NSR Query Results
Output year order : Descending NSR database version of May 6, 2024. Search: Author = R.Butt Found 27 matches. 2007MU06 Phys.Rev. C 75, 044608 (2007) A.Mukherjee, D.J.Hinde, M.Dasgupta, K.Hagino, J.O.Newton, R.D.Butt Failure of the Woods-Saxon nuclear potential to simultaneously reproduce precise fusion and elastic scattering measurements NUCLEAR REACTIONS 208Pb(12C, X), E(cm)=58-94 MeV; measured fusion, fission, and evaporation residue σ; deduced barrier distribution. Comparison with model predictions.
doi: 10.1103/PhysRevC.75.044608
2004DA23 Phys.Rev. C 70, 024606 (2004) M.Dasgupta, P.R.S.Gomes, D.J.Hinde, S.B.Moraes, R.M.Anjos, A.C.Berriman, R.D.Butt, N.Carlin, J.Lubian, C.R.Morton, J.O.Newton, A.Szanto de Toledo Effect of breakup on the fusion of 6Li, 7Li, and 9Be with heavy nuclei NUCLEAR REACTIONS 209Bi(6Li, X)213Rn/212Rn/211Rn/210Rn/213At/212At/211At/212Po/211Po/210Po, E=26-48 MeV; 209Bi(7Li, X)214Rn/213Rn/212Rn/211Rn/213At/212At/211At/212Po/211Po/210Po/211Bi, E=26-52 MeV; 208Pb(9Be, X)215Rn/214Rn/213Rn/212Rn/212Po/211Po/210Po, E=36-51 MeV; measured fission, complete and incomplete fusion σ; deduced barrier distributions, breakup effects, other reaction mechanism features.
doi: 10.1103/PhysRevC.70.024606
2004NE02 Phys.Lett. B 586, 219 (2004) J.O.Newton, R.D.Butt, M.Dasgupta, D.J.Hinde, I.I.Gontchar, C.R.Morton, K.Hagino Systematics of precise nuclear fusion cross sections: the need for a new dynamical treatment of fusion? NUCLEAR REACTIONS 208Pb(16O, X), E(cm)=80-105 MeV; 208Pb(9Be, X), 92Zr, 204Pb(12C, X), 58,62Ni, 92Zr, 112,116Sn, 144,148,154Sm, 182,186W, 194,198Pt, 238U(16O, X), 144Sm(17O, X), 197Au, 208Pb, 232Th(19F, X), 92Zr, 144Sm, 178Hf, 208Pb(28Si, X), 178Hf(29Si, X), 186W(30Si, X), 175Lu(31P, X), 89Y, 208Pb, 232Th(32S, X), 89Y, 168Er(34S, X), 92Zr(35Cl, X), 48Ca, 46,48,50Ti, 90,96Zr, 124Sn, 192Os, 194Pt(40Ca, X), 60Ni(58Ni, X), E not given; analyzed fusion excitation functions; deduced diffuseness parameter, possible dynamical effects.
doi: 10.1016/j.physletb.2004.02.052
2004NE10 Phys.Rev. C 70, 024605 (2004) J.O.Newton, R.D.Butt, M.Dasgupta, D.J.Hinde, I.I.Gontchar, C.R.Morton, K.Hagino Systematic failure of the Woods-Saxon nuclear potential to describe both fusion and elastic scattering: Possible need for a new dynamical approach to fusion NUCLEAR REACTIONS 208Pb(9Be, X), 92Zr, 204Pb(12C, X), 58,62Ni, 92Zr, 112,116Sn, 144,148,154Sm, 182,186W, 194Pt, 208Pb, 238U(16O, X), 144Sm(17O, X), 194Pt(18O, X), 197Au, 208Pb, 232Th(19F, X), 92Zr, 144Sm, 178Hf, 208Pb(28Si, X), 178Hf(29Si, X), 186W(30Si, X), 92Zr(35Cl, X), 175Lu(31P, X), 89Y, 208Pb, 232Th(32S, X), 89Y, 168Er(34S, X), 90,96Zr(36S, X), 48Ca, 46,48,50Ti, 90,96Zr, 124Sn, 192Os, 194Pt(40Ca, X), 48Ca(48Ca, X), 60Ni(58Ni, X), E > barrier; analyzed fusion excitation functions; deduced diffuseness parameters and radii, possible resonance effects, dynamical features.
