NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = J.Vargas Found 23 matches. 2022CH38 Phys.Rev. C 106, 024618 (2022) A.Chatillon, J.Taieb, A.Heinz, H.Alvarez-Pol, L.Audouin, Y.Ayyad, G.Belier, J.Benlliure, G.Boutoux, M.Caamano, E.Casarejos, D.Cortina-Gil, A.Ebran, F.Farget, B.Fernandez-Dominguez, T.Gorbinet, L.Grente, H.T.Johansson, B.Jurado, A.Kelic-Heil, N.Kurz, B.Laurent, J.-F.Martin, C.Nociforo, C.Paradela, E.Pellereau, S.Pietri, A.Prochazka, J.L.Rodriguez-Sanchez, D.Rossi, H.Simon, L.Tassan-Got, J.Vargas, B.Voss, H.Weick Influence of proton and neutron deformed shells on the asymmetric fission of thorium isotopes NUCLEAR REACTIONS 222,223,225,226,229,230Th, 228,229,231,232Pa, 234,235,238U, 238Np(γ, F), E=13-14 MeV; 219,223,227Ac(γ, F), E ≈ 16 MeV; analyzed elemental, isotonic, and isobaric experimental fission fragment yields in Coulex experiments obtained at R3B/SOFIA setups (2019CH20); deduced average value of the atomic number of the light and heavy fission fragments, centroid positions of the light and heavy peaks of the isotonic yields, average total prompt-neutron multiplicity. Discussed the influence of deformed neutron and proton shells on the fission process.
doi: 10.1103/PhysRevC.106.024618
2022KA35 Phys.Rev.Lett. 129, 142502 (2022) S.Kaur, R.Kanungo, W.Horiuchi, G.Hagen, J.D.Holt, B.S.Hu, T.Miyagi, T.Suzuki, F.Ameil, J.Atkinson, Y.Ayyad, S.Bagchi, D.Cortina-Gil, I.Dillmann, A.Estrade, A.Evdokimov, F.Farinon, H.Geissel, G.Guastalla, R.Janik, R.Knobel, J.Kurcewicz, Y.A.Litvinov, M.Marta, M.Mostazo, I.Mukha, C.Nociforo, H.J.Ong, T.Otsuka, S.Pietri, A.Prochazka, C.Scheidenberger, B.Sitar, P.Strmen, M.Takechi, J.Tanaka, I.Tanihata, S.Terashima, J.Vargas, H.Weick, J.S.Winfield Proton Distribution Radii of 16-24O: Signatures of New Shell Closures and Neutron Skin NUCLEAR REACTIONS 12C(16O, X), (18O, X), (19O, X), (20O, X), (21O, X), (22O, X), (23O, X), (24O, X), E<1 GeV/nucleon; measured reaction products. 16,18,20,21,22,23,24O; deduced charge changing σ, root mean square proton and matter radii, neutron skin thickness, shell closure. Comparison with with ab initio calculations employing the chiral NNLO sat interaction, shell model predictions. The fragment separator FRS at GSI.
doi: 10.1103/PhysRevLett.129.142502
2022RO11 Phys.Rev. C 106, 014618 (2022) J.L.Rodriguez-Sanchez, J.Benlliure, I.Vidana, H.Lenske, J.Vargas, C.Scheidenberger, H.Alvarez-Pol, J.Atkinson, T.Aumann, Y.Ayyad, S.Beceiro Novo, K.Boretzky, M.Caamano, E.Casarejos, D.Cortina-Gil, P.Diaz Fernandez, A.Estrade, H.Geissel, E.Haettner, A.Kelic-Heil, Yu.A.Litvinov, C.Paradela, D.Perez-Loureiro, S.Pietri, A.Prochazka, M.Takechi, Y.K.Tanaka, H.Weick, J.S.Winfield Systematic study of Δ(1232) resonance excitations using single isobaric charge-exchange reactions induced by medium-mass projectiles of Sn NUCLEAR REACTIONS 1H, 12C, Cu, Pb(112Sn, 112In), (112Sn, 112Sb), 1H, C(124Sn, 124Sb), E=1 GeV/nucleon; measured reaction products; deduced total σ, quasielastic and inelastic σ; missing energy spectra. Observed energy shift for the Δ-resonance peak of about 63 ± 5 MeV and quenching of the quasielastic component. Comparison to theoretical predictions using random phase approximation (RPA) with Giessen energy density functional (GiEDF). FRS spectrometer with SIS-18 synchrotron beam (GSI).
