NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = M.Assuncao Found 37 matches. 2023SA13 Eur.Phys.J. A 59, 48 (2023) O.C.B.Santos, R.Lichtenthaler, A.M.Moro, K.C.C.Pires, U.Umbelino, A.S.Serra, E.O.N.Zevallo, A.L.de Lara, V.Scarduelli, J.Alcantara-Nunez, A.Lepine-Szily, J.Lei, S.Appannababu, M.Assuncao One-neutron stripping from 8Li projectiles to 9Be target nuclei NUCLEAR REACTIONS 9Be(8Li, 7Li), E=23.8 MeV; measured reaction products; deduced σ(θ), σ(θ, E). Comparison with optical model calculations using standard Woods-Saxon potentials. The RIBRAS (Radioactive Ion Beams in Brasil) facility.
doi: 10.1140/epja/s10050-023-00959-z
2022AN21 XLIV Brazilian Meeting on Nuclear Physics, Brazil, 9-11 Nov 2021 p.012041 (2022); J.Phys.:Conf.Ser. 2340 M.B.Angelo, V.Guimaraes, M.Assuncao, L.F.Canto, J.Lubian Damping of Mott oscillations as a guide for planning a 6Li +6Li scattering experiment NUCLEAR REACTIONS 6Li(6Li, 6Li), E=6-10 MeV; analyzed available data; deduced σ(θ), Sfresco corrections for the potentials depths and the subsequent Transverse Isotropy (TI) energies.
doi: 10.1088/1742-6596/2340/1/012041
2022BA37 XLIV Brazilian Meeting on Nuclear Physics, Brazil, 9-11 Nov 2021 p.012040 (2022); J.Phys.:Conf.Ser. 2340 A.Barioni, G.Kaur, J.Alcantara-Nunez, M.Assuncao, V.Guimaraes, A.L.Lara, A.Lepine-Szily, R.Lichtenthaler, R.Linares, D.R.Mendes, K.C.C.Pires, O.C.B.Santos, A.S.Serra, J.M.B.Shorto, U.Umbelino, V.A.B.Zagatto, E.O.N.Zevallos, J.C.Zamora Two-neutron transfer as a tool to study pairing correlations in nuclei NUCLEAR REACTIONS 12C, 19F(6He, 6He), (6He, X), (α, α), (α, X), E=20 MeV; measured reaction products, Eα, Iα; deduced σ(θ), feasibility of two-neutron transfer reactions. RIBRAS facility.
doi: 10.1088/1742-6596/2340/1/012040
2022GI05 Phys.Rev. C 105, L051301 (2022) V.Girard Alcindor, A.Mercenne, I.Stefan, F.de Oliveira Santos, N.Michel, M.Ploszajczak, M.Assie, A.Lemasson, E.Clement, F.Flavigny, A.Matta, D.Ramos, M.Rejmund, J.Dudouet, D.Ackermann, P.Adsley, M.Assuncao, B.Bastin, D.Beaumel, G.Benzoni, R.Borcea, A.J.Boston, D.Brugnara, L.Caceres, B.Cederwall, I.Celikovic, V.Chudoba, M.Ciemala, J.Collado, F.C.L.Crespi, G.D'Agata, G.De France, F.Delaunay, C.Diget, C.Domingo-Pardo, J.Eberth, C.Fougeres, S.Franchoo, F.Galtarossa, A.Georgiadou, J.Gibelin, S.Giraud, V.Gonzalez, N.Goyal, A.Gottardo, J.Goupil, S.Grevy, V.Guimaraes, F.Hammache, L.J.Harkness-Brennan, H.Hess, N.Jovancevic, D.S.Judson Oliver, O.Kamalou, A.Kamenyero, J.Kiener, W.Korten, S.Koyama, M.Labiche, L.Lalanne, V.Lapoux, S.Leblond, A.Lefevre, C.Lenain, S.Leoni, H.Li, A.Lopez-Martens, A.Maj, I.Matea, R.Menegazzo, D.Mengoni, A.Meyer, B.Million, B.Monteagudo, P.Morfouace, J.Mrazek, M.Niikura, J.Piot, Zs.Podolyak, C.Portail, A.Pullia, B.Quintana, F.Recchia, P.Reiter, K.Rezynkina, T.Roger, J.S.Rojo, F.Rotaru, M.D.Salsac, A.M.Sanchez-Benitez, E.Sanchis, M.Senyigit, N.de Sereville, M.Siciliano, J.Simpson, D.Sohler, O.Sorlin, M.Stanoiu, C.Stodel, D.Suzuki, C.Theisen, D.Thisse, J.C.Thomas, P.Ujic, J.J.Valiente-Dobon, M.Zielinska New narrow resonances observed in the unbound nucleus 15F NUCLEAR REACTIONS 1H(14O, p), E=7.64 MeV/nucleon; 1H(14O, 2p), E=7.42 MeV/nucleon; measured reaction products Ep, Ip, Eγ, Iγ, protons angular distributions, pp-coin, γγ-coin, pγ-coin; deduced σ(θ), resonances properties of 14O+p system - energy, spin and width, spectroscopic factors, major amplitudes of channels. 15F; deduced levels, J, π, configurations. Data has been analyzed and interpreted in the framework of the Gamow shell model (GSM) with the coupled-channel representation (GSMCC). Beam provided by SPIRAL1 facility (GANIL). Detectors: MUST2 (telescope composed of DSSD and CsI array) for (14O, p) reaction and MUGAST array (MUST2+VAMOS magnetic spectrometer+AGATA HPGE-array).
