NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = L.C.Chamon Found 101 matches. Showing 1 to 100. [Next]2023CH48 Phys.Rev. C 108, 044602 (2023) J.K.L.Chaves, L.R.Gasques, L.C.Chamon, V.Scarduelli, A.Lepine-Szily, W.A.Y.Hatano, V.A.B.Zagatto Comprehensive study of the 6, 7Li +124Sn reactions at energies near the Coulomb barrier
doi: 10.1103/PhysRevC.108.044602
2022CH01 J.Phys.(London) G49, 035101 (2022) L.C.Chamon, L.R.Gasques, J.C.Zamora Role of inelastic couplings in 4He + 208Pb elastic scattering in a wide energy range NUCLEAR REACTIONS 208Pb(α, α), E<20 MeV; analyzed available data; calculated σ, σ(θ). The optical model (OM) approach.
doi: 10.1088/1361-6471/ac3891
2022GA17 Eur.Phys.J. A 58, 102 (2022) L.R.Gasques, L.C.Chamon, G.P.Cessel The role of inelastic couplings on the 12C + 12C fusion at sub-barrier energies NUCLEAR REACTIONS 12C(12C, X), E(cm)<7 MeV; analyzed available data; deduced S-factor, fusion σ using the Brazilian Nuclear Potential.
doi: 10.1140/epja/s10050-022-00751-5
2022SC11 Phys.Rev. C 106, 044606 (2022) V.Scarduelli, L.R.Gasques, L.C.Chamon, V.A.B.Zagatto, M.A.G.Alvarez, A.Lepine-Szily Consistent analysis of the 11B + 120Sn reaction channels NUCLEAR REACTIONS 120Sn(11B, 11B), (11B, X), (11B, 12C), (11B, 10Be), (11B, 7Li), E=31.2, 32.6, 34.7, 37.2 MeV; measured reaction products, angular distributions; deduced elastic and inelastic scattering σ(θ), transfer reaction σ(θ) for 1p pickup, 1p stripping and 1α stripping. Comparison to coupled-channel with the double-folding Sao Paulo potential and to the experimental results for 10B+120Sn reaction. SATURN (Silicon Array and Telescopes of USP for Reactions and Nuclear applications) and STAR (Silicon Telescopes Array for low statistics nuclear Reactions) with beam from 8 MV Pelletron accelerator at LAFN (Open Laboratory of Nuclear Physics, Sao Paulo, Brazil).
doi: 10.1103/PhysRevC.106.044606
2022ZA04 Phys.Rev. C 106, 014622 (2022) V.A.B.Zagatto, M.Gomez-Ramos, L.R.Gasques, A.M.Moro, L.C.Chamon, M.A.G.Alvarez, V.Scarduelli, J.P.Fernandez-Garcia, J.R.B.de Oliveira, A.Lepine-Szily, A.Arazi Elastic, inelastic, and one-neutron transfer angular distributions of 6Li + 120Sn at energies near the Coulomb barrier NUCLEAR REACTIONS 120Sn(6Li, 6Li), (6Li, 7Li), E=19, 24, 27 MeV; measured reaction products, angular distributions; deduced elastic, inelastic and neutron transfer σ(θ). Comparison to continuum-discretized coupled channels (CDCC) calculations. SATURN (silicon array based on telescopes of USP for reactions and nuclear applications) and STAR (silicon telescopes array for reactions) at tandem accelerator at the LAFN-USP laboratory.
doi: 10.1103/PhysRevC.106.014622
2021GA14 Phys.Rev. C 103, 034616 (2021) L.R.Gasques, M.A.G.Alvarez, A.Arazi, B.V.Carlson, L.C.Chamon, J.P.Fernandez-Garcia, A.Lepine-Szily, J.Lubian, J.Rangel, M.Rodriguez-Gallardo, V.Scarduelli, V.A.B.Zagatto Understanding the mechanisms of nuclear collisions: A complete study of the 10B + 120Sn reaction NUCLEAR REACTIONS 120Sn(10Be, 10Be), (10B, X)4He/6He/6Li/7Li/9Be/10Be/10B/11B/11C/12C, E≈39.70 MeV; measured reaction products, particle spectra, σ(θ) for elastic and inelastic scattering using SATURN and STAR particle-detector arrays of semiconductor silicon surface barrier detectors and single sided silicon strip detector (SSSSD) at the 8 MV tandem accelerator of the University of Sao Paulo; deduced σ(θ) for the 1-neutron transfer channel, energy projection of 9Be nuclei, σ(θ) for 6,7Li, 9,10Be, 11B and 12C. Comparison with coupled reaction channels (CRC) calculations using the SPP as the bare interaction.
doi: 10.1103/PhysRevC.103.034616
2020AV03 Phys.Rev. C 101, 044601 (2020) M.Aversa, D.Abriola, M.A.G.Alvarez, A.Arazi, M.A.Cardona, L.C.Chamon, E.de Barbara, J.de Jesus, J.P.Fernandez-Garcia, L.R.Gasques, D.Hojman, A.Lepine-Szily, G.V.Marti, A.J.Pacheco, V.Scarduelli, V.A.B.Zagatto Investigation of the fusion process for 10B + 197Au at near-barrier energies NUCLEAR REACTIONS 197Au(10B, 9B)198Au, (10B, 11B)196Au, (10B, 3n)204Po, (10B, 4n)203Po, (10B, 5n)202Po, (10B, 2np)204Bi, (10B, 3np)203Bi, (10B, 4np)202Bi, (10B, 2nα)201Pb, (10B, 3nα)200Pb, (10B, 4nα)199Pb, (6Li, 4n), E=38-61 MeV; measured Eγ, Iγ, fusion σ(E) by offline detection of γ rays from products after complete and incomplete fusion at the 20 UD TANDAR Accelerator facility. Comparison with coupled reaction channel (CRC) calculations using the Sao Paulo potential. 197Au(α, X), (8He, X), (6Li, X), (7Li, X), (11B, X), (12C, X), (16O, X), (40Ar, X), (40Ca, X), (48Ca, X), E(reduced)=-2 to +4; analyzed previous fusion σ(E) data with the present data for 197Au(10B, X); deduced universal fusion function.
doi: 10.1103/PhysRevC.101.044601
2020CH14 Phys.Rev. C 101, 034603 (2020) L.C.Chamon, L.R.Gasques, B.V.Carlson Velocity-dependent model for the α-α interaction in the context of the double-folding potential NUCLEAR REACTIONS 4He(α, α), E<30 MeV; calculated elastic scattering phase shifts. 208Pb(α, α), E=23.6, 139 MeV; calculated σ(θ, E). Double-folding approach using Sao Paulo potential (SPP) and velocity dependence. Comparison with experimental data. 8Be; described s-wave resonance of the ground state.
doi: 10.1103/PhysRevC.101.034603
2020CH37 J.Phys.(London) G47, 105103 (2020) L.C.Chamon, L.R.Gasques, J.C.Zamora Effect of thousands of inelastic couplings on the elastic scattering channel NUCLEAR REACTIONS 208Pb(α, α), (α, α'), E=120 MeV; analyzed available data; calculated σ(θ), σ; deduced realistic values for the deformation parameters of 22 discrete excited states through DWBA.
