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NSR database version of May 22, 2024.

Search: Author = D.Y.Jeung

Found 24 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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2023SW01      Phys.Lett. B 837, 137655 (2023)

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

Multi-modal mass-asymmetric fission of 178Pt from simultaneous mass-kinetic energy fitting

NUCLEAR REACTIONS 144Sm(34S, F), E=146 MeV; measured fission fragments. 178Pt; deduced mass-angle distribution (MAD), the total kinetic energy (TKE) of the fission fragments, three fission modes: one mass-symmetric and two mass-asymmetric. The 14UD tandem accelerator at the Australian National University Heavy Ion Accelerator Facility.

doi: 10.1016/j.physletb.2022.137655
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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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2022BE17      Phys.Rev. C 105, 064614 (2022)

A.C.Berriman, D.J.Hinde, D.Y.Jeung, M.Dasgupta, H.Haba, T.Tanaka, K.Banerjee, T.Banerjee, L.T.Bezzina, J.Buete, K.J.Cook, S.Parker-Steele, C.Sengupta, C.Simenel, E.C.Simpson, M.A.Stoyer, B.M.A.Swinton-Bland, E.Williams

Energy dependence of p + 232Th fission mass distributions: Mass-asymmetric standard I and standard II modes, and multichance fission

NUCLEAR REACTIONS 232Th(p, F), E=6.2-28MeV; measured reaction products, fission fragments; deduced fission fragment yields mass distribution. Studied the influence of the multichance fission on the shape of the mass distribution. Comparison to other experimental data and GEF calculations. CUBE spectrometer consisting of large MWPCs at 14UD tandem electrostatic accelerator of the Australian National University Heavy Ion Accelerator Facility.

RADIOACTIVITY 248Cm(SF); measured fission fragments; deduced fission fragment yields mass distribution.

doi: 10.1103/PhysRevC.105.064614
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2022HI12      Phys.Rev. C 106, 064614 (2022)

D.J.Hinde, R.du Rietz, D.Y.Jeung, K.J.Cook, M.Dasgupta, E.C.Simpson, R.G.Thomas, M.Evers, C.J.Lin, D.H.Luong, L.R.Gasques, R.Rafiei, A.Wakhle, C.Simenel

Experimental investigation of the role of shell structure in quasifission mass distributions

NUCLEAR REACTIONS 154Sm, 162Dy, 170Er, 174Yb, 186W, 192Os, 196Pt, 200Hg(48Ti, F), E=198-245 MeV; measured reaction products; deduced fission fragment mass-angle distributions, ratio of the fusion-fission yield to the total fission yield, mass-ratio spectra, compound nuclei forming probability. Pointed that with increasing target (or equivalently compound nucleus)atomic number, a rapid transition occurs from dominant fusion-fission to dominantly quasifission. Comparison to GEF calculations. Position-sensitive multiwire proportional counters (MWPCs) at 14UD tandem electrostatic accelerator (Australian National University).

doi: 10.1103/PhysRevC.106.064614
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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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2021CO11      Phys.Rev. C 104, 024620 (2021)

K.J.Cook, A.Chevis, T.K.Eriksen, E.C.Simpson, T.Kibedi, L.T.Bezzina, A.C.Berriman, J.Buete, I.P.Carter, M.Dasgupta, D.J.Hinde, D.Y.Jeung, P.McGlynn, S.Parker-Steele, B.M.A.Swinton-Bland, T.Tanaka, W.Wojtaczka

High-precision proton angular distribution measurements of 12C (p, p') for the decay branching ratio of the Hoyle state

NUCLEAR REACTIONS 12C(p, p'), E=10.20-10.70 MeV from 14UD electrostatic accelerator at HIAF-ANU facility; measured E(p), I(p), p(θ), differential σ(θ, E) for the first 2+ and second 0+ (Hoyle) state using the Breakup Array for Light Nuclei (BALiN) array of wedge shaped segmented double-sided silicon detectors (DSSDs), configured as two ΔE-E telescopes; deduced total σ(E) for the population of the first 2+ and second 0+ (Hoyle) state in 12C, thick target yields. Discussed radiative width of the Hoyle state, and possible application of measured cross sections for investigating cluster structures in 13N. Relevance to rate of carbon production in stars via radiative decay of the Hoyle state.

doi: 10.1103/PhysRevC.104.024620
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1006.


