NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = A.Iwamoto Found 65 matches. 2022AR04 Phys.Rev. C 105, 034604 (2022) Y.Aritomo, A.Iwamoto, K.Nishio, M.Ohta Fission mechanism inferred from nuclear shape fluctuation by the Langevin equation NUCLEAR STRUCTURE 246,264Fm; calculated friction tensors and their eigenvalues in the ground states, first, and second saddles, Langevin trajectory contours, total kinetic energies (TKE) of fission fragments. 246,248,250,252,254,256,258,260,262,264Fm; calculated mass distribution of fission fragments (FFMD) at excitation energies of E*=7 MeV for the fermium isotopes; deduced trend for FFMD from mass-asymmetric to mass-symmetric distribution towards the heavier Fm isotopes. Langevin equations in the nuclear deformation space. Comparison with available experimental data.
doi: 10.1103/PhysRevC.105.034604
2015MO03 Phys.Rev. C 91, 024310 (2015) P.Moller, A.J.Sierk, T.Ichikawa, A.Iwamoto, M.Mumpower Fission barriers at the end of the chart of the nuclides NUCLEAR STRUCTURE Z=60-130, N=90-230, A=171-330; calculated fission-barrier heights, saddle-point energies for 5239 nuclei between the proton and neutron drip lines. 171Nd; calculated shape at saddle point. 298Hs; calculated potential energy surface contour in (ϵ2, γ) plane. Macroscopic-microscopic finite-range liquid-drop model with a 2002 set of macroscopic-model parameters.
doi: 10.1103/PhysRevC.91.024310
2014MO17 Phys.Rev. C 90, 014601 (2014) P.Moller, J.Randrup, A.Iwamoto, T.Ichikawa Fission-fragment charge yields: Variation of odd-even staggering with element number, energy, and charge asymmetry NUCLEAR REACTIONS 234U, 240Pu(n, F), E=thermal; 222,226,228Th, 234U(γ, F), E=11 MeV; analyzed magnitude of the odd-even staggering for fission-fragment charge-yield distributions; deduced total energies, potential energies, and excitation energies from saddle to scission at different locations in the five-dimensional deformation space; correlation of odd-even staggering with excitation energy.
doi: 10.1103/PhysRevC.90.014601
2012IC01 Phys.Rev. C 86, 024610 (2012) T.Ichikawa, A.Iwamoto, P.Moller, A.J.Sierk Contrasting fission potential-energy structure of actinides and mercury isotopes NUCLEAR STRUCTURE 178,180,182,184,186,188,190,192,194,196,198,200Hg, 236U; calculated potential-energy surfaces as function of quadrupole moment, saddle points, barrier heights and the ridge heights for fission. Asymmetric fission. Effect of shell structure of fission fragments. Macroscopic-microscopic approach, finite-range liquid-drop model (FRLDM).
doi: 10.1103/PhysRevC.86.024610
2012IC03 Prog.Theor.Phys.(Kyoto), Suppl. 196, 269 (2012) T.Ichikawa, K.Hagino, A.Iwamoto Smooth Transition from Sudden to Adiabatic States in Deep-Subbarrier Fusion Reactions NUCLEAR REACTIONS 64Ni(64Ni, X), 208Pb(16O, X), E(cm)<90 MeV; calculated fusion σ, average angular momenta of the compound nuclei; deduced adiabatic potential. Coupled-channel model calculations.
doi: 10.1143/PTPS.196.269
2010AN13 Phys.Rev.Lett. 105, 252502 (2010) A.N.Andreyev, J.Elseviers, M.Huyse, P.Van Duppen, S.Antalic, A.Barzakh, N.Bree, T.E.Cocolios, V.F.Comas, J.Diriken, D.Fedorov, V.Fedosseev, S.Franchoo, J.A.Heredia, O.Ivanov, U.Koster, B.A.Marsh, P.Van den Bergh, J.Van De Walle, K.Nishio, R.D.Page, N.Patronis, M.Seliverstov, I.Tsekhanovich, M.Venhart, S.Vermote, M.Veselsky, C.Wagemans, T.Ichikawa, A.Iwamoto, P.Moller, A.J.Sierk New Type of Asymmetric Fission in Proton-Rich Nuclei RADIOACTIVITY 180Tl(α), (β+), (EC) [from U(p, X), E=1.4 GeV]; measured fission fragments, Eα, Iα, X-rays. 180Hg; deduced asymetric fission fragment distribution, branching ratio for β-delayed fission.
