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NSR database version of May 22, 2024.

Search: Author = K.Vo-Phuoc

Found 16 matches.

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2023JE01      Phys.Lett. B 837, 137641 (2023)

D.Y.Jeung, D.J.Hinde, M.Dasgupta, C.Simenel, E.C.Simpson, K.J.Cook, H.M.Albers, J.Buete, I.P.Carter, Ch.E.Dullmann, J.Khuyagbaatar, B.Kindler, N.Lobanov, B.Lommel, C.Mokry, E.Prasad, J.Runke, C.Sengupta, J.F.Smith, P.Thorle-Pospiech, N.Trautmann, K.Vo-Phuoc, J.Walshe, E.Williams, A.Yakushev

Sequential fission and the influence of 208Pb closed shells on the dynamics of superheavy element synthesis reactions

NUCLEAR REACTIONS 238U, 244Pu, 248Cm, 249Cf(50Ti, F), E ∼ 230 MeV; measured fission fragments. 208Pb; deduced σ, binary quasifission mass spectra, sequential fission survival probabilities. The ANU Heavy Ion Accelerator Facility.

doi: 10.1016/j.physletb.2022.137641
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2023TA12      Phys.Rev. C 107, 054601 (2023)

T.Tanaka, D.J.Hinde, M.Dasgupta, E.Williams, K.Vo-Phuoc, C.Simenel, E.C.Simpson, D.Y.Jeung, I.P.Carter, K.J.Cook, N.R.Lobanov, D.H.Luong, C.Palshetkar, D.C.Rafferty, K.Ramachandran

Competition between fusion and quasifission in the angular momentum dependent dynamics of heavy element synthesis reactions

NUCLEAR REACTIONS 196Pt(54Cr, X), E(cm)=209.5, 215.7, 219.0, 223.8 MeV;198Pt(52Cr, X), E(cm)=213.4, 218.1, 222.9, 226.7 MeV; measured reaction products; deduced capture σ(E), fission and scattering σ(θ), dependence of capture σ on the angular momentum, fragments angular momentum distribution, correlated distributions of mass and angle (MADs) of the fragments, fragments total kinetic energies, ratio of symmetric component to total fission component (quasifission and fusion-fission). ANU CUBE detector system consisting of two large-area position-sensitive MWPCs at 14UD tandem electrostatic accelerator of the Australian National University Heavy Ion Accelerator Facility.

doi: 10.1103/PhysRevC.107.054601
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2021BA41      Phys.Lett. B 820, 136601 (2021)

K.Banerjee, D.J.Hinde, M.Dasgupta, J.Sadhukhan, E.C.Simpson, D.Y.Jeung, C.Simenel, B.M.A.Swinton-Bland, E.Williams, L.T.Bezzina, I.P.Carter, K.J.Cook, H.M.Albers, Ch.E.Dullmann, J.Khuyagbaatar, B.Kindler, B.Lommel, C.Mokry, E.Prasad, J.Runke, N.Schunck, C.Sengupta, J.F.Smith, P.Thorle-Pospiech, N.Trautmann, K.Vo-Phuoc, J.Walshe, A.Yakushev

Sensitive search for near-symmetric and super-asymmetric fusion-fission of the superheavy element Flerovium (Z=114)

NUCLEAR REACTIONS 208Pb, 244Pu(48Ca, X), 232Th(54Cr, X)Fl, E not given; analyzed available data; deduced masses, σ(θ). Comparison with microscopic calculations of Helmholtz free energy surfaces (FES).

doi: 10.1016/j.physletb.2021.136601
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2021TA31      Phys.Rev.Lett. 127, 222501 (2021)

T.Tanaka, D.J.Hinde, M.Dasgupta, E.Williams, K.Vo-Phuoc, C.Simenel, E.C.Simpson, D.Y.Jeung, I.P.Carter, K.J.Cook, N.R.Lobanov, D.H.Luong, C.Palshetkar, D.C.Rafferty, K.Ramachandran

Mass Equilibration and Fluctuations in the Angular Momentum Dependent Dynamics of Heavy Element Synthesis Reactions

NUCLEAR REACTIONS 198Pt(52Cr, X)250No, E=219 MeV; 196Pt(54Cr, X)250No, E=222.9 MeV; measured reaction products; deduced correlated distributions of mass and angle is called a mass-angle distribution (MAD), scattering σ. TDHF calculations. The Heavy Ion Accelerator Facility of the Australian National University.

doi: 10.1103/PhysRevLett.127.222501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1021.