doi: 10.1103/PhysRevC.105.L051301
2022KA10 Phys.Rev. C 105, 024609 (2022) G.Kaur, V.Guimaraes, J.C.Zamora, M.Assuncao, J.Alcantara-Nunez, A.L.de Lara, E.O.N.Zevallos, J.B.Ribeiro, R.Lichtenthaler, K.C.C.Pires, O.C.B.Santos, V.Morcelle, R.J.deBoer New resonances in 11C above the 10B + p threshold investigated by inverse kinematic resonant scattering NUCLEAR REACTIONS 1H(10B, p), E=37.2 MeV; measured reaction products, Ep, Ip, angular distributions; deduced σ, σ(θ). 11C; deduced resonances, J, π, widths. R-matrix analysis. Comparison of level structure to 11B mirror nucleus. Beam from Radioactive Ion Beams in Brazil (RIBRAS) facility.
doi: 10.1103/PhysRevC.105.024609
2022KA39 XLIV Brazilian Meeting on Nuclear Physics, Brazil, 9-11 Nov 2021 p.012042 (2022); J.Phys.:Conf.Ser. 2340 G.Kaur, V.Guimaraes, J.C.Zamora, M.Assuncao, J.Alcantara-Nunez, A.L.de Lara, E.O.N.Zevallos, J.B.Ribeiro, R.Lichtenthaler, K.C.C.Pires, O.C.B.Santos, V.Morcelle, R.J.deBoer Resonant scattering measurement for 11C using thick target in inverse kinematics NUCLEAR REACTIONS 1H(10B, α), (10B, 3He), (10B, X)11C, E=35.93 MeV; measured reaction products; deduced σ(θ). RIBRAS facility, IFUSP, Sao Paulo.
doi: 10.1088/1742-6596/2340/1/012042
2022UM01 Phys.Rev. C 106, 054602 (2022) U.Umbelino, R.Lichtenthaler, O.C.B.Santos, K.C.C.Pires, A.S.Serra, V.Scarduelli, A.L.de Lara, E.O.N.Zevallos, J.C.Zamora, A.Lepine-Szily, J.M.B.Shorto, M.Assuncao, V.A.B.Zagatto Quasielastic scattering of light radioactive and stable projectiles on 9Be NUCLEAR REACTIONS 9Be(10Be, 10Be), E=21.8, 26.9 MeV;9Be(9Be, 9Be), E=24.3, 30.1 MeV; 9Be(7Be, 7Be), E=17.3 MeV;9Be(7Li, 7Li), E=17.7, 21.9 MeV;9Be(6Li, 6Li), E=11.2, 21.1, 25.7 MeV;9Be(8Li, 8Li), E=15.4, 18.9 MeV;9Be(8B, 8B), E=23.7 MeV;9Be(11B, 11B), E=31.4 MeV;9Be(12B, 12B), E=28.3, 34.3 MeV; measured reaction products, angular distributions; deduced σ(θ), total σ, optical model parameters. Analysis with the optical model using Woods-Saxon form factor and Sao Paulo potential. Comparison to Coupled channels (CC), coupled reaction channels (CRC), and continuum-discretized coupled channels (CDCC) calculations to investigate couplings of the inelastic, breakup, and transfer channels on the total σ. Cocktail secondary beam produced by the RIBRAS (Radioactive Ion Beams in Brasil) facility from 9Be(11B, X) and 3He(6Li, X) reactions.
