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NSR database version of May 23, 2024.

Search: Author = P.Silveira-Gomes

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2019CR04      Phys.Rev. C 99, 054623 (2019)

E.Crema, V.A.B.Zagatto, J.M.B.Shorto, B.Paes, J.Lubian, R.F.Simoes, D.S.Monteiro, J.F.P.Huiza, N.Added, M.C.Morais, P.R.S.Gomes

Reaction mechanisms of the 160 + 65Cu system

NUCLEAR REACTIONS 65Cu(16O, X), (16O, 16O), E=30.0-48.0 MeV; 16O(65Cu, 69Ga)12C, E=30.0-48.0 MeV; measured projectile-like fragments (PLFs), σ(E, θ), quasielastic barrier distributions using E-ΔE proportional telescope for particle detection at the Sao Paulo University Pelletron Accelerator Facility; analyzed previous experimental results for excitation functions and quasielastic barrier distributions in 63Cu(16O, X), (18O, X) and 65Cu(16O, X) reactions. Comparison with large-scale coupled-channel, and coupled-reaction-channel calculations.

doi: 10.1103/PhysRevC.99.054623
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0957.


2019CR07      Phys.Rev. C 100, 054608 (2019)

E.Crema, B.Paes, V.A.B.Zagatto, J.F.P.Huiza, J.Lubian, J.M.B.Shorto, R.F.Simoes, D.S.Monteiro, N.Added, M.C.Morais, P.R.S.Gomes

Strong neutron-transfer coupling effects in the reaction mechanism of the 18O + 64Zn system at energies near the Coulomb barrier

NUCLEAR REACTIONS 64Zn(18O, 18O'), (18O, 16O)66Zn, (18O, 17O)65Zn, (18O, 15N)67Ga, (18O, 14N)68Ga, E=30-45 MeV; measured reaction products using a gas E-ΔE Si detector at the Pelletron laboratory of the University of Sao Paulo; deduced quasielastic σ(E) and barrier distribution (QEBD), σ(Ex) for states in 66Zn, 67Ga, 68Ga for the 2n-, α-, and triton-transfer reactions, respectively. 64Zn(16O, 16O'), (16O, X), (17O, 17O'), (17O, X), E=30-45 MeV; analyzed data for quasielastic σ(E) and barrier distributions. Comparison with coupled reaction channel (CRC) calculations.

doi: 10.1103/PhysRevC.100.054608
Citations: PlumX Metrics


2019ZA08      Phys.Rev. C 100, 044602 (2019)

V.A.B.Zagatto, E.Crema, J.M.B.Shorto, M.C.Morais, J.Lubian, N.Added, R.F.Simoes, D.S.Monteiro, J.F.P.Huiza, B.Paes, P.R.S.Gomes

Scattering of 16, 18O beams on 63, 65Cu targets: A systematic study of different reaction channels

NUCLEAR REACTIONS 65Cu(18O, 18O'), E=30-48 MeV; measured reaction products, 18O spectra, σ(E), excitation functions at the Pelletron 8UD accelerator of the Sao Paulo University; deduced quasielastic barrier distributions (QEBD). 63,65Cu(18O, 18O'), (16O, 16O'), E/VB=0.7-1.2 MeV; 63,65Cu(18O, 16O), E(cm)=25-40 MeV; 65Cu(18O, 19F), (18O, 14C), E(cm)=25-40 MeV; analyzed experimental data using coupled reaction channel calculations; deduced proton pickup, two neutron and α-stripping reaction channel excitation functions.

doi: 10.1103/PhysRevC.100.044602
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2018CR04      Phys.Rev. C 98, 044614 (2018)

E.Crema, V.A.B.Zagatto, J.M.B.Shorto, B.Paes, J.Lubian, R.F.Simoes, D.S.Monteiro, J.F.P.Huiza, N.Added, M.C.Morais, P.R.S.Gomes

Reaction mechanisms of the 180 + 63Cu system at near-barrier energies

NUCLEAR REACTIONS 63Cu(18O, 18O), (18O, 17O), (18O, 16O), (18O, 19F), (18O, 14C), E=30.0-48.0 MeV; measured reaction products, σ(E) for quasielastic and for 2n-, p- and α-transfer channels using ΔE-E telescopes at the Pelletron Laboratory of the University of Sao Paulo; deduced quasielastic barrier distributions, and that two-neutron transfer process much more relevant than the one-neutron-transfer process; calculated spectroscopic amplitudes using large-scale shell-model. Comparison of σ(E) data with coupled channel (CC) and coupled reaction channel (CRC) calculations using FRESCO code.

doi: 10.1103/PhysRevC.98.044614
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0986.


2016FA04      Phys.Rev. C 93, 034615 (2016)

Y.D.Fang, P.R.S.Gomes, J.Lubian, J.L.Ferreira, D.R.Mendes, Jr., X.H.Zhou, M.L.Liu, N.T.Zhang, Y.H.Zhang, G.S.Li, J.G.Wang, S.Guo, Y.H.Qiang, B.S.Gao, Y.Zheng, X.G.Lei, Z.G.Wang

One-neutron stripping from 9Be to 169Tm, 181Ta, and 187Re at near-barrier energies

NUCLEAR REACTIONS 169Tm(9Be, 8Be)170Tm, E=32.1-48.0; 181Ta(9Be, 8Be)182Ta, E=32.5-50.3 MeV; 187Re(9Be, 8Be)188Re, E=32.9-49.1 MeV; measured Eγ, Iγ, one-neutron stripping σ(E) by γ-activation method, half-life of 188Re β- decay at HIRF, Lanzhou facility; deduced σ(transfer)/σ(complete fusion) using previous experimental data for fusion. Comparison with coupled reaction channel (CRC) calculations.

doi: 10.1103/PhysRevC.93.034615
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0185.


2016GO06      Phys.Rev. C 93, 024604 (2016)

A.Gomez Camacho, A.Diaz-Torres, P.R.S.Gomes, J.Lubian

Impact of 6Li resonances on the near-barrier elastic scattering with 144Sm

NUCLEAR REACTIONS 144Sm(6Li, 6Li), E=22, 23, 26, 30 MeV; calculated σ(θ, E); deduced effect of α+d resonances in 6Li with L=2 and Jπ=3+, 2+, 1+ on elastic cross sections at incident energies near the Coulomb barrier. Converged continuum discretized coupled-channel (CDCC) calculations. Comparison to experimental data.

doi: 10.1103/PhysRevC.93.024604
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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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2016GO12      Few-Body Systems 57, 205 (2016)

P.R.S.Gomes, D.R.Mendes, Jr., L.F.Canto, J.Lubian, P.N.de Faria

Reduction Methods for Total Reaction Cross Sections

doi: 10.1007/s00601-015-1042-4
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2016GU16      Phys.Rev. C 94, 044605 (2016)

M.F.Guo, G.L.Zhang, P.R.S.Gomes, J.Lubian, E.Ferioli

Negligible suppression of the complete fusion of 6, 7Li on light targets, at energies above the barrier

NUCLEAR REACTIONS 12,13C, 16O, 24Mg(6Li, X), (7Li, X), E=2-12 MeV; calculated complete fusion σ(E) using coupled-channel (CC) approach. Comparison with from predictions of the statistical evaporation code CASCADE, and with experimental values. Discussed breakup process and breakup threshold anomaly (BTA).

doi: 10.1103/PhysRevC.94.044605
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2016HU01      Phys.Rev. C 93, 014621 (2016)

S.P.Hu, G.L.Zhang, J.C.Yang, H.Q.Zhang, P.R.S.Gomes, J.Lubian, J.L.Ferreira, X.G.Wu, J.Zhong, C.Y.He, Y.Zheng, C.B.Li, G.S.Li, W.W.Qu, F.Wang, L.Zheng, L.Yu, Q.M.Chen, P.W.Luo, H.W.Li, Y.H.Wu, W.K.Zhou, B.J.Zhu, H.B.Sun

One-neutron stripping processes to excited states of the 6Li + 96Zr reaction at near-barrier energies

NUCLEAR REACTIONS 96Zr(6Li, X)97Zr, E=14-28 MeV; measured particle spectra of α, protons and deuterons from break-up process, Eγ, Iγ, γγ-coin, fusion σ(E) for one-neutron stripping reaction at HI-13 Tandem Accelerator of CIAE-Beijing. Breakup of 6Li. 97Zr; deduced levels, J, π. No evidence of two-neutron transfer. Comparison of fusion σ(E) with coupled reaction channel (CRC) calculations for the one-neutron stripping of 6Li.

