Amplitudes for pp and (p-bar)p Scattering

NUCLEAR REACTIONS 1H(p, p), E(cm)=23.5-62.5 GeV; 1H(p-bar, p-bar), E(cm)=541, 1800 GeV; analyzed σ(t); deduced parameters, eikonal profile functions. Model of the stochastic vacuum.

doi: 10.1103/PhysRevD.59.014008
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1989FE04      Phys.Rev. C40, 1750 (1989)

E.Ferreira, H.G.Dosch

Deuteron Polarization Observables and the ΔN Interaction

NUCLEAR REACTIONS 2H(π, π), E=134-294 MeV; calculated vector, tensor analyzing power vs θ. 2H(π, π), E=219 MeV; calculated σ(θ). Deuteron polarization, ΔN-interaction.

doi: 10.1103/PhysRevC.40.1750
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1987FE03      J.Phys.(London) G13, L39 (1987)

E.Ferreira, S.C.B.Andrade, H.G.Dosch

The Short-Range Delta-Nucleon Interaction

NUCLEAR REACTIONS 2H(π, π), E=219, 256, 294 MeV; calculated σ(θ), iT11(θ). Short-range Δ-nucleon interaction.

doi: 10.1088/0305-4616/13/4/002
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1987FE06      Phys.Rev. C36, 1916 (1987)

E.Ferreira, S.C.B.de Andrade, H.G.Dosch

Short Range Delta-Nucleon Interaction in Pion-Deuteron Elastic Scattering

NUCLEAR REACTIONS 2H(π, π), E=125-275 MeV; analyzed σ(E), σ(θ), vector analyzing power vs θ; deduced short-range isobar-nucleon interaction effects.

doi: 10.1103/PhysRevC.36.1916
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1986AN17      Phys.Rev. C34, 226 (1986)

S.C.B.Andrade, E.Ferreira, H.G.Dosch

ΔN Interaction and πd Observables

NUCLEAR REACTIONS 2H(π, π), E=142, 180, 256 MeV; calculated σ(θ), vector analyzing power vs θ, t20(θ); deduced isobar-nucleon interaction.

doi: 10.1103/PhysRevC.34.226
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1986PE16      J.Phys.(London) G12, 1389 (1986)

F.Periera, E.Ferreira

On the Determination of Observables in πd Scattering

NUCLEAR REACTIONS 2H(π, π), E=142, 180, 256 MeV; calculated recoil polarization observables. Tensor polarized target. Isobar-nucleon interaction effects, Faddeev calculations.

doi: 10.1088/0305-4616/12/12/017
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1985DO12      Phys.Rev. C32, 496 (1985)

H.G.Dosch, E.Ferreira

Dynamical Evaluation of πd-Dibaryon Coupling Parameters

NUCLEAR REACTIONS 2H(π, π), E=142-560 MeV; calculated vertex functions, dibaryon coupling parameters.

doi: 10.1103/PhysRevC.32.496
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1984DO08      Phys.Rev. C29, 2254 (1984)

H.G.Dosch, E.Ferreira

Vertex Function for Pion-Deuteron-Dibaryon Coupling

NUCLEAR REACTIONS 2H(π, π), E ≈ resonance; calculated scattering amplitude correction, dibaryon vertex function; deduced dibaryon resonance role in L=1 partial wave. Diagrammatic approach.

doi: 10.1103/PhysRevC.29.2254
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1983FE02      J.Phys.(London) G9, 169 (1983)

E.Ferreira, G.A.Perez Munguia

Dibaryon Resonances and the Pion-Deuteron Cross Section

NUCLEAR REACTIONS 2H(π, π), E=75-350 MeV; analyzed σ(total) vs E; deduced dibaryon resonance parameters.

doi: 10.1088/0305-4616/9/2/009
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1977BR14      Phys.Lett. 68B, 139 (1977)

D.D.Brayshaw, E.Ferreira

Constrained Phase Analysis of Pion-Deuteron Scattering

NUCLEAR REACTIONS 2H(π, π), E=85, 182 MeV; calculated σ(θ).

doi: 10.1016/0370-2693(77)90186-1
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1977FE02      Lett.Nuovo Cim. 18, 55 (1977)

E.M.Ferreira, L.Pinguelli Rosa, Z.D.Thome

Kinematical Ambiguities in Scattering by Deuteron

NUCLEAR REACTIONS 2H(π, π), E < 400 MeV; calculated σ(E, θ).

doi: 10.1007/BF02780573
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1977FE15      Phys.Rev. C16, 2353 (1977)

E.M.Ferreira, L.Pinguelli Rosa, Z.D.Thome

Scattering of Pions by Deuterons at Low and Medium Energies

NUCLEAR REACTIONS 2H(π-, π-), E < 400 MeV; calculated σ(E, θ).

doi: 10.1103/PhysRevC.16.2353
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1974FE04      Lett.Nuovo Cim. 9, 707 (1974)

E.Ferreira, L.Pinguelli Rosa, Z.D.Thome Filho

Pion-Deuteron Backward Scattering in the Resonance Region

NUCLEAR REACTIONS 2H(π, π); calculated σ in 3-3 resonance region.

doi: 10.1007/BF02763398
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Note: The following list of authors and aliases matches the search parameter E.Ferreira: , E.M.FERREIRA