doi: 10.1103/PhysRevC.106.014618
2021MA68 Phys.Rev. C 104, 044602 (2021) J.-F.Martin, J.Taieb, G.Boutoux, A.Chatillon, T.Gorbinet, E.Pellereau, L.Audouin, A.Heinz, H.Alvarez-Pol, Y.Ayyad, G.Belier, J.Benlliure, M.Caamano, E.Casarejos, D.Cortina-Gil, A.Ebran, F.Farget, B.Fernandez-Dominguez, L.Grente, H.T.Johansson, B.Jurado, A.Kelic-Heil, N.Kurz, B.Laurent, C.Nociforo, C.Paradela, S.Pietri, A.Prochazka, J.L.Rodriguez-Sanchez, D.Rossi, H.Simon, L.Tassan-Got, J.Vargas, B.Voss, H.Weick Fission-fragment yields and prompt-neutron multiplicity for Coulomb-induced fission of 234, 235U and 237, 238Np NUCLEAR REACTIONS 238U(234U, F), (235U, F), (237Np, F), (238Np, F), E=555 MeV/nucleon in the center of the target, [secondary 234,235U, 237,238Np beams from 9Be(238U, X), E=1 GeV/nucleon primary reaction, followed by separation of reaction products using FRS separator at GSI facility]; measured fission fragments, (fragment)(fragment)-coin, Coulomb excitation induced fission σ(A, Z), electromagnetic-induced fission yields, mass and charge distribution of fission fragments, isotonic, isobaric, and isotopic fission yields produced for Coulomb-induced fission using the Reactions with Relativistic Radioactive Beams/Studies On FIssion with Aladin (R3B/SOFIA) apparatus at GSI facility. 234,235,238U, 237,238Np(γ, F), virtual photons from Coulomb excitation; deduced yields Y(A, Z), σ(A, Z), prompt-neutron and total neutron multiplicities ν(A, Z) for A=77-157, Z=28-64, and N=45-97 fragments: 77,78,79,80,81,82,83,84Ge, 78,79,80,81,82,83,84,85,86,87As, 80,81,82,83,84,85,86,87,88,89Se, 83,84,85,86,87,88,89,90,91Br, 85,86,87,88,89,90,91,92,93Kr, 87,88,89,90,91,92,93,94,95,96Rb, 90,91,92,93,94,95,96,97,98Sr, 92,93,94,95,96,97,98,99,100,101Y, 95,96,97,98,99,100,101,102,103Zr, 97,98,99,100,101,102,103,104,105,106Nb, 100,101,102,103,104,105,106,107,108Mo, 103,104,105,106,107,108,109,110,111Tc, 102,103,104,105,106,107,108,109,110,111,112,113,114Ru, 108,109,110,111,112,113,114,115,116,117Rh, 110,111,112,113,114,115,116,117,118,119,120Pd, 113,114,115,116,117,118,119,120,121,122Ag, 115,116,117,118,119,120,121,122,123,124,125,126Cd, 118,119,120,121,122,123,124,125,126,127,128,129In, 121,122,123,124,125,126,127,128,129,130,131,132,133Sn, 124,125,126,127,128,129,130,131,132,133,134,135Sb, 127,128,129,130,131,132,133,134,135,136,137Te, 130,131,132,133,134,135,136,137,138,139,140I, 132,133,134,135,136,137,138,139,140,141,142Xe, 135,136,137,138,139,140,141,142,143,144Cs, 137,138,139,140,141,142,143,144,145,146,147Ba, 139,140,141,142,143,144,145,146,147,148,149,150La, 142,143,144,145,146,147,148,149,150,151,152Ce, 144,145,146,147,148,149,150,151,152,153,154Pr, 146,147,148,149,150,151,152,153,154,155,156,157Nd, 151,152,153,154,155,156, and 157Pm, average values of atomic, neutron, and mass numbers for the light and heavy fission fragments, proton even-odd staggering, neutron excess of pre-neutron-evaporation fission fragments produced for Coulomb-induced fission. Comparison with previous measurements using (γ, F) and thermal-neutron induced fission. Comparison with theoretical reaction model calculations using GEF-2019V1.1 code, unchanged charge density (UCD) approach, and by fission treated as an adiabatic process in a Fermi gas (FA). Numerical values of yields, cross sections and neutron multiplicities are listed in the Supplemental Material of this work.