NUCLEAR STRUCTURE 96,97Zr; calculated levels, J, π, spectroscopic amplitudes using shell-model with NUSHELLX code; deduced coupling scheme between 96Zr target and 97Zr final nucleus. Comparison with experimental data.

doi: 10.1103/PhysRevC.93.014621
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0186.


2016KA16      Phys.Rev. C 93, 044605 (2016)

S.Kalkal, E.C.Simpson, D.H.Luong, K.J.Cook, M.Dasgupta, D.J.Hinde, I.P.Carter, D.Y.Jeung, G.Mohanto, C.S.Palshetkar, E.Prasad, D.C.Rafferty, C.Simenel, K.Vo-Phuoc, E.Williams, L.R.Gasques, P.R.S.Gomes, R.Linares

Asymptotic and near-target direct breakup of 6Li and 7Li

NUCLEAR REACTIONS 58Ni(6Li, X), (7Li, X), E=13.07 MeV; 64Zn(6Li, X), E=13.55 MeV; 64Zn(7Li, X), E=13.60 MeV; measured energy, position, and time of flight (TOF) of the charged breakup fragments in coincidence mode using BALiN array, spectra of α-d and α-t breakup pairs at ANU Heavy Ion accelerator facility; deduced prompt and asymptotic breakups, probability of populating the excitation energies above the breakup threshold for 3+ resonant states of 6Li, excitation energy dependent mean-lives, β versus θ12 distributions, asymptotic, near-target, and total direct breakup differential σ(θ). Simulations using a modified version of Monte Carlo classical trajectory model code PLATYPUS.

doi: 10.1103/PhysRevC.93.044605
Citations: PlumX Metrics


2016RA18      Phys.Rev. C 93, 054610 (2016)

J.Rangel, J.Lubian, L.F.Canto, P.R.S.Gomes

Effect of Coulomb breakup on the elastic cross section of the 8B proton-halo projectile on a heavy, 208Pb target

NUCLEAR REACTIONS 208Pb(8B, 8B), (8B, X), E=170.3, 60, 44 MeV; calculated elastic, breakup and non-capture breakup differential σ(θ), polarization potentials, ground-state wavefunction of relative motion of the halo nucleon with respect to the core. Compared effects of the breakup channel in proton-halo and neutron-halo nuclei. Comparison with available experimental data. Continuum discretized coupled-channel (CDCC) calculations.

doi: 10.1103/PhysRevC.93.054610
Citations: PlumX Metrics


2016SA23      Phys.Rev. C 93, 054613 (2016)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, A.Diaz-Torres, P.R.S.Gomes, H.Lenske

Experimental elastic and quasi-elastic angular distributions provide transfer probabilities

NUCLEAR REACTIONS 206Pb(18O, 16O), E=79 MeV; calculated two-neutron transfer probabilities using experimental data for elastic and quasielastic probabilities in 18O+206Pb and 16O+208Pb reactions. Comparison with experimental data for two-neutron transfer reaction.

doi: 10.1103/PhysRevC.93.054613
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2015CA10      Phys.Rev. C 92, 014626 (2015)

L.F.Canto, D.R.Mendes, Jr., P.R.S.Gomes, J.Lubian

Reduction of fusion and reaction cross sections at near-barrier energies

NUCLEAR REACTIONS 27Al, 64Zn(7Li, X), 209Bi(6Li, X), 144,154Sm(16O, X), 208Pb(40Ca, X), E not given; calculated reduced fusion excitation functions. 9Be(6He, X), 27Al(6He, X), (6Li, X), (7Li, X), (7Be, X), (9Be, X), (16O, X), 40Ca(16O, X), 58Ni(α, X), (6He, X), (6Li, X), (7Be, X), (8B, X), (16O, X), (18O, X), (64Ni, X), 90Zr(6Li, X), 64Zn(9Be, X), (10Be, X), (11Be, X), 120Sn(α, X), (6He, X), (16O, X), 138Ba(6Li, X), (7Li, X), (16O, X), 144Sm(α, X), (9Be, X), (16O, X), 154Sm(16O, X), 197Au(α, X), 208Pb(α, X), (6He, X), (9Be, X), (12C, X), (16O, X), (17F, X), 209Bi(α, X), (6He, X), (6Li, X), (7Li, X), (11B, X), (12C, X), (16O, X), E not given; analyzed experimental fusion reaction cross section data by traditional, and fusion function methods. Single-channel calculations based on standard optical potentials and fusion function method.

doi: 10.1103/PhysRevC.92.014626
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2015FA02      Phys.Rev. C 91, 014608 (2015)

Y.D.Fang, P.R.S.Gomes, J.Lubian, M.L.Liu, X.H.Zhou, D.R.Mendes, Jr, N.T.Zhang, Y.H.Zhang, G.S.Li, J.G.Wang, S.Guo, Y.H.Qiang, B.S.Gao, Y.Zheng, X.G.Lei, Z.G.Wang

Complete and incomplete fusion of 9Be + 169Tm, 187Re at near-barrier energies

NUCLEAR REACTIONS 169Tm(9Be, X)171Lu/172Lu/173Hf/173Ta/174Ta/175Ta, E=32.1-48.0 MeV; 187Re(9Be, X)188Re/189Ir/190gIr/190mRe/191Au/192Au/193Au, E=34.2-49.1 MeV; measured Eγ, Iγ, complete and incomplete fusion (CF and ICF) σ(E) at the HIRFL-Lanzhou facility; deduced Coulomb barrier energy. Comparison with coupled-channel calculations using FRESCO code, not including the breakup channel.

doi: 10.1103/PhysRevC.91.014608
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0197.


2015GO02      Phys.Rev. C 91, 014607 (2015)

A.Gomez Camacho, A.Diaz-Torres, P.R.S.Gomes, J.Lubian

Effect of 6Li resonances on near-barrier elastic scattering involving 28Si and 58Ni target nuclei

NUCLEAR STRUCTURE 6Li; calculated levels, resonances, J, π, and compared with experimental values.

NUCLEAR REACTIONS 28Si(6Li, 6Li), E=9, 11, 13, 20, 27, 30, 99 MeV; 58Ni(6Li, 6Li), E=11, 12, 14, 16, 18, 99 MeV; calculated elastic σ(E, θ), polarization potentials. Continuum-discretized coupled-channel (CDCC) calculations using the FRESCO code by including ground, resonant, and nonresonant continuum states of 6Li. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.014607
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2015GO05      Phys.Rev. C 91, 044610 (2015)

A.Gomez Camacho, N.Yu, H.Q.Zhang, P.R.S.Gomes, H.M.Jia, J.Lubian, C.J.Lin

Energy dependence of the optical potentials for the 9Be+208Pb and 9Be+209Bi systems at near-Coulomb-barrier energies

NUCLEAR REACTIONS 208Pb(9Be, 9Be), (9Be, X), E=37, 37.8.38, 38.2, 38.5, 38.7, 39, 39.5, 40, 41, 42, 44, 47.2, 50 MeV; 209Pb(9Be, 9Be), (9Be, X), E=37, 37.8.38, 38.2, 38.5, 38.7, 39, 39.5, 40, 41, 42, 44 MeV; analyzed elastic scattering σ(θ), fusion σ(E), fusion and direct reaction polarization potentials, no conclusive for the presence of threshold anomaly (TA) or the breakup threshold anomaly (BTA). Optical potential model.

doi: 10.1103/PhysRevC.91.044610
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2015GU16      Phys.Rev. C 92, 014615 (2015)

C.L.Guo, G.L.Zhang, S.P.Hu, J.C.Yang, H.Q.Zhang, P.R.S.Gomes, J.Lubian, X.G.Wu, J.Zhong, C.Y.He, Y.Zheng, C.B.Li, G.S.Li, W.W.Qu, F.Wang, L.Zheng, L.Yu, Q.M.Chen, P.W.Luo, H.W.Li, Y.H.Wu, W.K.Zhou, B.J.Zhu, H.B.Sun

Coupling effects on the fusion of 6Li + 154Sm at energies slightly above the Coulomb barrier

NUCLEAR REACTIONS 154Sm(6Li, X)154Eu/156Gd/156Tb/157Tb, E=26-36 MeV; measured Eγ, Iγ from different evaporation residues formed via complete and incomplete fusion, complete and incomplete fusion σ(E), σ(E) for 3n+4n channels using on-line γ method at HI-13 Tandem Accelerator of CIAE-Beijing; deduced complete fusion suppression factor as a function of energy. Comparison with theoretical estimates using PACE2.

doi: 10.1103/PhysRevC.92.014615
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0190.


