NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = P.R.Gomes Found 144 matches. Showing 1 to 100. [Next]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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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=3048 MeV; measured fusion and elastic σ, σ(θ), σ(E). 144Sm(9Be, X), (16O, X), E=3048 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
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
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
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
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
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
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
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
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
2008MO01 Phys.Rev. C 77, 017601 (2008) 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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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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