NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of May 1, 2024.

Search: Author = O.N.Ghodsi

Found 41 matches.

Back to query form

2024GH02      Phys.Rev. C 109, 024612 (2024)

O.N.Ghodsi, M.Morshedloo, M.M.Amiri

Systematic study of heavy-cluster radioactivity from superheavy nuclei

doi: 10.1103/PhysRevC.109.024612
Citations: PlumX Metrics

2023MO08      Phys.Rev. C 107, 034610 (2023)

M.Morshedloo, O.N.Ghodsi, M.M.Amiri

Influence of the Pauli exclusion principle on heavy-cluster radioactivity

RADIOACTIVITY ²²¹Fr, ^{221,222,223,224,226}Ra, ²²⁵Ac, ²²⁶Th(¹⁴C); ²²⁶Th(¹⁸O); ²²⁸Th(²⁰O); ²³⁰U(²²Ne); ²³¹Pa(²³F); ^230,232Th, ²³¹Pa, ^{232,233,234,235,236}U(²⁴Ne); ²³⁵U(²⁵Ne); ²³²Th, ^234,236U(²⁶Ne); ^234,235,236U, ^236,238Pu(²⁸Mg); ²³⁶U, ²³⁸Pu(³⁰Mg); ²³⁸Pu(³²Si); ²⁴¹Am, ²⁴²Cm(³⁴Si); calculated T_1/2. Investigated the effect on the cluster decay of the appearing repulsive force between the interacting nuclei due to Pauli blocking. Hartree-Fock approach with various variety of Skyrme forces. Comparison to experimental data and calculations performed using the universal decay law (UDL), the unified formula (UF) of half-lives for cluster radioactivity and the scaling law (Horoi).

doi: 10.1103/PhysRevC.107.034610
Citations: PlumX Metrics

2021GH10      Phys.Rev. C 104, 044618 (2021)

O.N.Ghodsi, M.M.Amiri

Exploring α decay properties in the superheavy region through the double-folding formalism and Skyrme interactions

RADIOACTIVITY ²⁹⁴Og, ^290,292Lv, ^286,288Fl, ²⁷⁰Ds, ^264,266Hs, ^260,262Sg, ^256,258Rf, ^252,254No, ^248,250Fm, ^244,246Cf, ^240,242Cm, ^236,238Pu, ^232,234U, ^228,230Th, ^226,224Ra, ^220,222Rn, ^216,218Po(α); calculated Q(α), T_1/2(α), probability of α clusterization. ²⁹⁴Og; calculated total potentials within different nucleon density distributions. ²⁹⁶Og, ²⁹²Lv, ²⁸⁸Fl, ²⁸⁴Cn; ²⁹⁸120, ²⁹⁴Og, ²⁹⁰Lv, ²⁸⁶Fl, ²⁸²Cn; ²⁷⁴Cn, ²⁷⁰Ds, ²⁶⁶Hs, ²⁶²Sg, ²⁵⁸Rf, ²⁵⁴No, ²⁵⁰Fm, ²⁴⁶Cf, ²⁴²Cm, ²³⁸Pu, ²³⁴U, ²³⁰Th, ²²⁶Ra, ²²²Rn, ²¹⁸Po, ²¹⁴Pb; ²⁶⁸Ds, ²⁶⁴Hs, ²⁶⁰Sg, ²⁵⁶Rf, ²⁵²No, ²⁴⁸Fm, ²⁴⁴Cf, ²⁴⁰Cm, ²³⁶Pu, ²³²U, ²²⁸Th, ²²⁴Ra, ²²⁰Rn, ²¹⁶Po, ²¹²Pb; calculated potential strength parameters and volume integrals for ²⁹⁸120, ²⁹⁶Og, ²⁷⁴Cn and ²⁶⁸Ds α-decay chains. Z=84-118; calculated binding energies and rms radii of even-Z nuclei, and deduced deviations from the experimental values using SLy4 and OMGA Skyrme interactions. Calculations of α-nucleus core potentials by double-folding (DF) model, with density distributions of protons and neutrons from self-consistent Hartree-Fock-Bogoliubov (HFB) calculations using SLy4 and OMEGA Skyrme interactions. Comparison with experimental half-lives for α decay.