doi: 10.1103/PhysRevC.106.054602
2022ZA03 Phys.Rev. C 106, 014603 (2022) J.C.Zamora, J.L.Ferreira, A.Barioni, E.N.Cardozo, D.Abriola, A.Arazi, M.Assuncao, E.de Barbara, M.A.Cardona, V.Guimaraes, D.Hojman, G.V.Marti, D.R.Mendes, A.J.Pacheco, K.C.C.Pires, D.Ramos, O.C.B.Santos, J.Lubian Role of direct mechanism in two-nucleon T=0 transfer reactions in light nuclei using the (6Li, α) probe NUCLEAR REACTIONS 12C, 19F(6Li, α), (6Li, 6Li), E=20 MeV; measured reaction products, Eα, Iα, angular distribution; deduced σ(θ) for elastic scattering and isoscalar np-transfer reactions, contributions from direct and sequential reaction mechanism yo the σ, population of particular bound and unbound states in daughter nuclei. Data analysis with coupled-reaction-channels (CRC) approach. Sequential np-transfer mechanism was investigated with coupled-channels Born approximation (CCBA) calculations. Systematics of np-transfer σ obtained with different probes - (α, d), (6Li, α) and (3He, p). Detector setup composed of an array of eight surface-barrier detectors and four silicon telescopes at TANDAR facility.
doi: 10.1103/PhysRevC.106.014603
2021GI06 Eur.Phys.J. A 57, 93 (2021) V.Girard Alcindor, I.Stefan, F.de Oliveira Santos, O.Sorlin, D.Ackermann, P.Adsley, J.C.Angelique, M.Assie, M.Assuncao, D.Beaumel, E.Berthoumieux, R.Borcea, L.Caceres, I.Celikovic, M.Ciemala, V.Chudoba, G.D'Agata, F.de Grancey, G.Dumitru, F.Flavigny, C.Fougeres, S.Franchoo, A.Georgiadou, N.Goyal, S.Grevy, J.Guillot, V.Guimaraes, F.Hammache, O.Kamalou, J.Kiener, S.Koyama, L.Lalanne, V.Lapoux, I.Matea, A.Matta, A.Meyer, N.Michel, P.Morfouace, J.Mrazek, F.Negoita, M.Niikura, D.Pantelica, L.Perrot, C.Petrone, J.Piot, C.Portail, T.Roger, F.Rotaru, A.M.Sanchez-Benitez, N.de Sereville, M.Stanoiu, C.Stodel, K.Subotic, D.Suzuki, V.Tatischeff, J.C.Thomas, P.Ujic, D.Verney Probing nuclear forces beyond the nuclear drip line: the cases of 16F and 15F. A Tribute to Mahir Hussein NUCLEAR STRUCTURE 15,16F, 16N, 15C; analyzed available data; deduced strength of the nucleon-nucleon effective interaction, the mirror symmetry of the n-p interaction.
doi: 10.1140/epja/s10050-021-00410-1
2021GU11 Eur.Phys.J. A 57, 90 (2021) V.Guimaraes, E.N.Cardozo, J.Lubian, M.Assuncao, K.C.C.Pires, L.F.Canto, B.Mukeru, G.Kaur, E.F.Aguilera Role of cluster configurations in the elastic scattering of light projectiles on 58Ni and 64Zn targets: a phenomenological analysis NUCLEAR REACTIONS 58Ni(16O, 16O), E=31-45 MeV; 64Zn(9Be, 9Be), (11Be, 11Be), E=17-28.7 MeV; analyzed available data; deduced σ.
doi: 10.1140/epja/s10050-021-00403-0
2021LI22 Phys.Rev. C 103, 044613 (2021) R.Linares, M.Sinha, E.N.Cardozo, V.Guimaraes, G.V.Rogachev, J.Hooker, E.Koshchiy, T.Ahn, C.Hunt, H.Jayatissa, S.Upadhyayula, B.Roeder, A.Saastomoinen, J.Lubian, M.Rodriguez-Gallardo, J.Casal, K.C.C.Pires, M.Assuncao, Y.Penionzhkevich, S.Lukyanov Elastic scattering measurements for the 10C+ 208Pb system at Elab = 66 MeV NUCLEAR REACTIONS 208Pb(10C, 10C), E=66 MeV, [10C secondary beam from 1H(10B, 10C), E=9.6 MeV/nucleon primary reaction, followed by selection of 10C beam by the Momentum Achromatic Recoil Spectrometer (MARS) at the K500 superconducting Cyclotron Institute of Texas A and M University]; measured elastically scattered 10C ions, angular distribution of scattered 10C, total σ using ΔE-E telescope of double-sided silicon strip detectors (DSSSDs); deduced suppression of the Fresnel peak. Comparison with optical model, coupled channels, and 3-body and 4-body continuum-discretized coupled-channels (CDCC) calculations using 9B+p, 6Be+α, and 8Be+p+p cluster configurations of 10C with a Brunnian (super-Borromean) structure; analyzed reaction cross sections in literature for the several projectiles on 208Pb target.
