NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = M.R.Pahlavani Found 34 matches. 2023PA14 Pramana 97, 67 (2023) Description of energy spectrum and signature inversion for 160Tm and 161Tm isotopes using the projected shell model NUCLEAR STRUCTURE 160,161Tm; calculated energy bands, kinetic and dynamic moments of inertia, transition energies using the projected shell model. Comparison with available data.
doi: 10.1007/s12043-023-02545-w
2023PA35 Int.J.Mod.Phys. E32, 2350036 (2023) Study of α-decay half-life for axially symmetric deformed even-even isotopes of nuclei with atomic numbers 88 ≤ Z ≤ 104 RADIOACTIVITY 202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234Ra, 210,212,214,216,218,220,222,224,226,228,230,232,234,236,238Th, 218,220,222,224,226,228,230,232,234,236,238,240,242U, 230,232,234,236,238,240,242,244,246Pu, 236,238,240,242,244,246,248Cm, 238,240,242,244,246,248,250,252,254Cf, 244,248,252,256,260Fm, 254No, 258No, 262No, 256Rf, 260Rf, 264Rf, 268Rf(α); calculated T1/2. Comparison with available data.
doi: 10.1142/S0218301323500362
2022PA07 Int.J.Mod.Phys. E31, 2250008 (2022) Simulation of fragments mass distribution of 237Np, 241, 243Am and 239, 242, 244Pu isotopes in proton-induced fission NUCLEAR REACTIONS 237Np, 241,243Am, 239,242,244Pu(p, F), E=8-65 MeV; calculated fission fragments mass distributions. Comparison with available data.
doi: 10.1142/S0218301322500082
2022PA37 Int.J.Mod.Phys. E31, 2250103 (2022) M.R.Pahlavani, H.Karimi Gazafroodi Isotopic yields and spontaneous fission half-lives of 279Ds and 281Ds superheavy isotopes RADIOACTIVITY 279,281Ds(SF); calculated spontaneous fission T1/2. Comparison with available data. NUCLEAR REACTIONS 145Ce(134Te, X)279Ds, 137Ce(134Te, X)281Ds, E not given; calculated relative yields. Comparison with available data.
doi: 10.1142/S0218301322501038
2021ME11 Chin.J.Phys.(Taiwan) 71, 651 (2021) P.Mehdipour Kaldiani, M.R.Pahlavani Cold and spontaneous fission fragments mass yield of 252Cf using the statistical scission point model with the pairing energy and temperature dependent shell energy corrections RADIOACTIVITY 252Cf(SF); calculated cold and spontaneous fission fragments mass yields using the statistical scission point model. Comparison with experimental data and the calculated results of the WKB model.
doi: 10.1016/j.cjph.2021.04.008
2021PA15 Phys.Rev. C 103, 034608 (2021) M.R.Pahlavani, M.Masoumi Dinan Formation cross sections of isotopes of the superheavy nuclei Og, Fl, and Nh using the dinuclear system model NUCLEAR REACTIONS 208Pb(70Zn, n)277Cn*, (72Ge, n)279Fl*, (74Ge, n)281Fl*, (76Ge, n)283Fl*, (84Kr, n)291Og*, (86Kr, n)293Og*, (88Kr, n)295Og*, (90Kr, n)297Og*, (92Kr, n)299Og*,209Bi(70Zn, n)278Nh*, E*=9.8-13.3 MeV; calculated evaporation residue cross sections as function of excitation energies, level density parameters, formation probabilities of the compound nuclei (PCN), quasifission barriers, and survival probabilities. Temperature dependent pairing energy back-shifted Fermi gas (TDP-BSFG) model based on the dinuclear system model (DNS) for production of superheavy nuclei.