doi: 10.1103/PhysRevC.104.044618
Citations: PlumX Metrics

2021HA50      Chin.Phys.C 45, 124106 (2021)

M.Hassanzad, O.N.Ghodsi

Theoretical study on the favored alpha-decay half-lives of deformed nuclei

NUCLEAR STRUCTURE Z=93-118; calculated α-decay T_1/2 using various versions of proximity potentials within the WKB approximation formalism.

doi: 10.1088/1674-1137/ac28f3
Citations: PlumX Metrics

2021MO17      Chin.Phys.C 45, 044107 (2021)

J.Mohammadi, O.N.Ghodsi

Study of the dinuclear system for ²⁹⁶119 superheavy compound nucleus in fusion reactions

NUCLEAR REACTIONS ²⁵¹Cf(⁴⁵Sc, X), ²⁵⁴Es(⁴²Ca, X), ²⁵⁷Fm(³⁹K, X), ²⁵⁸Md(³⁸Ar, X)²⁹⁶119, E>200 MeV; calculated capture and fusion σ, potential energy surfaces.

doi: 10.1088/1674-1137/abe03e
Citations: PlumX Metrics

2020GH01      Nucl.Phys. A996, 121691 (2020)

T.Ghasemi, O.N.Ghodsi

Variation of nuclear matter properties in fusion reaction of the ⁶⁴Ni + ⁶⁴Ni

doi: 10.1016/j.nuclphysa.2020.121691
Citations: PlumX Metrics

2020GH02      Phys.Rev. C 101, 034606 (2020)

O.N.Ghodsi, M.Hassanzad

α-decay properties of even-even superheavy nuclei

RADIOACTIVITY ^{260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290}Sg, ^{264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294}Hs, ^{264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296}Ds, ^{262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298}Cn, ^{268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300}Fl, ^{280,282,284,286,288,290,292,294,296,298,300,302}Lv, ^{282,284,286,288,290,292,294,296,298,300,302,304}Og, ^{288,290,292,294,296,298,300,302,304,306}120, ^{296,298,300,302,304,306,308,310,312,314}122, ^{300,302,304,306,308,310,312,314,316,318,320}124, ^{306,308,310,312,314,316,318,320,322,324,326}126(α); calculated α-decay half-lives, and α-preformation factors within proximity potentials and deformed-spherical Coulomb potentials using WS4 α-decay energy, and the semiclassical Wentzel-Kramers-Brillouin approximation within the cluster-formation model; predicted 162, 178, and 184 neutron magic numbers. Comparison with other theoretical predictions from semiempirical relationships of Royer, VSS, UDL, and SemFIS2.

doi: 10.1103/PhysRevC.101.034606
Citations: PlumX Metrics

2020MO20      Chin.Phys.C 44, 054107 (2020)

M.Moghaddari Amiri, O.N.Ghodsi

Constraints on neutron skin thickness and symmetry energy of ²⁰⁸Pb through Skyrme forces and cluster model

NUCLEAR STRUCTURE ²⁰⁸Pb, ²¹²Po; calculated binding energies and root-mean-square charge radii, neutron skin thickness using the cluster structure properties.

doi: 10.1088/1674-1137/44/5/054107
Citations: PlumX Metrics

2020MO37      Phys.Rev. C 102, 054602 (2020)

