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NSR database version of May 24, 2024.

Search: Author = R.du Rietz

Found 30 matches.

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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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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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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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2015KH03      Phys.Rev. C 91, 054608 (2015)

J.Khuyagbaatar, D.J.Hinde, I.P.Carter, M.Dasgupta, Ch.E.Dullmann, M.Evers, D.H.Luong, R.du Rietz, A.Wakhle, E.Williams, A.Yakushev

Experimental study of the quasifission, fusion-fission, and de-excitation of Cf compound nuclei

NUCLEAR REACTIONS 206Pb(36S, X)242Cf*, 208Pb(34S, X)242Cf*, 198Pt(44Ca, X)242Cf*, 208Pb(36S, X)244Cf*, 235U(12C, X)247Cf*, at E*=28-52 MeV; measured fission fragment spectra, (fragment)(fragment)-coin, mass and angle distributions of fission fragments at Heavy Ion Accelerator Facility of the Australian National University; deduced mean squared angular momenta, (σRMSgaus), mass distribution of fission fragments of 244Cf* and 242Cf* following electron capture decay of 244Es and 242Es; deduced fractions of the mass asymmetric fission components, survival probabilities, shell effects in slow quasifission mass distributions. Coupled-channel calculations using CCFULL computer code. Comparison with calculations using general fission model computer code GEF.

doi: 10.1103/PhysRevC.91.054608
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2014WA41      Phys.Rev.Lett. 113, 182502 (2014)

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

Interplay between Quantum Shells and Orientation in Quasifission

NUCLEAR REACTIONS 238U(40Ca, X), E=225.4 MeV; measured reaction products, fission fragments; deduced fragment yields, mass-angle distribution σ(θ). Comparison with microscopic quantum calculations.

doi: 10.1103/PhysRevLett.113.182502
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2013DU17      Phys.Rev. C 88, 054618 (2013)

R.du Rietz, E.Williams, D.J.Hinde, M.Dasgupta, M.Evers, C.J.Lin, D.H.Luong, C.Simenel, A.Wakhle

Mapping quasifission characteristics and timescales in heavy element formation reactions

NUCLEAR REACTIONS 186W(16O, X)202Pb*, E(cm)=102.1 MeV; 192Os(16O, X)208Po*, E(cm)=102.3 MeV; 178Hf(24Mg, X)202Po*, E(cm)=102.1 MeV; 168Er(34S, X)202Po*, E(cm)=128.4 MeV; 144Sm(48Ti, X)192Po*, E(cm)=164.2 MeV; 196Pt(16O, X)212Rn*, E(cm)=102.0 MeV; 208Pb(12C, X)220Ra*, E(cm)=59.9 MeV; 200Hg(16O, X)216Ra*, E(cm)=102.8 MeV; 178Hf(32S, X)210Ra*, E(cm)=138.3 MeV; 162Dy(48Ti, X)210Ra*, E(cm)=168.9 MeV; 208Pb(16O, X)224Th*, E(cm)=103.0 MeV; 186W(34S, X)220Th*, E(cm)=144.5 MeV; 170Er(48Ti, X)218Th*, E(cm)=174.8 MeV; 154Sm(64Ni, X)218Th*, E(cm)=200.6 MeV; 174Yb(48Ti, X)222U*, E(cm)=178.1 MeV; 194Pt(32S, X)226Pu*, E(cm)=144.4 MeV; 178Hf(48Ti, X)226Pu*, E(cm)=180.8 MeV; 208Pb(30Si, X)238Cm*, E(cm)=134.7 MeV; 202Hg(32S, X)234Cm*, E(cm)=149.6 MeV; 186W(48Ti, X)234Cm*, E(cm)=186.3 MeV; 170Er(64Ni, X)234Cm*, E(cm)=216.2 MeV; 238U(12C, X)250Cf*, E(cm)=66.3 MeV; 232Th(18O, X)250Cf*, E(cm)=84.9 MeV; 208Pb(32S, X)240Cf*, E(cm)=149.9 MeV; 198Pt(40Ca, X)238Cf*, E(cm)=188.7 MeV; 192Os(48Ti, X)240Cf*, E(cm)=195.0 MeV; 238U(16O, X)254Fm*, E(cm)=103.5 MeV; 196Pt(48Ti, X)244Fm*, E(cm)=193.3 MeV; 208Pb(40Ca, X)248No*, E(cm)=190.2 MeV; 200Hg(48Ti, X)248No*, E(cm)=197.5 MeV; 184W(64Ni, X)248No*, E(cm)=252.3 MeV; 238U(24Mg, X)262Rf*, E(cm)=129.3 MeV; 232Th(30Si, X)262Rf*, E(cm)=144.0 MeV; 208Pb(48Ti, X)256Rf*, E(cm)=210.6 MeV; 192Os(64Ni, X)256Rf*, E(cm)=239.2 MeV; 238U(28Si, X)266Sg*, E(cm)=150.7 MeV; 232Th(34S, X)266Sg*, E(cm)=166.7 MeV; 198Pt(64Ni, X)262Sg*, E(cm)=241.7 MeV; 232Th(40Ca, X)272Ds*, E(cm)=211.5 MeV; 208Pb(64Ni, X)272Ds*, E(cm)=259.5 MeV; 238U(40Ca, X)278Cn*, E(cm)=210.7 MeV; 238U(48Ti, X)286Fl*, E(cm)=214.6 MeV; measured reaction products using CUBE spectrometer of multiwire proportional counters (MWPCs), mass-angle distributions (MAD) at ANU's Heavy Ion accelerator facility; deduced systematic dependence of quasifission characteristics as a function of identity of colliding nuclei, entrance channel and compound nucleus fissilities, effects of nuclear structure at lower beam energies. Relevance to formation of superheavy elements.