doi: 10.1103/PhysRevLett.105.252502
2009IC01 Phys.Rev. C 79, 014305 (2009) T.Ichikawa, A.Iwamoto, P.Moller Origin of the narrow, single peak in the fission-fragment mass distribution for 258Fm RADIOACTIVITY 258Fm(SF); calculated potential energy, fragment charge distributions, inertial mass, mass-yield curves. Macroscopic-microscopic model.
doi: 10.1103/PhysRevC.79.014305
2009IC04 Phys.Rev.Lett. 103, 202701 (2009) T.Ichikawa, K.Hagino, A.Iwamoto Signature of Smooth Transition from Sudden to Adiabatic States in Heavy-Ion Fusion Reactions at Deep Sub-Barrier Energies NUCLEAR REACTIONS 208Pb(16O, X), 64Ni(64Ni, X), 58Ni(58Ni, X), E(cm)=60-105 MeV; analyzed fusion σ, S-factors, adiabatic potentials; deduced extension of the standard coupled-channels framework. Comparison with experiment.
doi: 10.1103/PhysRevLett.103.202701
2009MO18 Phys.Rev. C 79, 064304 (2009) P.Moller, A.J.Sierk, T.Ichikawa, A.Iwamoto, R.Bengtsson, H.Uhrenholt, S.Aberg Heavy-element fission barriers NUCLEAR STRUCTURE Z=90-99, A=225-256; calculated double-humped fission barrier energies, first and second saddle heights, and fission-isomer energies. Z=78-125, N=91-188, A=171-312; calculated fission barrier heights for 1585 nuclides. 232Th; calculated proton and neutron single particle levels at saddles for symmetric and asymmetric fission modes. 228Th, 236U, 243Am, 252Cf, 278Nh, 305125; calculated potential energy surfaces. 232Th, 238,239,241,242,243Am; calculated fission-barrier structures and Fermi-gas level density parameters. Macroscopic-microscopic finite-range liquid-drop model. RADIOACTIVITY 236U, 232,240Pu, 222,224,230Cm, 224,230Cf, 226,252,258Fm, 277Cn(α)(SF); calculated α-decay and SF decay half-lives. 180Tl, 188Bi, 192,194,196At, 228Np, 232,234Am, 238,240Bk, 242,244,246,248Es, 246,248,250Md(EC); calculated Q-values and fission barriers in the daughter nuclides. Macroscopic-microscopic finite-range liquid-drop model calculations. Comparisons with experimental data.
doi: 10.1103/PhysRevC.79.064304
2008MO13 At.Data Nucl.Data Tables 94, 758 (2008) P.Moller, R.Bengtsson, B.G.Carlsson, P.Olivius, T.Ichikawa, H.Sagawa, A.Iwamoto Axial and reflection asymmetry of the nuclear ground state NUCLEAR STRUCTURE A=31-330; calculated nuclear ground state masses, deformation parameters; effect of axial and reflection asymmetry and of triaxiality; macroscopic-microscopic approach using folded-Yukawa single particle potential.
doi: 10.1016/j.adt.2008.05.002
2007IC01 Phys.Rev. C 75, 057603 (2007) T.Ichikawa, K.Hagino, A.Iwamoto Existence of a one-body barrier revealed in deep subbarrier fusion NUCLEAR REACTIONS 64Ni(64Ni, X), E(cm)< 110 MeV; calculated fusion cross section with a two step model.
doi: 10.1103/PhysRevC.75.057603
2007IC02 Phys.Rev. C 75, 064612 (2007) T.Ichikawa, K.Hagino, A.Iwamoto Systematics of threshold incident energy for deep sub-barrier fusion hindrance NUCLEAR REACTIONS 89Y, 90Zr, 92Zr(90Zr, X), 64Ni, 74Ge, 100Mo(64Ni, X), 89Y(60Ni, X), 58Ni, 60Ni, 64Ni, 74Ge(58Ni, X), 208Pb(50Ti, X), 48Ca(48Ca, X), 90Zr(40Ca, X), 89Y(34S, X), 89Y(32S, X), 58,62,64Ni, (28Si, X), 208Pb(19F, X), 208Pb, 144Sm, 76Ge, 16O(16O, X), 16O, 14N, 13C(12O, X), 12C(11O, X), 10B(10B, X), E< 200 MeV; calculated potential energy at the touching configuration for heavy-ion reactions using various potential models. Compared results to available data.