2020PR14      Phys.Lett. B 811, 135941 (2020)

E.Prasad, D.J.Hinde, M.Dasgupta, D.Y.Jeung, A.C.Berriman, B.M.A.Swinton-Bland, C.Simenel, E.C.Simpson, R.Bernard, E.Williams, K.J.Cook, D.C.Rafferty, C.Sengupta, J.F.Smith, K.Vo-Phuoc, J.Walshe

Systematics of the mass-asymmetric fission of excited nuclei from 176Os to 206Pb

NUCLEAR REACTIONS 176Os, 176,180Pt, 192,198Hg, 206Pb(p, F), (12C, F), (32S, F), (40Ca, F), (48Ca, F), E not given; analyzed available data; deduced mass-asymmetric fission systematics, total kinetic energy distributions, fission mass-ratio distributions. Comparison with GEF calculations.

doi: 10.1016/j.physletb.2020.135941
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2020SW02      Phys.Rev. C 102, 054611 (2020)

B.M.A.Swinton-Bland, M.A.Stoyer, A.C.Berriman, D.J.Hinde, C.Simenel, J.Buete, T.Tanaka, K.Banerjee, L.T.Bezzina, I.P.Carter, K.J.Cook, M.Dasgupta, D.Y.Jeung, C.Sengupta, E.C.Simpson, K.Vo-Phuoc

Mass-asymmetric fission of 205, 207, 209Bi at energies close to the fission barrier using proton bombardment of 204, 206, 208Pb

NUCLEAR REACTIONS 204Pb(p, X)205Bi*, E=18.99, 20.99, 22.98, 24.99, 28.00 MeV; 206Pb(p, X)207Bi*, E=20.99, 22.98, 24.98, 28.00 MeV; 208Pb(p, X)209Bi*, E=24.98, 28.00 MeV; measured fission fragments using the CUBE fission spectrometer, with two large area position sensitive multiwire proportional counters (MWPCs), angular distributions at the 14UD tandem accelerator at Australian National University; deduced fission yields, fission mass ratios, fission mass distributions, mass-angle distribution (MAD) as a function of mass ratio, light and heavy fragment peak values. Comparison to previous experimental data, and theoretical calculations using GEF2019/1.3.

doi: 10.1103/PhysRevC.102.054611
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2019BA26      Phys.Rev.Lett. 122, 232503 (2019)

K.Banerjee, D.J.Hinde, M.Dasgupta, E.C.Simpson, D.Y.Jeung, C.Simenel, B.M.A.Swinton-Bland, E.Williams, I.P.Carter, K.J.Cook, H.M.David, C.E.Dullmann, J.Khuyagbaatar, B.Kindler, B.Lommel, E.Prasad, C.Sengupta, J.F.Smith, K.Vo-Phuoc, J.Walshe, A.Yakushev

Mechanisms Suppressing Superheavy Element Yields in Cold Fusion Reactions

NUCLEAR REACTIONS 208Pb(50Ti, X), (48Ca, X), (54Cr, X), E not given; analyzed available data; deduced projectile impact on drastic fall in the symmetric fission yield, which is reflected in the measured mass-angle distribution by the presence of competing fast nonequilibrium deep inelastic and quasifission processes.

doi: 10.1103/PhysRevLett.122.232503
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2018CO01      Phys.Rev. C 97, 021601 (2018)

K.J.Cook, I.P.Carter, E.C.Simpson, M.Dasgupta, D.J.Hinde, L.T.Bezzina, S.Kalkal, C.Sengupta, C.Simenel, B.M.A.Swinton-Bland, K.Vo-Phuoc, E.Williams

Interplay of charge clustering and weak binding in reactions of 8Li

NUCLEAR REACTIONS 209Bi(8Li, X), E=38.2-40.9 MeV, [secondary 8Li from primary reaction 9Be(7Li, 8Li)8Be, E=45 MeV using SOLEROO separator at Australian National University]; measured proton, deuteron, triton, α, 7,8Li spectra using two ΔE-E telescopes, energy and angle, αα-, αt-, αd-, and αp-coin; deduced total α production σ, energy averages σ(θ) for singles and coincidence events, reaction Q values, relative energy distribution, 8Li breakup into charged clusters; calculated time of breakup for αt-pairs using classical dynamical model.

doi: 10.1103/PhysRevC.97.021601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0896.


2018KH05      Phys.Rev. C 97, 064618 (2018)

J.Khuyagbaatar, H.M.David, D.J.Hinde, I.P.Carter, K.J.Cook, M.Dasgupta, Ch.E.Dullmann, D.Y.Jeung, B.Kindler, B.Lommel, D.H.Luong, E.Prasad, D.C.Rafferty, C.Sengupta, C.Simenel, E.C.Simpson, J.F.Smith, K.Vo-Phuoc, J.Walshe, A.Wakhle, E.Williams, A.Yakushev