doi: 10.1103/PhysRevC.88.054618
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2013LU13      Phys.Rev. C 88, 034609 (2013)

D.H.Luong, M.Dasgupta, D.J.Hinde, R.du Rietz, R.Rafiei, C.J.Lin, M.Evers, A.Diaz-Torres

Predominance of transfer in triggering breakup in sub-barrier reactions of 6, 7Li with 144Sm, 207, 208Pb, and 209Bi

NUCLEAR REACTIONS 207,208Pb, 209Bi(6Li, X), E=26.5, 29.0 MeV; 144Sm(7Li, X), E=21.5, 24.0 MeV; 208Pb, 209Bi(7Li, X), E=24.0, 29.0 MeV; 207Pb(7Li, X), E=24.0, 29.0, 26.5 MeV; measured spectra of charged breakup fragments in binary coincidence mode using BALIN detector array at ANU Heavy Ion Accelerator Facility; deduced Q-value spectra of α+p, α+d, α+t, α+α modes of breakup of 6,7Li, relative time scales and relative energy spectra of breakup fragments, relative probabilities of major breakup modes. Dominance of nucleon transfer-initiated breakup.

doi: 10.1103/PhysRevC.88.034609
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2013WI05      Phys.Rev. C 88, 034611 (2013)

E.Williams, D.J.Hinde, M.Dasgupta, R.du Rietz, I.P.Carter, M.Evers, D.H.Luong, S.D.McNeil, D.C.Rafferty, K.Ramachandran, A.Wakhle

Evolution of signatures of quasifission in reactions forming curium

NUCLEAR REACTIONS 232Th(12C, X)244Cm*, E=61-94 MeV; 208Pb(28Si, X)236Cm*, E=138-188 MeV; 206Pb(30Si, X)236Cm*, E=135-198 MeV; 208Pb(30Si, X)238Cm*, E=154-167 MeV; 202Hg(32S, X)234Cm*, E=157-191 MeV; 186W(48Ti, X)234Cm*, E=219-235 MeV; 170Er(64Ni, X)234Cm*, E=280-318 MeV; measured particle spectra, fusion σ(E), angular anisotropies using CUBE detector at Heavy-ion ANU facility; deduced mass-ratio spectra and widths, mass-angle distributions (MAD) as signatures of two-body quasifission. Comparison with Transition-state model and coupled-channel calculations.

doi: 10.1103/PhysRevC.88.034611
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2012LI03      Phys.Rev. C 85, 014611 (2012); Erratum Phys.Rev. C 96, 029901 (2017)

C.J.Lin, R.du Rietz, D.J.Hinde, M.Dasgupta, R.G.Thomas, M.L.Brown, M.Evers, L.R.Gasques, M.D.Rodriguez

Systematic behavior of mass distributions in 48Ti-induced fission at near-barrier energies

NUCLEAR REACTIONS 144,154Sm, 162Dy, 174Yb, 186W, 192Os, 196Pt, 200Hg, 208Pb(48Ti, F), E=206-296 MeV; measured fission fragment spectra (fragment)(fragment)-coin, fission yields; deduced mass-ratio distributions, mass widths as functions of excitation energy of compound nucleus, and excitation energies at saddle and scission points, mass-width enhancement factors. Comparison with saddle-point and scission-point model calculations.