doi: 10.1103/PhysRevC.70.024605
2003HI15 Phys.Rev. C 68, 044606 (2003) D.J.Hinde, N.Rowley, M.Dasgupta, R.D.Butt, C.R.Morton, A.Mukherjee Exploratory studies towards fusion with the 16+ isomer of 178Hf NUCLEAR REACTIONS 178Hf(16O, X), E=68-90 MeV; measured evaporation residue σ, σ(θ). Feasibility of experiment with isomeric target discussed.
doi: 10.1103/PhysRevC.68.044606
2002BU08 Phys.Rev. C65, 044606 (2002); Erratum Phys.Rev. C65, 069904 (2002) R.D.Butt, M.Dasgupta, I.Gontchar, D.J.Hinde, A.Mukherjee, A.C.Berriman, C.R.Morton, J.O.Newton, A.E.Stuchbery, J.P.Lestone Effects on Finite Ground-State Spin on Fission Fragment Angular Distributions following Collisions with Spherical or Deformed Nuclei NUCLEAR REACTIONS 209Bi(16O, F), E(cm) ≈ 76 MeV; 232Th(10B, F), E(cm) ≈ 46 MeV; 176Lu(31P, F), E(cm) ≈ 122 MeV; 178,178mHf(28Si, X), E ≈ 116 MeV; calculated fission fragments angular distributions, dependence on target spin.
doi: 10.1103/PhysRevC.65.044606
2002BU27 Phys.Rev. C66, 044601 (2002) R.D.Butt, D.J.Hinde, M.Dasgupta, A.C.Berriman, A.Mukherjee, C.R.Morton, J.O.Newton Measurement of the effect of large deformation-aligned ground-state spin on fission fragment anisotropies NUCLEAR REACTIONS 178Hf(28Si, X), (29Si, X), E ≈ 124-161 MeV; 175,176Lu(31P, X), E ≈ 135-165 MeV; measured fission and evaporation residue σ, fission fragment angular distributions, anisotropies; deduced effect of ground-state spin alignment. Comparisons with model predictions.
doi: 10.1103/PhysRevC.66.044601
2002DA23 Phys.Rev. C66, 041602 (2002) M.Dasgupta, D.J.Hinde, K.Hagino, S.B.Moraes, P.R.S.Gomes, R.M.Anjos, R.D.Butt, A.C.Berriman, N.Carlin, C.R.Morton, J.O.Newton, A.Szanto de Toledo Fusion and breakup in the reactions of 6Li and 7Li nuclei with 209Bi NUCLEAR REACTIONS 209Bi(6Li, X), (7Li, X), E(cm)=25-50 MeV; measured fusion, incomplete fusion, and fission excitation functions; deduced reaction mechanism features. Classical trajectory model.
doi: 10.1103/PhysRevC.66.041602
2002GO05 Phys.Rev. C65, 034610 (2002) I.I.Gontchar, M.Dasgupta, D.J.Hinde, R.D.Butt, A.Mukherjee Importance of Geometrical Corrections to Fusion Barrier Calculations for Deformed Nuclei NUCLEAR REACTIONS 154Sm(16O, X), E=45-70 MeV; calculated fusion barriers, σ; deduced deformation effects.
doi: 10.1103/PhysRevC.65.034610
2002HI04 Eur.Phys.J. A 13, 149 (2002) D.J.Hinde, A.C.Berriman, R.D.Butt, M.Dasgupta, C.R.Morton, A.Mukherjee, J.O.Newton Influence of Entrance Channel Properties on Heavy-Ion Reaction Dynamics NUCLEAR REACTIONS 208Pb, 232Th(32S, X), 208Pb(19F, X), 168Er(34S, X), E(cm)=80-180 MeV; 209Bi(7Li, X), 208Pb(9Be, X), E(cm)=20-50 MeV; analyzed fusion σ, barrier distributions, entrance channel effects.
doi: 10.1007/s10050-002-8734-0
2002HI25 J.Nucl.Radiochem.Sci. 3, No 1, 31 (2002) D.J.Hinde, A.C.Berriman, R.D.Butt, M.Dasgupta, I.I.Gontchar, C.R.Morton, A.Mukherjee, J.O.Newton Role of Entrance-channel Dynamics in Heavy Element Synthesis NUCLEAR REACTIONS 238U(16O, X), E(cm) ≈ 70-100 MeV; 208Pb, 232Th(32S, X), E(cm) ≈ 130-170 MeV; measured barrier distributions, fission fragment mass distributions. 204Pb(12C, xn), 197Au(19F, xn), 186W(30Si, xn), E* ≈ 20-90 MeV; measured fusion, fission, evaporation residue σ; deduced entrance channel effects.