Nuclear structure dependence of fusion hindrance in heavy element synthesis

NUCLEAR REACTIONS 204,208Pb(48Ti, X), E=240.0, 245.0, 252.2, 259.0, 270.0, 280.0 MeV; 206,208Pb(50Ti, X), E=236.0, 240.0, 252.0, 258.0, 264.0, 270.0, 280.2 MeV; measured reaction products, mass ratio and angular distributions (MAD) of fragments, double differential σ(θ, MR), and widths using CUBE detector array at the Heavy Ion Accelerator Facility of Australian National University. 206Pb(36S, X), (34S, X), (48Ti, X), (50Ti, X), E*=25-60 MeV; calculated mean-squared angular momenta, widths and MR distributions, and compared with experimental data. Discussed impact of nuclear structure on fusion-evaporation reactions.

doi: 10.1103/PhysRevC.97.064618
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2018WA06      Phys.Rev. C 97, 021602 (2018)

A.Wakhle, K.Hammerton, Z.Kohley, D.J.Morrissey, K.Stiefel, J.Yurkon, J.Walshe, K.J.Cook, M.Dasgupta, D.J.Hinde, D.J.Jeung, E.Prasad, D.C.Rafferty, C.Simenel, E.C.Simpson, K.Vo-Phuoc, J.King, W.Loveland, R.Yanez

Capture cross sections for the synthesis of new heavy nuclei using radioactive beams

NUCLEAR REACTIONS 181Ta(39K, X), E=180-210 MeV; 181Ta(46K, X), E=190-215 MeV; measured time of flight and relative position of fission fragments, capture-fission σ(E) from a binary event using 14UD Heavy-ion accelerator facility of Australian National University (ANU), and Coupled Cyclotron Facility (CCF) projectile fragmentation facility at NSCL-MSU, and the Coincident Fission Fragment Detector (CFFD) at the ReA3 facility at NSCL; deduced velocity vectors of the coincident fragments, masses and angular distributions of fission fragments. Comparison with several phenomenological models and microscopic time-dependent Hartree-Fock calculations. Discussed implications for the synthesis of heavy nuclei at radioactive beam facilities. 197Au(31Al, X), E(cm), 248Cm(26Mg, X), E(cm)=110-160 MeV; 248Cm(48Ca, X), E(cm)=195-230 MeV; 154Sm(31Al, X), E(cm)=125-190 MeV; 238U(48Ca, X), E(cm)=185-235 MeV; 238U(64Ni, X), E(cm)=260-300 MeV; compiled theoretical and experimental values of capture fission σ(E). Comparison with several theoretical results.

doi: 10.1103/PhysRevC.97.021602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2285.


2017MO40      Phys.Rev.Lett. 119, 222502 (2017)

M.Morjean, D.J.Hinde, C.Simenel, D.Y.Jeung, M.Airiau, K.J.Cook, M.Dasgupta, A.Drouart, D.Jacquet, S.Kalkal, C.S.Palshetkar, E.Prasad, D.Rafferty, E.C.Simpson, L.Tassan-Got, K.Vo-Phuoc, E.Williams

Evidence for the Role of Proton Shell Closure in Quasifission Reactions from X-Ray Fluorescence of Mass-Identified Fragments

NUCLEAR REACTIONS 238U(48Ti, X), E=276 MeV; measured reaction products, characteristic fluorescence x rays; deduced photon spectrum, fragment yields.

doi: 10.1103/PhysRevLett.119.222502
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2016KA16      Phys.Rev. C 93, 044605 (2016)

S.Kalkal, E.C.Simpson, D.H.Luong, K.J.Cook, M.Dasgupta, D.J.Hinde, I.P.Carter, D.Y.Jeung, G.Mohanto, C.S.Palshetkar, E.Prasad, D.C.Rafferty, C.Simenel, K.Vo-Phuoc, E.Williams, L.R.Gasques, P.R.S.Gomes, R.Linares

Asymptotic and near-target direct breakup of 6Li and 7Li

NUCLEAR REACTIONS 58Ni(6Li, X), (7Li, X), E=13.07 MeV; 64Zn(6Li, X), E=13.55 MeV; 64Zn(7Li, X), E=13.60 MeV; measured energy, position, and time of flight (TOF) of the charged breakup fragments in coincidence mode using BALiN array, spectra of α-d and α-t breakup pairs at ANU Heavy Ion accelerator facility; deduced prompt and asymptotic breakups, probability of populating the excitation energies above the breakup threshold for 3+ resonant states of 6Li, excitation energy dependent mean-lives, β versus θ12 distributions, asymptotic, near-target, and total direct breakup differential σ(θ). Simulations using a modified version of Monte Carlo classical trajectory model code PLATYPUS.

doi: 10.1103/PhysRevC.93.044605
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2016LI42      Phys.Rev. C 94, 024616 (2016)