M.Moghaddari Amiri, O.N.Ghodsi

Influence of the Pauli exclusion principle on α decay

RADIOACTIVITY ^{198,200,202,204,206,208,210,212,214,216,218}Po, ^{200,202,204,206,208,210,212,214,216,218,220,222}Rn, ^{206,208,210,212,214,216,218,220,222,224,226}Ra, ^{212,214,216,218,220,222,224,226,228}Th, ^{218,222,224,226,228}U(α); calculated α-decay half-lives using Wentzel-Kramers-Brillouin (WKB) approximation, Gurvitz method, M3Y and modified potentials, and Cluster formation method (CFM). Comparison with experimental data, and with predictions of Viola-Seaborg-Sobiczewski (VSS) empirical formalism, Royer analytic formula (RF), and the universal decay law (UDL). Investigated effects of the repulsive forces arising from Pauli exclusion principle (PEP).

doi: 10.1103/PhysRevC.102.054602
Citations: PlumX Metrics

2020NE11      Int.J.Mod.Phys. E29, 2050070 (2020)

S.Nejati, O.N.Ghodsi

Study of the dependence of alpha decay half-life on the surface symmetry energy

RADIOACTIVITY ²⁰⁸Pb, ^210,212Po, ^212,214Rn, ^214,216Ra, ²¹⁸Th(α); calculated T_1/2, dependence of the bulk and surface contributions on the surface symmetry energy using Skyrme interactions. Comparison with available data.

doi: 10.1142/S0218301320500706
Citations: PlumX Metrics

2020TO02      Nucl.Phys. A994, 121661 (2020)

F.Torabi, E.F.Aguilera, O.N.Ghodsi, A.Gomez-Camacho

Systematic study of elastic scattering and fusion induced by weakly bound ⁶Li on medium mass targets. Threshold anomalies

doi: 10.1016/j.nuclphysa.2019.121661
Citations: PlumX Metrics

2019GH03      Nucl.Phys. A987, 369 (2019)

O.N.Ghodsi, M.Hassanzad

Systematic study of α-decay half-lives of super-heavy nuclei with 106 ≤ Z ≤ 118

RADIOACTIVITY Z=106-118(α); calculated α-decay T_1/2 using Proximity 1977 model; compared with other calculations and available data.

doi: 10.1016/j.nuclphysa.2019.05.001
Citations: PlumX Metrics

2019GH10      Chin.Phys.C 43, 124105 (2019)

B.A.Gheshlagh, O.N.Ghodsi

Determination of isospin asymmetry effects on α-decay

NUCLEAR STRUCTURE Z=82-92; analyzed available data; deduced effect of the isospin asymmetry of proton and neutron density distributions in the neutron skin-type (NST) case and in the Hartree-Fock formalism (HF) on the T_1/2 of α emitters.

doi: 10.1088/1674-1137/43/12/124105
Citations: PlumX Metrics

2018DA11      Phys.Rev. C 97, 054621 (2018)

A.Daei-Ataollah, O.N.Ghodsi, M.Mahdavi

Proximity potential and temperature effects on α-decay half-lives

RADIOACTIVITY Z=80-102, A=176-257(α); calculated decay temperature of parent nuclei. Z=84-91, N=106-142(α); calculated released energy of emitted α particle and temperature of parent nuclei versus neutron number, surface energy coefficients, variation of Q-value, α penetration probability and T_1/2. Calculations performed using temperature dependent modification of Dutt 2011 proximity model. Comparison with experimental values.

doi: 10.1103/PhysRevC.97.054621
Citations: PlumX Metrics

2018GH02      Int.J.Mod.Phys. E27, 1850016 (2018)

O.N.Ghodsi, M.Khalaj

Systematic study on the isotopic behavior of fusion barrier using the density-dependent nucleon-nucleon interactions

doi: 10.1142/S0218301318500167
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2016GH01      Phys.Rev. C 93, 024612 (2016)