doi: 10.1103/PhysRevC.104.044602
2020CH18 Phys.Rev.Lett. 124, 202502 (2020) A.Chatillon, J.Taieb, H.Alvarez-Pol, L.Audouin, Y.Ayyad, G.Belier, J.Benlliure, G.Boutoux, M.Caamano, E.Casarejos, D.Cortina-Gil, A.Ebran, F.Farget, B.Fernandez-Dominguez, T.Gorbinet, L.Grente, A.Heinz, H.T.Johansson, B.Jurado, A.Kelic-Heil, N.Kurz, B.Laurent, J.-F.Martin, C.Nociforo, C.Paradela, E.Pellereau, S.Pietri, A.Prochazka, J.L.Rodriguez-Sanchez, D.Rossi, H.Simon, L.Tassan-Got, J.Vargas, B.Voss, H.Weick Evidence for a New Compact Symmetric Fission Mode in Light Thorium Isotopes NUCLEAR REACTIONS 222,226,230Th(γ, F)1NN, E not given; measured reaction products, En, In; deduced prompt-neutron emission probability, σ(E), yields.
doi: 10.1103/PhysRevLett.124.202502
2020RO12 Phys.Lett. B 807, 135565 (2020) J.L.Rodriguez-Sanchez, J.Benlliure, I.Vidana, H.Lenske, C.Scheidenberger, J.Vargas, H.Alvarez-Pol, J.Atkinson, T.Aumann, Y.Ayyad, S.Beceiro Novo, K.Boretzky, M.Caamano, E.Casarejos, D.Cortina-Gil, P.Diaz Fernandez, A.Estrade, H.Geissel, E.Haettner, A.Kelic-Heil, Yu.A.Litvinov, C.Paradela, D.Perez-Loureiro, S.Pietri, A.Prochazka, M.Takechi, Y.K.Tanaka, H.Weick, J.S.Winfield Study of Δ excitations in medium-mass nuclei with peripheral heavy ion charge-exchange reactions NUCLEAR REACTIONS C(112Sn, 112In), E=1 GeV/nucleon; analyzed available data; deduced missing spectra, change in the relative magnitude between the contribution of the excitation of the resonance in the target and in the projectile.
doi: 10.1016/j.physletb.2020.135565
2019BA11 Phys.Lett. B 790, 251 (2019) S.Bagchi, R.Kanungo, W.Horiuchi, G.Hagen, T.D.Morris, S.R.Stroberg, T.Suzuki, F.Ameil, J.Atkinson, Y.Ayyad, D.Cortina-Gil, I.Dillmann, A.Estrade, A.Evdokimov, F.Farinon, H.Geissel, G.Guastalla, R.Janik, S.Kaur, R.Knobel, J.Kurcewicz, Yu.A.Litvinov, M.Marta, M.Mostazo, I.Mukha, C.Nociforo, H.J.Ong, S.Pietri, A.Prochazka, C.Scheidenberger, B.Sitar, P.Strmen, M.Takechi, J.Tanaka, Y.Tanaka, I.Tanihata, S.Terashima, J.Vargas, H.Weick, J.S.Winfield Neutron skin and signature of the N = 14 shell gap found from measured proton radii of 17-22N NUCLEAR REACTIONS C(14N, X), (15N, X), (17N, X), (18N, X), (19N, X), (20N, X), (21N, X), (22N, X), E=851-932 MeV/nucleon; measured reaction products. 14,15,17,18,19,20,21,22N; deduced σ, root mean square point proton and matter radii, unconventional shell gap at N = 14 arising from the attractive proton–neutron tensor interaction. Comparison with ab initio calculations.
