NSR Query Results

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NSR database version of April 27, 2024.

Search: Author = D.R.Otomar

Found 11 matches.

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2016GO11      Few-Body Systems 57, 165 (2016)

P.R.S.Gomes, J.Lubian, L.F.Canto, D.R.Otomar, D.R.Mendes, Jr., P.N.de Faria, R.Linares, L.Sigaud, J.Rangel, J.L.Ferreira, E.Ferioli, B.Paes, E.N.Cardozo, M.R.Cortes, M.J.Ermamatov, P.Lotti, M.S.Hussein

Reactions with Weakly Bound Nuclei, at near Barrier Energies, and the Breakup and Transfer Influences on the Fusion and Elastic Scattering

doi: 10.1007/s00601-015-1036-2
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2015OT03      Phys.Rev. C 92, 064609 (2015)

D.R.Otomar, P.R.S.Gomes, J.Lubian, L.F.Canto, M.S.Hussein

Theoretical study of the elastic breakup of weakly bound nuclei at near-barrier energies

NUCLEAR REACTIONS 59Co, 144Sm, 208Pb(7Li, 7Li), (7Li, X), (6Li, 6Li), (6Li, X), E/VB=0.84-1.30; calculated σ(θ) at 33 MeV, integrated, total, Coulomb and nuclear breakup cross sections, ratio between Coulomb and nuclear breakup cross sections as a function of incident beam energy. Breakup of weakly bound nuclei into a two-cluster projectile. Coulomb-nuclear interference. Scaling laws. Continuum discretized coupled channel (CDCC) calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.92.064609
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2013HU09      Phys.Rev. C 88, 047601 (2013)

M.S.Hussein, P.R.S.Gomes, J.Lubian, D.R.Otomar, L.F.Canto

Scaling laws for near-barrier Coulomb and nuclear breakup

NUCLEAR REACTIONS 59Co, 120Sn, 144Sm, 208Pb(6Li, X), E/VB=0.84, 1.0, 1.07, 2.07, 2.99; calculated nuclear breakup σ(E) as function of A and Z for incident beam energy near Coulomb barrier VB, and compared with experimental data; validation by continuum-discretized coupled-channels (CDCC) calculations. Scaling laws.

doi: 10.1103/PhysRevC.88.047601
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2013OT01      Phys.Rev. C 87, 014615 (2013)

D.R.Otomar, P.R.S.Gomes, J.Lubian, L.F.Canto, M.S.Hussein

Nuclear and Coulomb breakup of the weakly bound 6Li nucleus with targets in the range from A=59 to 208

NUCLEAR REACTIONS 59Co(6Li, X), (6Li, 6Li), E=11, 13, 14 MeV; 144Sm(6Li, X), (6Li, 6Li), E=225, 25, 27 MeV; 208Pb(6Li, X), (6Li, 6Li), E=27, 29, 33 MeV; calculated elastic σ(θ, E), breakup σ(θ, E), integrated breakup σ, Coulomb breakup and fusion σ(E). Continuum discretized coupled channel (CDCC) calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.014615
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2013OT03      J.Phys.(London) G40, 125105 (2013)

D.R.Otomar, J.Lubian, P.R.S.Gomes, T.Correa

Breakup following neutron transfer for the 7Li + 144Sm system

NUCLEAR REACTIONS 144Sm(7Li, X), E(cm)<30 MeV; analyzed available σ; calculated σ with CDCC, CDCC+one neutron stripping, and CCBA (sequential breakup, sequential+direct breakup) calculations. Comparison with available data.

doi: 10.1088/0954-3899/40/12/125105
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2012GO18      J.Phys.(London) G39, 115103 (2012)

P.R.S.Gomes, D.R.Otomar, T.Correa, L.F.Canto, J.Lubian, R.Linares, D.H.Luong, M.Dasgupta, D.J.Hinde, M.S.Hussein