2021JE02      Phys.Rev. C 103, 034603 (2021)

D.Y.Jeung, D.J.Hinde, E.Williams, M.Dasgupta, E.C.Simpson, R.du Rietz, D.H.Luong, R.Rafiei, M.Evers, I.P.Carter, K.Ramachandran, C.Palshetkar, D.C.Rafferty, C.Simenel, A.Wakhle

Energy dissipation and suppression of capture cross sections in heavy ion reactions

NUCLEAR REACTIONS 232Th(18O, X), (30Si, X), (34S, X), (40Ca, X), E(cm)=145-203 MeV; measured binary reaction products, including pairs of fission fragments, scattered beam particles and recoils in coincidence, and σ(θ) using the CUBE spectrometer at the 14UD tandem accelerator of Australian National University Heavy Ion Accelerator Facility; deduced distributions of the source velocity components of the fissioning nuclei, mass angle distributions (MADs), CC capture cross sections, full momentum transfer (FMT) fission cross sections, ratio of sequential fission to capture-fission, capture barriers. Comparison with coupled-channel (CC) calculations using CCFULL code; discussed sequential and total fission cross sections.

doi: 10.1103/PhysRevC.103.034603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1001.


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.


2020BA41      Phys.Rev. C 102, 024603 (2020)

T.Banerjee, D.J.Hinde, D.Y.Jeung, K.Banerjee, M.Dasgupta, A.C.Berriman, L.T.Bezzina, H.M.Albers, Ch.E.Dullmann, J.Khuyagbaatar, B.Kindler, B.Lommel, E.C.Simpson, C.Sengupta, B.M.A.Swinton-Bland, T.Tanaka, A.Yakushev, K.Eberhardt, C.Mokry, J.Runke, P.Thorle-Pospiech, N.Trautmann

Systematic evidence for quasifission in 9Be-, 12C-, and 16O-induced reactions forming 258, 260No

NUCLEAR REACTIONS 238U(9Be, F)247Cm*, E=45-60 MeV; 244U(9Be, F)253Cf*, E=45-60 MeV; 248Cm(9Be, F)257Fm*, E=45-60 MeV; 249Cf(9Be, F)258No*, E=45-60 MeV; 248Cm(12C, F)260No*, E=60.80-89.18 MeV; 244Pu(16O, F)260No*, E=84.90-116.27 MeV; measured fission fragments, fission fragment mass and angular distributions using the CUBE spectrometer consisting of three multiwire proportional counters (MWPCs) at the Heavy Ion Accelerator Facility (HIAF) of the Australian National University; deduced reconstructed fission source velocity distributions, full momentum transfer (FMT) fission differential σ(θ, E), total and FMT fission σ(E), FMT mass-angle distributions (MADs), FMT fission angular anisotropies; analyzed mass-ratio (MR) spectra. 254,256,258,260,262No; deduced spontaneous fission mass-ratio distributions. Comparison with predictions from the transition state model (TSM) calculations for fusion fission reactions.

doi: 10.1103/PhysRevC.102.024603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0983.


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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2019HA17      Phys.Rev. C 99, 054621 (2019)

K.Hammerton, D.J.Morrissey, Z.Kohley, D.J.Hinde, M.Dasgupta, A.Wakhle, E.Williams, I.P.Carter, K.J.Cook, J.Greene, D.Y.Jeung, D.H.Luong, S.D.McNeil, C.Palshetkar, D.C.Rafferty, C.Simenel, K.Stiefel

Entrance channel effects on the quasifission reaction channel in Cr + W systems

NUCLEAR REACTIONS 180W(50Cr, X)230Cf*, E(cm)=210.0 MeV; 180W(52Cr, X)232Cf*, E(cm)=214.1; 180W(54Cr, X)234Cf*, E(cm)=215.4 MeV; 182W(54Cr, X)236Cf*, E(cm)=213.8 MeV; 184W(52Cr, X)236Cf*, E(cm)=209.7 MeV; 184W(54Cr, X)238Cf*, E(cm)=211.8 MeV; 186W(50Cr, X)236Cf*, E(cm)=201.3 MeV; 186W(54Cr, X)240Cf*, E(cm)=209.5 MeV; measured fission fragments, mass-angle distributions, mass distribution of fragments using the CUBE detector for charged particle detection at the Heavy Ion Accelerator Facility of the Australian National University; deduced curvature parameter, entrance channel effects, and impact of target deformation effects on the quasifission process.

doi: 10.1103/PhysRevC.99.054621
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2018HI02      Phys.Rev. C 97, 024616 (2018)

D.J.Hinde, D.Y.Jeung, E.Prasad, A.Wakhle, M.Dasgupta, M.Evers, D.H.Luong, R.du Rietz, C.Simenel, E.C.Simpson, E.Williams