doi: 10.1103/PhysRevC.103.034608
2020PA29 Chin.J.Phys.(Taiwan) 66, 733 (2020) Clusters decay half-live of various heavy deformed nuclei with mass numbers in the range 221 ≤ A ≤ 242 RADIOACTIVITY 221,222,223,224,226Ra, 226Th, 221Fr, 225Ac(14C), 228Th(20O), 230U(22Ne), 231Pa(23F), 230,232,233,234,235U, 230,232Th, 231Pa(24Ne), 232Th, 234,236U(26Ne), 234,235,236U, 236Pu(28Mg), 237Np, 236U, 238Pu(30Mg), 241Am, 240Pu, 242Cm(34Si); calculated T1/2. Comparison with available data.
doi: 10.1016/j.cjph.2020.06.019
2019PA18 Phys.Rev. C 99, 044601 (2019) Isotopic yield and half-life of spontaneous fission for 284Cn and 284Fl superheavy isobars using direct calculation and semiempirical formulas RADIOACTIVITY 284Cn, 284Fl(SF); calculated yields, Q-values, and driving potentials, penetrability through barrier, and fission and total decay constants, and relative yields for each pair: one fragment from 4He to 142Ba and the other from 280Cn to 142Ce for 284Fl decay, and one fragment from 4He to 142Ba and the other from 280Ds to 142Ba for 284Cn decay using direct method, nuclear proximity and Coulomb potentials. Comparison with semi-empirical formulas, and with experimental data.
doi: 10.1103/PhysRevC.99.044601
2019PA24 Can.J.Phys. 97, 464 (2019) M.R.Pahlavani, M.Masoumi dinan Retraction: Nuclear level density and thermal properties of 270110, 278112, and 290116 superheavy isotopes in low excitation energies
doi: 10.1139/cjp-2019-0156
2019PA39 Pramana 93, 37 (2019) M.R.Pahlavani, M.Masoumi Dinan Thermal properties of 172Yb and 162Dy isotopes in the back-shifted Fermi gas model with temperature-dependent pairing energy NUCLEAR STRUCTURE 172Yb, 162Dy; calculated the level density, entropy, temperature and heat capacity using the back-shifted Fermi-gas (BSFG) model with the energy-dependent level density parameter and the temperature-dependent pairing energy.
doi: 10.1007/s12043-019-1799-y
2019ZA04 Rom.J.Phys. 64, 304 (2019) M.Zadehrafi, M.R.Pahlavani, I.Silisteanu, C.I.Anghel A=14 Accompanied Ternary Fission of 242Pu in the Collinear and Equatorial Geometries Using Proximity and Yukawa Potentials NUCLEAR REACTIONS 242Pu(n, F)14C, E cold; analyzed available data; calculated relative fission yields for 14C, fission product yields.
2018PA11 Int.J.Mod.Phys. E27, 1850018 (2018) Study of photofission fragment mass distribution of 232Th, 238U, 237Np and 240Pu isotopes in various γ-ray energies NUCLEAR REACTIONS 232Th, 238U, 237Np, 240Pu(γ, F), E<12 MeV; calculated fission fragment distributions. Comparison with experimental data.
doi: 10.1142/S0218301318500180
2018PA38 Chin.J.Phys.(Taiwan) 56, 1727 (2018) Partial α-decay half-lives of ground to ground and ground to excited states of Thorium family RADIOACTIVITY 252Cf, 248Cm, 244Pu, 236,240U, 232Th, 224,228Ra, 220Rn, 216Po, 212Pb(α); calculated T1/2. Comparison with CPPMDN and UMADAC theoretical methods and the experimental data.
doi: 10.1016/j.cjph.2018.05.014
2018PA39 Eur.Phys.J. A 54, 128 (2018) 4He, 10Be, and 34Mg accompanied ternary fission of the 242Pu isotope in the touching equatorial configuration NUCLEAR STRUCTURE 242Pu; calculated driving potentials, fission yields for α-, 10Be- and 34Mg-accompanied ternary fission using three-cluster model in equatorial configuration; deduced that heavy third fragment (34Mg)emission is with of very low probability only compared with that for lighter fragments.