doi: 10.1103/PhysRevC.103.044613
2021SA25 Phys.Rev. C 103, 064601 (2021) O.C.B.Santos, R.Lichtenthaler, K.C.C.Pires, U.Umbelino, E.O.N.Zevallos, A.L.de Lara, A.S.Serra, V.Scarduelli, J.Alcantara-Nunez, V.Guimaraes, A.Lepine-Szily, J.C.Zamora, A.M.Moro, S.Appannababu, M.Assuncao, A.Barioni, R.Linares, V.A.B.Zagatto, P.N.de Faria, M.C.Morais, V.Morcelle, J.M.B.Shorto, J.Lei Evidence of the effect of strong stripping channels on the dynamics of the 8Li + 58Ni reaction NUCLEAR REACTIONS 58Ni(8Li, 8Li), (8Li, 8Li'), (8Li, 7Li), E=23.9, 26.1, 28.7, 30 MeV, [secondary 8Li beam produced in 9Be(7Li, 8Li), E=26-32 MeV using the RIBRAS facility at the 8-UD Pelletron accelerator of the University of Sao Paulo]; measured reaction products, two-dimensional ΔE-E particle spectra, elastic σ(θ). Comparison with optical model and continuum discretized coupled channels (CDCC) calculations for the elastic and nonelastic breakup or particle-transfer processes.
doi: 10.1103/PhysRevC.103.064601
2021ZA03 Phys.Lett. B 816, 136256 (2021) J.C.Zamora, V.Guimaraes, G.V.Rogachev, S.Ahn, J.Lubian, E.N.Cardozo, E.Aboud, M.Assuncao, M.Barbui, J.Bishop, A.Bosh, J.Hooker, C.Hunt, H.Jayatissa, E.Koshchiy, S.Lukyanov, R.O'Dwyer, Y.Penionzhkevich, B.T.Roeder, A.Saastamoinen, S.Upadhyayula Direct fusion measurement of the 8B proton-halo nucleus at near-barrier energies NUCLEAR REACTIONS 40Ar(8B, X), E=5.1 MeV/nucleon; measured reaction products; deduced fusion σ, barrier parameters. Universal Fusion Function (UFF) parameterization, comparison with available data.
doi: 10.1016/j.physletb.2021.136256
2019AP01 Phys.Rev. C 99, 014601 (2019) S.Appannababu, R.Lichtenthaler, M.A.G.Alvarez, M.Rodriguez-Gallardo, A.Lepine-Szily, K.C.C.Pires, O.C.B.Santos, U.U.Silva, P.N.de Faria, V.Guimaraes, E.O.N.Zevallos, V.Scarduelli, M.Assuncao, J.M.B.Shorto, A.Barioni, J.Alcantara-Nunez, V.Morcelle Two-neutron transfer in the 6He + 120Sn reaction NUCLEAR REACTIONS 120Sn(6He, α), E=20.3, 22.2, 22.4, 24.5 MeV; 120Sn(6He, 6He), E=22.2 MeV, [secondary 6He beam from 9Be(7Li, 6He) primary reaction]; measured reaction products, Eα, Iα, 6He scattered particles, differential σ(E, θ), and σ(θ) for elastic scattering using RIBRAS facility at Sao Paulo University; deduced Q-value centroids, transferred angular momentum, dependence of excitation energy of the residual system on the transferred angular momentum using Brink's formula, and square of the final angular momentum. Comparison with four body continuum discretized coupled channel (CDCC) calculations. Discussed formation of di-nuclear rotating system that could be formed after the reaction.
doi: 10.1103/PhysRevC.99.014601
2019UM01 Phys.Rev. C 99, 064617 (2019) U.Umbelino, K.C.C.Pires, R.Lichtenthaler, V.Scarduelli, G.A.Scotton, A.Lepine-Szily, V.Guimaraes, J.Lubian, B.Paes, J.L.Ferreira, M.A.G.Alvarez, J.M.B.Shorto, S.Appannababu, M.Assuncao, R.P.Condori, V.Morcelle Two-neutron transfer in 7Be + 9Be collisions NUCLEAR REACTIONS 9Be(7Be, 7Be), (7Be, 9Be), E=23.1 MeV, [7Be secondary beam produced in 7Li(6Li, 7Be), E=30 MeV primary reaction]; measured reaction products, ΔE-E total spectrum for p, d, t, α, 6Li, 7Li, 7Be and 9Be charged particles, differential σ(θ) using silicon surface barrier telescopes at the University of Sao Paulo RIBRAS facility. 7,8,9Be; deduced levels, J, π, B(M1), B(E2), electric and magnetic multipole moments; calculated spectroscopic amplitudes for two-particle wave function components using shell model. 9Be(p, t), (p, p), E=14-23 MeV; calculated elastic scattering differential σ(θ, E), and elastic transfer σ(E). Analysis using coupled reaction channel (CRC) and DWBA calculations.