O.N.Ghodsi, A.Daei-Ataollah

Systematic study of α decay using various versions of the proximity formalism

RADIOACTIVITY Z=52-107(α); calculated α-decay half-lives for favored ground-state-to-ground-state transitions of 344 isotopes (136 even-even, 84 even-odd, 76 odd-even, and 48 odd-odd) using 28 versions of proximity potential model in the framework of the Wentzel-Kramers-Brillouin (WKB) approximation; deduced root-mean-square deviations. Comparison with other theoretical studies.

doi: 10.1103/PhysRevC.93.024612
Citations: PlumX Metrics

2016GH05      Phys.Rev. C 93, 054620 (2016)

O.N.Ghodsi, E.Gholami

Effect of deformation and vibration on the α decay half-life

RADIOACTIVITY ¹⁶²Hf, ¹⁷⁴Os, ^176,178,190Pt, ^188,190Pb, ²²⁶Ra, ²²⁶Th, ²²⁶U(α); calculated half-lives using one-dimensional potential (ODP) and coupled channel (CC) approaches with two versions of Coulomb and proximity potential model: spherical (CPPM) and deformed (CPPMDN). Comparison with experimental values and other theoretical calculations.

doi: 10.1103/PhysRevC.93.054620
Citations: PlumX Metrics

2016GH08      Phys.Rev. C 93, 064611 (2016)

O.N.Ghodsi, F.Torabi

Effect of nuclear matter incompressibility on the ¹⁶O + ²⁰⁸Pb system

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁶O, X), E(cm)=70-110 MeV; ⁹⁰Zr(⁴⁰Ca, X), E(cm)=93-111 MeV; calculated fusion σ(E), fusion barrier distributions as function of incident energy; deduced incompressibility of nuclear matter as a function of energy. Internuclear potential model with various Skyrme forces using CCFULL code. Comparison with experimental data.

doi: 10.1103/PhysRevC.93.064611
Citations: PlumX Metrics

2015GH02      Phys.Rev. C 91, 034611 (2015)

O.N.Ghodsi, S.M.Motevalli, E.Gholami

Half-life of spherical α emitters and intrinsic properties of nuclei

RADIOACTIVITY ^146,148Sm, ¹⁴⁸Gd, ²²⁴Ra(α); calculated penetration probabilities, half-lives using coupled channel formalism by considering effects of surface vibrations in daughter nuclei. Comparison with calculations using semiclassical WKB approximation, other theoretical predictions, and with experimental data for half-lives.

doi: 10.1103/PhysRevC.91.034611
Citations: PlumX Metrics

2015GH07      Phys.Rev. C 92, 064612 (2015)

O.N.Ghodsi, F.Torabi

Comparative study of fusion barriers using Skyrme interactions and the energy density functional

NUCLEAR REACTIONS ⁵⁸Ni(¹⁶O, X), E(cm)=29-55 MeV; ⁴⁸Ca(³⁶S, X), E(cm)=35-65 MeV; ⁴⁰Ca(⁴⁰Ca, X), E(cm)=48-68 MeV; ¹⁹⁷Au(¹⁹F, X), E(cm)=80-152 MeV; calculated fusion σ(E), barrier heights using SVI, SII, and SIII Skyrme energy density functional in the semiclassical extended Thomas-Fermi (ETF) approximation. Comparison with experimental data.

doi: 10.1103/PhysRevC.92.064612
Citations: PlumX Metrics

2014GH05      Phys.Rev. C 89, 054607 (2014)

O.N.Ghodsi, F.Lari

Parametrization of barrier characteristics for deformed oriented nuclei

NUCLEAR REACTIONS ¹⁶O, ⁴⁰Ar, ⁸⁴Kr, ¹⁹⁷Au, ²⁰⁸Pb(²⁷Al, X), E not given; ¹⁶O, ⁴⁰Ca, ⁹²Mo, ¹⁹⁷Au, ²⁰⁹Bi(²⁰Ne, X), E not given; calculated barrier height and position, reduced fusion position using proximity potential for spherical-oblate and spherical-prolate nuclei, hot and cold fusion barriers.