doi: 10.1140/epja/i2018-12562-x
2018PA49 Eur.Phys.J. A 54, 171 (2018) Isotopic yield and half-lives for the spontaneous fission of 280Ds and 282Cn, superheavy nuclei
doi: 10.1140/epja/i2018-12602-7
2018SH01 Few-Body Systems 59, 3 (2018) Study of 14C Cluster Decay Half-Lives of Heavy Deformed Nuclei RADIOACTIVITY 216,217,218,219,220,221,222,223,224,225,226,227,228,229Ra, 216,217,218,219,220,221,222,223,224,225,226Fr, 216,217,218,219,220,221,222,223Ac, 217,218,219,220,221,222,223,224,225,226,227Th(14C);calculated T1/2. Comparison with available data.
doi: 10.1007/s00601-017-1324-0
2017PA22 Phys.Rev. C 96, 014606 (2017) Neutron-induced fission of even- and odd-mass plutonium isotopes within a four-dimensional Langevin framework NUCLEAR REACTIONS 238,239,241Pu(n, F), E=0.0253 eV; 240Pu(n, F), E=1.9 eV; 242Pu(n, F), E=15.1 MeV; calculated fragment mass distribution and compared with experimental data. 239Pu(n, F), E<500 eV; 241Pu(n, F), E<100 eV; 240Pu(n, F), E<12 MeV; 242Pu(n, F), E<10 MeV; calculated average prompt fission neutron multiplicity and compared to experimental data. Langevin equations coupled with Monte Carlo simulation.
doi: 10.1103/PhysRevC.96.014606
2017PA40 Phys.Rev. C 96, 054612 (2017) M.R.Pahlavani, O.N.Ghodsi, M.Zadehrafi 4He, 10Be, 14C, and 16O light-fragment-accompanied cold ternary fission of the 250Cm isotope in an equatorial three-cluster model RADIOACTIVITY 250Cm(SF); calculated driving potentials and fission yields in cold ternary fission for each of the accompanied 4He, 10Be, 14C, and 16O light charged particle for individual even-even mass fragment pairs of Z=2-46, A=4-122 and Z=92-48, A=242-124; deduced that even-mass number components favored over odd-mass-number components, comparison between relative yields for a variety of fragmentation in each group, doubly or near doubly magic closed-shell fragment pairs favored such as 4He+114Ru+132Sn, 10Be+110Mo+130Sn, 14C+104Zr+132Sn, 16O+102Sr+132Sn. Equatorial three-cluster model (TCM) configuration.
doi: 10.1103/PhysRevC.96.054612
2017TO04 Phys.Rev. C 95, 034601 (2017) F.Torabi, O.N.Ghodsi, M.R.Pahlavani Examination of the energy dependence of the fusion process NUCLEAR REACTIONS 48Ca(40Ca, X), E(cm)=45-70 MeV; 92Zr(16O, X), E(cm)=38-73 MeV; 90Zr(40Ca, X), E(cm)=92-112 MeV; calculated fusion σ(E), interaction potentials using different Skyrme interactions, diffuseness parameters of proton and neutron density distributions. Skyrme energy density functional and coupled-channel formalism. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.034601
2016PA11 Phys.Rev. C 93, 044617 (2016) Dynamical simulation of neutron-induced fission of uranium isotopes using four-dimensional Langevin equations NUCLEAR REACTIONS 233U(n, F), E=thermal-30 MeV; 235U(n, F), E=thermal-200 MeV; 238U(n, F), E=0.5-200 MeV; calculated mass distribution of fission fragments for thermal-neutron fission in 233,235U and fast-neutron emission in 238U using funny hills parameterization, multiplicity of emitted neutrons, fission cross section for E(n)=0.007-1 keV for 233U, 0.0001-2 keV for 235U and 0.5-200 MeV for 238U, average total kinetic energy (TKE) of fragments with four-dimensional stochastic Langevin equations. Modified dynamical calculation by considering shell effects. Analyzed energy dissipation of compound nucleus using wall-and-window one-body friction scheme. Comparison with Monte Carlo simulation, and with experimental data.
