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NSR database version of April 29, 2024.

Search: Author = J.S.Lopes

Found 21 matches.

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1989JE05      J.Phys.(London) B22, 65 (1989)

A.P.Jesus, J.P.Ribeiro, I.B.Niza, J.S.Lopes

L3-Subshell Alignment of Au Induced by Proton, Deuteron and Alpha-Particle Impact

NUCLEAR REACTIONS 197Au(p, X), (d, X), (α, X), E=0.2-1 MeV/nucleon; measured L X-ray anisotropy; deduced L-subshell alignment for Au.

ATOMIC PHYSICS 197Au(p, X), (d, X), (α, X), E=0.2-1 MeV/nucleon; measured L X-ray anisotropy; deduced L-subshell alignment for Au.

doi: 10.1088/0953-4075/22/1/009
Citations: PlumX Metrics

1987JE01      J.Phys.(London) B20, 95 (1987)

A.P.Jesus, J.P.Ribeiro, J.S.Lopes

Low-Velocity Effects in L-Subshell Ionisation of Ta and W Induced by Proton, Deuteron and Alpha Impact

ATOMIC PHYSICS Ta, W(p, X), E=0.2-9 MeV/nucleon; Ta, W(d, X), E=0.2-0.45 MeV/nucleon; measured L X-ray production σ; deduced low velocity effects.

doi: 10.1088/0022-3700/20/1/014
Citations: PlumX Metrics

1987JE04      J.Phys.(Paris), Colloq.C-9, 235 (1987)

A.P.Jesus, J.P.Ribeiro, J.S.Lopes

L Subshell Ionization of Eu and Gd by Proton, Deuteron and Alpha Bombardment

NUCLEAR REACTIONS Eu, Gd(p, X), (d, X), E=0.2-0.9 MeV/nucleon; Eu, Gd(α, X), E=0.2-0.45 MeV/nucleon; measured L X-ray production σ; deduced subshell ionization σ.

1985JE02      J.Phys.(London) B18, 2453 (1985)

A.P.Jesus, J.S.Lopes, J.P.Ribeiro

L-Shell X-Ray Production Cross Sections for Au, Pb and U by Proton, Deuteron and Alpha Impact

NUCLEAR REACTIONS 197Au, Pb, U(p, X), (d, X), E=0.2-0.9 MeV/nucleon; 197Au, Pb, U(α, X), E=0.2-0.45 MeV/nucleon; measured absolute L X-ray production σ.

doi: 10.1088/0022-3700/18/12/021
Citations: PlumX Metrics

1983JE06      Nucl.Instrum.Methods 214, 29 (1983)

A.P.Jesus, I.R.Pimentel, J.S.Lopes

The Binding Effect in Alpha- and Deuteron-Induced L-Shell X-Ray Production in the Z = 32-47 Region

ATOMIC PHYSICS Ge, Br, Zr, Mo, Ag(α, X), (d, X), E=0.2-0.45 MeV/nucleon; measured total L-shell X-ray production σ.

doi: 10.1016/0167-5087(83)90536-7
Citations: PlumX Metrics

1982JE01      Nucl.Instrum.Methods 192, 25 (1982)

A.P.Jesus, J.S.Lopes

Nuclear Coulomb, Energy-Loss and Relativistic Effects in Proton- and Deuteron-Induced K-Shell Ionisation

ATOMIC PHYSICS In, Sb, Ce(p, X), (d, X), E=0.3-1 MeV/nucleon; measured E(K X-ray), I(K X-ray), production σ; deduced nuclear, Coulomb energy loss, relativistic effects on K-shell ionization.

doi: 10.1016/0029-554X(82)90736-4
Citations: PlumX Metrics

1982LO20      J.Phys.(London) B15, 1749 (1982)

J.S.Lopes, A.P.Jesus, M.F.da Silva

The Binding Effect in Deuteron- and Alpha-Induced K-Shell Ionisation

ATOMIC PHYSICS Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu(d, X), (α, X), E=0.2-0.45 MeV/nucleon; measured σ(ionization), ratios; deduced binding effect.

doi: 10.1088/0022-3700/15/11/019
Citations: PlumX Metrics

1980LO04      Nucl.Instrum.Methods 169, 311 (1980)

J.S.Lopes, A.P.Jesus, S.C.Ramos

K-Shell Ionisation Cross Sections for Co, Ni, Cu, Zn, Ge and Se by Protons of 0.2-2 MeV

NUCLEAR REACTIONS Co, Ni, Cu, Zn, Ge, Se(p, p'), E=0.2-2 MeV; measured E(X), I(X-ray), σ(Ep); deduced K-shell ionization σ. Thin targets.

doi: 10.1016/0029-554X(80)90092-0
Citations: PlumX Metrics

1968BE30      Nucl.Phys. A118, 481(1968)

R.A.I.Bell, R.D.Gill, B.C.Robertson, J.S.Lopes, H.J.Rose

Electromagnetic Transitions in 11B and 14C

NUCLEAR REACTIONS 12C(t, α), (t, p), E=7.48, 7.68 MeV; measured Iγ(Eα, Eγ, θ(αγ)), Iγ(Ep, Eγ, θ(pγ)). 11B, 14C levels; deduced J, γ-branching, delta. Natural target.

doi: 10.1016/0375-9474(68)90434-X
Citations: PlumX Metrics

1968GI01      Nucl.Phys. A106, 678 (1968)

R.D.Gill, J.S.Lopes, B.C.Robertson, R.A.I.Bell, H.J.Rose

A Study of Positive-Parity States in 15O

NUCLEAR REACTIONS 16O(3He, αγ), E = 9.1 MeV; measured σ(Eα, Eγ, θ(αγ)). 15O levels deduced J, delta. Natural target.

