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NSR database version of May 3, 2024.

Search: Author = R.Guidotti

Found 22 matches.

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1992GU15      Nuovo Cim. 105A, 1609 (1992)

R.Guidotti, F.Saporetti, A.Ventura

Some Suggestions About the Research of the E2(T = 1) Resonance Excitation by (n, γ) Reaction on Cerium

NUCLEAR REACTIONS ¹⁴⁰Ce(polarized n, γ), (n, γ), E ≈ 4-22 MeV; analyzed σ(θ) data. ¹⁴¹Ce deduced isovector E2 resonance identification possibilities.

doi: 10.1007/BF02731074
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1990GU15      Nucl.Phys. A516, 41 (1990)

R.Guidotti, F.Saporetti, G.Maino, A.Ventura

Microscopic Approach to M1 Radiative Capture of Nucleons

NUCLEAR REACTIONS ²⁰⁸Pb(n, γ), E ≈ 2-6 MeV; calculated σ(θ) difference vs E. Microscopic model.

doi: 10.1016/0375-9474(90)90047-P
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1989GU08      Nuovo Cim. 101A, 111 (1989)

R.Guidotti, F.Saporetti, G.Maino, A.Ventura

On the Distortions of Direct-Semi-Direct Model Predictions for Nucleon Radiative Capture

NUCLEAR REACTIONS ⁴⁰Ca(n, γ), E=10-13 MeV; calculated σ(θ) coefficients vs E; deduced nuclear force range dependence. Direct-semidirect model.

doi: 10.1007/BF02771043
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1988GU02      Nucl.Phys. A480, 253 (1988)

R.Guidotti, F.Saporetti, G.Maino, A.Ventura

Microscopic Effects of the Particle-Vibration Coupling on the Photon Emission in Nucleon Radiative Capture

NUCLEAR REACTIONS ²⁰⁸Pb(n, γ), E ≈ 6-16 MeV; calculated σ(θ), asymmetry coefficients, photon emission probability vs E. Microscopic particle-vibration coupling.

doi: 10.1016/0375-9474(88)90396-X
Citations: PlumX Metrics

1987GU02      Nucl.Phys. A462, 541 (1987)

R.Guidotti, F.Saporetti

Isoscalar and Isovector Quadrupole Resonance Effects in Proton-Gamma-Gamma Angular Correlations

NUCLEAR REACTIONS ¹⁴²Ce(p, 2γ), E=7.5, 10 MeV; calculated pγγ(θ) vs E. ¹⁴³Pr deduced isoscalar, isovector quadrupole resonance effects. Direct-semidirect model.

doi: 10.1016/0375-9474(87)90403-9
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1986GU21      Nuovo Cim. 96A, 323 (1986)

R.Guidotti, F.Saporetti, G.Maino, A.Ventura

Nuclear Shell Effects on the Radial Coupling Form in Collective (N, γ) Processes

NUCLEAR REACTIONS ⁴⁰Ca(n, γ), E=6-18 MeV; calculated σ(E, θ); deduced dipole, quadrupole capture σ(E), shell effects. Direct-semi-direct model.

doi: 10.1007/BF02833893
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1986SA31      Radiat.Eff. 95, 141 (1986)

F.Saporetti, R.Guidotti

Finite and Zero-Range Forces in (p, γ) Reaction

NUCLEAR REACTIONS ¹⁴²Ce(p, γ), E=5-22 MeV; calculated γ-asymmetry ratios. Direct-semidirect model, zero-range, finite-range forces.

doi: 10.1080/00337578608208681
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1985GU16      Nuovo Cim. 90A, 349 (1985)

R.Guidotti, F.Saporetti

Influence of the Nucleon-Nucleon Interaction Range on the Effective-Charge Renormalization in Neutron Radiative Capture

NUCLEAR REACTIONS ⁴⁰Ca(n, γ), E ≈ 0-18 MeV; calculated σ(θ) vs E; deduced nucleon-nucleon interaction range role. DSD model.

doi: 10.1007/BF02734915
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1984SA29      Nucl.Phys. A431, 288 (1984)

F.Saporetti, F.Fabbri, R.Guidotti

Finite-Range Nucleon-Nucleon Interaction in the Radiative Capture of Fast Nucleons

NUCLEAR REACTIONS, ICPND ¹⁴²Ce(p, γ), E=5-30 MeV; calculated radiative capture σ(E). Direct-semidirect model, finite-range interactions.

doi: 10.1016/0375-9474(84)90176-3
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1983SA13      Nucl.Phys. A404, 93 (1983)

F.Saporetti, R.Guidotti

Photon Polarization Effects in Photonuclear Reactions

NUCLEAR REACTIONS ¹⁴¹Pr(polarized γ, p₀), (γ, p₀), E=12-28 MeV; calculated σ(θ, E), analyzing power vs θ, E; deduced photon polarization state dependence. Direct-semidirect model, E1, E2 interference effects.

doi: 10.1016/0375-9474(83)90416-5
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1982SA28      Nucl.Phys. A390, 207 (1982)

F.Saporetti, R.Guidotti

Excitation of the Isovector E2 Giant Resonance in the ¹⁴²Ce(p(pol), γ₀) Reaction

NUCLEAR REACTIONS, ICPND ¹⁴²Ce(polarized p, γ), (p, γ), E=5-28 MeV; calculated σ(E); deduced collective E2 excitation role. Direct-semidirect model.