doi: 10.1103/PhysRevC.93.044617
2016PA17 Eur.Phys.J. A 52, 95 (2016) Probing energy dissipation, γ-ray and neutron multiplicity in the thermal neutron-induced fission of 239Pu NUCLEAR REACTIONS 239Pu(n, F), E=thermal; calculated fission fragment mass distribution, kinetic energy distribution, average prompt γ multiplicity and average neutron multiplicity vs fission fragment mass, average γ and neutron energy, σ for En=0.01-10 eV using four-dimensional Langevin equation. Compared with data.
doi: 10.1140/epja/i2016-16095-0
2016PA31 J.Phys.(London) G43, 095101 (2016) γ-decay of 168O8 and 167N9 in proton-neutron Tamm-Dancoff and random phase approximations with optimized surface σ interactions RADIOACTIVITY 16N, 16O(IT); calculated energy levels, J, π, B(Eλ), level T1/2. Comparison with available data.
doi: 10.1088/0954-3899/43/9/095101
2015PA22 J.Phys.(London) G42, 065104 (2015) Theoretical investigation of shape parametrization's effects on characteristics of fission fragments in 18O-induced fission of 154Sm, 197Au, 238U and 246Cm NUCLEAR REACTIONS 154Sm(18O, X)172Yb, 197Au(18O, X)215Fr, 238U(18O, X)256Fm, 246Cm(18O, X)264Rf, E=102.5, 158.8 MeV; calculated yields, fission fragment mass distributions, pre-scission neutron multiplicity, total kinetic energy of fission fragments. Comparison with available data.
doi: 10.1088/0954-3899/42/6/065104
2015PA36 Phys.Rev. C 92, 024622 (2015) Dynamics of neutron-induced fission of 235U using four-dimensional Langevin equations NUCLEAR REACTIONS 235U(n, F), E(236U*)=20 MeV; calculated mass distribution of fission fragments, neutron and gamma-ray multiplicity, Eγ, En with Langevin equations; deduced fission time scale and viscosity; thermal neutron energy. Langevin dynamical approach combined with a Monte Carlo method. Comparison with experimental data.
doi: 10.1103/PhysRevC.92.024622
2015PA44 Eur.Phys.J. A 51, 149 (2015) β- transitions of 167Ng → 168O8 with optimized SDI residual interaction using pn TDA and TDA approximations NUCLEAR STRUCTURE 16N, 16O; calculated levels, J, π for pure configuration, TDA, TDA with optimized SDI (Surface Delta Interaction) parameters, β-decay of 16N between specific states T1/2, log ft; deduced SDI parameters. Compared to data. RADIOACTIVITY 16N(β-); calculated β-decay of 16N between specific states T1/2, log ft using TDA with SDI. Compared to data.
doi: 10.1140/epja/i2015-15149-1
2013NA09 Phys.Rev. C 87, 054618 (2013) D.Naderi, M.R.Pahlavani, S.A.Alavi Anisotropy of the angular distribution of fission fragments in heavy-ion fusion-fission reactions: The influence of the level-density parameter and the neck thickness NUCLEAR REACTIONS 208Pb(16O, X), E=85-150 MeV; 209Bi(20Ne, X), E=120-220 MeV; calculated neutron multiplicity, and anisotropy of angular distribution of fission fragments as function of incident beam energy. Heavy ion fusion-fission reactions. Effects of the level-density parameter based on liquid drop model and neck thickness. One- and two-dimensional Langevin dynamical approach. Comparison with experimental data.