doi: 10.1088/1361-6471/aba424
2020GA11 Phys.Rev. C 101, 044604 (2020) L.R.Gasques, L.C.Chamon, A.Lepine-Szily, V.Scarduelli, V.A.B.Zagatto, D.Abriola, A.Arazi, M.A.Cardona, E.de Barbara, J.de Jesus, D.Hojman, G.V.Marti, A.J.Pacheco, D.Ramos Lopez, M.A.G.Alvarez, J.P.Fernandez-Garcia, M.Rodriguez-Gallardo, M.Cubero, L.F.Umana, S.Achi-Prado Investigation of the reaction mechanisms for 10B + 197Au at near-barrier energies NUCLEAR REACTIONS 197Au(10B, 10B), (10B, 10B'), (10B, 11B), (10B, 9Be), E=38-61 MeV; measured reaction products, beam-like recoils, and σ(E, θ) using E-ΔE silicon surface barrier telescopes at the 8-MV Pelletron accelerator of the University of Sao Paulo, and at the 20-MV tandem accelerator TANDAR; deduced total integrated cross sections. 10B, 197Au; deduced levels, J, π, yields. Comparison with coupled reaction channel (CRC) calculations, with double-folding Sao Paulo potential. Discussed breakup process of 10B.
doi: 10.1103/PhysRevC.101.044604
2020KU04 Nucl.Phys. A994, 121665 (2020) Role of the dynamical polarization potential in explaining the α+12C system at low energies
doi: 10.1016/j.nuclphysa.2019.121665
2020LI05 Phys.Rev. C 101, 014611 (2020) R.Linares, C.C.Seabra, V.A.B.Zagatto, V.Scarduelli, L.Gasques, L.C.Chamon, B.R.Goncalves, D.R.Mendes, Jr, A.Lepine-Szily Investigation of the one-neutron transfer in 13C + 28Si at Elab = 30 and 34 MeV NUCLEAR REACTIONS 28Si(13C, 13C), (13C, 12C), E=25, 30, 34 MeV; measured reaction products, particle spectra, Q-energy spectrum, elastic and one-neutron transfer σ(E, θ) using Silicon Array SATURN at the University of Sao Paulo 8 MV tandem accelerator. Comparison with direct reaction calculations within the coupled reaction channel(CRC) framework using the FRESCO code, and the spectroscopic amplitudes derived from the psdmod and psdmwkpn shell-model interactions. Comparison of theoretical spectroscopic factors with previous data for 28Si(d, p)29Si reaction.
doi: 10.1103/PhysRevC.101.014611
2020SC03 Eur.Phys.J. A 56, 24 (2020) V.Scarduelli, L.R.Gasques, L.C.Chamon, A.Lepine-Szily A method to optimize mass discrimination of particles identified in ΔE-E silicon surface barrier detector systems
doi: 10.1140/epja/s10050-020-00021-2
2019AL32 Phys.Rev. C 100, 064602 (2019) M.A.G.Alvarez, J.P.Fernandez-Garcia, J.L.Leon-Garcia, M.Rodriguez-Gallardo, L.R.Gasques, L.C.Chamon, V.A.B.Zagatto, A.Lepine-Szily, J.R.B.Oliveira, V.Scarduelli, B.V.Carlson, J.Casal, A.Arazi, D.A.Torres, F.Ramirez Systematic study of optical potential strengths in reactions on 120Sn involving strongly bound, weakly bound, and exotic nuclei NUCLEAR REACTIONS 120Sn(6Li, 6Li), E=19, 24, 27 MeV; measured scattered 6Li, σ(E, θ) using SATURN array of Si detectors at the tandem accelerator of LAFN, University of Sao Paulo. 120Sn(α, α), E(reduced)=5.1, 12.0, 15.6, 19.1 MeV; 120Sn(6He, 6He), E(reduced)=3.8, 4.4, 6.1, 6.7, 8.4 MeV; 120Sn(7Li, 7Li), E(reduced)=0.6, 1.3, 3.2, 5.1, 7.0, 8.9 MeV; 120Sn(9Be, 9Be), E(reduced)=0.3, 0.7, 1.6, 1.7, 3.1, 13.3, 20.7 MeV; 120Sn(10B, 10B), E(reduced)=0.2, 1.6, 2.1, 3.4 MeV; 120Sn(16O, 16O), E(reduced)=2.3, 3.1, 4.0 MeV; 120Sn(18O, 18O), E(reduced)=2.1 MeV; analyzed previous σ(E, θ) data as part of the E-125 experimental campaign, developed at the LAFN, with experiments carried out at Sao Paulo and TANDAR facility in Buenos Aires. Optical model analyses based on the double-folding Sao Paulo potential. NUCLEAR STRUCTURE 6Li, 6He, 9,10Be; calculated matter densities using Hartree-Bogoliubov (HB) theory with NL3 and DDME1 interactions, and from charge densities obtained in (e, e') experiments. 4,6He, 6,7Li, 9,10Be, 16,18O; calculated s-wave barrier parameters using double-folding Sao Paulo potential (SPP) for systems with projectiles focusing on 120Sn.
doi: 10.1103/PhysRevC.100.064602
2018AL29 Phys.Rev. C 98, 024621 (2018) M.A.G.Alvarez, M.Rodriguez-Gallardo, L.R.Gasques, L.C.Chamon, J.R.B.Oliveira, V.Scarduelli, A.S.Freitas, E.S.Rossi, V.A.B.Zagatto, J.Rangel, J.Lubian, I.Padron Elastic scattering, inelastic excitation, and 1n pick-up transfer cross sections for 10B + 120Sn at energies near the Coulomb barrier NUCLEAR REACTIONS 120Sn(10B, 10B), (10B, 10B'), (10B, 11B), E=31.5, 33.5, 35.0, 37.5 MeV; measured particle spectra, elastic, inelastic and one-neutron pick-up σ(θ, E) using Silicon Array based on Telescopes of USP for Reactions and Nuclear applications (SATURN) at the Open Laboratory of Nuclear Physics (LAFN) of the University of Sao Paulo. Comparison with coupled-reaction channel (CRC), optical optical model (OM), and continuum-discretized coupled-channels calculations (CDCC) calculations using the double-folding Sao Paulo potential (SPP).
doi: 10.1103/PhysRevC.98.024621
2018CH03 J.Phys.(London) G45, 035104 (2018) L.C.Chamon, D.F.Morales Botero Folding-type coupling potentials in the context of the generalized rotation-vibration model NUCLEAR STRUCTURE 70,72,74,76Ge; calculated charge and matter densities, parameters. Comparison with available data. NUCLEAR REACTIONS 70,72,74,76Ge(α, α), (α, α'), E(cm)=14.2, 23.6 MeV; calculated σ(θ). Comparison with available data.
doi: 10.1088/1361-6471/aaa8b5
2018GA09 Phys.Rev. C 97, 034629 (2018) L.R.Gasques, A.S.Freitas, L.C.Chamon, J.R.B.Oliveira, N.H.Medina, V.Scarduelli, E.S.Rossi, M.A.G.Alvarez, V.A.B.Zagatto, J.Lubian, G.P.A.Nobre, I.Padron, B.V.Carlson Elastic, inelastic, and 1n transfer cross sections for the 10B+ 120Sn reaction NUCLEAR REACTIONS 120Sn(10B, 10B), (10B, 10B'), (10B, 11B), E=37.5 MeV; measured reaction products, particle spectra, σ(θ) for elastic and inelastic scattering using the Silicon Array and Telescopes of Usp for Reactions and Nuclear applications (SATURN) system at the Pelletron accelerator of University of Sao Paulo; analyzed data for σ(θ) using the coupled reaction channel (CRC) and one-step DWBA formalisms. 120Sn; deduced excitation of first 2+ and 3- levels, B(E2), B(E3), and deformation lengths. 10B; deduced excitation of 1+ level, B(E2), deformation length. 119Sn; deduced levels, σ, spectroscopic factors, CRC and DWBA analysis.