2015HU03      Phys.Rev. C 91, 044619 (2015)

S.P.Hu, G.L.Zhang, J.C.Yang, H.Q.Zhang, P.R.S.Gomes, J.Lubian, X.G.Wu, J.Zhong, C.Y.He, Y.Zheng, C.B.Li, G.S.Li, W.W.Qu, F.Wang, L.Zheng, L.Yu, Q.M.Chen, P.W.Luo, H.W.Li, Y.H.Wu, W.K.Zhou, B.J.Zhu, H.B.Sun

Small suppression of the complete fusion of the 6Li+96Zr system at near-barrier energies

NUCLEAR REACTIONS 96Zr(6Li, 2n), (6Li, 3n), (6Li, 4n), E=16-28 MeV; 96Zr(6Li, X)96Nb/98Mo/99Mo/100Mo, E=16-28 MeV; measured Eγ, Iγ, σ(E) for evaporation residues of 98,99,100Tc, complete, incomplete, and total fusion σ(E) for 96Nb and Mo isotopes using γ-activation method at Tandem Accelerator facility of CIAE-Beijing. Comparison with theoretical calculations using PACE2 code.

doi: 10.1103/PhysRevC.91.044619
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0193.


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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2015SA46      Phys.Rev. C 92, 054620 (2015)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, A.Diaz-Torres, P.R.S.Gomes, H.Lenske

Derivation of breakup probabilities of weakly bound nuclei from experimental elastic and quasi-elastic scattering angular distributions

NUCLEAR REACTIONS 206Pb(6He, 6He), (6He, 6He'), E=16 MeV; 210Pb(α, α), (α, α'), E=17.71 MeV; devised a simple method and a formula relating the breakup and elastic (quasi-elastic) scattering probabilities; calculated breakup probability for 6He+206Pb reaction, and compared with continuum-discretized coupled-channels (CDCC) calculations.

doi: 10.1103/PhysRevC.92.054620
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2014CA14      Eur.Phys.J. A 50, 89 (2014)

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

Assessing the adequacy of the bare optical potential in near-barrier fusion calculation

NUCLEAR REACTIONS 209Bi(α, x), E=15-30 MeV; calculated fusion σ using single-channel and CC calculations with different potentials. Compared to data. 238U(6He, x); calculated halo nucleus fusion σ using single-channel with different potentials with and without considering halo. 144Sm(16O, x), E≈55-85 MeV;209Bi(6He, x), E≈18-30 MeV; calculated fusion σ, halo nucleus fusion σ using single-channel and CC calculations; deduced potential barrier parameters. Compared with data and 1/E trend.

doi: 10.1140/epja/i2014-14089-6
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2014MO07      Phys.Rev. C 89, 044611 (2014)

V.Morcelle, R.Lichtenthaler, R.Linares, M.C.Morais, V.Guimaraes, A.Lepine-Szily, P.R.S.Gomes, J.Lubian, D.R.Mendes, Jr., P.N.De Faria, A.Barioni, L.R.Gasques, J.M.B.Shorto, K.C.C.Pires, J.C.Zamora, R.P.Condori, V.Scarduelli, J.J.Kolata, H.Amro, F.D.Becchetti, H.Jiang, E.F.Aguilera, D.Lizcano, E.Martinez-Quiroz, H.Garcia

Elastic scattering and total reaction cross section for the 7Be + 27Al system at near-barrier energies

NUCLEAR REACTIONS 27Al(7Be, 7Be), [secondary 7Be produced in 3He(6Li, 7Be) primary reaction], E=10.0, 13.8, 15.2, 15.4 MeV; measured particle spectra, elastic σ(E, θ) using RIBRAS system at Sao Paulo, and TwinSol at NSL-Notre Dame facilities; deduced mean radii of sensitivity, energy dependence of the interacting optical potential, total reaction σ(E). Optical model analysis using the double-folding Sao Paulo and phenomenological Woods-Saxon and Sao Paulo potentials. Analysis of data obtained for 27Al, 197Au(8B, 8B) reactions in progress.

doi: 10.1103/PhysRevC.89.044611
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2139.


2014SA70      Phys.Rev. C 90, 064601 (2014)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, A.Diaz-Torres, P.R.S.Gomes, H.Lenske

Deriving capture and reaction cross sections from observed quasi-elastic and elastic backscattering

NUCLEAR REACTIONS 58Ni(58Ni, 58Ni), (58Ni, 58Ni'), E=86-118 MeV; 74Ge(64Ni, 64Ni), (64Ni, 64Ni'), E=96-120 MeV; 92Mo(α, α), (α, α'), E=13.20, 18.70 MeV; 106,110Cd(α, α), (α, α'), E=15.55, 18.8 MeV; 112Sn(α, α), (α, α'), E=13.90, 18.84 MeV; 120Sn(16O, 16O), (16O, 16O'), E=Vb, Vb+5 MeV, Vb+10 MeV; 144,154Sm(16O, 16O), (16O, 16O'), E=55-80 MeV; 152Sm(16O, 16O), (16O, 16O'), E=58.8, 63.3, 72.4 MeV; 208Pb(6Li, 6Li), (6Li, 6Li'), (7Li, 7Li), (7Li, 7Li'), E=Vb+5 MeV, Vb+10 MeV; 208Pb(16O, 16O), (16O, 16O'), E=65-95 MeV; 208Pb(20Ne, 20Ne), (20Ne, 20Ne'), E=Vb, Vb+5 MeV, Vb+10 MeV; analyzed and proposed methods for extracting differential and integral reaction and capture σ(E, J) from the experimental elastic and quasi-elastic backscattering measurements. Coupled-channels approach.

doi: 10.1103/PhysRevC.90.064601
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2014SA75      Eur.Phys.J. A 50, 168 (2014)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, A.Diaz-Torres, P.R.S.Gomes, H.Lenske

Extracting integrated and differential cross sections in low-energy heavy-ion reactions from backscattering measurements

NUCLEAR REACTIONS 110Cd, 120Sn(α, x), E=9.5-20 MeV; calculated coupled-reaction channels σ, reaction σ, elastic scattering σ(θ) using backscattering data. 92Mo(α, x), E=10-20 MeV;120Sn(α, x), E=11-30 MeV;208Pb(16O, x), E=67-80 MeV; calculated reaction σ (in the case of 16O also capture σ). Compared with data and other calculations.

doi: 10.1140/epja/i2014-14168-8
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2014SA77      Eur.Phys.J. A 50, 184 (2014)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, P.R.S.Gomes

Disagreement between capture probabilities extracted from capture and quasi-elastic backscattering excitation functions

NUCLEAR REACTIONS 120Sn(16O, x), E(cm)=44-59 MeV;144Sm(16O, x), E(cm)=63-78 MeV;208Pb(16O, x), E(cm)=56-70 MeV; calculated, extracted s-wave capture probability using quasi-elastic backscattering σ data and capture σ.

doi: 10.1140/epja/i2014-14184-8
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2014WA36      Phys.Rev. C 90, 034612 (2014)

B.Wang, W.-J.Zhao, P.R.S.Gomes, E.-G.Zhao, S.-G.Zhou

Systematic study of breakup effects on complete fusion at energies above the Coulomb barrier

NUCLEAR REACTIONS 90Zr(6Li, X), E not given; 165Ho, 208Pb(7Li, X), E not given; 144,152Sm, 159Tb, 197Au, 198Pt, 209Bi(6Li, X), (7Li, X), E not given; 89Y, 144Sm, 124Sn, 186W, 208Pb, 209Bi(9Be, X), E not given; 159Tb, 209Bi(10B, X), E not given; 159Tb, 209Bi(11B, X), E not given; 89Y, 152Sm, 159Tb, 181Ta, 208Pb(12C, X), E not given; 159Tb, 181Ta, 207Pb(13C, X), E not given; 103Rh, 148,150Nd, 159Tb, 169Tm(16O, X), E not given; calculated dimensionless complete fusion (CF) functions. Discussed systematics of suppression factors. Comparison with universal fusion functions, and available experimental values. Proposed an analytical formula between the CF suppression factor and the breakup threshold energy.

doi: 10.1103/PhysRevC.90.034612
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2014ZH30      Phys.Rev. C 90, 024621 (2014)

N.T.Zhang, Y.D.Fang, P.R.S.Gomes, J.Lubian, M.L.Liu, X.H.Zhou, G.S.Li, J.G.Wang, S.Guo, Y.H.Qiang, Y.H.Zhang, D.R.Mendes, Jr, Y.Zheng, X.G.Lei, B.S.Gao, Z.G.Wang, K.L.Wang, X.F.He

Complete and incomplete fusion in the 9Be + 181Ta reaction

NUCLEAR REACTIONS 181Ta(9Be, X)182Ta/183Re/184Re/184mRe/185Ir/186Ir/186mIr/187Ir, E=50.4 MeV; measured Eγ, Iγ, complete fusion (CF) σ(E), incomplete fusion (ICF) σ(E), total fusion (TF) σ(E) using γ-activation method at HIRFL-Lanzhou facility. Comparison with theoretical predictions using a parameter free folding potential as bare potential and CC calculations.

doi: 10.1103/PhysRevC.90.024621
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0201.