doi: 10.1103/PhysRevC.87.054618
2013PA21 Phys.Rev. C 87, 065202 (2013) M.R.Pahlavani, J.Sadeghi, R.Morad Nucleon-meson couplings in a one-boson-exchange potential using noncritical string theory
doi: 10.1103/PhysRevC.87.065202
2013PA41 Phys.Rev. C 88, 064004 (2013) Binding energy of light nuclei using the noncritical holography model NUCLEAR STRUCTURE 2,3H, 3,4He; calculated binding energies, potentials of ground and excited states using a noncritical holographic QCD model of the nucleon-nucleon potential. Comparison with other calculations, and with experimental data.
doi: 10.1103/PhysRevC.88.064004
2012PA30 Eur.Phys.J. A 48, 129 (2012) Study of fusion cross-section in heavy-ion fusion-fission reactions at around fusion barrier energies using the Langevin dynamical approach NUCLEAR REACTIONS 96Zr(64Ni, X), E(cm)=123-157 MeV;100Mo(64Ni, X), E(cm)=127-144 MeV;124Sn(58Ni, X), E(cm)=150-190 MeV;168Er(34S, X), E(cm)=114-127 MeV;208Pb(32S, X), E(cm)=139-185 MeV;208Pb(50Ti, X), E(cm)=183-204 MeV; calculated fusion σ using coupled Langevin equations with Monte Carlo simulation. Compared with data and CCFULL calculations.
doi: 10.1140/epja/i2012-12129-y
2011PA04 Int.J.Mod.Phys. E20, 45 (2011) M.R.Pahlavani, D.Naderi, s.M.Mirfathi Dynamical study of anisotropy in angular distribution of fission fragments in 16O+181Ta and 16O+208Pb fusion-fission reactions NUCLEAR REACTIONS 181Ta, 208Pb(16O, X), E<140 MeV; calculated pre-scission neutron multiplicity, fission fragment σ(θ). Langevin equation and transition state model.
doi: 10.1142/S0218301311017314
2011PA06 Phys.Rev. C 83, 024602 (2011) Influence of dynamical parameters on pre-scission particles and fission probability in heavy-ion collisions NUCLEAR REACTIONS 197Au(16O, F), E=90-125 MeV; 181Ta(19F, F), E=90-140 MeV; calculated fission probabilities and pre-scission particle (proton, neutron and α-particle) multiplicities using a stochastic approach to fission dynamics based on one- and three-dimensional Langevin equations. Comparison with experimental data.
doi: 10.1103/PhysRevC.83.024602
2010PA23 Phys.Rev. C 82, 025201 (2010) M.R.Pahlavani, J.Sadeghi, R.Morad Binding energy of a holographic deuteron and tritium in anti-de-Sitter space/conformal field theory (AdS/CFT)
doi: 10.1103/PhysRevC.82.025201
2008MI25 Phys.Rev. C 78, 064612 (2008) Dynamical simulation of energy dissipation in asymmetric heavy-ion induced fission of 200Pb, 213Fr, and 251Es NUCLEAR REACTIONS 197Au, 238U(18O, X)215Fr/256Fm, E=159 MeV; 170Er(30Si, X)200Pb, E=159 MeV; 197Au(16O, X)213Fr, E=159 MeV; 232Th(19F, X)251Pb, E=159 MeV; calculated fission fragment mass distributions, pre-scission neutron multiplicities. Asymmetric dynamical model.
doi: 10.1103/PhysRevC.78.064612
2001SI29 Phys.Rev. C64, 024607 (2001) S.Sinha, M.R.Pahlavani, R.Varma, R.K.Choudhury, B.K.Nayak, A.Saxena Fusion Barrier Distributions from Quasielastic Excitation Function Measurements in 16, 18O + 120, 124Sn Systems NUCLEAR REACTIONS 120,124Sn(16O, X), (18O, X), E=42-67 MeV; measured quasielastic backward angle σ; deduced fusion barrier distributions. Comparison with model predictions.
doi: 10.1103/PhysRevC.64.024607
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