doi: 10.1016/j.physletb.2019.01.024
2019CH20 Phys.Rev. C 99, 054628 (2019) A.Chatillon, J.Taieb, H.Alvarez-Pol, L.Audouin, Y.Ayyad, G.Belier, J.Benlliure, G.Boutoux, M.Caamano, E.Casarejos, D.Cortina-Gil, A.Ebran, F.Farget, B.Fernandez-Dominguez, T.Gorbinet, L.Grente, A.Heinz, H.T.Johansson, B.Jurado, A.Kelic-Heil, N.Kurz, B.Laurent, J.-F.Martin, C.Nociforo, C.Paradela, E.Pellereau, S.Pietri, A.Prochazka, J.L.Rodriguez-Sanchez, H.Simon, L.Tassan-Got, J.Vargas, B.Voss, H.Weick Experimental study of nuclear fission along the thorium isotopic chain: From asymmetric to symmetric fission NUCLEAR REACTIONS 208Pb, 238U(219Ac, F), (220Ac, F), (223Ac, F), (227Ac, F), (221Th, F), (222Th, F), (223Th, F), (225Th, F), (226Th, F), (229Th, F), (230Th, F), (228Pa, F), (229Pa, F), (219Ac, F), (220Ac, F), (223Ac, F), (227Ac, F), (221Th, F), (222Th, F), (223Th, F), (225Th, F), (226Th, F), (229Th, F), (230Th, F), (228Pa, F), (229Pa, F), E=551.7-568.9 MeV/nucleon, [secondary Ac and Th beams from 9Be(238U, X), E=1 GeV/nucleon primary reaction, and using FRS separator at GSI facility for separation of reaction products]; measured fission fragments, (fragment)(fragment)-coin, Coulomb excitation induced fission σ, differential Coulomb excitation σ(θ), electromagnetic-induced fission yields, mass and charge distribution of fission fragments, isotonic and isobaric fission yields using the Reactions with Relativistic Radioactive Beams/Studies On FIssion with Aladin (R3B/SOFIA) apparatus at GSI accelerator facility. Comparison with local even-odd staggering, previous measurements using either the same reaction mechanism and/or thermal-neutron induced fission.
doi: 10.1103/PhysRevC.99.054628
2017PE08 Phys.Rev. C 95, 054603 (2017) E.Pellereau, J.Taieb, A.Chatillon, H.Alvarez-Pol, L.Audouin, Y.Ayyad, G.Belier, J.Benlliure, G.Boutoux, M.Caamano, E.Casarejos, D.Cortina-Gil, A.Ebran, F.Farget, B.Fernandez-Dominguez, T.Gorbinet, L.Grente, A.Heinz, H.Johansson, B.Jurado, A.Kelic-Heil, N.Kurz, B.Laurent, J.-F.Martin, C.Nociforo, C.Paradela, S.Pietri, J.L.Rodriguez-Sanchez, K.-H.Schmidt, H.Simon, L.Tassan-Got, J.Vargas, B.Voss, H.Weick Accurate isotopic fission yields of electromagnetically induced fission of 238U measured in inverse kinematics at relativistic energies NUCLEAR REACTIONS 238U(238U, F), E=650 MeV/nucleon; measured mass and charge coincidences, elemental, isobaric and isotopic yields and mass distribution of fission fragments of Z=29-62, N=43-95, A=71-156 in 238U(γ, F) using the SOFIA experimental setup and around the ALADIN magnet at GSI. Comparison with the GEF model calculations, and with 238U(n, F) data in ENDF-BVII.1 and JEFF.3.1.
doi: 10.1103/PhysRevC.95.054603
2017RO22 Phys.Rev. C 96, 034303 (2017) J.L.Rodriguez-Sanchez, J.Benlliure, C.A.Bertulani, J.Vargas, Y.Ayyad, H.Alvarez-Pol, J.Atkinson, T.Aumann, S.Beceiro Novo, K.Boretzky, M.Caamano, E.Casarejos, D.Cortina-Gil, J.Diaz-Cortes, P.Diaz Fernandez, A.Estrade, H.Geissel, A.Kelic-Heil, Yu.A.Litvinov, M.Mostazo, C.Paradela, D.Perez-Loureiro, S.Pietri, A.Prochazka, M.Takechi, H.Weick, J.S.Winfield Knockout and fragmentation reactions using a broad range of tin isotopes NUCLEAR REACTIONS C(112Sn, X)103Rh/104Rh/105Rh/106Rh/107Rh/105Pd/106Pd/107Pd/108Pd/107Ag/108Ag/109Ag/110Ag/109Cd/110Cd/111Cd, E=1 GeV/nucleon; measured production cross sections of the most neutron-rich residues in the fragmentation of 112Sn beam at GSI. C(124Sn, 123Sn), (124Sn, 123In), (120Sn, 119Sn), (120Sn, 119In), (120Sn, 118Cd), (112Sn, 111Sn), (112Sn, 111In), (110Sn, 109Sn), (110Sn, 109In), (110Sn, 108Cd), E=1 GeV/nucleon; measured One- and two-nucleon-removal cross sections. Comparison with previous experimental data and with Glauber model calculations.