doi: 10.1016/0375-9474(68)90523-X
Citations: PlumX Metrics

1968GI04      Nucl.Phys. A114, 416(1968)

R.D.Gill, G.P.Littlewood, J.S.Lopes, H.J.Rose

Electromagnetic Properties of Low-Lying Levels of 31Si

NUCLEAR REACTIONS 30Si(d, pγ), E=2.95-4.00 MeV; measured σ(Ep, θ(p)=180°, θ(γ)). 31Si deduced levels J, delta. Enriched target.

doi: 10.1016/0375-9474(68)90364-3
Citations: PlumX Metrics

1968GI11      Nucl.Phys. A121, 209 (1968)

R.D.Gill, J.S.Lopes, O.Hausser, H.J.Rose

Lifetime Measurements in Mass-15 Nuclei

NUCLEAR REACTIONS 2H(14N, 15O), 2H(14N, 15N), E=21.8 MeV; measured Eγ, Doppler shift attenuation. 15N, 15O levels deduced T1/2. Enriched targets, Ge(Li) detector.

doi: 10.1016/0375-9474(68)90509-5
Citations: PlumX Metrics

1968LO03      Nucl.Phys. A109, 241(1968)

J.S.Lopes, B.C.Robertson, R.D.Gill, R.A.I.Bell, H.J.Rose

Electromagnetic Properties of 39K Bound States

NUCLEAR REACTIONS 42Ca(p, αγ), E=10.6-11.1 MeV; 39K(p, p'γ), E=7.12-8.51 MeV; measured σ(E; Eγ, θ(γ)). 39K, deduced J, multipole mixing ratios. Enriched targets.

doi: 10.1016/0375-9474(68)90592-7
Citations: PlumX Metrics

1967GI07      Nucl.Phys. A98, 129(1967)

R.D.Gill, O.Hausser, J.S.Lopes, H.J.Rose

The Decay of the 8.88 MeV Level in 16O

NUCLEAR REACTIONS 19F(p, αγ), E = 7.4 MeV; measured σ(Eα, Eγ, θ(αγ)). 16O deduced levels, branching, transition mixing ratios.

doi: 10.1016/0375-9474(67)90904-9
Citations: PlumX Metrics

1966HA30      Nucl.Phys. 84, 683(1966)

O.Hausser, R.D.Gill, J.S.Lopes, H.J.Rose

Gamma Rays from Positive Parity States in 15N

NUCLEAR REACTIONS 18O(p, αγ), E = 8.50-9.25 MeV; measured σ(Eα, θ(α) = 180°, θ(γ)). 15N deduced J, mixing ratios. Enriched target.

doi: 10.1016/0029-5582(66)91025-X
Citations: PlumX Metrics

1966HA31      Phys.Letters 22, 604 (1966)

O.Hausser, H.J.Rose, J.S.Lopes, R.D.Gill

Comparison of Signs of Mixing Ratios to Model Predictions

NUCLEAR STRUCTURE 15N, 16O, 14N, 18F; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0031-9163(66)90674-3
Citations: PlumX Metrics

1966LO02      Nucl.Phys. 76, 223 (1966)

J.S.Lopes, O.Hausser, H.J.Rose, A.R.Poletti, M.F.Thomas

The 3/2 → 1/2 Hole Transitions in Mass 15

NUCLEAR REACTIONS 16O(3He, αγ), E = 8.1 MeV, natural target; 18O(p, αγ), E = 8.6 MeV, enriched target; measured σ(Eα, θ(α) = 180°, θ(γ)). 15O, 15N deduced J, γ-mixing.

doi: 10.1016/0029-5582(66)90970-9
Citations: PlumX Metrics

1966LO12      Nucl.Phys. 89, 127(1966)

J.S.Lopes, O.Hausser, R.D.Gill, H.J.Rose

Properties of Bound States of 18O Above the 4.45 MeV State

NUCLEAR REACTIONS 18O(p, p'γ), E = 7.9-10.0 MeV; measured σ(Ep, θ(p) = 180°, θ(γ)), Eγ, Iγ. 18O deduced J, π, multipolarity mixing ratios. Enriched target.

doi: 10.1016/0029-5582(66)90849-2
Citations: PlumX Metrics

1966TH02      Nucl.Phys. 78, 298(1966)

M.F.Thomas, J.S.Lopes, R.W.Ollerhead, A.R.Poletti, E.K.Warburton

A Study of Some Excited States of 19F by an Angular Correlation Technique

NUCLEAR REACTIONS 19F(p, p'γ), E=7.5-8.5 MeV; measured σ(E, Ep', Eγ), p'γ(θ). 19F deduced levels, J, γ-mixing. Natural target.

doi: 10.1016/0029-5582(66)90609-2
Citations: PlumX Metrics

1965OL02      Nucl.Phys. 66, 161(1965)

R.W.Ollerhead, J.S.Lopes, A.R.Poletti, M.F.Thomas, E.K.Warburton

Angular Correlation Measurements in the O18(p, p'γ)O18 Reaction

NUCLEAR REACTIONS 18O(p, p'γ), E = 7-9 MeV; measured σ(E, Ep'), p'γ-coin, p'γ(θ). 18O levels deduced J, γ-mixing. Enriched target.

doi: 10.1016/0029-5582(65)90140-9
Citations: PlumX Metrics

1965WA06      Phys.Rev. 138, B104 (1965)

E.K.Warburton, J.S.Lopes, R.W.Ollerhead, A.R.Poletti, M.F.Thomas

Angular-Correlation Studies for the C12(He3, αγ)C11, C12(He3, pγ)N14, and O18(p, αγ)N15 Reactions

NUCLEAR STRUCTURE 18O, 12C; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.138.B104
Citations: PlumX Metrics

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