2013CR04      Phys.Rev. C 88, 044616 (2013)

E.Crema, M.A.G.Alvarez, N.H.Medina, L.R.Gasques, J.F.P.Huiza, B.Fernandez, Z.Abou-Haidar, P.N.de Faria, P.R.S.Gomes, J.Lubian, D.Verney

Quasi-elastic processes of the 48Ca+120Sn system and the 48Ca nuclear matter density

NUCLEAR REACTIONS 120Sn(48Ca, 48Ca'), E=152-175 MeV; measured particle spectra, σ(E) at Orsay tandem accelerator facility; deduced quasi-elastic barrier distributions. Large-scale coupled-channel analysis. Role of pairing correlation in 2n-neutron transfer process.

doi: 10.1103/PhysRevC.88.044616
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2013FA03      Phys.Rev. C 87, 024604 (2013)

Y.D.Fang, P.R.S.Gomes, J.Lubian, X.H.Zhou, Y.H.Zhang, J.L.Han, M.L.Liu, Y.Zheng, S.Guo, J.G.Wang, Y.H.Qiang, Z.G.Wang, X.G.Wu, C.Y.He, Y.Zheng, C.B.Li, S.P.Hu, S.H.Yao

Fusion and one-neutron stripping reactions in the 9Be + 186W system above the Coulomb barrier

NUCLEAR REACTIONS 186W(9Be, X)186Ir/186W/187W/190Pt/191Pt/192Pt, E=41, 45, 49, 53 MeV; measured Eγ, Iγ, γγ-coin, σ(E) for individual nuclei, total σ(E) for complete fusion, and incomplete, one neutron stripping σ at CIAE facility. Comparison with coupled-channel calculations.

doi: 10.1103/PhysRevC.87.024604
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0084.


2013GO02      J.Phys.(London) G40, 035103 (2013)

A.Gomez Camacho, E.F.Aguilera, J.Lubian, P.R.S.Gomes

Simultaneous X2analysis of near-barrier fusion and elastic scattering for the proton-halo system 8B + 58Ni using dynamical Woods-Saxon polarization potentials

NUCLEAR REACTIONS 58Ni(8B, 8B), 58Ni(8B, X)66As, E(cm)=18.17 MeV; analyzed and fitted elastic scattering and fusion σ; deduced influence of polarization potential on Coulomb barrier. Woods-Saxon dynamical polarization potentials.

doi: 10.1088/0954-3899/40/3/035103
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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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2013OL04      J.Phys.(London) G40, 105101 (2013)

J.R.B.Oliveira, F.Cappuzzello, L.C.Chamon, D.Pereira, C.Agodi, M.Bondi, D.Carbone, M.Cavallaro, A.Cunsolo, M.De Napoli, A.Foti, L.R.Gasques, P.R.S.Gomes, R.Linares, J.Lubian, D.Nicolosi, S.Tropea

Study of the rainbow-like pattern in the elastic scattering of 16O on 27Al at Elab. = 100 MeV

NUCLEAR REACTIONS 27Al(16O, 16O), E=100 MeV; calculated σ, scattering parameters. Comparison with experimental data.

doi: 10.1088/0954-3899/40/10/105101
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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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2013RA14      Eur.Phys.J. A 49, 57 (2013)

J.Rangel, J.Lubian, P.R.S.Gomes, B.V.Carlson, L.C.Chamon, A.Gomez Camacho

On the near-barrier fusion of the proton-halo 8B + 58Ni system

NUCLEAR REACTIONS 58Ni(8B, X), E(cm)=16-32 MeV;208Pb(17F, X), E not given; calculated halo nuclei reactions σ, proton σ(θ) from 8B breakup using CDCC with double-folding potential. Compared with data.

doi: 10.1140/epja/i2013-13057-0
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2013SA07      Phys.Rev. C 87, 044611 (2013)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, P.R.S.Gomes

Derivation of capture cross sections from quasi-elastic excitation functions

NUCLEAR REACTIONS 120Sn(16O, X), 124Sn(18O, X), E(cm)=44-60 MeV; 208Pb(16O, X), E(cm)=60-110 MeV; 144Sm(16O, X), E(cm)=54-68 MeV; 208Pb(20Ne, X), E(cm)=85-110 MeV; 154Sm(16O, X), E(cm)=48-96 MeV; 90,96Zr(32S, X), E(cm)=70-96 MeV; 208Pb(48Ti, X), (54Cr, X), (56Fe, X), (64Ni, X), (70Zn, X), E(cm)=180-260 MeV; 208Pb(6Li, X), E(cm)=20-40 MeV; analyzed quasi-elastic scattering σ(E); deduced capture σ(E), maximal angular momenta, average angular momentum.

doi: 10.1103/PhysRevC.87.044611
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2013SA50      Phys.Rev. C 88, 044606 (2013)

V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, P.R.S.Gomes

Derivation of reaction cross sections from experimental elastic backscattering probabilities

NUCLEAR REACTIONS 92Mo, 110Cd, 112Sn, 116Cd, 120Sn(α, X), (α, α), E(cm)=10-30 MeV; 208Pb(16O, X), (16O, 16O), E(cm)=68-80 MeV; 64Zn(6Li, X), (7Li, X), E(cm)=7-24 MeV; calculated reaction σ(E) using a new relation between elastic scattering excitation function at backward angle and the reaction cross section. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.044606
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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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2012PA20      Nucl.Phys. A890-891, 1 (2012)

B.Paes, J.Lubian, P.R.S.Gomes, V.Guimaraes

Role of Coulomb and nuclear breakups in the interaction of 8B with 12C

NUCLEAR REACTIONS 12C(8B, 8B), (8B, p7Be), E(cm)=3.60, 5.52, 9.00, 22.38 MeV;12C(6He, 6He), E(cm)=18 MeV; calculated halo nuclei elastic σ(θ), breakup σ(θ). 58Ni(8B, p7Be), E≈Coulomb barrier; calculated breakup σ(θ). CDCC and no-coupling calculations; compared with available data.

doi: 10.1016/j.nuclphysa.2012.07.011
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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.


2011CA20      Nucl.Instrum.Methods Phys.Res. A648, 46 (2011)

M.Cavallaro, F.Cappuzzello, D.Carbone, A.Cunsolo, A.Foti, R.Linares, D.Pereira, J.R.B.Oliveira, P.R.S.Gomes, J.Lubian, R.Chen

Challenging measurement of the 16O+27Al elastic and inelastic angular distributions up to large angles

NUCLEAR REACTIONS 27Al(16O, 16O), (16O, 16O'), E=100 MeV; measured reaction products; deduced σ(θ). MAGNEX quadrupole-dipole magnetic spectrometer.

doi: 10.1016/j.nima.2011.04.042
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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.


2011DE05      Phys.Rev. C 83, 024607 (2011)

N.N.Deshmukh, S.Mukherjee, D.Patel, N.L.Singh, P.K.Rath, B.K.Nayak, D.C.Biswas, S.Santra, E.T.Mirgule, L.S.Danu, Y.K.Gupta, A.Saxena, R.K.Choudhury, R.Kumar, J.Lubian, C.C.Lopes, E.N.Cardozo, P.R.S.Gomes

Breakup threshold anomaly in the near-barrier elastic scattering of 6Li + 116, 112Sn

NUCLEAR REACTIONS 112Sn(6Li, 6Li), (6Li, X), E=21, 23, 25, 35 MeV; 116Sn(6Li, 6Li), (6Li, X), E=20, 21, 22, 23, 26, 30, 35 MeV; measured 6Li spectra by E-ΔE method; deduced elastic scattering σ and total reaction σ. Optical model analysis with phenomenological Woods-Saxon potential. Comparison of reduced cross sections with reaction cross sections for several other systems. Presence of the breakup threshold anomaly.

doi: 10.1103/PhysRevC.83.024607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6098.