doi: 10.1103/PhysRevC.85.014611
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2011DU02      Phys.Rev.Lett. 106, 052701 (2011)

R.du Rietz, D.J.Hinde, M.Dasgupta, R.G.Thomas, L.R.Gasques, M.Evers, N.Lobanov, A.Wakhle

Predominant Time Scales in Fission Processes in Reactions of S, Ti and Ni with W: Zeptosecond versus Attosecond

NUCLEAR REACTIONS 184W(64Ni, F), E=310-341 MeV; 186W(48Ti, F), E= 220-260 MeV; 186W(34S, F), E=149-189 MeV; measured quasifission products; deduced mass-angle distributions, time scale differences. Comparison with CCFULL calculations.

doi: 10.1103/PhysRevLett.106.052701
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2011EV01      Phys.Rev. C 84, 054614 (2011)

M.Evers, M.Dasgupta, D.J.Hinde, D.H.Luong, R.Rafiei, R.du Rietz, C.Simenel

Cluster transfer in the reaction 16O + 208Pb at energies well below the fusion barrier: A possible doorway to energy dissipation

NUCLEAR REACTIONS 208Pb(16O, X), E(c.m.)=73.28 MeV; 181Ta(12C, X), E=53.79 MeV; measured particle spectra of projectile-like fragments, transfer probabilities for 1p, 2p and α particle transfers. Comparison with TDHF calculations.

doi: 10.1103/PhysRevC.84.054614
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2011RA17      Int.J.Mod.Phys. E20, 835 (2011)

R.Rafiei, D.H.Luong, D.J.Hinde, M.Dasgupta, R.Du Rietz

Complete characterization of breakup of 9Be by α-α coincidence measurements

NUCLEAR REACTIONS 209Bi, 208Pb, 196Pt, 186W, 168Er, 144Sm(9Be, xα), E not given; measured reaction products; deduced breakup probabilities.

doi: 10.1142/S0218301311018794
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2010DA15      Nucl.Phys. A834, 147c (2010)

M.Dasgupta, L.R.Gasques, D.H.Luong, R.du Rietz, R.Rafiei, D.J.Hinde, C.J.Lin, M.Evers, A.Diaz-Torres

Reaction dynamics of weakly bound nuclei at near-barrier energies

NUCLEAR REACTIONS 208Pb, 209Bi(6Li, X), (7Li, X), (9Be, X), (10B, X), (11B, X), E not given; analyzed fusion suppression factor, systematics. Found simple dependency and relation to break-up.

doi: 10.1016/j.nuclphysa.2009.12.025
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2010EV01      Phys.Rev. C 81, 014602 (2010)

M.Evers, D.J.Hinde, M.Dasgupta, D.H.Luong, R.Rafiei, R.du Rietz

Coulomb nuclear interference as a tool to investigate the nuclear potential

NUCLEAR REACTIONS 208Pb(16O, X), E(cm)=50-75 MeV; measured particle spectra. 208Pb; deduced excitation function of octupole vibrational state at 2.615 MeV; analyzed earlier quasielastic scattering excitation function data, and coulomb nuclear nuclear interface (CNI) using coupled-channel calculations.

doi: 10.1103/PhysRevC.81.014602
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2010RA03      Phys.Rev. C 81, 024601 (2010)

R.Rafiei, R.du Rietz, D.H.Luong, D.J.Hinde, M.Dasgupta, M.Evers, A.Diaz-Torres

Mechanisms and systematics of breakup in reactions of 9Be at near-barrier energies

NUCLEAR REACTIONS 208Pb, 209Bi(9Be, X), E=28-40 MeV; 186W, 196Pt(9Be, X), E=25-37 MeV; 144Sm, 168Er(9Be, X), E=25-34 MeV; measured particle spectra, reaction Q-values; deduced near-barrier breakup yields, breakup probability, breakup modes, and energy correlation of fragments. Mechanisms and systematics of breakup in reactions. Monte Carlo simulation of 8Be g.s. decay.

doi: 10.1103/PhysRevC.81.024601
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2009AN01      Phys.Rev. C 79, 024312 (2009)

L.-L.Andersson, I.Ragnarsson, D.Rudolph, E.K.Johansson, D.A.Torres, C.Andreoiu, M.P.Carpenter, R.J.Charity, C.J.Chiara, J.Ekman, C.Fahlander, C.Hoel, O.L.Pechenaya, W.Reviol, R.du Rietz, D.G.Sarantites, D.Seweryniak, L.G.Sobotka, S.Zhu