doi: 10.1103/PhysRevC.89.054607
Citations: PlumX Metrics

2014GH06      Phys.Rev. C 89, 064612 (2014)

O.N.Ghodsi, A.Moradi

Systematic study of the isotopic behavior of the fusion cross section at energies near and below the fusion barrier using the proximity formalism

doi: 10.1103/PhysRevC.89.064612
Citations: PlumX Metrics

2014RA06      Phys.Rev. C 89, 034006 (2014)

M.Ramezani, O.N.Ghodsi

Analysis of the fusion excitation functions for the ²⁸Si + ^{94, 100}Mo systems

NUCLEAR REACTIONS ^94,100Mo(²⁸Si, X), E(cm)=64-98 MeV; calculated fusion σ(E), average angular momenta, astrophysical S factor below Coulomb barrier; predictions for threshold energy of fall-off phenomena E_S using AW, M3Y, and M3Y+Rep potentials. Comparison with experimental results.

doi: 10.1103/PhysRevC.89.034006
Citations: PlumX Metrics

2013GH02      Phys.Rev. C 88, 034601 (2013)

O.N.Ghodsi, H.R.Moshfegh, R.Gharaei

Role of the saturation properties of hot nuclear matter in the proximity formalism

NUCLEAR REACTIONS ⁵⁴Fe, ^58,62Ni, ⁵⁹Co(¹⁶O, X), E(cm)=25-48 MeV; ⁶²Ni(⁴⁰Ca, X), E(cm)=65-110 MeV; ^72,73Ge(³⁷Cl, X), E(cm)=63-77 MeV; ⁵⁸Ni(²⁸Si, X), E(cm)=47-63 MeV; ^62,64Ni(³⁰Si, X), E not given; ⁶⁰Ni(³⁵Cl, X), E not given; calculated barrier heights V_B and positions R_B in fusion reactions, fusion σ(E), diffuseness parameter vs temperature. Equation of state (EoS) extracted from extended Thomas-Fermi model (ETFM) for asymmetric nuclear matter at finite temperature. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.034601
Citations: PlumX Metrics

2013GH06      Phys.Rev. C 88, 054617 (2013)

O.N.Ghodsi, R.Gharaei

Analysis of heavy-ion fusion reactions at extreme sub-barrier energies using the proximity formalism

NUCLEAR REACTIONS ¹⁰⁰Mo(²⁸Si, X), E(cm)=62-98 MeV; ⁵⁴Fe(⁵⁸Ni, X), ⁶⁴Ni(⁶⁴Ni, X), E(cm)=82-110 MeV; calculated fusion σ(E). Coupled-channels approach based on proximity potential Prox.77 and its modified forms IPM-1, IPM-2 and IPM-3, with couplings to the low-lying 2+ and 3- states in target and projectile nuclei. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.054617
Citations: PlumX Metrics

2013GO15      Chin.Phys.Lett. 30, 102502 (2013)

M.Golshanian, O.N.Ghodsi, R.Gharaei, V.Zanganeh

The Analysis of the Fusion Reaction of two Colliding Nuclei Using the FCC Lattice Model

NUCLEAR REACTIONS ⁶⁴Ni, ⁹²Zr(²⁸Si, X), ⁶⁰Ni(⁵⁸Ni, X), ⁵⁸Ni(⁴⁸Ti, X), ⁴⁸Ti(⁴⁰Ca, X), ⁴⁶Ti(⁴⁶Ti, X), E<120 MeV; calculated fusion cross sections based on the FCC+CDM3Y6 model. Comparison with available data.

doi: 10.1088/0256-307X/30/10/102502
Citations: PlumX Metrics

2013SA14      Chin.Phys.Lett. 30, 042502 (2013)

M.Salehi, O.N.Ghodsi

The Influence of the Dependence of Surface Energy Coefficient to Temperature in the Proximity Model