Sub-barrier quasifission in heavy element formation reactions with deformed actinide target nuclei

NUCLEAR REACTIONS 232Th(34S, X)266Sg*, E(cm)=143.6, 145.7, 147.9, 150.5, 158.4, 166.7 MeV; 238U(28Si, X)266Sg*, E(cm)=126.9, 129.5, 137.4, 145.7, 151.0, 155.5 MeV; 232Th(30Si, X)262Rf*, E(cm)=128.2, 131.8, 135.9, 139.5, 143.1, 146.7 MeV; 238U(24Mg, X)262Rf*, E(cm)=110.0, 113.2, 116.4, 120.0, 126.3, 129.5 MeV; measured reaction products, fission and quasifission mass and angle distributions (MADs); 232Th(19F, X), E=76.4, 78.3, 80.1, 82.0, 83.8, 85.7, 87.6, 89.4, 91.2, 93.1, 95.0, 96.8, 98.6, 100.5, 102.4, 107.0 MeV; 232Th(32S, X), (19F, X), (16O, X), (12C, X), (11B, X), E/VB=0.8-1.3; 238U(16O, X), (12C, X), (11B, X), E/VB=0.8-1.3; measured angular distribution of mass-symmetric fission events, σ(E) for full momentum transfer (FMT) fission for 19F+232Th reaction. Experiments used CUBE fission spectrometer at the Australian National University 14UD tandem accelerator facility to determine the probabilities of fast and slow quasifission in reactions with prolate deformed actinide nuclei. Relevance to formation of superheavy elements (SHEs) by fusion of two massive nuclei.

doi: 10.1103/PhysRevC.97.024616
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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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2018MO13      Phys.Rev. C 97, 054603 (2018)

G.Mohanto, D.J.Hinde, K.Banerjee, M.Dasgupta, D.Y.Jeung, C.Simenel, E.C.Simpson, A.Wakhle, E.Williams, I.P.Carter, K.J.Cook, D.H.Luong, C.S.Palshetkar, D.C.Rafferty

Interplay of spherical closed shells and N/Z asymmetry in quasifission dynamics

NUCLEAR REACTIONS 208Pb(50Cr, X)258Sg*,208Pb(52Cr, X)260Sg*,208Pb(54Cr, X)262Sg*,206Pb(52Cr, X)258Sg*,204Pb(54Cr, X), 258Sg*, E=257-292.7 MeV; measured fission fragments, two fission fragments in coincidence mode, and mass angle distributions (MADs) using CUBE spectrometer at the Australian National University 14 UD tandem accelerator facility; deduced mass-ratio distributions of fission fragments, symmetric-peaked fission to total fission ratio, symmetric fission as a function of entrance channel magicity, effect of entrance-channel spherical closed shells and N/Z asymmetry on quasifission dynamics. Relevance to synthesis of superheavy-elements.

doi: 10.1103/PhysRevC.97.054603
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2018PA48      Phys.Rev. C 98, 044603 (2018)

C.S.Palshetkar, D.J.Hinde, M.Dasgupta, E.Williams, K.Ramachandran, I.P.Carter, K.J.Cook, D.Y.Jeung, D.H.Luong, S.D.McNeil, D.C.Rafferty, A.Wakhle

Fission cross sections as a probe of fusion dynamics at high angular momentum

NUCLEAR REACTIONS 148Sm(16O, X)164Yb*, E(cm)=73.92, 82.04, 90.21, 99.24 MeV; 136Ba(28Si, X)164Yb*, E(cm)=108.22, 116.38, 119.07, 125.42 MeV; 124Sn(40Ca, X)164Yb*, E(cm)=126.00, 130.11, 139.19, 144.07 MeV; measured angular distributions and mass-angle distributions (MADs) of fission fragments using CUBE spectrometer at the 14UD tandem accelerator at the Australian National University; deduced fission σ(E) of excited compound nuclei with coupled channel analysis for angular momentum distributions. Comparison with previous experimental fusion and fission σ(E), and with statistical model calculations. Discussed fission cross-section as a sensitive probe of fusion dynamics at high angular momentum.

doi: 10.1103/PhysRevC.98.044603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0921.