doi: 10.1103/PhysRevC.75.064612
2005IC01 Phys.Rev. C 71, 044608 (2005) T.Ichikawa, A.Iwamoto, P.Moller, A.J.Sierk Barrier for cold-fusion production of superheavy elements NUCLEAR REACTIONS 208Pb(48Ca, X), (50Ti, X), (54Cr, X), (58Fe, X), (62Ni, X), (64Ni, X), (70Zn, X), (74Ge, X), (76Ge, X), 209Bi(58Fe, X), (64Ni, X), (70Zn, X), E not given; calculated fusion barrier energies, deformation effects. Comparisons with data.
doi: 10.1103/PhysRevC.71.044608
2005IC03 Phys.Rev. C 71, 067601 (2005) Effect of charge polarization on the Coulomb barrier for cold-fusion reactions NUCLEAR REACTIONS 208Pb(48Ca, X), (50Ti, X), (54Cr, X), (58Fe, X), (62Ni, X), (64Ni, X), (70Zn, X), (74Ge, X), (78Ge, X), 209Bi(58Fe, X), (64Ni, X), (70Zn, X), E not given; calculated Coulomb barrier height, effect of charge polarization.
doi: 10.1103/PhysRevC.71.067601
2004IW02 Nucl.Phys. A738, 499 (2004) A.Iwamoto, T.Ichikawa, P.Moller, A.J.Sierk Cluster expression in fission and fusion in high-dimensional macroscopic-microscopic calculations NUCLEAR STRUCTURE 272Ds; calculated fission potential energy surfaces. NUCLEAR REACTIONS 208Pb(64Ni, X), E not given; calculated collision surface energy vs projectile deformation.
doi: 10.1016/j.nuclphysa.2004.04.096
2004MO06 Phys.Rev.Lett. 92, 072501 (2004) P.Moller, A.J.Sierk, A.Iwamoto Five-Dimensional Fission-Barrier Calculations from 70Se to 252Cf NUCLEAR STRUCTURE 70,76Se, 90,94,98Mo, 198Hg, 210,212Po, 228Ra, 228,230,232,234Th, 232,234,236,238,240U, 236,238,240,242,244,246Pu, 242,244,246,248,250Cm, 250,252Cf; calculated fission barrier parameters. Macroscopic-microscopic model, comparison with previous results.
doi: 10.1103/PhysRevLett.92.072501
2004MO38 Prog.Theor.Phys.(Kyoto), Suppl. 154, 21 (2004) P.Moller, A.J.Sierk, T.Ichikawa, A.Iwamoto Fission and Fusion at the End of the Periodic System NUCLEAR REACTIONS 208Pb(50Ti, X), (70Zn, X), E not given; calculated potential energy vs separation and deformation. 208Pb(48Ca, X), (50Ti, X), (54Cr, X), (58Fe, X), (62Ni, X), (64Ni, X), (70Zn, X), (74Ge, X), (76Ge, X), E not given; calculated fusion barrier energies; deduced microscopic and deformation effects.
2003CH84 Acta Phys.Hung.N.S. 18, 427 (2003) First Order Phase Transition of Expanding Matter and Its Fragmentation
doi: 10.1556/APH.18.2003.2-4.53
2003FU19 Phys.Rev.Lett. 91, 261101 (2003) Re/Os Constraint on the Time Variablility of the Fine-Structure Constant RADIOACTIVITY 187Re(β-); analyzed decay rate, possible time dependence features.
doi: 10.1103/PhysRevLett.91.261101
2003MA33 Chin.Phys.Lett. 20, 1238 (2003) G.J.Mao, V.N.Kondratyev, A.Iwamoto, Z.X.Li, X.Z.Wu, W.Greiner, I.N.Mikhailov Neutron Star Composition in Strong Magnetic Fields
doi: 10.1088/0256-307X/20/8/315
2002CH27 Phys.Rev. C65, 067601 (2002) First Order Phase Transition of Expanding Matter and Its Fragmentation
doi: 10.1103/PhysRevC.65.067601
2002IW02 J.Nucl.Sci.Technol.(Tokyo) 39, 332 (2002) A.Iwamoto, P.Moller, D.G.Madland, A.J.Sierk Mass Division in Nuclear Fission and Isotope Effect NUCLEAR STRUCTURE 256,258Fm; calculated fission saddle point shapes; deduced mass-symmetric and mass-asymmetric modes.