2011DE29      Eur.Phys.J. A 47, 118 (2011)

N.N.Deshmukh, S.Mukherjee, B.K.Nayak, D.C.Biswas, S.Santra, E.T.Mirgule, S.Appannababu, D.Patel, A.Saxena, R.K.Choudhury, J.Lubian, P.R.S.Gomes

Investigation of the threshold anomaly in the near-barrier elastic scattering of 7Li on 116Sn

NUCLEAR REACTIONS 116Sn(7Li, 7Li), E=18, 19, 20, 21, 22, 23, 24, 26, 30, 35 MeV; measured E(particle), I(particle, θ); calculated σ, σ(θ); deduced σ, σ(θ), optical potential parameters.

doi: 10.1140/epja/i2011-11118-0
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6172.


2011GO14      Int.J.Mod.Phys. E20, 929 (2011)

P.R.S.Gomes, J.Lubian, L.F.Canto, L.C.Chamon, E.Crema, M.S.Hussein

Fusion enhancement/suppression and irreversibility in reactions induced by weakly bound nuclei

NUCLEAR REACTIONS 238U, 209Bi(6He, X), E<30 MeV; calculated fusion σ; deduced halo effects. comparison with experimental data.

doi: 10.1142/S021830131101899X
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2011GO18      Phys.Rev. C 84, 014615 (2011)

P.R.S.Gomes, R.Linares, J.Lubian, C.C.Lopes, E.N.Cardozo, B.H.F.Pereira, I.Padron

Search for systematic behavior of incomplete-fusion probability and complete-fusion suppression induced by 9Be on different targets

NUCLEAR REACTIONS 89Y(9Be, X), E=26.1-29.8 MeV; 124Sn(9Be, X), E=28.1-34.7 MeV; 144Sm(9Be, X), E=34.8-41.4 MeV; 208Pb(9Be, X), E=42.2-48.9 MeV; analyzed incomplete fusion (ICF) and total fusion (TF) probabilities. Coupled-channel calculations using the FRESCO computer code.

doi: 10.1103/PhysRevC.84.014615
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2011GO24      Phys.Rev. C 84, 034615 (2011)

A.Gomez Camacho, E.F.Aguilera, P.R.S.Gomes, J.Lubian

Breakup threshold anomaly for the 8B + 58Ni system at near-Coulomb barrier energies

NUCLEAR REACTIONS 58Ni(8B, 8B), (8B, X), E=20.8, 23.4, 25.3, 27.2, 29.3 MeV; calculated optical potential parameters, σ(E, θ) for elastic scattering, fusion σ. Continuum discrete coupled channel (CDCC) calculations. Evidence of breakup threshold anomaly. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.034615
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2010FI01      Phys.Rev. C 81, 024613 (2010)

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

Energy dependence of the optical potential of weakly and tightly bound nuclei as projectiles on a medium-mass target

NUCLEAR REACTIONS 144Sm(6Li, 6Li), E=21.0, 22.1, 22.6, 23.0, 24.1, 26.0, 28.0, 30.1, 32.2, 35.1, 42.3 MeV; 144Sm(7Li, 7Li), E=21.6, 22.1, 22.6, 23.0, 25.0, 27.0, 29.0, 30.0, 32.0, 35.0, 40.8 MeV; measured σ, σ(θ); deduced optical potentials parameters, sensitivity radii, and energy dependence of the real and imaginary parts of the optical potential. Optical model analyses.

doi: 10.1103/PhysRevC.81.024613
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0616.


2010GO07      Nucl.Phys. A833, 156 (2010)

A.Gomez Camacho, E.F.Aguilera, E.Martinez-Quiroz, P.R.S.Gomes, J.Lubian, L.F.Canto

The Threshold Anomaly of weakly bound projectiles from recent elastic scattering measurements around the Coulomb barrier

NUCLEAR REACTIONS 58Ni(6Li, 6Li), E=9.85, 11.21, 12.00, 12.13, 13.04, 14.00, 14.04, 16.00, 18.00, 20.00 MeV; 58Ni(7Be, 7Be), E=15.09, 17.13, 18.53, 19.93, 21.43 MeV; 58Ni(8B, 8B), E=20.7, 23.4, 25.3, 27.2, 29.3 MeV; calculated σ, σ(θ); deduced optical potential parameters. Compared Sao Paulo and Woods-Saxon potentials and experimental data. Discussed presence of Breakup Threshold Anomaly (BTA).

doi: 10.1016/j.nuclphysa.2009.12.002
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2010GO14      Phys.Rev. C 82, 014616 (2010)

A.Gomez Camacho, P.R.S.Gomes, J.Lubian, L.F.Canto

Simultaneous analysis of near-barrier elastic scattering and fusion of 9Be with 27Al

NUCLEAR REACTIONS 27Al(9Be, 9Be), (9Be, X), E(cm)=9.0-35.25 MeV; analyzed elastic σ(θ) and fusion σ, nuclear polarization potentials as a function of radius and energy. Optical model calculations. Comparison with results for 144Sm(9Be, 9Be), (9Be, X) reaction.

doi: 10.1103/PhysRevC.82.014616
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2010GO19      Nucl.Phys. A834, 151c (2010)

P.R.S.Gomes, L.F.Canto, L.Lubian, P.Lotti, L.C.Chamon, E.Crema, J.M.B.Shorto

Breakup Coupling Effects on Fusion of Weakly Bound Nuclei

NUCLEAR REACTIONS 27Al, 144Sm, 208Pb(9Be, X), 59Co, 64Zn, 209Bi(6Li, X), (7Li, X), 64Zn(α, X), 64Zn, 209Bi, 238U(6He, X), 154Sm(16O, X), (32S, X), 208Pb(17F, X), E not given; analyzed fusion function, reduced σ; calculated universal fusion function. Comparison with data.

doi: 10.1016/j.nuclphysa.2009.12.026
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2010GO30      Phys.Rev. C 82, 067601 (2010)

A.Gomez Camacho, P.R.S.Gomes, J.Lubian

Optical model calculations on the threshold anomaly for the 6Li+28Si and 7Li+28Si systems at near-Coulomb-barrier energies

NUCLEAR REACTIONS 6,7Li(28Si, X), E(cm)=4-30 MeV; analyzed elastic scattering, fusion, and total reaction cross sections using optical model calculations. Woods Saxon potentials.

doi: 10.1103/PhysRevC.82.067601
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2010HU16      Phys.Rev. C 82, 054603 (2010)

J.F.P.Huiza, E.Crema, A.Barioni, D.S.Monteiro, J.M.B.Shorto, R.F.Simoes, P.R.S.Gomes

Quasi-elastic barrier distribution of the 17O + 64Zn system and the derivation of the 17O nuclear matter diffuseness

NUCLEAR REACTIONS 64Zn(17O, X), E=30.0-46.0 MeV; measured particle spectra, quasi-elastic σ(E); deduced quasi-elastic barrier distribution, and one-neutron stripping excitation function. Comparison with coupled-channel (CC) calculations.

doi: 10.1103/PhysRevC.82.054603
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2010LU09      Nucl.Phys. A834, 802c (2010)

L.Lubian, T.Correa, P.R.S.Gomes, L.F.Canto, M.S.Hussein

Interplay between the 8B breakup and other reaction mechanisms by means of CDCC method

NUCLEAR REACTIONS 58Ni(8B, 8B), E=23.4 MeV; 58Ni(8B, α)4Li, E=30 MeV; calculated σ(θ) using CDCC code FRESCO; deduced polarization potentials for E=18-30 MeV. Comparison with data.

doi: 10.1016/j.nuclphysa.2010.01.151
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2010MU09      Eur.Phys.J. A 45, 23 (2010)

S.Mukherjee, N.N.Deshmukh, V.Guimaraes, J.Lubian, P.R.S.Gomes, A.Barioni, S.Appannababu, C.C.Lopes, E.N.Cardozo, K.C.C.Pires, R.Lichtenthaler, A.Lepine-Szily, D.S.Monteiro, J.M.B.Shorto, P.N.de Faria, E.Crema, V.Morcelle, M.C.Morais, R.P.Condori

Total reaction cross-sections for light weakly bound systems

NUCLEAR REACTIONS 9Be, 51V(8Li, 8Li), (8Li, X), E=18.5, 19.6 MeV; measured σ, σ(θ); calculated σ(θ) using Sao Paulo potential and WS form factors; deduced optical model parameters. Comparison with other reactions. Secondary radioactive beam.

doi: 10.1140/epja/i2010-10987-9
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0625.


