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NSR database version of April 11, 2024.

Search: Author = M.A.Alvarez

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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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1031.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1026.


2021AL13      Phys.Rev. C 103, 054614 (2021)

M.A.G.Alvarez, M.Rodriguez-Gallardo, J.P.Fernandez-Garcia, J.Casal, J.A.Lay

Systematic calculations of reactions with exotic and stable nuclei to establish a unified theoretical approach

NUCLEAR REACTIONS 208Pb(11Li, 11Li), E=29.8 MeV; 208Pb(9Li, 9Li), E=29.5 MeV; 208Pb(9Be, 9Be), E=44.0 MeV; 208Pb(12C, 12C), E=75 MeV; 197Au(11Be, 11Be), E=39.6 MeV; 120Sn(6He, 6He), E=18 MeV; calculated and analyzed experimental data for elastic scattering cross sections; deduced systematic free optical model (OM) parameters using continuum discretized coupled channel (CDCC) calculations; deduced Coulomb dipole polarization (CDP) potential and trivial equivalent local potential (TELP).

doi: 10.1103/PhysRevC.103.054614
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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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1002.


2021KU26      Phys.Rev. C 104, 044601 (2021)

K.Kuhn, F.Sarazin, F.M.Nunes, M.A.G.Alvarez, C.Andreoiu, D.W.Bardayan, P.C.Bender, J.C.Blackmon, M.J.G.Borge, R.Braid, B.A.Brown, W.N.Catford, C.Aa.Diget, A.DiPietro, T.E.Drake, P.Figuera, A.B.Garnsworthy, J.Gomez-Camacho, G.Hackman, U.Hager, S.V.Ilyushkin, E.Nacher, P.D.O'Malley, A.Perea, V.Pesudo, S.T.Pittman, D.Smalley, C.E.Svensson, O.Tengblad, P.Thompson, C.Unsworth, Z.M.Wang

Experimental study of the nature of the 1- and 2- excited states in 10Be using the 11Be(p, d) reaction in inverse kinematics

NUCLEAR REACTIONS 1H(11Be, d)10Be, (11Be, p), (11Be, p'), E=9.93 MeV/nucleon, [secondary 11Be beam from Ta(p, X), E=479 MeV primary reaction at TRIUMF cyclotron, followed by extraction of 11Be using Resonant Ionization Laser Ion Source (TRILIS) and accelerated through the ISAC-I and ISAC-II accelerators]; measured E(d), I(d), E(p), I(p), elastic and inelastic σ(θ) of outgoing protons, σ(θ) for deuterons using silicon telescopes, Eγ, Iγ, dγ-coin using TIGRESS array of 12 HPGe detectors for γ detection. 10Be; deduced levels, spectroscopic factors for 5960, 1- and 6263, 2- levels, mixed configurations with halo and cluster structures. Comparison of spectroscopic factors with predictions of shell model. Reaction kinematics and angular distributions analyzed using two versions of transfer reaction model considering one-step and two-step processes. Comparison with previous experimental results from RCNP and ISOLDE-CERN.

doi: 10.1103/PhysRevC.104.044601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2682.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0979.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0981.


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
Citations: PlumX Metrics


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0945.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0964.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0913.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0901.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0933. Data from this article have been entered in the XUNDL database. For more information, click here.


2018MA56      Phys.Rev. C 98, 034615 (2018)

G.Marquinez-Duran, I.Martel, A.M.Sanchez-Benitez, L.Acosta, J.L.Aguado, R.Berjillos, A.R.Pinto, T.Garcia, J.A.Duenas, K.Rusek, N.Keeley, K.W.Kemper, M.A.G.Alvarez, M.J.G.Borge, A.Chbihi, C.Cruz, M.Cubero, J.P.Fernandez-Garcia, B.Fernandez-Martinez, J.L.Flores, J.Gomez-Camacho, J.A.Labrador, F.M.Marques, A.M.Moro, M.Mazzocco, A.Pakou, V.V.Parkar, N.Patronis, V.Pesudo, D.Pierroutsakou, R.Raabe, R.Silvestri, N.Soic, L.Standylo, I.Strojek, O.Tengblad, R.Wolski, Z.Abou-Haidar

Interaction of 8He with 208Pb at near-barrier energies: 4He and 6He production

NUCLEAR REACTIONS 208Pb(8He, 6He), (8He, α), (8He, 8He), E=16, 22 MeV; measured reaction products, and differential σ(θ) using GLORIA detector array of SPIRAL-GANIL facility; deduced σ(2n)/σ(1n) ratio. Comparison with optical model and DWBA calculations. Inferred dominant neutron-stripping mechanism.

doi: 10.1103/PhysRevC.98.034615
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2416.