doi: 10.1080/18811248.2002.9715198
2001CH06 Phys.Rev. C63, 024602 (2001) S.Chikazumi, T.Maruyama, S.Chiba, K.Niita, A.Iwamoto Quantum Molecular Dynamics Simulation of Expanding Nuclear Matter and Nuclear Multifragmentation
doi: 10.1103/PhysRevC.63.024602
2001MO13 Nature(London) 409, 785 (2001) P.Moller, D.G.Madland, A.J.Sierk, A.Iwamoto Nuclear Fission Modes and Fragment Mass Asymmetries in a Five-Dimensional Deformation Space NUCLEAR STRUCTURE 228Ra, 234U, 256,258Fm; calculated potential energy surfaces; deduced fission mode features. 220,222,224,226,228,230,232Th, 228,230,232,234,236,238,240U, 234,236,238,240,242,244,246Pu, 240,242,244,246,248,250,252Cm, 246,248,250,252,254,256,258Cf, 246,248,250,252,254,256,258Fm; calculated average fragment mass division in asymmetric fission. Five-dimensional shape-coordinate grid. Comparisons with data.
doi: 10.1038/35057204
2000CH05 Phys.Lett. 476B, 273 (2000) S.Chikazumi, T.Maruyama, K.Niita, A.Iwamoto QMD Simulation of Expanding Nuclear Matter
doi: 10.1016/S0370-2693(00)00161-1
2000FU01 Nucl.Phys. B573, 377 (2000) Y.Fujii, A.Iwamoto, T.Fukahori, T.Ohnuki, M.Nakagawa, H.Hidaka, Y.Oura, P.Moller The Nuclear Interaction at Oklo 2 Billion Years Ago NUCLEAR REACTIONS 149Sm, 155,157Gd(n, X), E=thermal; calculated σ vs resonance parameters. Comparison with isotopic abundances from natural reactor.
doi: 10.1016/S0550-3213(00)00038-9
2000KO17 Phys.Rev. C61, 044613 (2000) V.N.Kondratyev, A.Bonasera, A.Iwamoto Kinetics in Sub-Barrier Fusion of Spherical Nuclei NUCLEAR REACTIONS 16O(16O, X), E=7-12 MeV; 58,64Ni(58Ni, X), 64Ni(64Ni, X), E=90-110 MeV; calculated fusion σ; deduced role of neck formation, deformation, nonlocality. Semiclassical transport theory.
doi: 10.1103/PhysRevC.61.044613
2000MO08 Phys.Rev. C61, 047602 (2000) Realistic Fission Saddle-Point Shapes NUCLEAR STRUCTURE 228Ra, 232Th, 240Pu, 258Fm; calculated fission saddle-point shapes.
doi: 10.1103/PhysRevC.61.047602
1999IW04 Acta Phys.Hung.N.S. 10, 265 (1999) A.Iwamoto, V.Kondratyev, A.Bonasera Effect of Nucleon Exchange in Sub- and Above-Barrier Fusion NUCLEAR REACTIONS 16O(16O, X), E=7-12 MeV; 58Ni(58Ni, X), E=90-110 MeV; calculated fusion σ; deduced reaction mechanism features. Vlasov equation, Feynman path integral method. Comparison with data.
1999MB10 Nucl.Phys. (Supplement) A654, 908c (1999) T.Maruyama, K.Niita, K.Oyamatsu, T.Maruyama, S.Chiba, A.Iwamoto Nuclear Matter Structure Studied with Quantum Molecular Dynamics
doi: 10.1016/S0375-9474(00)88570-X
1999MO38 Acta Phys.Hung.N.S. 10, 241 (1999) Topology of Five-Dimensional, Million-Grid-Point Fission Potential-Energy Surfaces in the 3QS Parameterization NUCLEAR STRUCTURE 236U, 256,258Fm; calculated fission saddle-point deformations. Macroscopic-microscopic method, five-dimensional grid.