NUCLEAR REACTIONS ⁷²Ge(¹⁶O, X), ^48Ti(⁴⁰Ca, X), ⁵⁹Co(³⁷Cl, X), ⁷⁶Ge(³⁷Cl, X), ⁵⁸Ni(⁴⁰Ca, X), ⁸⁹Y(³²S, X), ²⁰⁸Pb(¹⁶O, X), ⁹²Zr(³⁵Cl, X), E(cm) < 110 MeV; calculated fusion σ. Comparison with available data.

doi: 10.1088/0256-307X/30/4/042502
Citations: PlumX Metrics

2012GH01      Eur.Phys.J. A 48, 21 (2012)

O.N.Ghodsi, R.Gharaei

The systematic study of the influence of neutron excess on the fusion cross-sections using different proximity-type potentials

COMPILATION ^28,29,30Si(¹²C, X), (¹⁶O, X), E not given;²⁸Si(¹⁸O, X), (²⁸Si, X), E not given; ³⁰Si(¹⁶O, X), (²⁸Si, X), (³⁰Si, X), E not given;^40,44,48Ca(⁴⁰Ca, X), E not given;⁴⁸Ca(⁴⁸Ca, X), E not given; ⁵⁸Ni(²⁸Si, X), (³⁰Si, X), (³²S, X), (³⁴S, X), (³⁶S, X), (⁴⁰Ar, X), (⁴⁰Ca, X), (⁴⁸Ti, X), (⁵⁸Ni, X), E not given;⁶⁰Ni(⁴⁸Ti, X), (⁵⁰Ti, X), E not given;⁶²Ni(²⁸Si, X), (³⁰Si, X), (⁴⁰Ar, X), (⁴⁰Ca, X), E not given;⁶⁴Ni(²⁸Si, X), (³⁰Si, X), (³²S, X), (³⁴S, X), (³⁶S, X), (⁴⁰Ar, X), (⁴⁶Ti, X), (⁴⁸Ti, X), (⁵⁸Ni, X), (⁶⁴Ni, X), E not given; compiled, analyzed data on σ and fusion barriers; calculated σ, fusion barriers using different proximity potentials.

doi: 10.1140/epja/i2012-12021-x
Citations: PlumX Metrics

2012GH02      Int.J.Mod.Phys. E21, 1250011 (2012)

O.N.Ghodsi, F.Lari

Fusion cross-sections for ³⁵Cl+⁹²Zr reaction calculated in proximity and double-folding models

NUCLEAR REACTIONS ⁹²Zr(³⁵Cl, X), E(cm)<100 MeV; calculated barrier height and distribution, total fusion σ. Comparison with double-folding and proximity models.

doi: 10.1142/S0218301312500115
Citations: PlumX Metrics

2012GH06      Phys.Rev. C 85, 064620 (2012)

O.N.Ghodsi, R.Gharaei

Temperature dependence of the repulsive core potential in heavy-ion fusion reactions

NUCLEAR REACTIONS ⁴⁰Ca(²⁸Si, X), E(cm)=175.2-265.8 MeV; ⁴⁸Ti(³⁵Cl, X), E(cm)=57.5-92.2 MeV; ⁷⁴Ge(⁴⁰Ar, X), E(cm)=108.4-147.3 MeV; calculated fusion cross sections, total interaction potentials, repulsive core strengths, temperature-dependent potentials. Equation of state of hot nuclear matter based on density- dependent Seyler-Blanchard formalism. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.064620
Citations: PlumX Metrics

2012GH08      Phys.Rev. C 86, 024615 (2012)

O.N.Ghodsi, R.Gharaei, F.Lari

Systematic study of the isotopic dependence of fusion dynamics for neutron- and proton-rich nuclei using a proximity formalism