2017PE06      Phys.Rev.Lett. 118, 152502 (2017)

V.Pesudo, M.J.G.Borge, A.M.Moro, J.A.Lay, E.Nacher, J.Gomez-Camacho, O.Tengblad, L.Acosta, M.Alcorta, M.A.G.Alvarez, C.Andreoiu, P.C.Bender, R.Braid, M.Cubero, A.Di Pietro, J.P.Fernandez-Garcia, P.Figuera, M.Fisichella, B.R.Fulton, A.B.Garnsworthy, G.Hackman, U.Hager, O.S.Kirsebom, K.Kuhn, M.Lattuada, G.Marquinez-Duran, I.Martel, D.Miller, M.Moukaddam, P.D.O'Malley, A.Perea, M.M.Rajabali, A.M.Sanchez-Benitez, F.Sarazin, V.Scuderi, C.E.Svensson, C.Unsworth, Z.M.Wang

Scattering of the Halo Nucleus 11Be on 197Au at Energies around the Coulomb Barrier

NUCLEAR REACTIONS 197Au(11Be, X), E=31.9 MeV; measured reaction products; deduced σ, σ(θ), B(E1). Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.118.152502
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2259.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0847.


2016LI17      Few-Body Systems 57, 157 (2016)

R.Lichtenthaler, M.A.G.Alvarez, A.Lepine-Szily, S.Appannababu, K.C.C.Pires, U.U.da Silva, V.Scarduelli, R.P.Condori, N.Deshmukh

RIBRAS: The Facility for Exotic Nuclei in Brazil

doi: 10.1007/s00601-015-1039-z
Citations: PlumX Metrics


2016MA18      Acta Phys.Pol. B47, 841 (2016)

G.Marquinez-Duran, A.M.Sanchez-Benitez, I.Martel, L.Acosta, K.Rusek, M.A.G.Alvarez, R.Berjillos, M.J.G.Borge, A.Chbihi, C.Cruz, M.Cubero, J.A.Duenas, J.P.Fernandez-Garcia, B.Fernandez-Martinez, J.L.Flores, J.Gomez-Camacho, N.Keeley, J.A.Labrador, M.Marques, A.M.Moro, M.Mazzocco, A.Pakou, V.V.Parkar, N.Patronis, V.Pesudo, D.Pierroutsakou, R.Raabe, R.Silvestri, N.Soic, L.Standylo, I.Strojek, O.Tengblad, R.Wolski, A.H.Zia

Study of the Near-barrier Scattering of 8He on 208Pb

NUCLEAR REACTIONS 208Pb(8He, 8He), E=22 MeV; measured reaction products; deduced σ.

doi: 10.5506/APhysPolB.47.841
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2326.


2016MA79      Phys.Rev. C 94, 064618 (2016)

G.Marquinez-Duran, I.Martel, A.M.Sanchez-Benitez, L.Acosta, R.Berjillos, J.Duenas, K.Rusek, N.Keeley, M.A.G.Alvarez, M.J.G.Borge, A.Chbihi, C.Cruz, M.Cubero, J.P.Fernandez-Garcia, B.Fernandez-Martinez, J.L.Flores, J.Gomez-Camacho, K.W.Kemper, J.A.Labrador, M.Marques, A.M.Moro, M.Mazzocco, A.Pakou, V.V.Parkar, N.Patronis, V.Pesudo, D.Pierroutsakou, R.Raabe, R.Silvestri, N.Soic, L.Standylo, I.Strojek, O.Tengblad, R.Wolski, Z.Abou-Haidar

Precise measurement of near-barrier 8He+ 208Pb elastic scattering: Comparison with 6He

NUCLEAR REACTIONS 208Pb(8He, 8He), E=22 MeV, [secondary 8He beam from C(13C, X), E=75 MeV/nucleon primary reaction using SPIRAL2 facility at GANIL]; measured scattered particles and reaction fragments, and angular distributions using the Global Reaction Array (GLORIA) detection system; deduced optical model parameters using optical model analysis for data from the present experiment and those from previous 208Pb(6He, 6He), E=22 MeV reaction, much longer range absorption for 6He as compared to that for 8He.

doi: 10.1103/PhysRevC.94.064618
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2326.