doi: 10.1103/PhysRevC.96.034303
2016KA37 Phys.Rev.Lett. 117, 102501 (2016) R.Kanungo, W.Horiuchi, G.Hagen, G.R.Jansen, P.Navratil, F.Ameil, J.Atkinson, Y.Ayyad, D.Cortina-Gil, I.Dillmann, A.Estrade, A.Evdokimov, F.Farinon, H.Geissel, G.Guastalla, R.Janik, M.Kimura, R.Knobel, J.Kurcewicz, Yu.A.Litvinov, M.Marta, M.Mostazo, I.Mukha, C.Nociforo, H.J.Ong, S.Pietri, A.Prochazka, C.Scheidenberger, B.Sitar, P.Strmen, Y.Suzuki, M.Takechi, J.Tanaka, I.Tanihata, S.Terashima, J.Vargas, H.Weick, J.S.Winfield Proton Distribution Radii of 12-19C Illuminate Features of Neutron Halos NUCLEAR REACTIONS Be(20Ne, X), (40Ar, X)12C/13C/14C/15/16C/17C/18C/19C, E=1 GeV/nucleon; measured reaction products; deduced σ, root-mean-square proton and matter radii, neutron skin thickness. Comparison with ab initio calculations.
doi: 10.1103/PhysRevLett.117.102501
2016RO20 Phys.Rev. C 94, 034605 (2016) J.L.Rodriguez-Sanchez, J.Benlliure, C.Paradela, Y.Ayyad, E.Casarejos, H.Alvarez-Pol, L.Audouin, G.Belier, G.Boutoux, A.Chatillon, D.Cortina-Gil, T.Gorbinet, A.Heinz, A.Kelic-Heil, B.Laurent, J.-F.Martin, E.Pellereau, B.Pietras, D.Ramos, C.Rodriguez-Tajes, D.M.Rossi, H.Simon, J.Taieb, J.Vargas, B.Voss Light charged particles emitted in fission reactions induced by protons on 208Pb NUCLEAR REACTIONS 1H(208Pb, F), E=370, 500, 650 MeV/nucleon; 27Al(208Pb, F), E=500 MeV/nucleon; measured light charged particles, fission fragments, (light charged particles)(fission fragments)-coin using SOFIA detection system at GSI facility; deduced multiplicity distribution of particles with Z=1, width of the atomic-number distribution of the fission fragments as function of the atomic number of the light charged particle, transient time and dissipative effects. Comparison with model calculations.
doi: 10.1103/PhysRevC.94.034605
2016RO29 Phys.Rev. C 94, 061601 (2016) J.L.Rodriguez-Sanchez, J.Benlliure, J.Taieb, H.Alvarez-Pol, L.Audouin, Y.Ayyad, G.Belier, G.Boutoux, E.Casarejos, A.Chatillon, D.Cortina-Gil, T.Gorbinet, A.Heinz, A.Kelic-Heil, B.Laurent, J.-F.Martin, C.Paradela, E.Pellereau, B.Pietras, D.Ramos, C.Rodriguez-Tajes, D.M.Rossi, H.Simon, J.Vargas, B.Voss Presaddle and postsaddle dissipative effects in fission using complete kinematics measurements NUCLEAR REACTIONS 1H(208Pb, F), E=500 MeV/nucleon; measured fission fragments, fission cross sections, prescission neutron multiplicities and average neutron excess of the final fission fragments as function of atomic number of fissioning nuclei by magnetic rigidity and time-of-flight techniques at GSI facility. Kinematics of the two fission fragments used for the first time to investigate fission dynamics at small and large deformations. Comparison of measured cross sections with model calculations using INCL4.6+ABLA07 codes.