2018WI01      Phys.Rev.Lett. 120, 022501 (2018)

E.Williams, K.Sekizawa, D.J.Hinde, C.Simenel, M.Dasgupta, I.P.Carter, K.J.Cook, D.Y.Jeung, S.D.McNeil, C.S.Palshetkar, D.C.Rafferty, K.Ramachandran, A.Wakhle

Exploring Zeptosecond Quantum Equilibration Dynamics: From Deep-Inelastic to Fusion-Fission Outcomes in 58Ni + 60Ni Reactions

NUCLEAR REACTIONS 58,60Ni(58Ni, X), E=158.4 MeV; measured reaction products; deduced σ, σ(θ, E). Comparison with theoretical predictions using time dependent Hartree-Fock and time dependent random phase approximation approaches, which, respectively, incorporate one-body energy dissipation and fluctuations.

doi: 10.1103/PhysRevLett.120.022501
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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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2017PR07      Phys.Rev. C 96, 034608 (2017)

E.Prasad, D.J.Hinde, E.Williams, M.Dasgupta, I.P.Carter, K.J.Cook, D.Y.Jeung, D.H.Luong, C.S.Palshetkar, D.C.Rafferty, K.Ramachandran, C.Simenel, A.Wakhle

Fusion and quasifission studies for the 40Ca + 186W, 192Os reactions

NUCLEAR REACTIONS 186W(40Ca, X)226Pu*, E=199.3, 204.3, 214.3, 225.4 MeV; 192Os(40Ca, X)232Cm*, E=199.3, 204.3, 214.3, 225.3, 239.8, 262.6 MeV; measured mass-angle distributions (MADs) of the fragments, differential σ(θ, E), total fusion σ(E) using the CUBE spectrometer at the Heavy Ion Accelerator Facility of the Australian National University; deduced fragment mass ratio σ(MR), potential parameters from Coupled-channels calculations, Coulomb barriers as a function of orientation angles, parameters of the sticking-time distribution and average sticking time for quasifission components. Comparison with theoretical calculations using classical phenomenological approach by GEneral description of Fission observables (GEF) model. Relevance to quasifission and fusion-fission processes in the production of superheavy elements (SHE).

doi: 10.1103/PhysRevC.96.034608
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0932.


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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2015HA12      Phys.Rev. C 91, 041602 (2015)

K.Hammerton, Z.Kohley, D.J.Hinde, M.Dasgupta, A.Wakhle, E.Williams, V.E.Oberacker, A.S.Umar, I.P.Carter, K.J.Cook, J.Greene, D.Y.Jeung, D.H.Luong, S.D.McNeil, C.S.Palshetkar, D.C.Rafferty, C.Simenel, K.Stiefel

Reduced quasifission competition in fusion reactions forming neutron-rich heavy elements

NUCLEAR REACTIONS 180W(50Cr, X), E(cm)=222.6 MeV; 180W(52Cr, X), E(cm)=221.2 MeV; 180W(54Cr, X), E(cm)=219.8 MeV; 186W(50Cr, X), E(cm)=221.0 MeV; 184W(52Cr, X), E(cm)=220.1 MeV; 182W(54Cr, X), E(cm)=221.0 MeV; 184W(54Cr, X), E(cm)=218.9 MeV; 186W(54Cr, X), E(cm)=218.3 MeV; measured spectra of neutron-rich fragments from fusion-fission and quasifission in coincidence mode, mass-angle distributions (MADs) using the ANU CUBE detector system at ANU's Heavy-Ion Accelerator Facility; deduced strong dependence on the N/Z of the compound system in quasifission system. Comparison with microscopic time-dependent Hartree-Fock calculations of the quasifission process.

doi: 10.1103/PhysRevC.91.041602
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2015PR07      Phys.Rev. C 91, 064605 (2015)

E.Prasad, D.J.Hinde, K.Ramachandran, E.Williams, M.Dasgupta, I.P.Carter, K.J.Cook, D.Y.Jeung, D.H.Luong, S.McNeil, C.S.Palshetkar, D.C.Rafferty, C.Simenel, A.Wakhle, J.Khuyagbaatar, Ch.E.Dullmann, B.Lommel, B.Kindler

Observation of mass-asymmetric fission of mercury nuclei in heavy ion fusion

NUCLEAR REACTIONS 142Nd(40Ca, X)182Hg*, E=167.7, 194.9, 199.9, 210.0, 221.1 MeV; 182W(13C, X)195Hg*, E=60.0, 63.0, 66.0 MeV; measured fission fragments mass rations and mass-angle distributions using the CUBE spectrometer at 14UD Pelletron facility of ANU-Canberra; deduced mass-asymmetric fission of 182Hg compound nucleus at E*=33.6 MeV, and mass-symmetric fission of 195Hg compound nucleus at all energies.Kinematic reconstruction method. Comparison with results from mass-asymmetric fission of 180Hg in beta-delayed fission process, and with theoretical predictions.

doi: 10.1103/PhysRevC.91.064605
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