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
Citations: PlumX Metrics


2015FE09      Phys.Rev. C 92, 044608 (2015)

J.P.Fernandez-Garcia, M.Cubero, L.Acosta, M.Alcorta, M.A.G.Alvarez, M.J.G.Borge, L.Buchmann, C.A.Diget, H.A.Falou, B.Fulton, H.O.U.Fynbo, D.Galaviz, J.Gomez-Camacho, R.Kanungo, J.A.Lay, M.Madurga, I.Martel, A.M.Moro, I.Mukha, T.Nilsson, M.Rodriguez-Gallardo, A.M.Sanchez-Benitez, A.Shotter, O.Tengblad, P.Walden

Simultaneous analysis of the elastic scattering and breakup channel for the reaction 11Li+208Pb at energies near the Coulomb barrier

NUCLEAR REACTIONS 208Pb(11Li, 11Li), (11Li, X), (9Li, X), E=24.3, 29.8 MeV, [11Li beam from Ta(p, X), E=500 MeV from radioactive ion beam facility at TRIUMF]; measured 9,11Li elastic scattering and 9Li fragment spectra using detector telescopes, σ(θ), reaction and breakup σ; deduced energy distributions of the outgoing 9Li fragments from breakup of 11Li, B(E1) distributions of 11Li. Comparison to coupled-reaction-channel (CRC) and continuum-discretized coupled-channel (CDCC) calculations.

doi: 10.1103/PhysRevC.92.044608
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2014PE05      Acta Phys.Pol. B45, 375 (2014)

V.Pesudo, M.J.G.Borge, A.M.Moro, E.Nacher, L.Acosta, M.Alcorta, M.A.G.Alvarez, G.C.Ball, P.C.Bender, R.Braid, M.Cubero, A.di Pietro, J.P.Fernandez-Garcia, P.Figuera, M.Fisichella, B.R.Fulton, A.B.Garnsworthy, J.Gomez-Camacho, G.Hackman, O.S.Kirsebom, K.Kuhn, R.Kruecken, M.Lattuada, J.A.Lay, G.Marquinez-Duran, I.Martel, D.Miller, M.Moukaddam, P.D.O'Malley, A.Perea, M.M.Rajabali, A.M.Sanchez-Benitez, F.Sarazin, V.Scuderi, C.E.Svensson, O.Tengblad, C.Unsworth, Z.M.Wang

Reaction of the Halo Nucleus 11Be on Heavy Targets at Energies Around the Coulomb Barrier

NUCLEAR REACTIONS 197Au(11Be, X), E=31.9 MeV; measured reaction products; deduced σ. Comparison with CDCC calculations.

doi: 10.5506/APhysPolB.45.375
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2013CR04      Phys.Rev. C 88, 044616 (2013)

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

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

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

doi: 10.1103/PhysRevC.88.044616
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2013FE04      Phys.Rev.Lett. 110, 142701 (2013)

J.P.Fernandez-Garcia, M.Cubero, M.Rodriguez-Gallardo, L.Acosta, M.Alcorta, M.A.G.Alvarez, M.J.G.Borge, L.Buchmann, C.A.Diget, H.A.Falou, B.R.Fulton, H.O.U.Fynbo, D.Galaviz, J.Gomez-Camacho, R.Kanungo, J.A.Lay, M.Madurga, I.Martel, A.M.Moro, I.Mukha, T.Nilsson, A.M.Sanchez-Benitez, A.Shotter, O.Tengblad, P.Walden

11Li Breakup on 208Pb at Energies Around the Coulomb Barrier

NUCLEAR REACTIONS 208Pb(11Li, X), (11Li, 9Li), E=24.3, 29.8 MeV; measured reaction products. 9,11Li; deduced breakup probabilities angular and B(E1) distributions. Comparison with CDCC calculations, available data.

doi: 10.1103/PhysRevLett.110.142701
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2013MA19      Acta Phys.Pol. B44, 467 (2013)