doi: 10.1103/PhysRevC.94.061601
2016SU16 Phys.Rev. C 94, 011602 (2016) Y.Suzuki, W.Horiuchi, S.Terashima, R.Kanungo, F.Ameil, J.Atkinson, Y.Ayyad, D.Cortina-Gil, I.Dillmann, A.Estrade, A.Evdokimov, F.Farinon, H.Geissel, G.Guastalla, R.Janik, R.Knoebel, J.Kurcewicz, Yu.A.Litvinov, M.Marta, M.Mostazo, I.Mukha, C.Nociforo, H.J.Ong, S.Pietri, A.Prochazka, C.Scheidenberger, B.Sitar, P.Strmen, M.Takechi, J.Tanaka, I.Tanihata, J.Vargas, H.Weick, J.S.Winfield Parameter-free calculation of charge-changing cross sections at high energy NUCLEAR REACTIONS 12C(12C, X), E=937, 943 MeV/nucleon; 12C(13C, X), E=828 MeV/nucleon; 12C(14C, X), E=900 MeV/nucleon; 1H(12C, X), E=926 MeV/nucleon; 1H(13C, X), E=815 MeV/nucleon; 1H(14C, X), E=889 MeV/nucleon; 1H(15C, X), E=896 MeV/nucleon; 1H(16C, X), E=897 MeV/nucleon; 1H(17C, X), E=970 MeV/nucleon; 1H(18C, X), (19C, X), E=886 MeV/nucleon; calculated charge-changing σ (CCCS), proton, neutron, and matter radii using Glauber and eikonal formalism and approximations. Comparison with recent new high-energy data measured at the FRS-GSI facility.
doi: 10.1103/PhysRevC.94.011602
2016TA07 Prog.Theor.Exp.Phys. 2016, 043D05 (2016) I.Tanihata, S.Terashima, R.Kanungo, F.Ameil, J.Atkinson, Y.Ayyad, D.Cortina-Gil, I.Dillmann, A.Estrade, A.Evdokimov, F.Farinon, H.Geissel, G.Guastalla, R.Janik, R.Knoebel, J.Kurcewicz, Yu.A.Litvinov, M.Marta, M.Mostazo, I.Mukha, C.Nociforo, H.J.Ong, S.Pietri, A.Prochazka, C.Scheidenberger, B.Sitar, P.Strmen, M.Takechi, J.Tanaka, H.Toki, J.Vargas, J.S.Winfield, H.Weick Observation of large enhancements of charge exchange cross sections with neutron-rich carbon isotopes NUCLEAR REACTIONS C, H(C, X)12N/13N/14N/15N/16N/17N/18N/19N, E∼950 MeV/nucleon; measured reaction products; deduced σ, Gamow-Teller and/or Fermi transition strengths.