doi: 10.1103/PhysRevC.97.034629
2017MO25 J.Phys.(London) G44, 105102 (2017) D.F.Morales Botero, L.C.Chamon, B.V.Carlson Transition densities in the context of the generalized rotation-vibration model NUCLEAR REACTIONS 28Si, 152Sm, 166Er, 192Os(E, E'), E=42, 81, 140, 500 MeV; calculated form factors, transition densities. NUCLEAR STRUCTURE 12C, 16O, 24Mg, 28Si, 32S, 40,48Ca, 52Cr, 58Ni, 64Zn, 70,76Ge, 88Sr, 90Zr, 92Mo, 108,110Pd, 110Cd, 120Sn, 142,150Nd, 152Sm, 154Gd, 166Er, 192Os, 194,196Pt, 208Pb; calculated B(E2), B(E3). Comparison with evaluated data. Collective model for the description of heavy-ion nuclear structure, called the generalized rotation-vibration model (GRVM).
doi: 10.1088/1361-6471/aa846e
2017ZA05 Phys.Rev. C 95, 064614 (2017) V.A.B.Zagatto, J.Lubian, L.R.Gasques, M.A.G.Alvarez, L.C.Chamon, J.R.B.Oliveira, J.A.Alcantara-Nunez, N.H.Medina, V.Scarduelli, A.Freitas, I.Padron, E.S.Rossi, J.M.B.Shorto Elastic scattering, inelastic excitation, and neutron transfer for 7Li + 120Sn at energies around the Coulomb barrier NUCLEAR REACTIONS 120Sn(7Li, 7Li), (7Li, 7Li'), (7Li, 6Li), E=20, 22, 24, 26 MeV; measured particle spectra, σ(θ), inelastic scattering σ(θ) for first 2+ and 3- states of 120Sn and 1/2- state of 7Li, and σ(q→ for 3/2+ g.s., 11/2- and 1/2+ states in 121Sn at LAFN, University of Sao Paulo. 121Sn; deduced levels, calculated theoretical spectroscopic amplitudes. Coupled channel and coupled reaction channel calculations using FRESCO code, and shell model code NUSHELLX used to calculate the spectroscopic amplitudes.
doi: 10.1103/PhysRevC.95.064614
2016CH03 J.Phys.(London) G43, 015107 (2016) Reinterpreting the energy dependence of the optical potential NUCLEAR REACTIONS 208Pb(α, α), E<12 MeV; analyzed available σ, nuclear levels. Coupled-channel calculations involving a large number of inelastic couplings.
doi: 10.1088/0954-3899/43/1/015107
2015CH19 J.Phys.(London) G42, 055102 (2015) L.C.Chamon, L.R.Gasques, G.P.A.Nobre, E.S.Rossi, Jr, R.J.de Boer, C.Seymour, M.Wiescher, G.G.Kiss Evidence of a slight nuclear transparency in the alpha-nucleus systems NUCLEAR REACTIONS 120,130Te(α, α'), E<15 MeV; calculated inelastic σ(θ). EMPIRE nuclear model code, comparison with available data.
doi: 10.1088/0954-3899/42/5/055102
2015DU06 J.Phys.(London) G42, 065102 (2015) J.G.Duarte, L.R.Gasques, J.R.B.Oliveira, V.A.B.Zagatto, L.C.Chamon, N.H.Medina, N.Added, W.A.Seale, J.A.Alcantara-Nunez, E.S.Rossi, Jr., P.Amador-Valenzuela, A.Lepine-Szily, A.S.Freitas, V.Scarduelli, V.A.P.Aguiar, J.M.B.Shorto Measurement of fusion cross sections for 16O+16O NUCLEAR REACTIONS 16O(16O, X)28Si/24Mg/27Al/32S, E(cm)=8.28-12.25 MeV; measured reaction products, Eγ, Iγ; deduced σ, S-factor. Comparison with available data.
doi: 10.1088/0954-3899/42/6/065102
2015FE04 Phys.Rev. C 92, 014604 (2015) J.P.Fernandez-Garcia, M.A.G.Alvarez, L.C.Chamon Investigation of Coulomb dipole polarization effects on reactions involving exotic nuclei NUCLEAR REACTIONS 208Pb(11Li, 11Li), E AP Coulomb barrier; 208Pb(6He, 6He), E=16, 27 MeV; calculated different components of the total optical potential. 208Pb(11Li, 11Li), E=24.3, 29.8 MeV; 208Pb(9Li, 9Li), E=24.1, 29.5 MeV; 208Pb(6He, 6He), E=14, 16, 18, 22, 27 MeV; analyzed elastic scattering σ(θ, E). Optical model analysis using optical potential with no adjustable parameters, and composed of nuclear Sao Paulo potential.
doi: 10.1103/PhysRevC.92.014604
2014CH06 J.Phys.(London) G41, 035101 (2014) L.C.Chamon, L.R.Gasques, L.F.M.Alves, V.Guimaraes, P.Descouvemont, R.J.de Boer, M.Wiescher Effect of the inelastic couplings on the scattering of alpha particles by 12C at low energies NUCLEAR REACTIONS 12C(α, α), (α, X)16O, E=7.85-10.42 MeV; analyzed available data, σ and S-factors; deduced the effect of the coupling of the first 2+ state in 12C.
doi: 10.1088/0954-3899/41/3/035101
2014MO05 J.Phys.(London) G41, 055114 (2014) D.F.Morale Botero, L.C.Chamon, B.V.Carlson Calculation of deformed double-folding potentials in the context of the generalized rotation-vibration model NUCLEAR STRUCTURE 28Si, 154Sm; calculated matter density, Coulomb and nuclear potentials.
doi: 10.1088/0954-3899/41/5/055114
2014ZA12 Nucl.Instrum.Methods Phys.Res. A 749, 19 (2014) V.A.B.Zagatto, J.R.B.Oliveira, P.R.P.Allegro, L.C.Chamon, E.W.Cybulska, N.H.Medina, R.V.Ribas, W.A.Seale, C.P.Silva, L.R.Gasques, G.S.Zahn, F.A.Genezini, J.M.B.Shorto, J.Lubian, R.Linares, D.L.Toufen, M.A.G.Silveira, E.S.Rossi Jr, G.P.Nobre γ-Particle coincidence technique for the study of nuclear reactions NUCLEAR REACTIONS 110Pd(18O, 18O'), E=53.6 MeV; measured products, 110Pd; deduced σ(θ). Data were imported from EXFOR entry D0739.
doi: 10.1016/j.nima.2014.02.014
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
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
2011CH13 Phys.Rev. C 83, 034617 (2011) L.C.Chamon, B.V.Carlson, L.R.Gasques α + α scattering reexamined in the context of the Sao Paulo potential NUCLEAR REACTIONS 4He(α, α), E=0.6-29.5 MeV; analyzed σ, phase shift, charge distributions using the velocity-dependent Sao Paulo potential (SPP).
doi: 10.1103/PhysRevC.83.034617
2011CH44 Phys.Rev. C 84, 044607 (2011) L.C.Chamon, L.R.Gasques, B.V.Carlson Approximate treatment of relativistic effects in the low-energy α+α scattering
doi: 10.1103/PhysRevC.84.044607
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
2010BE12 At.Data Nucl.Data Tables 96, 541 (2010) M.Beard, A.V.Afanasjev, L.C.Chamon, L.R.Gasques, M.Wiescher, D.G.Yakovlev Astrophysical S factors for fusion reactions involving C, O, Ne, and Mg isotopes NUCLEAR REACTIONS C(C, X), (O, X), (Ne, X), (Mg, X), O(O, X), (Ne, X), (Mg, X), Ne(Ne, X), (Mg, X), Mg(Mg, X), E≈18-30 MeV MeV; calculated S-factors; deduced reaction rates calculation procedure.