Complete fusion enhancement and suppression of weakly bound nuclei at near barrier energies

NUCLEAR REACTIONS 209Bi(6Li, X), (7Li, X), E not given; 144Sm(7Li, X), E∼25 MeV; analyzed available data; calculated the ratio between the complete fusion σ, dynamic polarization potential. Comparison with available data.

doi: 10.1088/0954-3899/39/11/115103
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2012WO01      Nucl.Phys. A873, 17 (2012)

A.E.Woodard, J.M.Figueira, D.R.Otomar, J.O.Fernandez Niello, J.Lubian, A.Arazi, O.A.Capurro, P.Carnelli, L.Fimiani, G.V.Marti, D.Martinez Heimann, D.S.Monteiro, A.E.Negri, A.J.Pacheco, P.R.S.Gomes

Breakup coupling effects on near-barrier inelastic scattering of the weakly bound 6Li projectile on a 144Sm target

NUCLEAR REACTIONS 144Sm(6Li, 6Li'), E=23.0-35.1 MeV; measured E(particle), I(particle, θ) using barrier detector array; deduced σ(θ) to discrete states; calculated σ(θ) to discrete states using CDCC.

doi: 10.1016/j.nuclphysa.2011.10.003
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0678.

2011CR03      Phys.Rev. C 84, 024601 (2011)

E.Crema, D.R.Otomar, R.F.Simoes, A.Barioni, D.S.Monteiro, L.K.Ono, J.M.B.Shorto, J.Lubian, P.R.S.Gomes

Near-barrier quasielastic scattering as a sensitive tool to derive nuclear matter diffuseness

NUCLEAR REACTIONS 60Ni(16O, X), (18O, X), E=30.0-48.0 MeV; measured particle spectra, σ(E), quasielastic excitation functions; deduced quasielastic barrier distributions. Comparison with coupled channel calculations using a double-folding potential calculations.

doi: 10.1103/PhysRevC.84.024601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0658.

2010OT04      Eur.Phys.J. A 46, 285 (2010)

D.R.Otomar, J.Lubian, P.R.S.Gomes

Investigation of breakup effects on 6Li + 144Sm scattering by means of CDCC calculations

NUCLEAR REACTIONS 144Sm(6Li, 6Li), E=21-42.3 MeV; calculated σ(θ). CDCC calculations, comparison with experimental data.

doi: 10.1140/epja/i2010-11040-y
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2009MO03      Phys.Rev. C 79, 014601 (2009)

D.S.Monteiro, O.A.Capurro, A.Arazi, J.O.Fernandez Niello, J.M.Figueira, G.V.Marti, D.Martinez Heimann, A.E.Negri, A.J.Pacheco, V.Guimaraes, D.R.Otomar, J.Lubian, P.R.S.Gomes

Near- and subbarrier elastic and quasielastic scattering of the weakly bound 6Li projectile on 144Sm

NUCLEAR REACTIONS 144Sm(6Li, 6Li), E=14-35 MeV; measured excitation functions. Comparison with coupled-channel calculations.

doi: 10.1103/PhysRevC.79.014601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1664.

2009OT01      Phys.Rev. C 80, 034614 (2009)

D.R.Otomar, J.Lubian, P.R.S.Gomes, D.S.Monteiro, O.A.Capurro, A.Arazi, J.O.Fernandez Niello, J.M.Figueira, G.V.Marti, D.Martinez Heimann, A.E.Negri, A.J.Pacheco, V.Guimaraes, L.C.Chamon

Breakup coupling effects on near-barrier quasi-elastic scattering of 6, 7Li on 144Sm

NUCLEAR REACTIONS 144Sm(6Li, X), E=14-35 MeV; 144Sm(7Li, X), E=12-32 MeV; measured particle spectra, quasi-elastic scattering excitation functions and barrier distributions. Comparison with continuum discretized coupled-channel (CDCC) calculations.

doi: 10.1103/PhysRevC.80.034614
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