doi: 10.1093/ptep/ptw034
2015MA70 Eur.Phys.J. A 51, 174 (2015) J.-F.Martin, J.Taieb, A.Chatillon, G.Belier, G.Boutoux, A.Ebran, T.Gorbinet, L.Grente, B.Laurent, E.Pellereau, H.Alvarez-Pol, L.Audouin, T.Aumann, Y.Ayyad, J.Benlliure, E.Casarejos, D.Cortina Gil, M.Caamano, F.Farget, B.Fernandez-Dominguez, A.Heinz, B.Jurado, A.Kelic-Heil, N.Kurz, C.Nociforo, C.Paradela, S.Pietri, D.Ramos, J.-L.Rodriguez-Sanchez, C.Rodriguez-Tajes, D.Rossi, K.-H.Schmidt, H.Simon, L.Tassan-Got, J.Vargas, B.Voss, H.Weick Studies on fission with ALADIN - Precise and simultaneous measurement of fission yields, total kinetic energy and total prompt neutron multiplicity at GSI
doi: 10.1140/epja/i2015-15174-0
2015RO11 Phys.Rev. C 91, 064616 (2015) J.L.Rodriguez-Sanchez, J.Benlliure, J.Taieb, H.Alvarez-Pol, L.Audouin, Y.Ayyad, G.Belier, G.Boutoux, E.Casarejos, A.Chatillon, D.Cortina-Gil, T.Gorbinet, A.Heinz, A.Kelic-Heil, B.Laurent, J.-F.Martin, C.Paradela, E.Pellereau, B.Pietras, D.Ramos, C.Rodriguez-Tajes, D.M.Rossi, H.Simon, J.Vargas, B.Voss Complete characterization of the fission fragments produced in reactions induced by 208Pb projectiles on proton at 500A MeV NUCLEAR REACTIONS 1H(208Pb, F), E=500 MeV/nucleon; measured fission fragments, (fragment)(fragment)-coin, σ and mean velocities of fission fragments using SIS18 synchrotron and MUSIC detector system at GSI facility; deduced role of charge polarization and excitation energy gained by the fragments from analysis of correlations between the two fragments, parametrize the distance between two fission fragments at scission as function of the size of the fissioning system from analysis of the average velocities of the fission fragments, final neutron excess of the fission fragments. 58,59,60,61,62,63,64,65Co, 60,61,62,63,64,65,66,67,68Ni, 63,64,65,66,67,68,69,70Cu, 64,65,66,67,68,69,70,71,72,73,74Zn, 66,67,68,69,70,71,72,73,74,75,76,77Ga, 69,70,71,72,73,74,75,76,77,78,79Ge, 72,73,74,75,76,77,78,79,80,81As, 74,75,76,77,78,79,80,81,82,83Se, 78,79,80,81,82,83,84,85,86,87,88,89Kr, 80,81,82,83,84,85,86,87,88,89,90,91,92Rb, 82,83,84,85,86,87,88,89,90,91,92,93,94Sr, 84,85,86,87,88,89,90,91,92,93,94,95,96,97Y, 86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101Zr, 88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103Nb, 89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105Mo, 93,94,95,96,97,98,99,100,101,102,103,104,105,106,107Tc, 95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110Ru, 97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112Rh, 100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115Pd, 104,105,106,107,108,109,110,111,112,113,114,115,116,117Ag, 106,107,108,109,110,111,112,113,114,115,116,117,118Cd, 109,110,111,112,113,114,115,116,117,118,119,120,121In, 112,113,114,115,116,117,118,119,120,121Sn, 114,115,116,117,118,119,120,121,122,123,124,125Sb, 116,117,118,119,120,121,122,123,124,125,126,127,128Te; deduced isotopic cross sections of the fission fragments with associated statistical and systematical uncertainties. Comparison with state-of-the-art model calculations using NCL4.6+ABLA07 codes.
doi: 10.1103/PhysRevC.91.064616
2015RO18 Phys.Rev. C 92, 044612 (2015) J.L.Rodriguez-Sanchez, J.Benlliure, H.Alvarez-Pol, L.Audouin, Y.Ayyad, G.Belier, G.Boutoux, E.Casarejos, A.Chatillon, D.Cortina-Gil, T.Gorbinet, A.Heinz, A.Kelic-Heil, B.Laurent, J.-F.Martin, C.Paradela, E.Pellereau, B.Pietras, D.Ramos, C.Rodriguez-Tajes, D.M.Rossi, H.Simon, J.Taieb, J.Vargas, B.Voss Constraining the level density using fission of lead projectiles NUCLEAR REACTIONS 1H, 27Al(208Pb, F), E=370, 500, 650 MeV/nucleon; measured spallation and fragmentation-induced fission fragments, fission σ(E), atomic-number distribution of final fission fragments using double multisampling ionization chamber (twin MUSIC) at GSI; deduced fission decay widths, and level densities at ground-state and at saddle-point deformations. Comparison with several theoretical model calculations, and benchmarking of data.