1999WU01 Phys.Rev. C59, 215 (1999) Statistical Properties of Quasiparticle Spectra in Deformed Nuclei NUCLEAR STRUCTURE Cf; calculated quasiparticle level spacing distributions vs deformation; deduced statistical properties, pairing effect.
doi: 10.1103/PhysRevC.59.215
1998KO14 Phys.Lett. 423B, 1 (1998) Nonlocality and Polarizability in the Fusion of Fermi Droplets NUCLEAR REACTIONS 58Ni(58Ni, X), E ≈ 90-110 MeV; calculated fusion σ; deduced possible subbarrier enhancement mechanism. Semiclassical mean-field transport theory. Comparison with data.
doi: 10.1016/S0370-2693(98)00067-7
1998MA04 Phys.Rev. C57, 655 (1998) T.Maruyama, K.Niita, K.Oyamatsu, T.Maruyama, S.Chiba, A.Iwamoto Quantum Molecular Dynamics Approach to the Nuclear Matter Below the Saturation Density
doi: 10.1103/PhysRevC.57.655
1997BO02 Phys.Rev.Lett. 78, 187 (1997) Spontaneous Fission: A kinetic approach RADIOACTIVITY 252Cf(SF); calculated density profile time evolution, fission fragment final kinetic energies. Semi-classical Vlasov equation.
doi: 10.1103/PhysRevLett.78.187
1997BO31 Phys.Rev.Lett. 79, 3540 (1997) Bonasera and Iwamoto Reply:
doi: 10.1103/PhysRevLett.79.3540
1997BO34 J.Phys.(London) G23, 1297 (1997) A.Bonasera, V.N.Kondratyev, A.Iwamoto Nuclear Dynamics Below the Coulomb Barrier NUCLEAR REACTIONS 16O(16O, X), E not given; analyzed interaction potential vs separation; deduced dynamic polarization effects. Vlasov equation, Feynman path integral. RADIOACTIVITY 258Fm(SF); calculated mass density vs time. Vlasov equation, Feynman path integral.
doi: 10.1088/0954-3899/23/10/018
1997MA71 Prog.Theor.Phys.(Kyoto) 98, 87 (1997) T.Maruyama, K.Niita, T.Maruyama, A.Iwamoto On the IMF Multiplicity in Au + Au Reactions NUCLEAR REACTIONS 197Au(197Au, X), E=100, 250, 400 MeV/nucleon; calculated intermediate mass fragment multiplicity distributions. Quantum molecular dynamics approach, evaporation model. Comparison with data.
doi: 10.1143/PTP.98.87
1996CH10 Phys.Rev. C53, 1824 (1996) S.Chiba, M.B.Chadwick, K.Niita, T.Maruyama, T.Maruyama, A.Iwamoto Nucleon-Induced Preequilibrium Reactions in Terms of the Quantum Molecular Dynamics NUCLEAR REACTIONS 58Ni(p, xp), E=120, 200 MeV; 90Zr(p, xp), (p, xn), E=160 MeV; 27Al(p, xp), (p, xn), E=90 MeV; 90Zr(p, xn), E=160 MeV; analyzed σ(θ, E(nucleon)); deduced multiple pre-equilibrium particle emission role. Quantum molecular dynamics approach.
doi: 10.1103/PhysRevC.53.1824
1996CH15 Phys.Rev. C54, 285 (1996) S.Chiba, O.Iwamoto, T.Fukahori, K.Niita, T.Maruyama, T.Maruyama, A.Iwamoto Analysis of Proton-Induced Fragment Production Cross Sections by the Quantum Molecular Dynamics Plus Statistical Decay Model NUCLEAR REACTIONS, ICPND 56Fe(p, n), (p, 3n2p), (p, 3n3p), (p, 5n4p), (p, 3n6p), (p, 4n6p), (p, 5n6p), (p, 6n8p), E=threshold-5 GeV; 27Al(p, n3p), (p, 3n3p), (p, 5n5p), (p, 11n10p), E ≤ 6 GeV; analyzed residuals production σ(E). Quantum molecular dynamics plus statistical decay models.
doi: 10.1103/PhysRevC.54.285
1996IW01 Nucl.Phys. A605, 334 (1996) Nuclear Deformation and Sub-Barrier Fusion Cross Sections NUCLEAR REACTIONS, ICPND 154Sm(32S, X), E(cm)=110-140 MeV; 154Sm(α, X), E(cm)=12-25 MeV; 154Sm(12C, X), E(cm)=42-60 MeV; 154Sm(16O, X), E(cm)=54-70 MeV; 154Sm(28Si, X), E(cm)=90-130 MeV; 154Sm(40Ar, X), E(cm)=110-150 MeV; 186W(16O, X), E(cm)=65-90 MeV; 238U(16O, X), E(cm)=75-115 MeV; calculated fusion σ(E), potential energy surfaces.