J.F.Liang, J.M.Allmond, C.J.Gross, P.E.Mueller, D.Shapira, R.L.Varner, M.Dasgupta, D.J.Hinde, C.Simenel, E.Williams, K.Vo-Phuoc, M.L.Brown, I.P.Carter, M.Evers, D.H.Luong, T.Ebadi, A.Wakhle

Examining the role of transfer coupling in sub-barrier fusion of 46, 50Ti + 124Sn

NUCLEAR REACTIONS 46,50Ti(124Sn, X), E(cm)=120-154 MeV; 124Sn(46Ti, X), (50Ti, X), E(cm)=116-140 MeV; measured evaporation residues (ERs), fusion σ(E) for the 124Sn beam at HRIBF-ORNL facility, and 46,50Ti beams at ANU 14UD tandem accelerator facility. Comparison of experimental reduced σ(E) values and reduced barrier distributions for 40,48Ca+96Zr, 40,48Ca+124Sn, 40,48Ca+132Sn, 46,50Ti+124Sn, 58,64Ni+124Sn 58,64Ni+132Sn and 64Ni+118Sn reactions. Comparison with coupled-channel calculations using CCFULL code.

doi: 10.1103/PhysRevC.94.024616
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2240.


2016PR03      Phys.Rev. C 93, 024607 (2016)

E.Prasad, A.Wakhle, D.J.Hinde, E.Williams, M.Dasgupta, M.Evers, D.H.Luong, G.Mohanto, C.Simenel, K.Vo-Phuoc

Exploring quasifission characteristics for 34S + 232Th forming 266Sg

NUCLEAR REACTIONS 232Th(32S, X)266Sg*, E=164.7, 167.2, 169.7, 172.7, 181.6, 191.2 MeV; measured reaction products, fission events, unsymmetrized distribution of fragments, average mass ratio of heavy asymmetric fragments to symmetric fragments as function of E/VB, angular momentum-distributions, fragment-fragment mass angle distribution (MAD) plots, mass drift as function of time. Monte Carlo simulations for mass angle distribution (MAD) plots.

doi: 10.1103/PhysRevC.93.024607
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2016RA26      Phys.Rev. C 94, 024607 (2016)

D.C.Rafferty, M.Dasgupta, D.J.Hinde, C.Simenel, E.C.Simpson, E.Williams, I.P.Carter, K.J.Cook, D.H.Luong, S.D.McNeil, K.Ramachandran, K.Vo-Phuoc, A.Wakhle

Multinucleon transfer in 16, 18O, 19F + 208Pb reactions at energies near the fusion barrier

NUCLEAR REACTIONS 208Pb(16O, X)12C/13C/14C/13N/14N/15N/14O/15O/17O/18O/17F, E(cm)=73.0, 72.5, 70.9, 69.3; 208Pb(18O, X)11B/12C/13C/14C/15C/16C/15N/16N/17N/16O/17O/19O/19F, E(cm)=73.6, 71.6, 71.1, 70.3, 69.6, 68.0 MeV; 208Pb(19F, X)12C/13C/14C/15N/16N/17N/16O/17O/18O/18F/20F/21F/20Ne/21Ne/22Ne, E(cm)=83.3, 81.3, 80.6, 78.9, 77.2, 75.5, 74.1 MeV; measured projectile-like fragments (PLFs) produced in +1p, +2n, +1n, -1n, -2n, -1p, -1p1n, -1p2n, -2p, -2p1n, -2p2n, -2p3n, -2p4n, -3p4n, +1p2n, +1p1n, +2n, -3p2n and -3p3n transfer channels, ΔE-E spectra, probabilities for various transfer processes, ratios of quasielastic and Rutherford scattering cross sections, distribution of excitation energies at ANU Heavy Ion accelerator facility.

doi: 10.1103/PhysRevC.94.024607
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2016VO07      Phys.Rev. C 94, 024612 (2016)

K.Vo-Phuoc, C.Simenel, E.C.Simpson

Dynamical effects in fusion with exotic nuclei

NUCLEAR STRUCTURE 40,42,44,46,48,50,52,54Ca; calculated HF proton and neutron root mean square radii for two parametrizations of the Skyrme functional, level energies and octupole deformations of first 3- states, time evolution of the octupole moment for 40Ca. Comparison with experimental values.

NUCLEAR REACTIONS 116Sn(40Ca, X), (42Ca, X), (44Ca, X), (46Ca, X), (48Ca, X), (50Ca, X), (52Ca, X), (54Ca, X), E near TDHF fusion threshold; calculated frozen HF barriers and bare potential barrier energies from frozen HF method, TDHF fusion thresholds, and coupled-channel methods. Vibrational couplings treated in coupled-channel framework and time-dependent Hartree-Fock (TDHF) calculations for near-barrier nucleon transfer, using two parametrizations of the Skyrme functional.

doi: 10.1103/PhysRevC.94.024612
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