doi: 10.1016/j.adt.2010.02.005
2010CH59 Nucl.Phys. A846, 1 (2010) Systematics of nuclear densities, deformations and excitation energies within the context of the generalized rotation-vibration model NUCLEAR STRUCTURE A=4-252; calculated nuclear densities, deformation, level energies, B(E2), B(E3), associated quantities using a generalized rotation-vibration model. Comparison with data.
doi: 10.1016/j.nuclphysa.2010.06.003
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
2010OL05 J.Phys.:Conf.Ser. 205, 012046 (2010) J.R.B.Oliveira, V.A.B.Zagatto, D.Pereira, J.Lubian, P.R.P.Allegro, L.C.Chamon, E.W.Cybulska, R.Linares, N.H.Medina, R.V.Ribas, E.S.Rossi, Jr, W.A.Seale, C.P.Silva, D.L.Toufen, M.A.G.Silveira, G.S.Zahn, F.A.Genezini, L.Gasques, J.M.B.Shorto Nuclear reaction studies with particle-gamma coincidences using the Saci-Perere spectrometer NUCLEAR REACTIONS 110Pd(18O, X), E=46-60 MeV; measured Eγ, Iγ, E(particle), I(particle, θ), (particle)γ-coin; deduced σ(θ) to 2+ states. Preliminary.
doi: 10.1088/1742-6596/205/1/012046
2010SO10 Nucl.Phys. A836, 1 (2010) D.P.Sousa, D.Pereira, J.Lubian, L.C.Chamon, J.R.B.Oliveira, E.S.Rossi, Jr., C.P.Silva, P.N.de Faria, V.Guimaraes, R.Lichtenthaler, M.A.G.Alvarez Probing the 6, 7Li nucleon densities through a new break-up process approach NUCLEAR REACTIONS 120Sn(6Li, X), E=19.5 MeV; 120Sn(7Li, X), E=19.5, 20.5, 25 MeV; measured elastic and quasi-elastic σ(θ) using silicon barrier detectors; deduced optical model parameters, sensitivity radius, nuclear densities and introduced new imaginery potential component.
doi: 10.1016/j.nuclphysa.2010.01.245
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
2009CH01 J.Phys.(London) G36, 025102 (2009) L.C.Chamon, G.P.A.Nobre, B.V.Carlson Effect on the heavy-ion fusion and elastic scattering cross sections of common approximations assumed in coupled-channel calculations
doi: 10.1088/0954-3899/36/2/025102
2009CS02 Phys.Rev. C 80, 034320 (2009) J.Cseh, J.Darai, W.Sciani, Y.Otani, A.Lepine-Szily, E.A.Benjamim, L.C.Chamon, R.Lichtenthaler Filho Elongated shape isomers in the 36Ar nucleus NUCLEAR STRUCTURE 36Ar; analyzed superdeformed and hyperdeformed structures, shape isomers and moments of inertia using shell model, touching cluster and compressed cluster configurations.
doi: 10.1103/PhysRevC.80.034320
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
2009PE14 Nucl.Phys. A826, 211 (2009) D.Pereira, C.P.Silva, J.Lubian, E.S.Rossi, L.C.Chamon, G.P.A.Nobre, T.Correa Understanding fusion suppression and enhancement in the 18O + 58, 60, 64Ni systems NUCLEAR REACTIONS 58,60,64Ni(18O, 18O), (18O, 18O'), (18O, 16O), E=34.5-65 MeV; analyzed σ(θ), σ, fusion σ, B(E2) using coupled-channels analysis; deduced spectroscopic factors. Comparison with data.
doi: 10.1016/j.nuclphysa.2009.06.015
2009SC20 Phys.Rev. C 80, 034319 (2009) W.Sciani, Y.Otani, A.Lepine-Szily, E.A.Benjamim, L.C.Chamon, R.Lichtenthaler Filho, J.Darai, J.Cseh Possible hyperdeformed band in 36Ar observed in 12C+24Mg elastic scattering NUCLEAR REACTIONS 24Mg(12C, 12C), E(cm)=10.67-16.00 MeV; analyzed angular distributions and excitation functions. 36Ar; deduced resonances, resonance parameters, hyperdeformed band. Comparison with previous results from 20Ne(16O, 16O) reaction.
doi: 10.1103/PhysRevC.80.034319
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
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
2007CH62 Nucl.Phys. A787, 198c (2007) The Sao Paulo Potential NUCLEAR REACTIONS 12C(12C, 12C), E=16, 112, 300, 1016, 1449, 2400 MeV; 208Pb(12C, 12C), E=420, 1449, 2400 MeV; 12C, 58Ni(α, α), E=139 MeV; 12C(12C, 12C'), E=1016, 1449, 2400 MeV; 58Ni(18O, 18O), (18O, 18O'), (18O, 17O), E=35.1, 36, 37.1, 38 MeV; 58Ni(18O, 16O), E=37.1, 38 MeV; 60Ni(18O, 18O), (18O, 18O'), E=34.5, 35.5, 37.1, 38 MeV; 60Ni(18O, 16O), E=38 MeV; calculated σ(θ). 92Zr(12C, X), E(cm)=27-47 MeV; 208Pb(12C, X), E(cm)=52-73 MeV; 208Pb(16O, X), (18O, X), E(cm)=70-90 MeV; 182W, 208Pb(32S, X), E(cm)=120-160 MeV; 182,186W(16O, X), E(cm)=60-85 MeV; 144,148,152,154Sm(16O, X), E(cm)=50-75 MeV; 58,64Ni, 74Ge(58Ni, X), E(cm)=90-120 MeV; 74Ge(64Ni, X), E(cm)=95-120 MeV; calculated fusion σ. Coupled channel model with Sao Paulo potential, barrier penetration model. Comparison with data.
doi: 10.1016/j.nuclphysa.2006.12.032
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
2007NO06 Nucl.Phys. A786, 90 (2007) G.P.A.Nobre, L.C.Chamon, B.V.Carlson, I.J.Thompson, L.R.Gasques Tunneling through a parabolic barrier coupled to an oscillatory degree of freedom: Application to heavy-ion fusion at sub-barrier energies NUCLEAR REACTIONS 58,64Ni(58Ni, X), (64Ni, X), E(cm)=85-115 MeV; calculated fusion excitation functions.
doi: 10.1016/j.nuclphysa.2007.02.005
2007NO08 Phys.Rev. C 75, 044606 (2007) G.P.A.Nobre, L.C.Chamon, L.R.Gasques, B.V.Carlson, I.J.Thompson Consistent analysis of fusion data without adjustable parameters for a wide variety of heavy-ion systems NUCLEAR REACTIONS 12C, 92Zr, 208Pb(12C, X), 16O, 144,148,152,154Sm, 182,186W, 208Pb, 238U(16O, X), 208Pb(18O, X), 68Zn, 92Zr, 100Mo, 144Sm, 208Pb(28Si, X), 92,94,98,100Mo, 104Ru, 108,110Pd, 182W, 208Pb(32S, X), 90,98Zr, 92,100Mo, 104Ru, 108,110Pd(36S, X), 112,122Sn, 144,148,154Sm(40Ar, X), 40,48Ca, 48Ti, 90,98Zr, 192Os, 194Pt(40Ca, X), 90,98Zr(48Ca, X), 58,64Ni, 74Ge, 112,124Sn(58Ni, X), 64Ni, 74Ge, 100Mo(64Ni, X), 70,76Ge, 92Mo, 104Ru(86Kr, X), 90,96Zr(90Zr, X), E ≈ barrier; calculated fusion σ. Sao Paolo potential, comparison with data.