doi: 10.1016/0375-9474(96)00155-8
1996MA02 Phys.Rev. C53, 297 (1996) T.Maruyama, K.Niita, A.Iwamoto Extension of Quantum Molecular Dynamics and Its Application to Heavy-Ion Collisions NUCLEAR STRUCTURE 12C, 93Nb, 197Au; calculated density distribution, Gaussian widths. NUCLEAR REACTIONS, ICPND 12C(12C, X), E=29 MeV/nucleon; 27Al(40Ar, X), E=44 MeV/nucleon; calculated σ vs fragment mass. 16O(16O, X), E ≤ 200 MeV; calculated fusion σ(E). Extended quantum molecular dynamics method.
doi: 10.1103/PhysRevC.53.297
1995CH49 Phys.Rev. C52, 2800 (1995) M.B.Chadwick, S.Chiba, K.Niita, T.Maruyama, A.Iwamoto Quantum Molecular Dynamics and Multistep-Direct Analyses of Multiple Preequilibrium Emission NUCLEAR REACTIONS 90Zr(p, xp), E=160 MeV; calculated angle-integrated σ for primary, multiple preequilibrium emission. Quantum molecular dynamics, multi-step direct analysis.
doi: 10.1103/PhysRevC.52.2800
1995IW03 Nucl.Phys. A596, 329 (1995) A.Iwamoto, P.Moller, J.R.Nix, H.Sagawa Collisions of Deformed Nuclei: A path to the far side of the superheavy island NUCLEAR REACTIONS, ICPND 154Sm(16O, X), E(cm) ≈ 55-70 MeV; calculated fusion σ(E), potential energy surface; deduced colliding nuclei deformation, orientation role. RADIOACTIVITY 288Og(α) [from 186W(104Ru, X), E=362.3 MeV]; 300122, 301122(α) [from 186W(116Cd, X), E=398 MeV]; 293Lv(α) [from 248Cm(48Ca, X), E=212.56 MeV]; 294120(α) [from 186W(110Pd, X), E=376.2 MeV]; calculated Q(α).
doi: 10.1016/0375-9474(95)00394-0
1995NI12 Phys.Rev. C52, 2620 (1995) K.Niita, S.Chiba, T.Maruyama, T.Maruyama, H.Takada, T.Fukahori, Y.Nakahara, A.Iwamoto Analysis of the (N, xN') Reactions by Quantum Molecular Dynamics Plus Statistical Decay Model NUCLEAR REACTIONS 1n, 1H(p, X), E=0.5-3 GeV; calculated elastic, inelastic, total, pion production σ(E). 27Al(p, xp), (p, xπ-), E=3.17 GeV; 56Fe(p, xn), E=113, 597 MeV; 208Pb(p, xn), E=0.256-3 GeV; calculated σ(θ, E(particle)). Quantum molecular dynamics model.
doi: 10.1103/PhysRevC.52.2620
1994IK01 Phys.Rev. C49, 968 (1994) H.Ikezoe, Y.Nagame, I.Nishinaka, Y.Sugiyama, Y.Tomita, K.Ideno, S.Hamada, N.Shikazono, A.Iwamoto, T.Ohtsuki Prescission and Postscission Charge Particle Emissions from the 19F + 159Tb Reaction NUCLEAR REACTIONS 159Tb(19F, F), E=124.1, 159.1 MeV; measured fission (fragment)p-, (fragment)α-coin, prescission, postscission p-, α-multiplicities; deduced fission fragment temperatures. Statistical model.
doi: 10.1103/PhysRevC.49.968
1994IW02 Z.Phys. A349, 265 (1994) Multi-Dimensional Tunneling and Nuclear Fission Process NUCLEAR STRUCTURE 236U(SF); calculated adiabatic path; deduced deviation from minimum action trajectory. Semi-classical treatment of tunneling through a multi-dimensional potential barrier.
doi: 10.1007/BF01288972
1994MO13 Nucl.Phys. A575, 381 (1994); Erratum Nucl.Phys. A577, 833 (1994) Macroscopic Potential-Energy Surfaces for Arbitrarily Oriented, Deformed Heavy Ions NUCLEAR REACTIONS 154Sm, 184W(16O, X), 24Mg(24Mg, X), 236U(α, X), 248Cm(48Ca, X), E not given; calculated potential energy surfaces related to light particle emission. Finite-range liquid drop model, arbitrarily oriented, deformed heavy ions.