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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2010SH07      Phys.Rev. C 81, 044601 (2010)

J.M.B.Shorto, P.R.S.Gomes, J.Lubian, L.F.Canto, P.Lotti

Transfer coupling or neck formation effects on sub-barrier fusion

NUCLEAR REACTIONS 154Sm(16O, X), E(cm)=50-100 MeV; 154Sm(28Si, X), E(cm)=90-125 MeV; 154Sm(32S, X), E(cm)=100-130 MeV; 154Sm(48Ca, X), E(cm)=120-160; 74Ge(58Ni, X), E(cm)=95-125 MeV; 74Ge(74Ge, X), E(cm)=105-155 MeV; 132Sn(64Ni, X), E(cm)=150-200 MeV; calculated σ using coupled channel method and optical model. Comparison with experimental data and with universal fusion function (UFF).

doi: 10.1103/PhysRevC.81.044601
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2009CA01      J.Phys.(London) G36, 015109 (2009)

L.F.Canto, P.R.S.Gomes, J.Lubian, L.C.Chamon, E.Crema

Disentangling static and dynamic effects of low breakup threshold in fusion reactions

NUCLEAR REACTIONS 209Bi, 238U(α, X), (6He, X), 16O, 59Co, 209Bi(6Li, X), 16O, 209Bi(7Li, X), 16O(11Li, X), 27Al, 208Pb(9Be, X), 144,154Sm(16O, X), E not given; analyzed fusion cross sections. Deduced universal fusion functions. Coupled channel calculations.

doi: 10.1088/0954-3899/36/1/015109
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2009CA10      Nucl.Phys. A821, 51 (2009)

L.F.Canto, P.R.S.Gomes, J.Lubian, L.C.Chamon, E.Crema

Dynamic effects of breakup on fusion reactions of weakly bound nuclei

NUCLEAR REACTIONS 209Bi(α, X), (6He, X), E(cm)=16-30 MeV; 209Bi(16O, X), (40Ca, X), E≈100-200 MeV; 27Al, 59Co, 63Cu, 64Zn, 238U(α, X), 27Al, 64Zn, 238U(6He, X), 16O(6Li, X), 59Co(6Li, X), (7Li, X), 27Al, 64Zn, 144Sm, 208Pb, 209Bi, 238U(6Li, X), (7Li, X), (9Be, X), 27Al, 144,154Sm, 208Pb(16O, X), 209Bi(10Be, X), (11Be, X), 208Pb(17F, X), (19F, X), 144Sm(40Ca, X), 154Sm(32S, X), E not given; analyzed fusion σ; calculated universal fusion function. Coupled channel calculations.

doi: 10.1016/j.nuclphysa.2009.02.001
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2009CA21      Phys.Rev. C 80, 034615 (2009)

L.F.Canto, P.R.S.Gomes, J.Lubian, P.Lotti, L.C.Chamon, E.Crema

Barrier distributions for weakly bound systems

NUCLEAR REACTIONS 144Sm, 148Sm, 154Sm(16O, X), 208Pb(9Be, X), 209Bi(6Li, X), (7Li, X), E not given; analyzed fusion function barrier distributions.

doi: 10.1103/PhysRevC.80.034615
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2009CA25      Phys.Rev. C 80, 047601 (2009)

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

Continuum-continuum coupling and polarization potentials for weakly bound systems

NUCLEAR REACTIONS 208Pb(11Be, X), E(cm)=30-50 MeV; analyzed complete fusion σ. 58Ni(8B, X), E(cm)=20.8, 26.4 MeV; analyzed σ(θ) and polarization potential for different processes. Continuum discretized coupled channels method used in the analyses.

doi: 10.1103/PhysRevC.80.047601
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2009GA32      Phys.Rev. C 80, 037602 (2009)

V.N.Garcia, J.Lubian, P.R.S.Gomes, A.Gomez-Camacho, L.F.Canto

9Be breakup polarization potential at near-barrier energies

NUCLEAR REACTIONS 144Sm(9Be, X), E=33-41 MeV; calculated complete fusion σ, real and imaginary parts of the dynamic polarization potentials using an approximate phenomenological treatment. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.037602
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2009GO08      Phys.Rev. C 79, 027606 (2009)

P.R.S.Gomes, J.Lubian, L.F.Canto

Breakup effects in fusion reactions of stable weakly bound nuclei and light targets

NUCLEAR REACTIONS 12C, 13C, 27Al, 59Co, 64Zn(6Li, X), (7Li, X), 28Si(7Li, X), 27Al(7Be, X), 27Al, 64Zn(9Be, X), E not given; calculated universal fusion functions (UFF). Analyzed effects of breakup coupling on fusion cross sections. Comparison with experimental data.

doi: 10.1103/PhysRevC.79.027606
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2009GO35      Nucl.Phys. A828, 233 (2009)

P.R.S.Gomes, J.Lubian, B.Paes, V.N.Garcia, D.S.Monteiro, I.Padron, J.M.Figueira, A.Arazi, O.A.Capurro, L.Fimiani, A.E.Negri, G.V.Marti, J.O.Fernandez Niello, A.Gomez-Camacho, L.F.Canto

Near-barrier fusion, breakup and scattering for the 9Be + 144Sm system

NUCLEAR REACTIONS 144Sm(9Be, X), E=3048 MeV; measured fusion and elastic σ, σ(θ), σ(E). 144Sm(9Be, X), (16O, X), E=3048 MeV; analyzed fusion σ, breakup mechanism; deduced universal fusion function. Delayed X-ray technique. Coupled channel calculations.

doi: 10.1016/j.nuclphysa.2009.07.008
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2009LU12      Phys.Rev. C 79, 064605 (2009)

J.Lubian, T.Correa, E.F.Aguilera, L.F.Canto, A.Gomez-Camacho, E.M.Quiroz, P.R.S.Gomes

Effects of breakup couplings on 8B+58Ni elastic scattering

NUCLEAR REACTIONS 58Ni(8B, 8B), E=20.7, 23.4, 25.3, 27.2, 29.3 MeV; analyzed σ(θ) data using continuum discretized coupled-channel calculations.

doi: 10.1103/PhysRevC.79.064605
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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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2009MO26      Phys.Rev. C 80, 047602 (2009)

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

Interpretation of quasi-elastic barrier distributions for weakly bound systems

doi: 10.1103/PhysRevC.80.047602
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2009MU10      Phys.Rev. C 80, 014607 (2009)

S.Mukherjee, B.K.Nayak, D.S.Monteiro, J.Lubian, P.R.S.Gomes, S.Appannababu, R.K.Choudhury

Quasi-elastic scattering in the 6Li+232Th reaction

NUCLEAR REACTIONS 232Th(6Li, X), E=24-38 MeV; measured σ, excitation functions, and barrier distributions. Comparison with coupled-channel calculations using a double-folding potential.

doi: 10.1103/PhysRevC.80.014607
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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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2008GA18      Nucl.Phys. A806, 146 (2008)

A.R.Garcia, J.Lubian, P.R.S.Gomes, I.Padron, L.C.Chamon, D.Pereira

Limitation of double folding potentials to simulate the polarization in reactions involving halo nuclei

NUCLEAR REACTIONS 209Bi(6He, 6He), E(cm)=14.3, 15.8, 17.4, 18.6, 21.4 MeV; analyzed elastic σ(θ) and total σ using three different optical model potentials.

doi: 10.1016/j.nuclphysa.2008.03.004
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2008GO14      Phys.Rev. C 77, 054606 (2008)

A.Gomez Camacho, P.R.S.Gomes, J.Lubian, I.Padron

Simultaneous optical model analysis of elastic scattering, fusion, and breakup for the 9Be+144Sm system at near-barrier energies

NUCLEAR REACTIONS 144Sm(9Be, X), E(cm)=31.05, 32, 39.94, 34.82, 36.7, 38.59 MeV; calculated diffuseness, reduced radius, strengths and polarizations of fusion and direct reaction potentials, σ. Comparison with experimental data.

doi: 10.1103/PhysRevC.77.054606
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2008LU16      Phys.Rev. C 78, 064615 (2008)

J.Lubian, T.Correa, P.R.S.Gomes, L.F.Canto

Effect of breakup on fusion cross sections of the 8B + 58Ni system by means of quasi-elastic angular distributions

NUCLEAR REACTIONS 58Ni(8B, X), E=0-32 MeV; calculated quasi-elastic barrier distributions, fusion barrier distributions. Continuum discretized coupled channel calculations.

doi: 10.1103/PhysRevC.78.064615
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2008MO01      Phys.Rev. C 77, 017601 (2008)