doi: 10.1103/PhysRevC.92.044612
2014ES07 Phys.Rev.Lett. 113, 132501 (2014) A.Estrade, R.Kanungo, W.Horiuchi, F.Ameil, J.Atkinson, Y.Ayyad, D.Cortina-Gil, I.Dillmann, A.Evdokimov, F.Farinon, H.Geissel, G.Guastalla, R.Janik, M.Kimura, R.Knobel, J.Kurcewicz, Yu.A.Litvinov, M.Marta, M.Mostazo, I.Mukha, C.Nociforo, H.J.Ong, S.Pietri, A.Prochazka, C.Scheidenberger, B.Sitar, P.Strmen, Y.Suzuki, M.Takechi, J.Tanaka, I.Tanihata, S.Terashima, J.Vargas, H.Weick, J.S.Winfield Proton Radii of 12-17B Define a Thick Neutron Surface in 17B NUCLEAR REACTIONS C(10B, X), (11B, X), (12B, X), (13B, X), (14B, X), (15B, X), (16B, X), (17B, X), E ∼ 900 MeV/nucleon; measured reaction products. 10,11,12,13,14,15,16,17B; deduced charge-changing σ, proton and matter radii, neutron skin. Glauber model analysis.
doi: 10.1103/PhysRevLett.113.132501
2014RO28 Phys.Rev. C 90, 064606 (2014) J.L.Rodriguez-Sanchez, J.Benlliure, J.Taieb, A.Chatillon, C.Paradela, Y.Ayyad, G.Belier, G.Boutoux, E.Casarejos, T.Gorbinet, B.Laurent, J.-F.Martin, E.Pellereau, H.Alvarez-Pol, L.Audouin, D.Cortina-Gil, A.Heinz, A.Kelic-Heil, B.Pietras, D.Ramos, C.Rodriguez-Tajes, D.Rossi, H.Simon, L.Tassan-Got, J.Vargas, B.Voss Proton-induced fission cross sections on 208Pb at high kinetic energies NUCLEAR REACTIONS 1H(208Pb, X), E=370, 500, 650 MeV/nucleon; measured fission fragment distributions, fission yields and fission σ(E) at GSI facility. Comparison with previous experimental data at E=50-1000 MeV/nucleon, and with Prokofiev's systematics. Benchmarking of model calculations using the intranuclear cascade code INCL4.6 coupled to the deexcitation code ABLA07. 208Pb(n, X), E=20-1000 MeV; analyzed fission σ(E).
doi: 10.1103/PhysRevC.90.064606
2014TE06 Prog.Theor.Exp.Phys. 2014, 101D02 (2014) S.Terashima, I.Tanihata, R.Kanungo, A.Estrade, W.Horiuchi, F.Ameil, J.Atkinson, Y.Ayyad, D.Cortina-Gil, I.Dillmann, A.Evdokimov, F.Farinon, H.Geissel, G.Guastalla, R.Janik, M.Kimura, R.Knoebel, J.Kurcewicz, Yu.A.Litvinov, M.Marta, M.Mostazo, I.Mukha, T.Neff, C.Nociforo, H.J.Ong, S.Pietri, A.Prochazka, C.Scheidenberger, B.Sitar, Y.Suzuki, M.Takechi, J.Tanaka, J.Vargas, J.S.Winfield, H.Weick Proton radius of 14Be from measurement of charge-changing cross sections NUCLEAR REACTIONS C(7Be, np), (9Be, np), (10Be, np), (11Be, np), (12Be, np), (14Be, np), E=90 MeV/nucleon; measured reaction products; deduced σ, proton and nucleon rms radii. Comparison with Glauber model calculations.
doi: 10.1093/ptep/ptu134
1978FA15 Radiochim.Acta 25, 85 (1978) J.D.Fabris, J.I.Vargas, A.Marques Netto, A.L.Baudry Differential Perturbed Angular Correlation Measurements in Reactor Irradiated and Thermal Annealed Tetrakis-(dI-mandelate) Hafnium(IV) RADIOACTIVITY 181Hf; measured γγ(θ, H, t), retention thermal annealing effects; deduced quadrupole interaction parameters vs T. Hf[M]4 chelate.
1972BO51 Inorg.Nucl.Chem.Lett. 8, 813 (1972) P.Boyer, A.Tissier, J.I.Vargas The Perturbation of the 181Ta Quadrupole Coupling in Tetrakis Hafnium (IV) Tropolone Complex by Chloroform RADIOACTIVITY 181Hf; measured γγ(θ, t) in solid tetrakis Hf(IV) tropolone; deduced quadrupole coupling parameters.
doi: 10.1016/0020-1650(72)80162-4
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