2002MU03 Phys.Lett. 526B, 295 (2002) A.Mukherjee, M.Dasgupta, D.J.Hinde, H.Timmers, R.D.Butt, P.R.S.Gomes Absence of Fusion Suppression Due to Breakup in the 12C + 7Li Reaction NUCLEAR REACTIONS 7Li(12C, X), E(cm)=3.7 MeV; measured fusion σ, evaporation residues angular distributions; deduced no inhibition of fusion near the barrier.
doi: 10.1016/S0370-2693(01)01505-2
2001BE55 Nature(London) 413, 144 (2001) A.C.Berriman, D.J.Hinde, M.Dasgupta, C.R.Morton, R.D.Butt, J.O.Newton Unexpected Inhibition of Fusion in Nucleus-Nucleus Collisions NUCLEAR REACTIONS 204Pb(12C, X), 197Au(19F, X), 186W(30Si, X), E* ≈ 25-90 MeV; measured fission, evaporation residue σ; deduced quasi-fission process, inhibition of fusion. Comparison with model predictions.
doi: 10.1038/35093069
2001HI04 Nucl.Phys. A685, 72c (2001) D.J.Hinde, A.C.Berriman, R.D.Butt, M.Dasgupta, C.R.Morton, J.O.Newton Dynamical Interplay of Fusion and Fission in Low Energy Nucleus-Nucleus Collisions NUCLEAR REACTIONS 208Pb(19F, X), 182W(16O, X), 208Pb, 232Th(32S, X), 168Er(34S, X), E(cm) ≈ 65-180 MeV; analyzed fusion σ, barrier distributions, anisotropies; deduced deformation effects.
doi: 10.1016/S0375-9474(01)00530-9
2001MO27 Phys.Rev. C64, 034604 (2001) C.R.Morton, A.C.Berriman, R.D.Butt, M.Dasgupta, D.J.Hinde, A.Godley, J.O.Newton, K.Hagino Influence of Higher-Order Deformations in the 34S + 168Er Fusion Reactions NUCLEAR REACTIONS 168Er(34S, X), E(cm)=110-140 MeV; analyzed fusion, fission σ, fusion barrier distribution; deduced role of hexacontatetrapole deformation. Coupled-channels approach, comparison with macroscopic-microscopic model prediction.
doi: 10.1103/PhysRevC.64.034604
2001MU34 Pramana 57, 195 (2001) A.Mukherjee, M.Dasgupta, D.J.Hinde, C.R.Morton, A.C.Berriman, R.D.Butt, J.O.Newton, H.Timmers Fusion Around the Barrier for 7Li + 12C NUCLEAR REACTIONS 12C(7Li, X), E=13-30 MeV; 12C(12C, X), E=15-20 MeV; measured fusion σ. Comparison with previous results, model predictions.
doi: 10.1007/s12043-001-0174-x
2000HI16 Phys.Rev. C62, 024615 (2000) D.J.Hinde, W.Pan, A.C.Berriman, R.D.Butt, M.Dasgupta, C.R.Morton, J.O.Newton Loss of Memory of Target Nucleus Deformation Axis in Heavy-Ion Fusion-Fission NUCLEAR REACTIONS 182W(16O, X), E=72-90 MeV; measured fission fragments energies, angular distributions, fusion σ, fission probability; deduced agreement with statistical model.
doi: 10.1103/PhysRevC.62.024615
2000MO13 Phys.Lett. 481B, 160 (2000) C.R.Morton, D.J.Hinde, A.C.Berriman, R.D.Butt, M.Dasgupta, A.Godley, J.O.Newton Memory of Entrance-Channel Deformation for Fast-Fission NUCLEAR REACTIONS 168Er(34S, X), E(cm)=112-142 MeV; measured fusion σ, fission fragment anisotropy; 208Pb(19F, X), E(cm)=74-100 MeV; analyzed fusion σ, fission fragment anisotropy; deduced barrier distributions, role of entrance channel deformation. Comparison with model predictions.