NUCLEAR REACTIONS ²²Si(¹⁰C, X), ^{22,24,26,28,29,30}Si(¹²C, X), (¹⁶O, X), ^20,22,24Mg, ²²Si(¹²O, X), ²⁴Mg, ²²Si(¹⁴O, X), ²⁴Mg, ²⁸Si(¹⁸O, X), ^24,26Mg(¹⁶O, X), ^30,32S(²⁰Mg, X), (²²Mg, X), ^32,34S(²⁴Mg, X), (²⁶Mg, X), ^22,24Si(²²Si, X), ^24,26Si(²⁴Si, X), ^26,28Si(²⁶Si, X), ^28,30Si(²⁸Si, X), ³⁰Si(³⁰Si, X), ^52,54,56Ni(²⁶Si, X), ^{52,54,58,62,64}Ni(²⁸Si, X), ^58,62,64Ni(³⁰Si, X), ^34,40Ca(³⁴Ca, X), ^36,40Ca(³⁶Ca, X), ^38,40Ca, ^38,40,42,44Ti(³⁸Ca, X), ⁴⁰Ca, ^{38,40,42,46,48,50}Ti(⁴⁰Ca, X), (⁴⁴Ca, X), ^40,48Ca(⁴⁸Ca, X), ^52,56Ni(²⁶S, X), (²⁸S, X), (³⁰S, X), ^58,64Ni(³²S, X), (³⁴S, X), (³⁶S, X), ^52,54,56Ni(³⁴Ar, X), ^52,54Ni(³⁶Ar, X), ^58,60,62,64Ni(⁴⁰Ar, X), ^50,52,54,56Ni(³⁶Ca, X), ^52,54,56Ni(³⁸Ca, X), ^52,54,58,62Ni(⁴⁰Ca, X), ^48,50,52,56Ni(⁴⁰Ti, X), ^52,56Ni(⁴²Ti, X), ^58,60,64Ni(⁴⁸Ti, X), ⁶⁴Ni(⁴⁶Ti, X), ⁶⁰Ni(⁵⁰Ti, X), ⁴⁸Ni(⁴⁸Ni, X), ⁵⁰Ni(⁵⁰Ni, X), (⁵²Ni, X), ^50,54,56Ni(⁵⁴Ni, X), ^50,52,54Ni(⁵⁶Ni, X), ^58,64Ni(⁵⁸Ni, X), ⁶⁴Ni(⁶⁴Ni, X), E(cm)=55-85 MeV; calculated fusion σ, barrier positions, barrier heights based on the AW 95, Bass 80, Denisov DP, and Prox. 2010 potentials. Proximity formalism. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.024615
Citations: PlumX Metrics

2012ZA02      Phys.Rev. C 85, 034601 (2012)

V.Zanganeh, N.Wang, O.N.Ghodsi

Dynamical nucleus-nucleus potential and incompressibility of nuclear matter

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ca, X), E(cm)=179, 200, 205 MeV; calculated time evolution of density distribution, dynamical nucleus-nucleus potential, nuclear potential. ²⁰⁸Pb(¹⁶O, X), E(cm)=70-110 MeV; calculated fusion excitation function, dynamical nucleus-nucleus potential. ¹⁹⁷Au(¹⁹⁷Au, X), ⁴⁰Ca(⁴⁰Ca, X), E=35 MeV/nucleon; calculated fragment charge distribution. Improved quantum molecular-dynamics (ImQMD) model using several interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.034601
Citations: PlumX Metrics

2011GH06      Phys.Rev. C 84, 024612 (2011)

O.N.Ghodsi, R.Gharaei

Equation of state of hot polarized nuclear matter and heavy-ion fusion reactions

NUCLEAR REACTIONS ⁴⁰Ca(⁴⁰Ar, X), E(cm)=80-140 MeV; calculated density distribution overlaps, total potentials, fusion cross sections; deduced incompressibility effects of nuclear matter for the heavy-ion fusion reactions using equation of state of hot polarized nuclear matter. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.024612
Citations: PlumX Metrics

2010GH01      Acta Phys.Pol. B41, 695 (2010)

O.N.Ghodsi, M.Salehi

The Influence of ³⁵Cl Deformation on the Fusion Reaction with ⁹²Zr

NUCLEAR REACTIONS ⁹²Zr(³⁵Cl, X), E=82-98 MeV/nucleon; calculated interacting potential, heavy-ion fusion barrier, σ. Comparison with experimental data.