doi: 10.1016/0375-9474(94)90197-X
1992IK01 Phys.Rev. C46, 1922 (1992) H.Ikezoe, N.Shikazono, Y.Nagame, Y.Sugiyama, Y.Tomita, K.Ideno, I.Nishinaka, B.J.Qi, H.J.Kim, A.Iwamoto, T.Ohtsuki Charged Particle Multiplicities in Heavy-Ion-Induced Fission NUCLEAR REACTIONS 197Au(19F, F), E=94-149.3 MeV; 181Ta, 197Au, 208Pb(19F, F), E=92-162.4 MeV; 197Au, 208Pb(28Si, F), E=147.2-194.1 MeV; measured pre-scission, post-scission charged particle multiplicity, fission, (fragment)(light charged particle)(θ); deduced fission dynamics. Statistical model.
doi: 10.1103/PhysRevC.46.1922
1991IW02 Z.Phys. A338, 303 (1991) Evaporation of Charged Particles from Highly Deformed Nucleus NUCLEAR REACTIONS 197Au(19F, xα), E=137 MeV; calculated first-chance pre-fission α yields. NUCLEAR STRUCTURE 186Hg, 216Ra, 256Cf; calculated fission saddle point deformation, α-decay barrier heights.
doi: 10.1007/BF01288194
1990IK02 Phys.Rev. C42, 342 (1990) H.Ikezoe, N.Shikazono, Y.Nagame, Y.Sugiyama, Y.Tomita, K.Ideno, A.Iwamoto, T.Ohtsuki Pre-Scission 4He Multiplicity in the 19F + 197Au Reaction NUCLEAR REACTIONS 19F(197Au, F), E=92-161 MeV; measured cross section, fission (fragment)α-coin; deduced pre-, post-scission α-multiplicities, emission barrier. Statistical model calculations.
doi: 10.1103/PhysRevC.42.342
1990IK03 Phys.Rev. C42, R1187 (1990) H.Ikezoe, N.Shikazono, Y.Nagame, Y.Sugiyama, Y.Tomita, K.Ideno, A.Iwamoto, T.Ohtsuki Pre-Scission 1H and 4He Emissions in 16O + 197Au Reaction NUCLEAR REACTIONS 197Au(16O, F), E=94-149.3 MeV; measured fission fragment (light particle)-coin; deduced emission barriers, pre-scission p, α multiplicities. Statistical model analysis.
doi: 10.1103/PhysRevC.42.R1187
1989IW01 Phys.Lett. 219B, 176 (1989) Anomalous Enchancement of the Subbarrier Fusion Cross Section by Cooperative Shell and Deformation Effects NUCLEAR REACTIONS 74Ge(74Ge, X), E(cm)=110-135 MeV; calculated fusion σ(E).
doi: 10.1016/0370-2693(89)90372-9
1989KI15 Phys.Lett. 225B, 203 (1989) Methods for the Calculation of the Fission Half-Life in the Multi-Dimensional Space RADIOACTIVITY 236U, 212Po(SF); calculated SF T1/2. Invariant path techniques.
doi: 10.1016/0370-2693(89)90806-X
1987IW02 Z.Phys. A326, 201 (1987) Enhancement of the Subbarrier Fusion Reaction due to Neck Formation NUCLEAR REACTIONS, ICPND 40Ca(40Ca, X), E=45-65 MeV; 58Ni(58Ni, X), E=90-110 MeV; 64Ni(64Ni, X), E=85-110 MeV; 74Ge(74Ge, X), E=105-135 MeV; 80Se(80Se, X), E=125-150 MeV; 90Zr(90Zr, X), E=170-195 MeV; calculated fusion σ(E), potential energies. Neck formation, Krappe-Nix-Sierk model.
1987IW03 Phys.Rev. C35, 984 (1987) Exciton-Model Approach to Fast-Particle Emission in Heavy-Ion Collisions NUCLEAR REACTIONS 27Al, 90Zr, 197Au(16O, pX), E=310 MeV; analyzed σ(Ep, θp). Exciton model.
doi: 10.1103/PhysRevC.35.984
1984IW04 Nucl.Phys. A419, 472 (1984) An Extension of the Generalized Exciton Model and Calculations of (p, p') and (p, α) Angular Distributions NUCLEAR REACTIONS 197Au, 209Bi, 120Sn(p, p'), E=62 MeV; calculated σ(θ, Ep'). 120Sn(p, α), E=62 MeV; 209Bi(p, α), E=39, 62 MeV; calculated σ(θ, Eα). Generalized exciton model.