doi: 10.1103/PhysRevC.99.064617
2019ZE01 Phys.Rev. C 99, 064613 (2019) E.O.N.Zevallos, V.Guimaraes, E.N.Cardozo, J.Lubian, R.Linares, R.Lichtenthaler Filho, K.C.C.Pires, O.C.B.Santos, S.Appannababu, E.Crema, J.Alcantara-Nunez, A.L.Lara, Y.S.Villamizar, U.Umbelino, N.Added, M.Assuncao, V.Morcelle, D.S.Monteiro Elastic scattering of the 12B + 58Ni system at near-barrier energies NUCLEAR REACTIONS 58Ni(12B, 12B), E=30.0, 33.0 MeV; measured reaction products, ΔE-E plot and energy spectra for 4He, 7Li, 9Be and 12B, elastic scattering angular distributions, and σ(θ, E) using silicon ΔE-E telescopes at the University of Sao Paulo RIBRAS facility. Comparison with large-scale coupled reaction channel calculations including E2 and E3 inelastic transitions in the target, and one-nucleon transfer reactions.
doi: 10.1103/PhysRevC.99.064613
2018GU23 Eur.Phys.J. A 54, 223 (2018) V.Guimaraes, J.Lubian, J.J.Kolata, E.F.Aguilera, M.Assuncao, V.Morcelle Phenomenological critical interaction distance from elastic scattering measurements on a 208Pb target NUCLEAR REACTIONS 208Pb(9Li, 9Li), (10Be, 10Be), (12C, 12C), (16O, 16O), (19F, 19F), (6Li, 6Li), (7Li, 7Li), (8Li, 8Li), (8He, 8He), (9Be, 9Be), (6He, 6He), (11Li, 11Li), E≈Coulomb barrier; measured reaction products; deduced interaction distance, critical interaction, strong-absorption distances, deduced σ relative to the Rutherford value vs reduced distance of closest approach for 12C and 16O projectiles at energies 58.9 to 84.0 MeV; compared with published data; deduced critical interaction distance, binding energy, other parameters for several target-projectile combinations; compared with other published analyses.
doi: 10.1140/epja/i2018-12662-7
2018LE19 Phys.Rev. C 98, 064601 (2018) E.Leistenschneider, A.Lepine-Szily, M.A.G.Alvarez, D.R.Mendes, R.Lichtenthaler, V.A.P.Aguiar, M.Assuncao, R.P.Condori, U.U.da Silva, P.N.de Faria, N.Deshmukh, J.G.Duarte, L.R.Gasques, V.Guimaraes, E.L.A.Macchione, M.C.Morais, V.Morcelle, K.C.C.Pires, V.B.Scarduelli, G.Scotton, J.M.B.Shorto, V.A.B.Zagatto Spectroscopy of high-lying resonances in 9Be by the measurement of (p, p), (p, d), and (p, α) reactions with a radioactive 8Li beam NUCLEAR REACTIONS 1H(8Li, p)8Li, (8Li, d)7Li, (8Li, α)5He, C, 197Au(8Li, 8Li), E=22.5, 16 MeV, [secondary 8Li beam produced in 9Be(7Li, 8Li), E=24.4 MeV]; measured reaction products, yields, Ep, Ip, Ed, Id, Eα, Iα, differential σ(θ) using ΔE-E silicon telescope at the RIBRAS facility of the University of Sao Paulo 8-UD tandem accelerator. 9Be; deduced levels, resonances, J, π, l-values, Γp, Γd, Γα, and reduced widths γ2 and the dimensionless reduced widths θ2α for the α and deuteron channels using R-matrix analysis. Comparison with previous experimental data.
doi: 10.1103/PhysRevC.98.064601
2013AS06 Phys.Lett. B 723, 355 (2013) Role of the Hoyle state in 12C + 12C fusion NUCLEAR REACTIONS 12C(12C, X)24Mg, E(cm)=26 MeV; calculated σ(θ), S factors, energy levels, J, π. Multichannel folding model, using the density-dependent DDM3Y nucleon-nucleon interaction, comparison with available data.