D.S.Monteiro, P.R.S.Gomes

Surface diffuseness of the nucleus-nucleus interaction potential for a very massive system

NUCLEAR REACTIONS 208Pb(86Kr, X), E=270-295 MeV; analyzed backward scattering cross sections.

doi: 10.1103/PhysRevC.77.017601
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2008SH24      Phys.Rev. C 78, 064610 (2008)

J.M.B.Shorto, E.Crema, R.F.Simoes, D.S.Monteiro, J.F.P.Huiza, N.Added, P.R.S.Gomes

Effects of the target spin on the reaction mechanism of the 16O + 63Cu system

NUCLEAR REACTIONS 63Cu(16O, 16O), E=30.0-48.0 MeV; measured σ, angular distributions; deduced experimental barrier distributions. Comparison with coupled channel calculations.

doi: 10.1103/PhysRevC.78.064610
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2007AN22      Nucl.Phys. A787, 642c (2007)

R.M.Anjos, R.Veiga, C.Carvalho, K.D.Macario, P.R.S.Gomes

Geological provenance of Quaternary deposits from the southeastern Brazilian coast

doi: 10.1016/j.nuclphysa.2006.12.075
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2007BE19      Phys.Lett. B 647, 30 (2007)

E.A.Benjamim, A.Lepine-Szily, D.R.Mendes, Jr., R.Lichtenthaler, V.Guimaraes, P.R.S.Gomes, L.C.Chamon, M.S.Hussein, A.M.Moro, A.Arazi, I.Padron, J.Alcantara Nunez, M.Assuncao, A.Barioni, O.Camargo, Jr., R.Z.Denke, P.N.de Faria, K.C.C.Pires

Elastic scattering and total reaction cross section for the 6He + 27Al system

NUCLEAR REACTIONS 27Al(6He, 6He), E=9.5, 11.0, 12.0, 13.4 MeV; measured σ, σ(θ). 6He deduced radius, deformation parameters. 27Al(6Li, 6Li), (7Li, 7Li), (9Be, 9Be), (16O, 16O), E≈7-45 MeV; analysed total σ. 6,7Li, 9Be, 16O deduced deformation parameters. Sao Paulo potential.

doi: 10.1016/j.physletb.2007.01.048
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2007CA17      Phys.Rev. C 75, 047601 (2007)

O.A.Capurro, J.O.Fernandez Niello, A.J.Pacheco, P.R.S.Gomes

Surface diffuseness parameter for systems with ZPZT ≈ 780

NUCLEAR REACTIONS 105,106,110Pd(35Cl, X), E(cm)=80-90 MeV; 110Pd(32S, X), E(cm)=77-82 MeV; analyzed quasielastic σ(θ); deduced surface diffuseness parameter.

doi: 10.1103/PhysRevC.75.047601
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2007CR02      Phys.Rev. C 75, 037601 (2007)

E.Crema, P.R.S.Gomes, L.C.Chamon

Appropriate bare potentials for studying fusion induced by 6He

NUCLEAR REACTIONS 209Bi, 238U(α, X), (6He, X), E(cm) ≈ 15-35 MeV; 64Zn(α, X), (6He, X), E(cm) ≈ 6-14 MeV; calculated fusion excitation functions. Double-folding Sao Paulo potential.

doi: 10.1103/PhysRevC.75.037601
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2007CR05      Nucl.Phys. A787, 225c (2007)

E.Crema, P.R.S.Gomes, L.C.Chamon

Hindrance of fusion induced by 6He

NUCLEAR REACTIONS 208Pb(9Be, X), E(cm)=30-50 MeV; 209Bi, 238U(6He, X), E(cm)=18-32 MeV; calculated fusion σ. Coupled channel model with Sao Paulo potential. Comparison with data.

doi: 10.1016/j.nuclphysa.2006.12.036
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2007FE13      Nucl.Phys. A787, 484c (2007)

J.O.Fernandez Niello, J.M.Figueira, D.Abriola, A.Arazi, O.A.Capurro, G.V.Marti, D.Martinez Heinmann, A.J.Pacheco, E.de Barbara, I.Padron, P.R.S.Gomes, J.Lubian

Study of the Threshold Anomaly in the Scattering of Li Isotopes on 27Al

NUCLEAR REACTIONS 27Al(6Li, 6Li), E=7, 8, 10, 12, 18 MeV; 27Al(7Li, 7Li), E=6, 7, 8, 9, 10, 11, 12, 14, 16, 18 MeV; measured σ(θ). Optical model analysis, several potentials compared. Breakup threshold anomaly discussed.

doi: 10.1016/j.nuclphysa.2006.12.072
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0434.


2007FI01      Phys.Rev. C 75, 017602 (2007)

J.M.Figueira, J.O.Fernandez Niello, D.Abriola, A.Arazi, O.A.Capurro, E.de Barbara, G.V.Marti, D.Martinez Heimann, A.E.Negri, A.J.Pacheco, I.Padron, P.R.S.Gomes, J.Lubian, T.Correa, B.Paes

Breakup threshold anomaly in the elastic scattering of 6Li on 27Al

NUCLEAR REACTIONS 27Al(6Li, 6Li), E=7, 8, 10, 12, 18 MeV; measured σ(θ); deduced breakup threshold anomaly, optical model parameters. Woods-Saxon optical potential, double-folding Sao Paolo potential.

doi: 10.1103/PhysRevC.75.017602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0434.


2007GA39      Phys.Rev. C 76, 024612 (2007)

L.R.Gasques, M.Evers, D.J.Hinde, M.Dasgupta, P.R.S.Gomes, R.M.Anjos, M.L.Brown, M.D.Rodriguez, R.G.Thomas, K.Hagino

Systematic study of the nuclear potential through high precision back-angle quasi-elastic scattering measurements

NUCLEAR REACTIONS 170Er, 186W, 197Au, 208Pb(32S, X), E=90-155 MeV; measured quasi-elastic scattering excitation functions. Compared results to single and coupled channel calculations.

doi: 10.1103/PhysRevC.76.024612
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2007GA59      Phys.Rev. C 76, 067603 (2007)

A.R.Garcia, J.Lubian, I.Padron, P.R.S.Gomes, T.Lacerda, V.N.Garcia, A.Gomez Camacho, E.F.Aguilera

Threshold anomaly in the elastic scattering of 6He on 209Bi

NUCLEAR REACTIONS 209Bi(6He, 6He), E=27.0 MeV; calculated angular distributions, optical potentials.

doi: 10.1103/PhysRevC.76.067603
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2007GO06      J.Radioanal.Nucl.Chem. 272, 215 (2007)

P.R.S.Gomes, I.Padron, J.Lubian

Fusion of weakly bound nuclei

NUCLEAR REACTIONS 144Sm(9Be, X), 64Zn(6He, X), (6Li, X), (7Li, X), (9Be, X), (16O, X), E ≈ barrier; analyzed fusion σ. 138Ba(6Li, 6Li), E=20-29 MeV; analyzed optical model parameters.

doi: 10.1007/s10967-007-0502-9
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2007GO22      Nucl.Phys. A787, 275c (2007)

A.Gomez Camacho, E.F.Aguilera, P.R.S.Gomes, J.Lubian, I.Padron

Optical model analysis of elastic scattering and fusion in reactions with weakly bound projectiles around the Coulomb barrier

NUCLEAR REACTIONS 144Sm(9Be, X), E(cm)=20-50 MeV; calculated total, fusion σ. DWBA, breakup threshold anomaly discussed. Comparison with data.

doi: 10.1016/j.nuclphysa.2006.12.043
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2007GO36      Phys.Rev. C 76, 044609 (2007)

A.Gomez Camacho, P.R.S.Gomes, J.Lubian, E.F.Aguilera, I.Padron

Detailed determination of the nuclear fusion radius by a simultaneous optical model calculation of elastic scattering and fusion cross sections in reactions involving weakly bound projectiles

NUCLEAR REACTIONS 64Zn(9Be, X), E=17, 19, 21, 23, 26, 28 MeV; calculated cross sections for elastic, total and complete fusion, optical potential parameters.

doi: 10.1103/PhysRevC.76.044609
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2007HU15      Phys.Rev. C 75, 064601 (2007)

J.F.P.Huiza, E.Crema, D.S.Monteiro, J.M.B.Shorto, R.F.Simoes, N.Added, P.R.S.Gomes

Simultaneous analysis of quasielastic, elastic, and inelastic scattering and of fusion in the 16O+64Zn system