doi: 10.1016/0375-9474(82)90158-0
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1981SA19      Phys.Lett. 102B, 81 (1981)

F.Saporetti, R.Guidotti

On the Study of the M1 Resonance in the ²⁰⁸Pb(n, γ)Reaction

NUCLEAR REACTIONS ²⁰⁸Pb(n, γ), E not given; calculated Iγ(E, θ). Direct-semidirect model, E1, E2, M1 admixture.

doi: 10.1016/0370-2693(81)91034-0
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1981SA36      Lett.Nuovo Cim. 32, 251 (1981)

F.Saporetti, R.Guidotti

Semi-Direct Model Analysis of the Quadrupole Radiation in the ⁴⁰Ca(n, γ₀)Reaction

NUCLEAR REACTIONS ⁴⁰Ca(n, γ), (polarized n, γ), E=6-16 MeV; calculated σ(θ) vs E. Direct semi-direct model.

doi: 10.1007/BF02799192
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1980SA03      Phys.Lett. 90B, 29 (1980)

F.Saporetti, R.Guidotti

Asymmetry Effects in (p, γ) Reactions Through Isobaric Analog States

NUCLEAR REACTIONS ²⁰⁸Pb(p, γ), E=14-18 MeV; calculated γ(θ) asymmetry. direct-semidirect model, IAR intermediate states.

doi: 10.1016/0370-2693(80)90043-X
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1980SA26      Nucl.Phys. A346, 449 (1980)

F.Saporetti, R.Guidotti

Isobaric Analog State Excitation in Proton Radiative Capture

NUCLEAR REACTIONS ²⁰⁸Pb(p, γ), E=9-18 MeV; calculated σ(θ, E); deduced mechanisms in E1 process. DSD model, capture via IAS.

doi: 10.1016/0375-9474(80)90479-0
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1979RI14      Nucl.Phys. A326, 26 (1979)

F.Rigaud, G.Y.Petit, J.Dalmas, J.L.Irigaray, M.Suffert, F.Saporetti, G.Longo, R.Guidotti

Differential Cross Sections for Radiative Capture of Energetic Protons by ¹¹⁰Cd and ¹¹⁵In

NUCLEAR REACTIONS ¹¹⁰Cd, ¹¹⁵In(p, γ), E=8-22 MeV; measured σ(Ep, θγ). Enriched ¹¹⁰Cd, natural ¹¹⁵In targets.

doi: 10.1016/0375-9474(79)90363-4
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1979SA19      Nucl.Phys. A321, 354 (1979)

F.Saporetti, F.Fabbri, R.Guidotti

Investigation of Giant E3 Resonances in (n, γ) Reactions

NUCLEAR REACTIONS ²⁰⁸Pb(p, γ), E=20-40 MeV; ²⁰⁸Pb(n, γ), E=12-35 MeV; calculated σ(θ). Direct-semidirect model, E1-E3, E2-E3 interference.

doi: 10.1016/0375-9474(79)90131-3
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1979SA28      Nucl.Phys. A330, 53 (1979)

F.Saporetti, R.Guidotti

Polarized Nucleon Radiative Capture in a Giant Multipole Resonance Study

NUCLEAR REACTIONS ²⁰⁸Pb(polarized p, γ), E=16-32 MeV; ²⁰⁹Pb(polarized n, γ), E=14-32 MeV; calculated γ(θ), A(θ, E), E1, E2, E3 giant isovector resonances, direct-semidirect model.

doi: 10.1016/0375-9474(79)90536-0
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1978LO18      Nuovo Cim. 46A, 509 (1978)

G.Longo, F.Saporetti, R.Guidotti

Interference between Dipole and Quadrupole Radiative Capture of Fast Nucleons

NUCLEAR REACTIONS ²⁰⁸Pb(n, γ), (p, γ), E=6-40 MeV; calculated σ(θ). Direct-semidirect model with interference between E1, E2.

doi: 10.1007/BF02776970
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1978SA20      Lett.Nuovo Cim. 22, 202 (1978)

F.Saporetti, R.Guidotti

Nucleon Radiative Capture Through Collective M1 Excitation

NUCLEAR REACTIONS ²⁰⁸Pb(n, γ), E=3.5, 5.5 MeV; calculated σ(θ).

doi: 10.1007/BF02798803
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1978SA22      Phys.Lett. 76B, 15 (1978)

F.Saporetti, G.Longo, R.Guidotti

Investigation of Angular Distributions by the E1-E2 Direct-Semidirect Model

NUCLEAR REACTIONS ²⁰⁸Pb(n, γ), E=5-40 MeV; calculated γ(θ).

doi: 10.1016/0370-2693(78)90087-4
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1978SA27      Nucl.Phys. A311, 284 (1978)

F.Saporetti, R.Guidotti

Giant M1 Resonance in the Direct-Semidirect Model for Nucleon Radiative Capture

NUCLEAR REACTIONS ²⁰⁸Pb(n, γ₀), (p, γ₀), ¹⁴⁰Ce(n, γ₀), (p, γ₀), E=2-10 MeV; calculated σ, γ(θ) extending direct-semidirect model for nucleon radiative capture via E1, E2 resonances to collective M1 excitation.

doi: 10.1016/0375-9474(78)90516-X
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