2010GH04      Nucl.Phys. A846, 40 (2010)

O.N.Ghodsi, V.Zanganeh

The effect of the nuclear state equation on the surface diffuseness parameter of the Woods-Saxon potential in the heavy ion fusion reactions

NUCLEAR REACTIONS ⁹²Zr(¹²C, X), E(cm)=28-41 MeV; ⁹²Zr(¹⁶O, X), E(cm)=37-70 MeV; ⁹²Zr(²⁸Si, X), E(cm)=65-88 MeV; ⁹²Zr(³⁵Cl, X), E(cm)=75-98 MeV; calculated complete fusion σ, intranuclear potential and barrier distribution.

doi: 10.1016/j.nuclphysa.2010.06.005
Citations: PlumX Metrics

2009GH03      Phys.Rev. C 79, 044604 (2009)

O.N.Ghodsi, V.Zanganeh

Calculation of the total potential between two deformed heavy ion nuclei using the Monte Carlo method and M3Y nucleon-nucleon forces

NUCLEAR REACTIONS ⁴⁶Ti(⁴⁶Ti, X), E not given; ²³⁸U(⁴⁸Ca, X), E not given; ⁷⁰Ge(²⁷Al, X), E not given; calculated height and location of fusion barriers, densities of participating nuclei using Monte Carlo simulation and double- folding model calculations.

doi: 10.1103/PhysRevC.79.044604
Citations: PlumX Metrics

2009GH07      Int.J.Mod.Phys. E18, 1751 (2009)

O.N.Ghodsi, M.Mahmoodi, J.Ariai

The effect of surface nucleon density on the total potential of di-nuclear systems

NUCLEAR REACTIONS ¹⁴⁴Nd, ¹⁴⁴Sm, ²⁰⁹Bi(¹⁶O, X), E(cm)=52-94 MeV; calculated neutron and proton densities, fusion barrier height; deduced dependence of fusion barrier on the ratio of the density of neutrons to that of the protons.

doi: 10.1142/S0218301309013816
Citations: PlumX Metrics

2007GH05      Phys.Rev. C 75, 034605 (2007)

O.N.Ghodsi, M.Mahmoodi, J.Ariai

Calculation of complete fusion cross sections of heavy ion reactions using the Monte Carlo method

NUCLEAR REACTIONS ⁹²Zr(¹²C, X), (¹⁶O, X), (²⁸Si, X), ⁴⁸Ca(⁴⁰Ca, X), (⁴⁸Ca, X), ²⁰⁸Pb(¹⁶O, X), E not given; calculated fusion barrier energies, nucleus-nucleus potential. ⁴⁸Ca(⁴⁸Ca, X), E(cm)=48-60 MeV; calculated fusion σ. Comparison with data.

doi: 10.1103/PhysRevC.75.034605
Citations: PlumX Metrics

2007GH11      Eur.Phys.J. A 33, 65 (2007)

O.N.Ghodsi, J.Ariai

Calculation of the Coulomb potential between spherical-deformed and deformed-deformed nuclei using the Monte Carlo method

NUCLEAR STRUCTURE ¹⁶O, ²⁷Al, ⁷⁰Ge, ²³⁸U; calculated deformations parameters using HFB model.

NUCLEAR REACTIONS ²³⁸U(¹⁶O, X), E not given; ⁷⁰Ge(²⁷Al, X), E not given; calculated coulomb potentials using Monte Carlo simulations.

doi: 10.1140/epja/i2007-10412-8
Citations: PlumX Metrics