G.Marquinez-Duran, A.M.Sanchez-Benitez, I.Martel, L.Acosta, K.Rusek, M.A.G.Alvarez, R.Berjillos, M.J.G.Borge, A.Chbihi, C.Cruz, M.Cubero, J.A.Duenas, J.P.Fernandez-Garcia, B.Fernandez Martinez, J.L.Flores, J.Gomez-Camacho, N.Keeley, J.A.Labrador, M.Marques, A.M.Moro, M.Mazzocco, A.Pakou, V.V.Parkar, N.Patronis, V.Pesudo, D.Pierroutsakou, R.Raabe, R.Silvestri, N.Soic, L.Standylo, I.Strojek, O.Tengblad, R.Wolski, A.H.Ziad

Elastic Scattering of 8He + 208Pb at 22 MeV

NUCLEAR REACTIONS 208Pb(8He, 8He), E=22 MeV; measured reaction products; deduced σ, σ(θ). Global reaction array, comparison with optical model calculations.

doi: 10.5506/APhysPolB.44.467
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2012BO20      J.Phys.:Conf.Ser. 381, 012085 (2012)

M.J.G.Borge, M.Cubero, J.P.Fernandez-Garcia, L.Acosta, M.Alcorta, M.A.G.Alvarez, L.Buchmann, C.A.Diget, H.A.Falou, B.Fulton, H.O.U.Fynbo, D.Galaviz, J.Gomez-Camacho, R.Kanungo, J.A.Lay, M.Madurga, I.Mukha, T.Nilsson, A.M.Sanchez-Benitez, A.Shotter, O.Tengblad, P.Walden

Scattering of the halo nucleus 11Li and its core 9Li on 208Pb at energies around the Coulomb barrier

NUCLEAR REACTIONS 208Pb(9Li, 9Li), (11Li, 11Li), E≈Coulomb barrier; measured 9Li, 11Li halo nucleus using DSSSD and SSSD telescopes; calculated σ(θ) using optical model and also CDCC (continuum-discretized CC); deduced σ(θ) at E(cm)=23.0, 28.2 MeV, 11Li breakup σ. Preliminary.

doi: 10.1088/1742-6596/381/1/012085
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2012CU02      Phys.Rev.Lett. 109, 262701 (2012)

M.Cubero, J.P.Fernandez-Garcia, M.Rodriguez-Gallardo, L.Acosta, M.Alcorta, M.A.G.Alvarez, M.J.G.Borge, L.Buchmann, C.A.Diget, H.Al Falou, B.R.Fulton, H.O.U.Fynbo, D.Galaviz, J.Gomez-Camacho, R.Kanungo, J.A.Lay, M.Madurga, I.Martel, A.M.Moro, I.Mukha, T.Nilsson, A.M.Sanchez-Benitez, A.Shotter, O.Tengblad, P.Walden

Do Halo Nuclei Follow Rutherford Elastic Scattering at Energies Below the Barrier? The Case of 11Li

NUCLEAR REACTIONS 208Pb(11Li, 11Li), (9Li, 9Li), E=23.9-43 MeV. 9,11Li; measured reaction products; deduced σ(θ), Rutherford σ. Four-body CDCC calculations with code FRESCO calculations.

doi: 10.1103/PhysRevLett.109.262701
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2012MA02      Acta Phys.Pol. B43, 239 (2012)

G.Marquinez-Duran, A.M.Sanchez-Benitez, I.Martel, R.Berjillos, J.Duenas, V.V.Parkar, L.Acosta, K.Rusek, M.A.G.Alvarez, J.Gomez-Camacho, M.J.G.Borge, C.Cruz, M.Cubero, V.Pesudo, O.Tengblad, A.Chbihi, J.P.Fernandez-Garcia, B.Fernandez Martinez, J.A.Labrador, A.H.Ziad, J.L.Flores, N.Keeley, L.Standylo, I.Strojek, M.Marques, M.Mazzocco, A.Pakou, N.Patronis, D.Pierroutsakou, R.Silvestri, R.Raabe, N.Soic, R.Wolski

Scattering of 8He on 208Pb at Energies Around the Coulomb Barrier

NUCLEAR REACTIONS 208Pb(8He, X)4He/6He, E=18, 22 MeV; measured reaction products;deduced σ(θ). Comparison with optical model calculations.

doi: 10.5506/APhysPolB.43.239
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2012MU05      Phys.Rev. C 85, 044325 (2012)