doi: 10.1103/PhysRevC.75.044606
2007NO12 Phys.Rev. C 76, 024605 (2007) G.P.A.Nobre, C.P.Silva, L.C.Chamon, B.V.Carlson Consistent analysis of fusion data without adjustable parameters for systems involving odd nuclei NUCLEAR STRUCTURE Li, Be, B, N, O, F, Al, s, Cl, Sc, Ti, V, Co, Ni, Cu, Ge, Y, Zr, Nb, Ru, Rh, Pd, Sn, Sm, Tb, Ho, Pb, Bi, Th; calculated deformation parameters. NUCLEAR REACTIONS 14N, 159Tb, 232Th(11B, X), E not given; 159Tb(10B, X), E not given; 59Co, 209Bi(16O, X), E not given; 144Sm(17O, X), E not given; 65Cu(18O, X), E not given; 70,73,74,76Ge(27Al, X), E not given; 59Co(14N, X), E not given; 209Bi(15N, X), E not given; 208Pb, 232Th(19F, X), E not given; 93Nb, 101Ru, 103Rh, 105Pd(32S, X), (36S, X), E not given; 27Al, 58,60,62,64Ni, 59Co, 92Zr, 112Sn(35Cl, X), E not given; 58,60,62,64Ni(37Cl, X), E not given; calculated fusion cross sections.
doi: 10.1103/PhysRevC.76.024605
2007NO14 Phys.Rev. C 76, 044608 (2007) Comparison between the zero point motion and generalized frozen approximation models in accounting for heavy-ion fusion data NUCLEAR REACTIONS 208Pb, 238U(16O, X), 182W, 208Pb(32S, X), 96Zr, 192Os, 194Pt(40Ca, X), 148,154Sm(40Ar, X), 74Ge(58Ni, X), 64Ni, 100Mo(64Ni, X), E=not given; calculated cross sections, comparisons with experimental values.
doi: 10.1103/PhysRevC.76.044608
2007WE01 Nucl.Phys. A781, 342 (2007); Erratum Nucl.Phys. A794, 231 (2007) J.C.Werner, L.A.S.Leal, M.G.Munhoz, N.Carlin, L.C.Chamon, N.Added, J.A.P.Brage, R.Liguori Neto, M.M.Coimbra, M.M.de Moura, F.A.Souza, A.A.P.Suaide, E.M.Szanto, A.Szanto de Toledo, J.Takahashi Structure effects in the elastic scattering for the 16O + 46, 50Ti systems NUCLEAR REACTIONS 46,50Ti(16O, 16O), E=30-70 MeV; measured elastic σ(θ); deduced model parameters, threshold anomaly. Unexpected structure effects not observed.
doi: 10.1016/j.nuclphysa.2006.11.034
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
2006PE02 Phys.Rev. C 73, 014601 (2006) D.Pereira, C.P.Silva, J.Lubian, E.S.Rossi, Jr., L.C.Chamon Reaction dynamics of the 18O + 58Ni system: A wide-ranging test NUCLEAR REACTIONS 58Ni(18O, 18O), (18O, 18O'), (18O, 16O), (18O, 17O), E ≈ 38-65 MeV; calculated σ(θ). 58Ni(18O, X), E(cm)=28-50 MeV; calculated fusion σ. Coupled channels approach, comparison with data.
doi: 10.1103/PhysRevC.73.014601
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
2005AL03 Nucl.Phys. A748, 59 (2005) J.J.S.Alves, P.R.S.Gomes, J.Lubian, L.C.Chamon, D.Pereira, R.M.Anjos, E.S.Rossi, Jr., C.P.Silva, M.A.G.Alvarez, G.P.A.Nobre, L.R.Gasques Consistent analysis of peripheral reaction channels and fusion for the 16, 18O + 58Ni systems NUCLEAR REACTIONS 58Ni(16O, 16O), (16O, 16O'), (16O, 12C), E=46 MeV; 58Ni(18O, 18O), (18O, 18O'), (18O, 17O), (18O, 16O), E=46 MeV; measured elastic, inelastic, and transfer σ(E, θ). Coupled-channels analysis, comparison with previous results.
doi: 10.1016/j.nuclphysa.2004.10.020
2005AL18 Nucl.Phys. A753, 83 (2005) M.A.G.Alvarez, N.Alamanos, L.C.Chamon, M.S.Hussein Study of the effects of Pauli blocking and Pauli nonlocality on the optical potential NUCLEAR REACTIONS 12C(α, α), E=43 MeV; 12C(6He, 6He), E=38 MeV; 12C(6Li, 6Li), E=53 MeV; 12C, 28Si(7Li, 7Li), E=50 MeV; 12C, 16O, 90Zr, 208Pb(12C, 12C), E=25-120 MeV; 90Zr, 208Pb(16O, 16O), E=94 MeV; 208Pb(40Ar, 40Ar), E=44 MeV; analyzed σ(θ); deduced optical model parameters, Pauli effects.
doi: 10.1016/j.nuclphysa.2005.01.031
2005AL45 Braz.J.Phys. 35, 909 (2005) J.J.S.Alves, P.R.S.Gomes, J.Lubian, L.C.Chamon, R.M.Anjos, D.Pereira, E.S.Rossi, Jr., C.P.Silva, M.A.G.Alvarez, G.P.A.Nobre, L.R.Gasques Elastic, Inelastic Scatterings and Transfer Reactions for 16, 18O on 58Ni Described by the Sao Paulo Potential NUCLEAR REACTIONS 58Ni(16O, 16O), (16O, 16O'), (16O, X), (18O, 18O), (18O, 18O'), (18O, X), E=46 MeV; measured elastic, inelastic, and transfer σ(θ). Comparison with model predictions.
doi: 10.1590/S0103-97332005000500052
2005CH48 Phys.Rev. C 72, 014603 (2005) General behavior of the effective nucleon-nucleon interaction as a function of the relative velocity NUCLEAR REACTIONS 12C(12C, 12C), 12C, 16O, 28Si(16O, 16O), E ≈ 500-1000 MeV; analyzed σ(θ), optical potential volume integrals; deduced effective nucleon-nucleon interaction features.
doi: 10.1103/PhysRevC.72.014603
2005CH74 Braz.J.Phys. 35, 906 (2005) L.C.Chamon, G.P.A.Nobre, D.Pereira, C.P.Silva, E.S.Rossi, Jr., L.R.Gasques, B.V.Carlson Coulomb and Nuclear Potentials Between Deformed Nuclei Applied to the Fusion Process NUCLEAR REACTIONS 64Ni(64Ni, X), E(cm)=85-110 MeV; calculated fusion σ. Coulomb and nuclear interactions, barrier penetration model. Comparison with data.
doi: 10.1590/S0103-97332005000500051
2005CR06 Phys.Rev. C 72, 034610 (2005) E.Crema, L.C.Chamon, P.R.S.Gomes Reliable potential for studying fusion of weakly bound nuclei NUCLEAR REACTIONS 144Sm(16O, X), E(cm) ≈ 55-80 MeV; 209Bi(6Li, X), (7Li, X), E(cm) ≈ 25-50 MeV; 208Pb(9Be, X), E(cm) ≈ 30-50 MeV; calculated fusion σ, barrier distributions. Sao Paulo potential, comparison with data.
doi: 10.1103/PhysRevC.72.034610
2005GA33 Phys.Rev. C 72, 025806 (2005) L.R.Gasques, A.V.Afanasjev, E.F.Aguilera, M.Beard, L.C.Chamon, P.Ring, M.Wiescher, D.G.Yakovlev Nuclear fusion in dense matter: Reaction rate and carbon burning NUCLEAR REACTIONS 12C(12C, 12C), E(cm)=6-10 MeV; calculated σ(θ). 12C(12C, X), E(cm) ≈ 0-10 MeV; calculated astrophysical S-factor, fusion rate in dense matter.