Comprehensive γ-ray spectroscopy of rotational bands in the N = Z + 1nucleus 61Zn

NUCLEAR REACTIONS 36Ar(28Si, n2p), E=142, 148 MeV; measured Eγ, Iγ, γγ-coin, neutron and particle spectra. 61Zn; deduced levels, J, π, multipolarity, bands. Comparison with Cranked Nilsson-Strutinsky calculations.

doi: 10.1103/PhysRevC.79.024312
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Data from this article have been entered in the XUNDL database. For more information, click here.


2009GE14      Phys.Rev. C 80, 051304 (2009)

J.Gellanki, I.Ragnarsson, D.Rudolph, C.E.Svensson, L.-L.Andersson, C.Andreoiu, C.Baktash, M.P.Carpenter, R.J.Charity, C.J.Chiara, J.Eberth, J.Ekman, C.Fahlander, D.S.Haslip, E.K.Johansson, D.R.LaFosse, S.D.Paul, O.L.Pechenaya, W.Reviol, R.du Rietz, D.G.Sarantites, D.Seweryniak, L.G.Sobotka, H.G.Thomas, D.A.Torres, J.C.Waddington, J.N.Wilson, C.H.Yu, S.Zhu

Characterization of superdeformed bands in 62Zn

NUCLEAR REACTIONS 28Si(36Ar, 2p), E=140 MeV; 40Ca(28Si, 2pα), E=122 MeV; measured Eγ, Iγ, γγ-coin, DCO using Gammasphere array. 62Zn; deduced levels, J, π, moment of inertia, configurations. Comparison with cranked Nilsson-Strutinsky calculations.

doi: 10.1103/PhysRevC.80.051304
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Data from this article have been entered in the XUNDL database. For more information, click here.


2009JO03      Phys.Rev. C 80, 014321 (2009)

E.K.Johansson, D.Rudolph, I.Ragnarsson, L.-L.Andersson, D.A.Torres, C.Andreoiu, C.Baktash, M.P.Carpenter, R.J.Charity, C.J.Chiara, J.Ekman, C.Fahlander, O.L.Pechenaya, W.Reviol, R.du Rietz, D.G.Sarantites, D.Seweryniak, L.G.Sobotka, C.H.Yu, S.Zhu

Thorough γ-ray and particle decay investigations of 58Ni

NUCLEAR REACTIONS 28Si(36Ar, 2pα), E=136, 143, 148 MeV; measured Eγ, Iγ, Ep, Ip, Eα, (particle)γ-, nγ-, pγ-, αγ-, γγ-coin, γγ(θ), DCO. 58Ni; deduced levels, J, π, multipolarity, mixing ratio, bands and configurations. 57Co, 54Fe; deduced levels, J, π from prompt proton and α emission from 58Ni high-spin states. Comparison with large-scale shell model and cranked Nilsson-Strutinsky calculations.

doi: 10.1103/PhysRevC.80.014321
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Data from this article have been entered in the XUNDL database. For more information, click here.


2008AN06      Eur.Phys.J. A 36, 251 (2008)

L.-L.Andersson, D.Rudolph, E.K.Johansson, D.A.Torres, B.G.Carlsson, I.Ragnarsson, C.Andreoiu, C.Baktash, M.P.Carpenter, R.J.Charity, C.J.Chiara, J.Ekman, C.Fahlander, C.Hoel, O.L.Pechenaya, W.Reviol, R.du Rietz, D.G.Sarantites, D.Seweryniak, L.G.Sobotka, C.H.Yu, S.Zhu

Extensive γ-ray spectroscopy of normally and superdeformed structures in 6129Cu32

NUCLEAR REACTIONS 28Si(36Ar, 3p), E=142, 143, 148 MeV; measured Eγ, Iγ, En, In, charged-particle spectra, (proton)γ-, γγ-coin. 61Cu deduced energy levels, J, π, band structure, configurations, transition intensities and multipolarities using directional correlations of oriented states analysis. Comparison with shell model and cranked Nilsson-Strutinsky calculations. Gammasphere and Microball arrays. Enriched target.

doi: 10.1140/epja/i2008-10590-9
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Data from this article have been entered in the XUNDL database. For more information, click here.