I.Mukha, L.Grigorenko, L.Acosta, M.A.G.Alvarez, E.Casarejos, A.Chatillon, D.Cortina-Gil, J.M.Espino, A.Fomichev, J.E.Garcia-Ramos, H.Geissel, J.Gomez-Camacho, J.Hofmann, O.Kiselev, A.Korsheninnikov, N.Kurz, Yu.A.Litvinov, I.Martel, C.Nociforo, W.Ott, M.Pfutzner, C.Rodriguez-Tajes, E.Roeckl, C.Scheidenberger, M.Stanoiu, K.Summerer, H.Weick, P.J.Woods

New states in 18Na and 19Mg observed in the two-proton decay of 19Mg

NUCLEAR REACTIONS 9Be(20Mg, 2p17Ne), [20Mg secondary beam from 9Be(24Mg, X), E=450 MeV/nucleon primary reaction], E not given; measured particle spectra, (proton)(proton)(17Ne)(θ), intensity distribution contours using microstrip detectors. 19Mg, 18Na; deduced decay energies, levels, J, π, proton decay widths. 19Mg; deduced simultaneous and sequential 2p decays from ground states and excited states, dominance of sequential 2p decay from excited states. Comparison with shell model calculations.

RADIOACTIVITY 18Na(p), 19Mg(2p); measured proton branches; deduced one proton and two-proton decay energies. Dominance of direct 2p decay from 19Mg ground state.

doi: 10.1103/PhysRevC.85.044325
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2011AC02      Phys.Rev. C 84, 044604 (2011)

L.Acosta, A.M.Sanchez-Benitez, M.E.Gomez, I.Martel, F.Perez-Bernal, F.Pizarro, J.Rodriguez-Quintero, K.Rusek, M.A.G.Alvarez, M.V.Andres, J.M.Espino, J.P.Fernandez-Garcia, J.Gomez-Camacho, A.M.Moro, C.Angulo, J.Cabrera, E.Casarejos, P.Demaret, M.J.G.Borge, D.Escrig, O.Tengblad, S.Cherubini, P.Figuera, M.Gulino, M.Freer, C.Metelko, V.Ziman, R.Raabe, I.Mukha, D.Smirnov, O.R.Kakuee, J.Rahighi

Elastic scattering and α-particle production in 6He + 208Pb collisions at 22 MeV

NUCLEAR REACTIONS 208Pb(6He, 6He), [secondary 6He beam from 7Li(p, 2p), E=30 MeV primary reaction], E=22 MeV; measured particle spectra, yields, σ(θ), 4He production rates and 4He energy distribution spectrum. DWBA analysis. Discussed neutron transfer mechanism for 4He production.

doi: 10.1103/PhysRevC.84.044604
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2011NA04      Acta Phys.Pol. B42, 725 (2011)

F.Naqvi, P.Boutachkov, M.Gorska, J.Gerl, F.Farinon, E.T.Gregor, K.Hadynska, A.Jhingan, R.Janik, I.Kojouharov, N.A.Kondratyev, M.A.G.Alvarez, I.Mukha, P.Napiorkowski, C.Nociforo, D.Pietak, W.Prokopowicz, S.Pietri, A.Prochazka, H.Schaffner, P.Strmen, H.Weick, H.J.Wollersheim

Development of Slowed Down Beams at the Fragment Separator for FAIR

doi: 10.5506/APhysPolB.42.725
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2010FE05      Phys.Lett. B 693, 310 (2010)

J.P.Fernandez-Garcia, M.A.G.Alvarez, A.M.Moro, M.Rodriguez-Gallardo

Simultaneous analysis of elastic scattering and transfer/breakup channels for the 6He + 208Pb reaction at energies near the Coulomb barrier

NUCLEAR REACTIONS 208Pb(6He, 6He), (6He, α), E=14, 16, 18, 22, 27 MeV; calculated σ(θ), σ(E), σ, effective potentials. Coupled-Reaction-Channels (CRC) method.

doi: 10.1016/j.physletb.2010.07.060
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2010FE09      Nucl.Phys. A840, 19 (2010)

J.P.Fernandez-Garcia, M.Rodriguez-Gallardo, M.A.G.Alvarez, A.M.Moro

Long range effects on the optical model of 6He around the Coulomb barrier

NUCLEAR REACTIONS 27Al(6He, 6He), E=9.5, 11, 12, 13.4 MeV; 208Pb(6He, 6He), E=14, 16, 18, 22, 27 MeV; calculated σ(θ) using an optical model with various potentials and coupled-channels approach. Comparison with data.