doi: 10.1103/PhysRevC.72.025806
2005GA38 Nucl.Phys. A758, 134c (2005) L.R.Gasques, A.V.Afanasjev, M.Beard, L.C.Chamon, P.Ring, M.Wiescher Pycnonuclear reaction rates between neutron-rich nuclei NUCLEAR REACTIONS 22,24O(22O, X), 24O, 34Ne, 42Mg(24O, X), 34Ne, 42Mg(34Ne, X), 42Mg(42Mg, X), E(cm) ≈ 0-18 MeV; calculated S-factors, pycnonuclear reactions rates.
doi: 10.1016/j.nuclphysa.2005.05.027
2005GA48 J.Phys.(London) G31, S1859 (2005) L.R.Gasques, M.Beard, L.C.Chamon, M.Wiescher Pycnonuclear 12C + 12C reaction at zero temperature NUCLEAR REACTIONS 12C(12C, X), E ≈ 0-10 MeV; calculated astrophysical S-factor, pycnonuclear reaction rate.
doi: 10.1088/0954-3899/31/10/088
2005GO09 Phys.Rev. C 71, 034608 (2005) P.R.S.Gomes, M.D.Rodriguez, G.V.Marti, I.Padron, L.C.Chamon, J.O.Fernandez Niello, O.A.Capurro, A.J.Pacheco, J.E.Testoni, A.Arazi, M.Ramirez, R.M.Anjos, J.Lubian, R.Veiga, R.Liguori Neto, E.Crema, N.Added, C.Tenreiro, M.S.Hussein Effect of the breakup on the fusion and elastic scattering of weakly bound projectiles on 64Zn NUCLEAR REACTIONS 64Zn(6Li, X), (7Li, X), (9Be, X), (16O, X), E ≈ 16-69 MeV; measured fusion and reaction σ; deduced reaction mechanism features. 64Zn(9Be, 9Be), E=17-28 MeV; 64Zn(16O, 16O), E=40-64 MeV; measured elastic σ(θ). Coupled channels analysis.
doi: 10.1103/PhysRevC.71.034608
2005GO35 J.Phys.(London) G31, S1669 (2005) P.R.S.Gomes, I.Padron, J.O.Fernandez Niello, G.V.Marti, M.D.Rodriguez, O.A.Capurro, A.J.Pacheco, J.E.Testoni, A.Arazi, J.Lubian, R.M.Anjos, L.C.Chamon, E.Crema, M.S.Hussein Fusion, break-up and elastic scattering of weakly bound nuclei NUCLEAR REACTIONS 27Al, 64Zn(9Be, X), E(cm) ≈ 14-25 MeV; 64Zn(6Li, X), E(cm) ≈ 15-40 MeV; measured reaction, break-up, and fusion σ; deduced optical potential features.
doi: 10.1088/0954-3899/31/10/051
2004CA47 Phys.Rev. C 70, 057602 (2004) B.V.Carlson, L.C.Chamon, L.R.Gasques Accurate approximation for the Coulomb potential between deformed nuclei NUCLEAR REACTIONS 58Ni(58Ni, X), E not given; calculated Coulomb potential.
doi: 10.1103/PhysRevC.70.057602
2004CH36 Phys.Rev. C 70, 014604 (2004) L.C.Chamon, G.P.A.Nobre, D.Pereira, E.S.Rossi, Jr., C.P.Silva, L.R.Gasques, B.V.Carlson Coulomb and nuclear potentials between deformed nuclei NUCLEAR STRUCTURE Z=0-100; compiled, analyzed quadrupole and octupole deformation lengths. NUCLEAR REACTIONS 58Ni(58Ni, X), E not given; calculated Coulomb and nuclear potentials, deformation and orientation dependence.
doi: 10.1103/PhysRevC.70.014604
2004CH47 Prog.Theor.Phys.(Kyoto), Suppl. 154, 169 (2004) L.C.Chamon, L.R.Gasques, D.Pereira, B.V.Carlson A Consistent Description of the Heavy-Ion Fusion and Elastic Scattering Processes Using a Nonlocal Model NUCLEAR REACTIONS 12C, 16O(12C, X), E(cm)=1-18 MeV; 58,64Ni(58Ni, X), (64Ni, X), E(cm)=88-112 MeV; 154Sm(12C, X), E(cm)=40-60 MeV; 58Ni, 144,148,150,154Sm(16O, X), E(cm) ≈ 28-100 MeV; 208Pb(16O, X), (32S, X), E(cm) ≈ 70-180 MeV; 58,64Ni, 94,100Mo(28Si, X), E(cm) ≈ 45-100 MeV; 40Ca, 58Ni, 90,96Zr(40Ca, X), E(cm) ≈ 50-130 MeV; 110Pd, 100Mo(32S, X), (36S, X), E(cm) ≈ 70-120 MeV; 144,154Sm(40Ar, X), E(cm) ≈ 110-170 MeV; 74Ge(58Ni, X), (74Ge, X), E(cm) ≈ 90-160 MeV; 90,96Zr(90Zr, X), E(cm) ≈ 170-200 MeV; 70,76Ge, 92,100Mo, 102,104Ru(86Kr, X), E(cm) ≈ 120-220 MeV; calculated fusion σ. Nonlocal model, comparisons with data.
doi: 10.1143/PTPS.154.169
2004GA16 Phys.Rev. C 69, 034603 (2004) L.R.Gasques, L.C.Chamon, D.Pereira, M.A.G.Alvarez, E.S.Rossi, Jr., C.P.Silva, B.V.Carlson Global and consistent analysis of the heavy-ion elastic scattering and fusion processes NUCLEAR REACTIONS 144,148,150,154Sm, 208Pb(16O, X), E(cm)=50-100 MeV; 12C, 16O(12C, X), E(cm)=2-20 MeV; 64Ni(58Ni, X), E(cm)=80-120 MeV; 27Al, 32S(12C, X), E(cm)=20-150 MeV; calculated fusion σ.
doi: 10.1103/PhysRevC.69.034603
2004GO47 Phys.Lett. B 601, 20 (2004) P.R.S.Gomes, I.Padron, M.D.Rodriguez, G.V.Marti, R.M.Anjos, J.Lubian, R.Veiga, R.Liguori Neto, E.Crema, N.Added, L.C.Chamon, J.O.Fernandez Niello, O.A.Capurro, A.J.Pacheco, J.E.Testoni, D.Abriola, A.Arazi, M.Ramirez, M.S.Hussein Fusion, reaction and break-up cross sections of weakly bound projectiles on 64Zn NUCLEAR REACTIONS 64Zn(16O, X), E(cm) ≈ 32-55 MeV; 64Zn(9Be, X), E(cm) ≈ 14-25 MeV; 64Zn(6Li, X), (7Li, X), E(cm) ≈ 14-40 MeV; 64Zn(6He, X), E(cm) ≈ 7-13 MeV; measured fusion, reaction, and breakup σ. Comparison with previous results.
doi: 10.1016/j.physletb.2004.09.029
2004GO49 Phys.Rev. C 70, 054605 (2004) P.R.S.Gomes, R.M.Anjos, C.Muri, J.Lubian, I.Padron, L.C.Chamon, R.Liguori Neto, N.Added, J.O.Fernandez Niello, G.V.Marti, O.A.Capurro, A.J.Pacheco, J.E.Testoni, D.Abriola Threshold anomaly with weakly bound projectiles: Elastic scattering of 9Be + 27Al NUCLEAR REACTIONS 27Al(9Be, 9Be), E=12-47.5 MeV; measured σ(θ); deduced model parameters, no threshold anomaly.