doi: 10.1016/j.physletb.2013.05.030
2012ME11 Phys.Rev. C 86, 064321 (2012), Erratum Phys.Rev. C 98, 069901 (2018) D.R.Mendes, A.Lepine-Szily, P.Descouvemont, R.Lichtenthaler, V.Guimaraes, P.N.de Faria, A.Barioni, K.C.C.Pires, V.Morcelle, R.P.Condori, M.C.Morais, E.Leistenschneider, C.E.F.Lima, J.C.Zamora, J.A.Alcantara, V.Zagatto, M.Assuncao, J.M.B.Shorto The 8Li(p, α)5He reaction at low energies, and 9Be spectroscopy around the proton threshold NUCLEAR REACTIONS 1H(8Li, α), [secondary 8Li beam from 9Be (7Li, 8Li), E=16-22 MeV primary reaction], E=13.2, 14.5, 17.0, 19.0 MeV; measured particle spectra, differential σ(E). 9Be; deduced proton resonances, levels, J, π, isospin, widths. Three-body and sequential decays. R-matrix analysis. Comparison with previous experimental results. 8Li(p, α)5He; deduced integrated σ, astrophysical S factor and reaction rates.
doi: 10.1103/PhysRevC.86.064321
2011PI08 Phys.Rev. C 83, 064603 (2011) K.C.C.Pires, R.Lichtenthaler, A.Lepine-Szily, V.Guimaraes, P.N.de Faria, A.Barioni, D.R.Mendes, Jr., V.Morcelle, R.P.Condori, M.C.Morais, J.C.Zamora, E.Crema, A.M.Moro, M.Rodriguez-Gallardo, M.Assuncao, J.M.B.Shorto, S.Mukherjee Experimental study of 6He+9Be elastic scattering at low energies NUCLEAR REACTIONS 9Be, 197Au(6He, 6He), E=16.2, 21.3 MeV, [6He secondary beam from 9Be(7Li, 6He), E=22.18, 26.10 MeV primary beam]; measured 6He spectra, cross sections, σ(θ), biparametric spectrum. Effect of the collective couplings to the excited states. Coupled channels calculations, using a double-folding potential, and three- and four-body continuum-discretized coupled-channels (CDCC) calculations.
doi: 10.1103/PhysRevC.83.064603
2010DE14 Phys.Rev. C 81, 044605 (2010) P.N.de Faria, R.Lichtenthaler, K.C.C.Pires, A.M.Moro, A.Lepine-Szily, V.Guimaraes, D.R.Mendes, Jr., A.Arazi, M.Rodriguez-Gallardo, A.Barioni, V.Morcelle, M.C.Morais, O.Camargo, Jr., J.Alcantara Nunez, M.Assuncao Elastic scattering and total reaction cross section of 6He+120Sn NUCLEAR REACTIONS 120Sn(6He, 6He), E=17.40, 18.05, 19.80, 20.5 MeV; σ(E, θ). Comparison with optical model and continuum discretized coupled channels (CDCC) calculations.
doi: 10.1103/PhysRevC.81.044605
2010LE14 Nucl.Phys. A834, 491c (2010) A.Lepine-Szily, R.Lichtenthaler, V.Guimaraes, D.R.Mendes, Jr, P.N.de Faria, A.Barioni, E.A.Benjamim, K.C.C.Pires, V.Morcelle, R.P.Condori, M.C.Morais, P.Descouvemont, A.M.Moro, M.Rodriguez Gallardo, M.M.Assuncao, J.A.Alcantara Nunez, J.M.B.Shorto, J.C.Zamora, E.Leistenschneider, C.E.F.Lima Scientific program of the Radioactive Ion Beams Facility in Brasil (RIBRAS) NUCLEAR REACTIONS 1H(8Li, α), E=13.2, 14.5, 17.4, 19.0 MeV; measured Eα, Iα(θ=forward); deduced σ(θ=forward), effect of halo nuclei. 9Be(6He, 6He), E=16.2 MeV; measured σ(θ); deduced effect of halo nuclei.
doi: 10.1016/j.nuclphysa.2010.01.074
2009BA42 Phys.Rev. C 80, 034617 (2009) A.Barioni, V.Guimaraes, A.Lepine-Szily, R.Lichtenthaler, D.R.Mendes, Jr., E.Crema, K.C.C.Pires, M.C.Morais, V.Morcelle, P.N.de Faria, R.P.Condori, A.M.Moro, D.S.Monteiro, J.M.B.Shorto, J.Lubian, M.Assuncao Elastic scattering and total reaction cross sections for the 8Li+12C system NUCLEAR REACTIONS 12C(8Li, 8Li), (8Li, 9Be)11B, E=23.9 MeV; measured particle spectra, σ, σ(θ); deduced spectroscopic factors. Optical-model analysis with Woods-Saxon and double-folding Sao Paulo potential. Coupled-channel analysis for breakup and inelastic channels. Comparison of spectroscopic factors with shell-model calculations and previous experimental data.