doi: 10.1016/j.nuclphysa.2010.03.013
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2010FL01      Phys.Rev. C 82, 027309 (2010)

X.Flechard, E.Lienard, O.Naviliat-Cuncic, D.Rodriguez, M.A.G.Alvarez, G.Ban, B.Carniol, D.Etasse, J.M.Fontbonne, A.M.Lallena, J.Praena

Measurement of the 8Li half-life

RADIOACTIVITY 8Li(β-)[from 7Li(d, p), E=1.98 MeV]; measured Eβ, Iβ, half-life. Comparison with previous measurements.

doi: 10.1103/PhysRevC.82.027309
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2010MU12      Phys.Rev. C 82, 054315 (2010)

I.Mukha, K.Summerer, L.Acosta, M.A.G.Alvarez, E.Casarejos, A.Chatillon, D.Cortina-Gil, I.A.Egorova, J.M.Espino, A.Fomichev, J.E.Garcia-Ramos, H.Geissel, J.Gomez-Camacho, L.Grigorenko, J.Hofmann, O.Kiselev, A.Korsheninnikov, N.Kurz, Yu.A.Litvinov, E.Litvinova, I.Martel, C.Nociforo, W.Ott, M.Pfutzner, C.Rodriguez-Tajes, E.Roeckl, M.Stanoiu, N.K.Timofeyuk, H.Weick, P.J.Woods

Spectroscopy of proton-unbound nuclei by tracking their decay products in-flight: One- and two- proton decays of 15F, 16Ne, and 19Na

NUCLEAR REACTIONS 9Be(17Ne, X)16Ne, E=410 MeV/nucleon; 9Be(20Mg, X), E=450 MeV/nucleon; measured Ep, Ip, p(heavy-ion)-coin, p(heavy-ion)(θ), pp(heavy-ion fragment)-coin, pp(heavy-ion fragment)(θ), Monte-Carlo simulations. 14O, 15F, 16Ne; deduced levels, J, resonances, proton-decay modes, widths. 17Ne and 20Mg beams from fragmentation of 24Mg beam at 591 MeV/nucleon.

RADIOACTIVITY 15F, 19Na(p); 16Ne(2p); measured Ep, Ip, p(14O)-coin, p(14O)(θ), p(18Ne)-coin, p(18Ne)(θ), pp(14O)(θ), pp(14O)-coin; deduced decay energies and widths. Monte-Carlo simulations of angular correlation spectra.

doi: 10.1103/PhysRevC.82.054315
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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
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2009AC02      Eur.Phys.J. A 42, 461 (2009); Erratum Eur.Phys.J. A 42, 623 (2009)

L.Acosta, M.A.G.Alvarez, M.V.Andres, M.J.G.Borge, M.Cortes, J.M.Espino, D.Galaviz, J.Gomez-Camacho, A.Maira, I.Martel, A.M.Moro, I.Mukha, F.Perez-Bernal, E.Reillo, D.Rodriguez, K.Rusek, A.M.Sanchez-Benitez, O.Tengblad

Signature of a strong coupling with the continuum in 11Be + 120Sn scattering at the Coulomb barrier

NUCLEAR REACTIONS 120Sn(11Be, 11Be), (11Be, 11Be'), E=2.91 MeV/nucleon; measured particle spectra using DSSSD array at REX-ISOLDE; deduced σ(θ). Comparison with coupled-channel calculations. Secondary radioactive halo nuclide beam.

doi: 10.1140/epja/i2009-10822-6
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2009MU09      Phys.Rev. C 79, 061301 (2009)

I.Mukha, N.K.Timofeyuk, K.Summerer, L.Acosta, M.A.G.Alvarez, E.Casarejos, A.Chatillon, D.Cortina-Gil, J.M.Espino, A.Fomichev, J.E.Garcia-Ramos, H.Geissel, J.Gomez-Camacho, L.Grigorenko, J.Hofmann, O.Kiselev, A.Korsheninnikov, N.Kurz, Yu.Litvinov, I.Martel, C.Nociforo, W.Ott, M.Pfutzner, C.Rodriguez-Tajes, E.Roeckl, M.Stanoiu, H.Weick, P.J.Woods

Observation of narrow states in nuclei beyond the proton drip line: 15F and 16Ne

NUCLEAR REACTIONS 9Be(17Ne, X)16Ne/15F, E=450 MeV/nucleon; measured particle spectra, (particle)(proton)(θ), (particle)(proton)(proton)(θ), and widths. 15F, 16Ne; deduced levels, J, π.