doi: 10.1103/PhysRevC.70.054605
2003AL17 Nucl.Phys. A723, 93 (2003) M.A.G.Alvarez, L.C.Chamon, M.S.Hussein, D.Pereira, L.R.Gasques, E.S.Rossi, Jr., C.P.Silva A parameter-free optical potential for the heavy-ion elastic scattering process NUCLEAR REACTIONS 12C, 16O, 40Ca, 90Zr, 208Pb(12C, 12C), 208Pb(16O, 16O), (40Ar, 40Ar), E ≈ 16-2400 MeV; analyzed σ(θ); deduced optical potential features.
doi: 10.1016/S0375-9474(03)01158-8
2003CH85 Braz.J.Phys. 33, 238 (2003) L.C.Chamon, B.V.Carlson, L.R.Gasques, D.Pereira, C.De Conti, M.A.G.Alvarez, M.S.Hussein, M.A.Candido Ribeiro, E.S.Rossi, Jr., C.P.Silva Nonlocal Description of the Nuclear Interaction
doi: 10.1590/s0103-97332003000200012
2003GA04 Phys.Rev. C 67, 024602 (2003) L.R.Gasques, L.C.Chamon, D.Pereira, V.Guimaraes, A.Lepine-Szily, M.A.G.Alvarez, E.S.Rossi, Jr., C.P.Silva, B.V.Carlson, J.J.Kolata, L.Lamm, D.Peterson, P.Santi, S.Vincent, P.A.De Young, G.Peasley Experimental determination of the surface density for the 6He exotic nucleus NUCLEAR REACTIONS 58Ni(α, α), (6He, 6He), E=8.1, 9.0, 9.1, 9.6 MeV; measured σ(θ). 58Ni(α, α), E=82-288 MeV; analyzed σ(θ). 4,6He deduced ground-state nuclear densities. Unfolding method, comparison with model predictions.
doi: 10.1103/PhysRevC.67.024602
2003GA18 Phys.Rev. C 67, 067603 (2003) L.R.Gasques, L.C.Chamon, D.Pereira, M.A.G.Alvarez, E.S.Rossi, Jr., C.P.Silva, G.P.A.Nobre, B.V.Carlson Systematical study of the optical potential for systems like A+58Ni from sub-barrier data analyses NUCLEAR REACTIONS 58Ni(28Si, 28Si), E=74, 75.5, 77 MeV; measured σ(θ); deduced optical model parameters. 28Si deduced density distribution. NUCLEAR STRUCTURE 4,6He, 12C, 16,18O, 28Si; analyzed scattering data; deduced radii, density distributions.
doi: 10.1103/PhysRevC.67.067603
2003LI01 Nucl.Phys. A713, 24 (2003) V.P.Likhachev, J.Mesa, J.D.T.Arruda-Neto, B.V.Carlson, W.R.Carvalho, Jr., L.C.Chamon, A.Deppman, H.Dias, M.S.Hussein Quasi-free 238U(e, e'f) cross section in macroscopic-microscopic approach NUCLEAR REACTIONS 238U(e, e'X), E=720 MeV; calculated quasifree electrofission σ(E, θ). Comparison with data. NUCLEAR STRUCTURE 238U; calculated single-particle level energies. 237,238U, 237Pa; calculated fissility vs excitation energy.
doi: 10.1016/S0375-9474(02)01302-7
2003TA06 Phys.Rev. C 67, 044605 (2003) T.Tarutina, L.C.Chamon, M.S.Hussein Coulomb excitation of 11Be reexamined NUCLEAR REACTIONS 208Pb(11Be, 11Be'), E=45, 59.7, 64 MeV/nucleon; 197Au(11Be, 11Be'), E=59.7 MeV/nucleon; analyzed Coulomb excitation σ, survival probability. 11Be deduced transition B(E1).
doi: 10.1103/PhysRevC.67.044605
2002AL01 Phys.Rev. C65, 014602 (2002) M.A.G.Alvarez, E.S.Rossi, Jr., C.P.Silva, L.R.Gasques, L.C.Chamon, D.Pereira, M.N.Rao, B.V.Carlson, C.De Conti, R.M.Anjos, P.R.S.Gomes, J.Lubian, S.Kailas, A.Chatterjee, P.Singh Precise Nuclear Matter Densities from Heavy-Ion Collisions NUCLEAR REACTIONS 16O(16O, 16O), E=1120 MeV; 92Mo(16O, 16O), E=49 MeV; 58,60,62,64Ni, 88Sr, 90,92Zr, 120Sn, 138Ba, 208Pb(16O, 16O), E not given; 58,60Ni(18O, 18O), E not given; analyzed σ. 16,18O deduced matter density distributions, related features. 16O, 58Ni(e, e), E not given; calculated σ vs momentum transfer.
doi: 10.1103/PhysRevC.65.014602
2002CH39 Phys.Rev. C66, 014610 (2002) L.C.Chamon, B.V.Carlson, L.R.Gasques, D.Pereira, C.De Conti, M.A.G.Alvarez, M.S.Hussein, M.A.Candido Ribeiro, E.S.Rossi, Jr., C.P.Silva Toward a Global Description of the Nucleus-Nucleus Interaction NUCLEAR STRUCTURE Z=1-82; analyzed charge distribution data, radii. 16O, 56Fe, 120Sn, 208Pb; calculated nucleon density distributions. NUCLEAR REACTIONS 58Ni(16O, X), E not given; 58Ni(α, X), E=139 MeV; calculated folding potential; deduced parameters. Other reaction data analyzed.
doi: 10.1103/PhysRevC.66.014610
2002GA16 Phys.Rev. C65, 044314 (2002) L.R.Gasques, L.C.Chamon, C.P.Silva, D.Pereira, M.A.G.Alvarez, E.S.Rossi, Jr., V.P.Likhachev, B.V.Carlson, C.De Conti Determination of the 12C Nuclear Density Through Heavy-Ion Elastic Scattering Experiments NUCLEAR REACTIONS 58Ni(12C, 12C), E=26-28.5 MeV; 208Pb(12C, 12C), E=54.5-57 MeV; measured σ(θ); deduced potential features. 12C deduced nucleon density distribution. Comparisons with other reactions and with model predictions.
doi: 10.1103/PhysRevC.65.044314
2002RO29 Nucl.Phys. A707, 325 (2002) E.S.Rossi, Jr., D.Pereira, L.C.Chamon, C.P.Silva, M.A.G.Alvarez, L.R.Gasques, J.Lubian, B.V.Carlson, C.De Conti Effect of the 18O Nuclear Density on the Nuclear Potentials of the 18O + 58, 60Ni Systems NUCLEAR REACTIONS 58,60Ni(18O, 18O'), (18O, 17O), (18O, 16O), E=34-38 MeV; measured quasielastic, inelastic, transfer σ, σ(θ); deduced nuclear potential features. 18O deduced neutron density distribution. Comparison with previous results, model predictions.
doi: 10.1016/S0375-9474(02)01009-6
2001SI02 Nucl.Phys. A679, 287 (2001) C.P.Silva, M.A.G.Alvarez, L.C.Chamon, D.Pereira, M.N.Rao, E.S.Rossi, Jr., L.R.Gasques, M.A.E.Santo, R.M.Anjos, J.Lubian, P.R.S.Gomes, C.Muri, B.V.Carlson, S.Kailas, A.Chatterjee, P.Singh, A.Shrivastava, K.Mahata, S.Santra The Heavy-Ion Nuclear Potential: Determination of a systematic behavior at the region of surface interaction distances NUCLEAR REACTIONS 120Sn(16O, 16O), E=53-55 MeV; 138Ba(16O, 16O), E=54-57 MeV; 208Pb(16O, 16O), E=74-78 MeV; measured σ(θ); deduced optical potentials. Double-folding calculations with microscopic densities.