2008HI07      Phys.Rev.Lett. 100, 202701 (2008)

D.J.Hinde, R.G.Thomas, R.du Rietz, A.Diaz-Torres, M.Dasgupta, M.L.Brown, M.Evers, L.R.Gasques, R.Rafiei, M.D.Rodriguez

Disentangling Effects of Nuclear Structure in Heavy Element Formation

NUCLEAR REACTIONS 186W(46Ti, X), 184W(48Ti, X), 182W(50Ti, X), E=222-241 MeV; measured232Cm compound nucleus mass-angle distributions, mass ratio distributions, fission cross sections; model independent analysis; shell structure effects; comparison with FRLDM calculations.

doi: 10.1103/PhysRevLett.100.202701
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2008HI14      Phys.Rev.Lett. 101, 092701 (2008)

D.J.Hinde, R.du Rietz, M.Dasgupta, R.G.Thomas, L.R.Gasques

Two Distinct Quasifission Modes in the 32S + 232Th Reaction

NUCLEAR REACTIONS 232Th(32S, X)264Hs, E=157.8-195.0 MeV; measured absolute σ, fission fragmentσ, σ(θ) and anisotropy, mass-angle and mass-ratio distributions, barrier distributions; comparison with transition state model, Coupled channel calculations.

doi: 10.1103/PhysRevLett.101.092701
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2008JO04      Phys.Rev. C 77, 064316 (2008)

E.K.Johansson, D.Rudolph, L.-L.Andersson, D.A.Torres, I.Ragnarsson, C.Andreoiu, C.Baktash, M.P.Carpenter, R.J.Charity, C.J.Chiara, J.Ekman, C.Fahlander, C.Hoel, O.L.Pechenaya, W.Reviol, R.du Rietz, D.G.Sarantites, D.Seweryniak, L.G.Sobotka, C.H.Yu, S.Zhu

Prompt proton decay and deformed bands in 56Ni

NUCLEAR REACTIONS 28Si(36Ar, 2α), E=142, 143, 148 MeV; measured Eγ, Iγ, γγ-coin, angular distributions, multipolarities. 56Ni; deduced levels, J, π, bands, deformation parameters. Comparison with cranked Nilsson-Strutinsky calculations.

RADIOACTIVITY 56Ni(p); measured proton spectra. 55Co; deduced levels, J, π.

doi: 10.1103/PhysRevC.77.064316
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Data from this article have been entered in the XUNDL database. For more information, click here.


2008TO15      Phys.Rev. C 78, 054318 (2008)

D.A.Torres, F.Cristancho, L.-L.Andersson, E.K.Johansson, D.Rudolph, C.Fahlander, J.Ekman, R.du Rietz, C.Andreoiu, M.P.Carpenter, D.Seweryniak, S.Zhu, R.J.Charity, C.J.Chiara, C.Hoel, O.L.Pechenaya, W.Reviol, D.G.Sarantites, L.G.Sobotka, C.Baktash, C.-H.Yu, B.G.Carlsson, I.Ragnarsson

Deformations and magnetic rotations in the 60Ni nucleus

NUCLEAR REACTIONS 28Si(36Ar, 4p), E=134, 143, 148 MeV; measured Eγ, Iγ, γγ-coin, angular distributions. 60Ni; deduced levels, J, π, multipolarity, mixing ratios, B(M1), B(E2). Comparison with cranked Nilsson Strutinsky calculations.

doi: 10.1103/PhysRevC.78.054318
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Data from this article have been entered in the XUNDL database. For more information, click here.


2006AN31      Eur.Phys.J. A 30, 381 (2006)

L-L.Andersson, D.Rudolph, J.Ekman, C.Fahlander, E.K.Johansson, R.du Rietz, C.J.Gross, P.A.Hausladen, D.C.Radford, G.Hammond

γ-ray spectroscopy of excited states in 6130Zn31

NUCLEAR REACTIONS 40Ca(24Mg, n2p), E=104 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 61Zn deduced levels, J, π, configurations, superdeformed band features. Clarion array, large-scale shell model calculations.

doi: 10.1140/epja/i2006-10132-7
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2006BE45      Phys.Rev.Lett. 97, 132501 (2006)

M.A.Bentley, C.Chandler, M.J.Taylor, J.R.Brown, M.P.Carpenter, C.Davids, J.Ekman, S.J.Freeman, P.E.Garrett, G.Hammond, R.V.F.Janssens, S.M.Lenzi, C.J.Lister, R.du Rietz, D.Seweryniak