doi: 10.1103/PhysRevC.79.061301
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2008MU13      Phys.Rev. C 77, 061303 (2008)

I.Mukha, L.Grigorenko, K.Summerer, L.Acosta, M.A.G.Alvarez, E.Casarejos, A.Chatillon, D.Cortina-Gil, J.M.Espino, A.Fomichev, J.E.Garcia-Ramos, H.Geissel, J.Gomez-Camacho, J.Hofmann, O.Kiselev, A.Korsheninnikov, N.Kurz, Yu.Litvinov, I.Martel, C.Nociforo, W.Ott, M.Pfutzner, C.Rodriguez-Tajes, E.Roeckl, M.Stanoiu, H.Weick, P.J.Woods

Proton-proton correlations observed in two-proton decay of 19Mg and 16Ne

RADIOACTIVITY 16Ne, 19Mg(2p); measured decay product trajectories, angular correlations, angular distributions, three-body correlations. 15F, 16Ne, 18Na, 19Mg; deduced levels, J, π.

doi: 10.1103/PhysRevC.77.061303
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2008SA09      Nucl.Phys. A803, 30 (2008)

A.M.Sanchez-Benitez, D.Escrig, M.A.G.Alvarez, M.V.Andres, C.Angulo, M.J.G.Borge, J.Cabrera, S.Cherubini, P.Demaret, J.M.Espino, P.Figuera, M.Freer, J.E.Garcia-Ramos, J.Gomez-Camacho, M.Gulino, O.R.Kakuee, I.Martel, C.Metelko, A.M.Moro, F.Perez-Bernal, J.Rahighi, K.Rusek, D.Smirnov, O.Tengblad, P.Van Duppen, V.Ziman

Study of the elastic scattering of 6He on 208Pb at energies around the Coulomb barrier

NUCLEAR REACTIONS 208Pb(6He, 6He), E=14, 16, 18, 22 MeV; measured σ(θ). Comparison with optical model calculations, including Coulomb dipole polarizability and dispersion relations.

doi: 10.1016/j.nuclphysa.2008.01.030
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2007AL39      Nucl.Phys. A787, 443c (2007)

M.A.G.Alvarez, J.Gomez-Camacho, J.M.Espino, I.Mukha, I.Martel

DETNEX PROJECT: Dispersion Structure and Tracking of Exotic Nuclei

doi: 10.1016/j.nuclphysa.2006.12.066
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2007BE32      Acta Phys.Pol. B38, 1293 (2007)

P.Bednarczyk, E.Berdermann, J.Gerl, M.Gorska, I.Kojouharov, M.Pomorski, M.Rebisz, B.Voss, L.Acosta, R.Berjillos, I.Martel, M.A.G.Alvarez, J.M.Espino, J.L.Flores, I.Mukha, R.Wolski

Application of Diamond Detectors in Tracking of Heavy Ion Slowed Down Radioactive Beams


2007ES06      Nucl.Phys. A792, 2 (2007)

D.Escrig, A.M.Sanchez-Benitez, A.M.Moro, M.A.G.Alvarez, M.V.Andres, C.Angulo, M.J.G.Borge, J.Cabrera, S.Cherubini, P.Demaret, J.M.Espino, P.Figuera, M.Freer, J.E.Garcia-Ramos, J.Gomez-Camacho, M.Gulino, O.R.Kakuee, I.Martel, C.Metelko, F.Perez-Bernal, J.Rahighi, K.Rusek, D.Smirnov, O.Tengblad, V.Ziman

α-particle production in the scattering of 6He by 208Pb at energies around the Coulomb barrier

NUCLEAR REACTIONS 208Pb(6He, α), E=14, 16, 18, 22 MeV; measured Eα, Iα, σ(E, θ); deduced reaction mechanism features using DWBA analysis.

doi: 10.1016/j.nuclphysa.2007.05.012
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2007MI47      Eur.Phys.J. Special Topics 150, 43 (2007)

M.Milin, A.Maggio, L.Acosta, M.A.G.Alvarez, C.Angulo, E.Casarejos, N.de Sereville, A.Di Pietro, P.Figuera, M.Fisichella, M.Freer, Th.Keutgen, M.Lattuada, M.Majer, I.Martel, D.Miljanic, F.Pansini, D.Price, A.M.Sanchez-Benitez, N.Soic, M.Uroic, M.Zadro