doi: 10.1016/S0375-9474(00)00347-X
1999AL23 Nucl.Phys. A656, 187 (1999) M.A.G.Alvarez, L.C.Chamon, D.Pereira, E.S.Rossi, Jr., C.P.Silva, L.R.Gasques, H.Dias, M.O.Roos Experimental Determination of the Ion-Ion Potential in the N = 50 Target Region: A tool to probe ground-state nuclear densities NUCLEAR REACTIONS 88Sr, 90,92Zr, 92Mo(16O, 16O), E=43-49 MeV; measured elastic, inelastic σ(θ); deduced optical potentials. Shell model and double-folding calculations.
doi: 10.1016/S0375-9474(99)00304-8
1998CH18 Phys.Rev. C58, 576 (1998) L.C.Chamon, D.Pereira, M.S.Hussein Parameterfree Account of Quasielastic Scattering of Stable and Radioactive Nuclei NUCLEAR REACTIONS 12C(12C, 12C), (12C, 12C'), E=1016, 1449, 2400 MeV; 12C(11Li, 11Li'), E=637 MeV; calculated σ(θ). Parameterfree model, nonlocal energy-independent potential. Comparison with data.
doi: 10.1103/PhysRevC.58.576
1998GA23 Phys.Rev. C58, 1627 (1998) D.Galetti, S.S.Mizrahi, L.C.Chamon, D.Pereira, M.S.Hussein, M.A.Candido Ribeiro Nonlocal Effects in the 8Be Breakup NUCLEAR STRUCTURE 8Be; calculated collective potential, inertia function for spontaneous breakup; deduced nonlocal effects. Generator coordinate method.
doi: 10.1103/PhysRevC.58.1627
1997CH48 Phys.Rev.Lett. 79, 5218 (1997) L.C.Chamon, D.Pereira, M.S.Hussein, M.A.Candido Ribeiro, D.Galetti Nonlocal Description of the Nucleus-Nucleus Interaction NUCLEAR REACTIONS 12C(12C, 12C), E=16, 112, 300, 1016, 1449, 2400 MeV; 208Pb(12C, 12C), E=420, 1449, 2400 MeV; 12C, 58Ni(α, α), E=139 MeV; analyzed σ(θ). Non-local, parameter-free potential.
doi: 10.1103/PhysRevLett.79.5218
1997RI08 Phys.Rev.Lett. 78, 3270 (1997) M.A.C.Ribeiro, L.C.Chamon, D.Pereira, M.S.Hussein, D.Galetti Pauli Nonlocality in Heavy-Ion Rainbow Scattering: A further test of the folding model NUCLEAR REACTIONS 12C(12C, X), (16O, X), E=10-200 MeV/nucleon; calculated local equivalent potential energy dependence; deduced nonlocal exchange effects role in potential energy dependence.
doi: 10.1103/PhysRevLett.78.3270
1997RO16 J.Phys.(London) G23, 1473 (1997) E.S.Rossi, Jr., L.C.Chamon, D.Pereira, C.P.Silva, G.Ramirez The Ion-Ion Potential and Neutron Transfer Processes in the 18O + 58,60Ni Systems at Sub-Barrier Energies NUCLEAR REACTIONS 58Ni(18O, X), E=38.1, 37, 35 MeV; 60Ni(18O, X), E=37, 38.1 MeV; measured inelastic, 1n-, 2n-transfer σ; deduced ion-ion potential, 2n-transfer inhibition in 18O+58Ni system.
doi: 10.1088/0954-3899/23/10/038
1997SI13 Phys.Rev. C55, 3155 (1997) C.P.Silva, D.Pereira, L.C.Chamon, E.S.Rossi, Jr., G.Ramirez, A.M.Borges, C.E.Aguiar Fusion and Peripheral Processes in the 16,18O + 58,60,64Ni Systems NUCLEAR REACTIONS, ICPND 58,60,64Ni(16O, X), (18O, X), E=38-64 MeV; measured fusion σ(E). 58Ni(18O, 18O), E=35.1-55.1 MeV; measured fusion σ(E), σ(θ); deduced fusion barriers, standard radius deviation, reaction mechanism.
doi: 10.1103/PhysRevC.55.3155
1996CH03 Nucl.Phys. A597, 253 (1996) L.C.Chamon, D.Pereira, E.S.Rossi, Jr., C.P.Silva, H.Dias, L.Losano, C.A.P.Ceneviva Isotopic Dependence of the Ion-Ion Potential in the Systems 16O + 58,60,62,64Ni NUCLEAR REACTIONS 58,60,62,64Ni(16O, 16O), (16O, 16O'), E=34-37 MeV; measured σ(θ); deduced optical potential. 58,60,62,64Ni levels deduced B(E2), deformation lengths. Shell-model, double-folding calculations, coupled-channel analysis.
doi: 10.1016/0375-9474(95)00467-X
1995CH11 Nucl.Phys. A582, 305 (1995) L.C.Chamon, D.Pereira, E.S.Rossi, Jr., C.P.Silva, R.Lichtenthaler Filho, L.C.Gomes Experimental Investigation of the Ion-Ion Potential for the 16O + 60Ni System at Large Interaction Distances NUCLEAR REACTIONS 60Ni(16O, 16O), (16O, 16O'), E=35-37 MeV; measured σ(θ); deduced optical potential. Coupled-channels calculations.
doi: 10.1016/0375-9474(94)00491-5
1994LI31 Phys.Rev. C50, 3033 (1994) R.Lichtenthaler, D.Pereira, L.C.Chamon, L.C.Gomes, A.Ventura, L.Zuffi Second Order Effects in the Algebraic Potential for Heavy-Ion Systems Near the Coulomb Barrier NUCLEAR REACTIONS 63Cu(16O, 16O), E=39-64 MeV; measured σ(θ); deduced algebraic potential parameters, characteristics.
doi: 10.1103/PhysRevC.50.3033
1992BO32 Phys.Rev. C46, 2360 (1992) A.M.Borges, C.P.da Silva, D.Pereira, L.C.Chamon, E.S.Rossi, Jr., C.E.Aguiar Pair Transfer and the Sub-Barrier Fusion of 18O + 58Ni NUCLEAR REACTIONS, ICPND 58Ni(18O, X), E=51.7 MeV; 60Ni(16O, X), E=64 MeV; measured evaporation residue σ(θ). 58Ni(18O, X), 60Ni(16O, X), E(cm)=31.6-56.8 MeV; measured fusion σ(E); deduced reaction mechanism.
doi: 10.1103/PhysRevC.46.2360
1992CH06 Phys.Lett. 275B, 29 (1992) L.C.Chamon, D.Pereira, E.S.Rossi, C.P.Silva, G.R.Razeto, A.M.Borges, L.C.Gomes, O.Sala Isotopic Dependence of the Fusion Cross Section in the Systems 16,18O + 63,65Cu NUCLEAR REACTIONS 63,65Cu(18O, X), E=40.1-64 MeV; measured fusion σ(E). 63,65Cu(16O, 16O), E=40.1-64 MeV; measured σ(θ). 63,65Cu(16O, X), E(cm)=30-50 MeV; analyzed fusion σ(E); deduced fusion σ isotopic dependence.
doi: 10.1016/0370-2693(92)90846-V
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