Isospin Symmetry of Odd-Odd Mirror Nuclei: Identification of Excited States in N=Z-2 48Mn

NUCLEAR REACTIONS 10B(40Ca, 2n), (40Ca, 2p), E=110 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 48Mn deduced high-spin levels, J, π, mirror energy differences. Gammasphere array, mass separator.

doi: 10.1103/PhysRevLett.97.132501
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2005AN03      Phys.Rev. C 71, 011303 (2005)

L.-L.Andersson, E.K.Johansson, J.Ekman, D.Rudolph, R.du Rietz, C.Fahlander, C.J.Gross, P.A.Hausladen, D.C.Radford, G.Hammond

Identification of excited states in 6131Ga30: Mirror nuclei in the upper fp shell

NUCLEAR REACTIONS 24Mg(40Ca, 2np), E=104 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 61Ga deduced levels, J, π, analog states features. Clarion array, mass separator.

doi: 10.1103/PhysRevC.71.011303
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2005DU19      Phys.Rev. C 72, 014307 (2005)

R.du Rietz, S.J.Williams, D.Rudolph, J.Ekman, C.Fahlander, C.Andreoiu, M.Axiotis, M.A.Bentley, M.P.Carpenter, C.Chandler, R.J.Charity, R.M.Clark, M.Cromaz, A.Dewald, G.de Angelis, F.Della Vedova, P.Fallon, A.Gadea, G.Hammond, E.Ideguchi, S.M.Lenzi, A.O.Macchiavelli, N.Marginean, M.N.Mineva, O.Moller, D.R.Napoli, M.Nespolo, W.Reviol, C.Rusu, B.Saha, D.G.Sarantites, D.Seweryniak, D.Tonev, C.A.Ur

Investigation of high-spin states in 53Fe

NUCLEAR REACTIONS 28Si(32S, n2pα), E=125 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 24Mg(32S, n2p), E=95 MeV; measured Doppler-shifted Eγ, Iγ, γγ-coin. 53Fe deduced high-spin levels, J, π, T1/2, configurations. Gammasphere, Microball, GASP arrays, recoil-distance technique. Comparison with shell-model predictions.

doi: 10.1103/PhysRevC.72.014307
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2005EK01      Eur.Phys.J. A 25, Supplement 1, 363 (2005)

J.Ekman, L.-L.Andersson, C.Fahlander, E.K.Johansson, R.du Rietz, D.Rudolph

News on mirror nuclei in the sd and fp shells

NUCLEAR REACTIONS 16O(24Mg, nα), (24Mg, pα), E=60 MeV; 28Si(32S, n2α), (32S, p2α), E=130 MeV; 24Mg(40Ca, 2np), (40Ca, n2p), E=104 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 35Ar, 35Cl, 51Fe, 51Mn, 61Ga, 61Zn deduced levels, J, π, mirror energy difference. Discussed electromagnetic spin-orbit effect. Large-scale shell model calculations.

doi: 10.1140/epjad/i2005-06-016-2
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2005RU06      Nucl.Phys. A752, 241c (2005)

D.Rudolph, E.K.Johansson, L.-L.Andersson, J.Ekman, C.Fahlander, R.du Rietz

Exotic Decay Modes in Rotating Nuclei

NUCLEAR STRUCTURE 58Ni; analyzed proton spectra, angular distributions following prompt decay of rotational band states.

NUCLEAR REACTIONS 24Mg(40Ca, 2np), (40Ca, 2n), E=104 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 61Ga, 62Ge deduced levels, transitions.

doi: 10.1016/j.nuclphysa.2005.02.083
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2004DU25      Phys.Rev.Lett. 93, 222501 (2004)

R.du Rietz, J.Ekman, D.Rudolph, C.Fahlander, A.Dewald, O.Moller, B.Saha, M.Axiotis, M.A.Bentley, C.Chandler, G.de Angelis, F.Della Vedova, A.Gadea, G.Hammond, S.M.Lenzi, N.Marginean, D.R.Napoli, M.Nespolo, C.Rusu, D.Tonev

Effective Charges in the fp Shell

NUCLEAR REACTIONS 24Mg(32S, nα), (32S, pα), E=95 MeV; measured Doppler-shifted Eγ, Iγ, γγ-coin. 51Fe, 51Mn levels deduced T1/2, B(E2), effective charges. GASP array, recoil-distance technique, comparison with large-scale shell model predictions.

doi: 10.1103/PhysRevLett.93.222501
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Data from this article have been entered in the XUNDL database. For more information, click here.


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