doi: 10.1103/PhysRevC.80.034617
2008FI10 Phys.Rev. C 78, 044613 (2008) C.Fitoussi, J.Duprat, V.Tatischeff, J.Kiener, F.Naulin, G.Raisbeck, M.Assuncao, C.Bourgeois, M.Chabot, A.Coc, C.Engrand, M.Gounelle, F.Hammache, A.Lefebvre, M.-G.Porquet, J.-A.Scarpaci, N.De Sereville, J.-P.Thibaud, F.Yiou Measurement of the 24Mg(3He, p)26Al cross section: Implication for 26Al production in the early solar system NUCLEAR REACTIONS Mg(3He, p)25Al/26Al/25Mg/22Na/23Na, E=3-36 MeV; measured Eγ, Iγ, γγ-coin, σ. 26Al; deduced levels, J, π. Implications for production in early solar system.
doi: 10.1103/PhysRevC.78.044613
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
2007DE47 Nucl.Phys. A791, 251 (2007) N.de Sereville, A.Coc, C.Angulo, M.Assuncao, D.Beaumel, E.Berthoumieux, B.Bouzid, S.Cherubini, M.Couder, P.Demaret, F.de Oliveira Santos, P.Figuera, S.Fortier, M.Gaelens, F.Hammache, J.Kiener, A.Lefebvre-Schuhl, D.Labar, P.Leleux, M.Loiselet, A.Ninane, S.Ouichaoui, G.Ryckewaert, N.Smirnova, V.Tatischeff Indirect study of 19Ne states near the 18F + p threshold NUCLEAR REACTIONS 2H(18F, p), (18F, pα), E(cm)=1.4 MeV; measured particle energies and yields, cross sections and angular distributions. 19F, Ne deduced level energies and decay widths. Discussed astrophysical implications.
doi: 10.1016/j.nuclphysa.2007.02.003
2007GU13 Phys.Rev. C 75, 054602 (2007) V.Guimaraes, R.Lichtenthaler, O.Camargo, A.Barioni, M.Assuncao, J.J.Kolata, H.Amro, F.D.Becchetti, H.Jiang, E.F.Aguilera, D.Lizcano, E.Martines-Quiroz, H.Garcia Neutron transfer reactions induced by 8Li on 9Be NUCLEAR REACTIONS 9Be(8Li, 8Li), 9Be(8Li, 7Li), 9Be(8Li, 9Li), E=27 MeV; measured σ and angular distributions. Deduced spectroscopic factors, compared results to optical model calculations.
doi: 10.1103/PhysRevC.75.054602
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
2006AS02 Phys.Rev. C 73, 055801 (2006) M.Assuncao, M.Fey, A.Lefebvre-Schuhl, J.Kiener, V.Tatischeff, J.W.Hammer, C.Beck, C.Boukari-Pelissie, A.Coc, J.J.Correia, S.Courtin, F.Fleurot, E.Galanopoulos, C.Grama, F.Haas, F.Hammache, F.Hannachi, S.Harissopulos, A.Korichi, R.Kunz, D.LeDu, A.Lopez-Martens, D.Malcherek, R.Meunier, Th.Paradellis, M.Rousseau, N.Rowley, G.Staudt, S.Szilner, J.P.Thibaud, J.L.Weil E1 and E2 S factors of 12C(α, γ0)160 from γ-ray angular distributions with a 4π-detector array NUCLEAR REACTIONS 12C(α, γ), E(cm)=1.30-2.78 MeV; measured Eγ, Iγ(θ); deduced E1 and E2 astrophysical S-factors.
doi: 10.1103/PhysRevC.73.055801
2005FL02 Phys.Lett. B 615, 167 (2005) F.Fleurot, A.M.van den Berg, B.Davids, M.N.Harakeh, V.L.Kravchuk, H.W.Wilschut, J.Guillot, H.Laurent, A.Willis, M.Assuncao, J.Kiener, A.Lefebvre, N.de Sereville, V.Tatischeff 16O Coulomb dissociation: towards a new means to determine the 12C + α fusion rate in stars NUCLEAR REACTIONS 208Pb(16O, 16O'), (16O, α12C), E=60, 80 MeV/nucleon; measured particle spectra, σ(E, θ), angular correlations; deduced reaction mechanism features. DWBA and coupled-channels analyses.
doi: 10.1016/j.physletb.2005.04.035
2005HA16 Nucl.Phys. A752, 514c (2005) J.W.Hammer, M.Fey, R.Kunz, J.Kiener, V.Tatischeff, F.Haas, J.L.Weil, M.Assuncao, C.Beck, C.Boukari-Pelissie, A.Coc, J.J.Correia, S.Courtin, F.Fleurot, E.Galanopoulos, C.Grama, F.Hammache, S.Harissopulos, A.Korichi, E.Krmpotic, D.Le Du, A.Lopez-Martens, D.Malcherek, R.Meunier, P.Papka, T.Paradellis, M.Rousseau, N.Rowley, G.Staudt, S.Szilner New determination of the 12C(α, γ)16O reaction rate from γ-ray angular distribution measurements NUCLEAR REACTIONS 12C(α, γ), E(cm)=0.89-2.8 MeV; measured σ(θ), S-factors; deduced astrophysical reaction rate.