Reactions induced by 35MeV 6He beam on 12C and 14C

doi: 10.1140/epjst/e2007-00262-0
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2007MU15      Phys.Rev.Lett. 99, 182501 (2007)

I.Mukha, K.Summerer, L.Acosta, M.A.G.Alvarez, E.Casarejos, A.Chatillon, D.Cortina-Gil, J.Espino, A.Fomichev, J.E.Garcia-Ramos, H.Geissel, J.Gomez-Camacho, L.Grigorenko, J.Hoffmann, O.Kiselev, A.Korsheninnikov, N.Kurz, Yu.Litvinov, I.Martel, C.Nociforo, W.Ott, M.Pfutzner, C.Rodriguez-Tajes, E.Roeckl, M.Stanoiu, H.Weick, P.J.Woods

Observation of Two-Proton Radioactivity of 19Mg by Tracking the Decay Products

RADIOACTIVITY 19Mg(2p) [from 9Be(20Mg, 19Mg), E=450 meV/nucleon]; measured Ep, Ip, (17Ne)p-coinc, angular correlations. 19Mg deduced T1/2, 2p-decay Q-value.

doi: 10.1103/PhysRevLett.99.182501
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2006KA01      Nucl.Phys. A765, 294 (2006)

O.R.Kakuee, M.A.G.Alvarez, M.V.Andres, S.Cherubini, T.Davinson, A.Di Pietro, W.Galster, J.Gomez-Camacho, A.M.Laird, M.Lamehi-Rachti, I.Martel, A.M.Moro, J.Rahighi, A.M.Sanchez-Benitez, A.C.Shotter, W.B.Smith, J.Vervier, P.J.Woods

Long range absorption in the scattering of 6He on 208Pb and 197Au at 27 MeV

NUCLEAR REACTIONS 197Au(6He, 6He), E=27 MeV; measured quasi-elastic σ(θ); 208Pb(6He, 6He), E=27 MeV; analyzed elastic σ(θ); deduced optical model parameters, role of Coulomb dipole polarisability, reaction mechanism features.

doi: 10.1016/j.nuclphysa.2005.11.012
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2006OB05      Phys.Rev.C 74, 064305 (2006)

A.Obertelli, A.Gillibert, N.Alamanos, M.A.G.Alvarez, F.Auger, R.Dayras, A.Drouart, N.Keeley, V.Lapoux, X.Mougeot, L.Nalpas, E.Pollacco, F.Skaza, Ch.Theisen, G.de France, B.Jurado, W.Mittig, F.Rejmund, M.Rejmund, P.Roussel-Chomaz, H.Savajols, A.Pakou, N.Patronis

γ spectroscopy of 25, 27Ne and 26, 27Na

NUCLEAR REACTIONS 2H(26Ne, 26Ne'), (26Ne, 25Ne), (26Ne, 27Ne), (26Ne, 26Na), (26Ne, 27Na), E=9.7 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 25,26,27Ne, 26,27Na deduced levels, J, π. Exogam array, Vamos spectrometer, comparison with previous results and model predictions.

doi: 10.1103/PhysRevC.74.064305
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2006PE26      Phys.Rev. C 74, 034608 (2006)

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

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

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

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


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0276.


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
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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
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2005CH48      Phys.Rev. C 72, 014603 (2005)

L.C.Chamon, M.A.G.Alvarez

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
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2005SA52      J.Phys.(London) G31, S1953 (2005)

A.M.Sanchez-Benitez, D.Escrig, M.A.G.Alvarez, M.V.Andres, C.Angulo, M.J.G.Borge, J.Cabrera, S.Cherubini, J.M.Espino, P.Figuera, M.Freer, J.E.Garcia-Ramos, J.Gomez-Camacho, M.Gulino, O.R.Kakuee, I.Martel, C.Metelco, A.M.Moro, J.Rahighi, K.Rusek, D.Smirnov, O.Tengblad, P.Van Duppen, V.Ziman

Scattering of 6He at energies around the Coulomb barrier

NUCLEAR REACTIONS 208Pb(6He, 6He), (6He, α), E=14, 16, 17, 18, 22 MeV; measured σ(θ); deduced reaction mechanism features.

doi: 10.1088/0954-3899/31/10/109
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1292.


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
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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
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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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1165.


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
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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
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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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1634.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0180.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0925.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0938.


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