doi: 10.1016/0375-9474(84)90627-4
1983SA27 Phys.Rev. C28, 1527 (1983) Pre-Equilibrium Emission of Light Composite Particles in the Framework of the Exciton Model NUCLEAR REACTIONS 89Y, 120Sn, 197Au, 54Fe(p, p), (p, d), (p, t), (p, 3He), (p, α), E=62 MeV; 58Ni(p, t), (p, α), (p, 3He), E=90 MeV; calculated σ(Ep), σ(Ed), σ(Et), σ(E(3He)), σ(Eα); deduced composite particle emission mechanism. Exciton model.
doi: 10.1103/PhysRevC.28.1527
1983YA07 Z.Phys. A313, 161 (1983) Friction Coefficients for Deep Inelastic Heavy-Ion Collisions NUCLEAR REACTIONS 196Pt(64Zn, 64Zn), E not given; calculated radial-radial friction coefficient vs relative distance, temperature. 197Au(40Ar, X), E=288, 340 MeV; 197Au(40Ar, X), E=279, 388 MeV; 232Th(40Ar, X), E=279, 388 MeV; calculated mass diffusion coefficient vs temperature, relative distance. Linear response theory.
doi: 10.1007/BF01417223
1982IW03 Phys.Rev. C26, 1821 (1982) Mechanism of Cluster Emission in Nucleon-Induced Preequilibrium Reactions NUCLEAR REACTIONS 54Fe, 118,120Sn(p, α), E=29-62 MeV; calculated σ(E, Eα); deduced reaction mechanism. Exciton model, preequilibrium emission.
doi: 10.1103/PhysRevC.26.1821
1981IW03 Z.Phys. A302, 149 (1981) A.Iwamoto, K.Harada, S.Yamaji, S.Yoshida Microscopic Calculation of Friction Coefficients for use in Heavy-Ion Reaction NUCLEAR REACTIONS 196Pt(40Ar, X), E not given; calculated friction coefficient. Deep inelastic collision, linear response theory, two-center shell model.
doi: 10.1007/BF01413045
1981YA09 Phys.Lett. 106B, 433 (1981) S.Yamaji, A.Iwamoto, K.Harada, S.Yoshida Microscopic Calculation of the Mass Diffusion Coefficient using Linear Response Theory NUCLEAR REACTIONS 27Al(20Ne, X), E=120 MeV; 197Au(63Cu, X), E=365, 443 MeV; 209Bi(136Xe, X), E=1130 MeV; 165Ho, 209Bi(84Kr, X), E=714 MeV; 58Ni(16O, X), E=92 MeV; 50Ti(32S, X), E=131, 166 MeV; 197Au, 109Ag(40Ar, X), E=288 MeV; 197Au(40Ar, X), E=340 MeV; 232Th(40Ar, X), E=279, 388 MeV; 197Au(86Kr, X), E=620 MeV; calculated mass diffusion coefficient. Linear response theory.
doi: 10.1016/0370-2693(81)90250-1
1977IW01 Phys.Lett. 68B, 35 (1977) On the Focussing Effect and the Large Energy Loss in the Quasi-Fission Reaction NUCLEAR REACTIONS Bi(Kr, F), E=525, 600 MeV; Pb(Kr, F), E=494, 510, 718 MeV; Bi(Xe, F), E=1130 MeV; Sb(Ar, F), E=199, 300 MeV; calculated fission parameters, σ(θ).
doi: 10.1016/0370-2693(77)90028-4
1976IW02 Progr.Theor.Phys. 55, 115 (1976) A.Iwamoto, S.Yamaji, S.Suekane, K.Harada Potential Energy Surfaces for the Fission of the Actinide Nuclei NUCLEAR STRUCTURE 232,236,240,244,248Th, 232,234,236,238,240,242,246,250U, 236,240,244,248,252Pu, 238,242,246,250,254Cm, 240,244,248,250,252,256Cf, 242,246,250,254,258Fm, 244,248,252,256,260No; calculated potential energy surfaces for fission.
doi: 10.1143/PTP.55.115
1974IW01 Progr.Theor.Phys. 51, 1617 (1974) A.Iwamoto, S.Suekane, S.Yamaji, K.Harada Asymmetric Fission of 236U RADIOACTIVITY, Fission 236U(SF); calculated total potential energy surface for asymmetric fission.
doi: 10.1143/PTP.51.1617
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