doi: 10.1016/j.nuclphysa.2005.02.056
2005HA48 Nucl.Phys. A758, 363c (2005) J.W.Hammer, M.Fey, R.Kunz, J.Kiener, V.Tatischeff, F.Haas, J.L.Weil, M.Assuncao, C.Beck, C.Boukari-Pelissie, A.Coc, J.J.Correia, S.Courtin, F.Fleurot, E.Galanopoulos, C.Grama, F.Hammache, S.Harissopulos, A.Korichi, E.Krmpotic, D.Le Du, A.Lopez-Martens, D.Malcherek, R.Meunier, P.Papka, T.Paradellis, M.Rousseau, N.Rowley, G.Staudt, S.Szilner E1 and E2 capture cross section and astrophysical reaction rate of the key reaction 12C(α, γ)16O NUCLEAR REACTIONS 12C(α, γ), E(cm)=0.89-2.8 MeV; measured Eγ, Iγ, angular distributions; deduced S-factors for E1 and E2 capture. Eurogam and Gandi arrays, astrophysical implications discussed.
doi: 10.1016/j.nuclphysa.2005.05.066
2004AS11 Phys.Rev. C 70, 054601 (2004) M.Assuncao, R.Lichtenthaler, V.Guimaraes, A.Lepine-Szily, G.F.Lima, A.M.Moro Higher order effects in the 16O(d, p)17O and 16O(d, n)17F transfer reactions NUCLEAR REACTIONS 16O(d, n), (d, p), E=2.29-3.27 MeV; calculated σ(E, θ); deduced strong polarization effect. Coupled channels approach, comparisons with data.
doi: 10.1103/PhysRevC.70.054601
2003DE15 Phys.Rev. C 67, 052801 (2003) N.de Sereville, A.Coc, C.Angulo, M.Assuncao, D.Beaumel, B.Bouzid, S.Cherubini, M.Couder, P.Demaret, F.de Oliveira Santos, P.Figuera, S.Fortier, M.Gaelens, F.Hammache, J.Kiener, A.Lefebvre, D.Labar, P.Leleux, M.Loiselet, A.Ninane, S.Ouichaoui, G.Ryckewaert, N.Smirnova, V.Tatischeff, J.-P.Thibaud 2H(18F, pα)15N reaction applied to nova γ-ray emission NUCLEAR REACTIONS 2H(18F, pα), E=14 MeV; measured particle spectra, σ(θ), p(recoil)-, α(recoil)-coin; deduced excitation energy spectra. DWBA analysis, implications for astrophysical reaction rate discussed.
doi: 10.1103/PhysRevC.67.052801
2003DE26 Nucl.Phys. A718, 259c (2003) N.de Sereville, A.Coc, C.Angulo, M.Assuncao, D.Beaumel, B.Bouzid, S.Cherubini, M.Couder, P.Demaret, F.de Oliveira Santos, P.Figuera, S.Fortier, M.Gaelens, F.Hammache, J.Kiener, D.Labar, A.Lefebvre, P.Leleux, M.Loiselet, A.Ninane, S.Ouichaoui, G.Ryckewaert, N.Smirnova, V.Tatischeff, J.P.Thibaud Study of the 18F(p, α)15O reaction for application to nova γ-ray emission NUCLEAR REACTIONS 2H(18F, p), E=14 MeV; measured excitation energy spectrum, σ(θ); deduced spectroscopic factor. Astrophysical implications discussed.
doi: 10.1016/S0375-9474(03)00725-5
2003TA13 Phys.Rev. C 68, 025804 (2003) V.Tatischeff, J.Duprat, J.Kiener, M.Assuncao, A.Coc, C.Engrand, M.Gounelle, A.Lefebvre, M.-G.Porquet, N.de Sereville, J.P.Thibaud, C.Bourgeois, M.Chabot, F.Hammache, J.-A.Scarpaci Cross sections relevant to γ-ray line emission on solar flares: 3He-induced reactions on 16O nuclei NUCLEAR REACTIONS 16O(3He, n), (3He, p), E=3.7-36 MeV; measured Eγ, Iγ; deduced γ-ray production σ(E). Astrophysical implications discussed.
doi: 10.1103/PhysRevC.68.025804
Back to query form Note: The following list of authors and aliases matches the search parameter M.Assuncao: , M.M.ASSUNCAO |