NUCLEAR REACTIONS 64Zn(16O, X), E=30-50 MeV; measured quasielastic excitation function. Deduced quasielastic barrier distribution. Compared results to coupled channel calculations.

doi: 10.1103/PhysRevC.75.064601
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2007KN02      Phys.Rev. C 75, 064602 (2007)

G.N.Knyazheva, E.M.Kozulin, R.N.Sagaidak, A.Yu.Chizhov, M.G.Itkis, N.A.Kondratiev, V.M.Voskressensky, A.M.Stefanini, B.R.Behera, L.Corradi, E.Fioretto, A.Gadea, A.Latina, S.Szilner, M.Trotta, S.Beghini, G.Montagnoli, F.Scarlassara, F.Haas, N.Rowley, P.R.S.Gomes, A.Szanto de Toledo

Quasifission processes in 40, 48Ca+144, 154Sm reactions

NUCLEAR REACTIONS 144Sm(40Ca, F), 140 MeV; 154Sm(40Ca, F), E=141 MeV; 154Sm(48Ca, F), E=137 MeV; 186W(16O, F), E=69.9 MeV; measured σ, mass, energy, and angular distribution of fission fragments. Deduced fission and quasifission cross sections.

doi: 10.1103/PhysRevC.75.064602
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2007LI81      Eur.Phys.J. Special Topics 150, 27 (2007)

R.Lichtenthaler, P.N.de Faria, A.Lepine-Szily, V.Guimaraes, O.Camargo, R.Denke, E.A.Benjamim, A.Barioni, K.C.C.Pires, D.J.Mendes, M.Assuncao, A.Arazi, I.Padron, P.R.S.Gomes

Elastic scattering of 6He + 27Al and 7Be + 51V at RIBRAS

NUCLEAR REACTIONS 27Al(6He, 6He'), E=9.5-13.4 MeV; 51V(7Be, 7Be'), E=26 MeV; measured reaction cross sections and angular distributions. Compared results to model calculations.

doi: 10.1140/epjst/e2007-00257-9
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2007LU14      Nucl.Phys. A791, 24 (2007)

J.Lubian, T.Correa, B.Paes, J.M.Figueira, D.Abriola, J.O.Fernandez Niello, A.Arazi, O.A.Capurro, E.de Barbara, G.V.Marti, D.Martinez Heinmann, A.E.Negri, A.J.Pacheco, I.Padron, P.R.S.Gomes

7Li breakup polarization potential at near barrier energies

NUCLEAR REACTIONS 27Al(7Li, 7Li'), (7Li, 6Li), E=6-18 MeV; measured elastic and one neutron transfer cross sections and angular distributions. Deduced dynamic polarization potential.

doi: 10.1016/j.nuclphysa.2007.04.011
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2007MO26      Phys.Rev. C 76, 027601 (2007)

D.S.Monteiro, J.M.B.Shorto, J.F.P.Huiza, P.R.S.Gomes, E.Crema

Derivation of the surface diffuseness of the nucleus-nucleus interaction potential using large-angle quasielastic scattering at deep sub-barrier energies

NUCLEAR REACTIONS 92Mo(16O, X), (17O, X), (18O, X), E=39-64 MeV; measured cross sections. Deduced surface diffuseness.

doi: 10.1103/PhysRevC.76.027601
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2006CA02      Phys.Rep. 424, 1 (2006)

L.F.Canto, P.R.S.Gomes, R.Donangelo, M.S.Hussein

Fusion and breakup of weakly bound nuclei

doi: 10.1016/j.physrep.2005.10.006
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2006CA03      Phys.Rep. 424, 1 (2006)

L.F.Canto, P.R.S.Gomes, R.Donangelo, M.S.Hussein

Fusion and breakup of weakly bound nuclei

doi: 10.1016/j.physrep.2005.10.006
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2006FI04      Phys.Rev. C 73, 054603 (2006)

J.M.Figueira, D.Abriola, J.O.Fernandez Niello, A.Arazi, O.A.Capurro, E.de Barbara, G.V.Marti, D.Martinez Heimann, A.J.Pacheco, J.E.Testoni, I.Padron, P.R.S.Gomes, J.Lubian

Absence of the threshold anomaly in the elastic scattering of the weakly bound projectile 7Li on 27Al

NUCLEAR REACTIONS 27Al(7Li, 7Li), E=6-18 MeV; measured σ(θ); deduced optical model parameters, no threshold anomaly.

doi: 10.1103/PhysRevC.73.054603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1429.


2006GA06      Nucl.Phys. A764, 135 (2006)

L.R.Gasques, L.C.Chamon, P.R.S.Gomes, J.Lubian

Comparison between heavy-ion reaction and fusion processes for hundreds of systems

NUCLEAR REACTIONS 18O(58Ni, 58Ni), E=46 MeV; calculated σ(θ). 18O(58Ni, X), E=28-44 MeV; calculated fusion σ. 12C(12C, X), E=5-4000 MeV; 16O(16O, X), 16O(26Mg, X), 16O(65Cu, X), E=5-70 MeV; calculated total and fusion σ. Comparison with data of large mass range, optical model with Sao Paulo potential.

doi: 10.1016/j.nuclphysa.2005.09.001
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2006GO10      Phys.Lett. B 634, 356 (2006)

P.R.S.Gomes, I.Padron, E.Crema, O.A.Capurro, J.O.Fernandez Niello, G.V.Marti, A.Arazi, M.Trotta, J.Lubian, M.E.Ortega, A.J.Pacheco, M.D.Rodriguez, J.E.Testoni, R.M.Anjos, L.C.Chamon, M.Dasgupta, D.J.Hinde, K.Hagino

Disentangling the reaction mechanism of weakly bound nuclei

NUCLEAR REACTIONS 9Be(144Sm, X), E=30-44 MeV; measured delayed Eγ, Iγ; deduced total-, complete-, incomplete-fusion and inelastic σ, total fusion suppression factor, reaction mechanism. Comparison with coupled-channels model calculations.

doi: 10.1016/j.physletb.2006.02.005
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1435.


2006GO19      Phys.Rev. C 73, 064606 (2006)

P.R.S.Gomes, I.Padron, E.Crema, O.A.Capurro, J.O.Fernandez Niello, A.Arazi, G.V.Marti, J.Lubian, M.Trotta, A.J.Pacheco, J.E.Testoni, M.D.Rodriguez, M.E.Ortega, L.C.Chamon, R.M.Anjos, R.Veiga, M.Dasgupta, D.J.Hinde, K.Hagino

Comprehensive study of reaction mechanisms for the 9Be + 144Sm system at near- and sub-barrier energies

NUCLEAR REACTIONS 144Sm(9Be, 9Be), E=33-41 MeV; measured elastic σ(θ). 144Sm(9Be, n), (9Be, 2n), (9Be, 3n), (9Be, 4n), (9Be, np), (9Be, 2np), E=30-44 MeV; 144Sm(9Be, X)147Gd, E=3-44 MeV; measured σ; deduced complete and incomplete fusion σ, reaction σ. Delayed x-ray detection technique, comparison with model predictions.

doi: 10.1103/PhysRevC.73.064606
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1435.


2006HU05      Phys.Rev. C 73, 044610 (2006); Erratum Phys.Rev. C 76, 019902 (2007)

M.S.Hussein, P.R.S.Gomes, J.Lubian, L.C.Chamon

New manifestation of the dispersion relation: Breakup threshold anomaly

NUCLEAR REACTIONS 208Pb(6Li, 6Li), E=27-39 MeV; analyzed σ(θ); deduced optical potential features.

doi: 10.1103/PhysRevC.73.044610
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2006PE26      Phys.Rev. C 74, 034608 (2006)

D.Pereira, E.S.Rossi, Jr., G.P.A.Nobre, L.C.Chamon, C.P.Silva, L.R.Gasques, M.A.G.Alvarez, R.V.Ribas, J.R.B.Oliveira, N.H.Medina, M.N.Rao, E.W.Cybulska, W.A.Seale, N.Carlin, P.R.S.Gomes, J.Lubian, R.M.Anjos

18O+110Pd: Measurements and realistic coupled-channel analysis in a transitional region

NUCLEAR REACTIONS 110Pd(18O, 18O'), (18O, 16O), (18O, 14C), E=40-58 MeV; measured Eγ, Iγ, (particle)γ-coin; deduced excitation functions. Coupled-channels analysis.

doi: 10.1103/PhysRevC.74.034608
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1449.


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Note: The following list of authors and aliases matches the search parameter P.Silveira-Gomes: , P.R.GOMES, P.R.SILVEIRA GOMES, P.R.SILVEIRA-GOMES