doi: 10.1016/S0370-2693(00)00470-6
2000MO20 Phys.Rev. C62, 024607 (2000) C.R.Morton, A.C.Berriman, R.D.Butt, M.Dasgupta, A.Godley, D.J.Hinde, J.O.Newton Memory of the Entrance-Channel K Distribution Observed in Fission at High Angular Momentum NUCLEAR REACTIONS 168Er(34S, X), E=134-196 MeV; measured fission, fusion, evaporation residue σ, fission fragments angular distributions, anisotropies; deduced entrance channel effect.
doi: 10.1103/PhysRevC.62.024607
1999DA07 Phys.Rev.Lett. 82, 1395 (1999) M.Dasgupta, D.J.Hinde, R.D.Butt, R.M.Anjos, A.C.Berriman, N.Carlin, P.R.S.Gomes, C.R.Morton, J.O.Newton, A.Szanto de Toledo, K.Hagino Fusion Versus Breakup: Observation of large fusion suppression for 9Be + 208Pb NUCLEAR REACTIONS 208Pb(9Be, X), E=35-51 MeV; measured complete, incomplete fusion σ; deduced projectile breakup effects.
doi: 10.1103/PhysRevLett.82.1395
1999DA26 Pramana 53, 513 (1999) M.Dasgupta, D.J.Hinde, R.D.Butt, A.C.Berriman, C.R.Morton, J.O.Newton, K.Hagino Exploiting Barrier Distributions to Investigate Breakup Effects in the Fusion of 9Be + 208Pb NUCLEAR REACTIONS 208Pb(9Be, F), (9Be, 2n), (9Be, 3n), (9Be, 4n), (9Be, 5n), (9Be, nα), (9Be, 2nα), (9Be, 3nα), E(cm)=35-51 MeV; measured σ; deduced complete and incomplete fusion excitation functions, barrier distributions, breakup effects. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0719. 1999HI11 Nucl.Phys. (Supplement) A654, 864c (1999) D.J.Hinde, M.Dasgupta, C.R.Morton, A.C.Berriman, R.D.Butt, J.O.Newton Insights into Nuclear Reactions Through Fusion Barrier Distribution Measurements NUCLEAR REACTIONS 232Th(32S, X), E(cm)=130-170 MeV; 208Pb(9Be, X), E(cm)=30-50 MeV; measured fusion σ, fission fragment mass distributions; deduced fusion barrier distribution, reaction mechanism features.
doi: 10.1016/S0375-9474(00)88562-0
1985ME17 Z.Phys. B61, 267 (1985) H.Metzner, R.Sielemann, S.Klaumunzer, R.Butt, W.Semmler Intrinsic Point Defects in Niobium: Trapping at 100Pd and 111In impurities observed by PAC RADIOACTIVITY 100Pd(EC) [from 93Nb(12C, 5n)109Ag(β++EC)-decay, E=100 MeV; 93Nb(11B, 4n), E=75 MeV]; 111In(EC) [from 93Nb(22Ne, 4n)111Sb → 111Sn(β++EC)-decay, E=100 MeV]; measured γγ(θ, H, t).
doi: 10.1007/BF01317794
1979KE03 Z.Phys. A290, 229 (1979) R.Keitel, H.H.Bertschat, R.Butt, H.Grawe, H.Haas, D.Hahn, S.Klaumunzer, M.Menningen, R.Sielemann, W.-D.Zeitz Magnetic Moments of Isomeric States in 146Gd NUCLEAR REACTIONS 110Pd(40Ar, 4n), E=180 MeV; measured γ(θ, H, t). 146Gd deduced levels, magnetic moments of isomeric states.
doi: 10.1007/BF01408119
1973BL07 Z.Phys. 263, 169 (1973) J.Bleck, R.Butt, K.H.Lindenberger, W.Ribbe, W.Zeitz Lifetimes and Magnetic Moments of Two States in 62Cu NUCLEAR REACTIONS 61Ni(d, nγ), 62Ni(p, nγ), Ed=6.5 MeV, Ep=5.8 MeV; measured Eγ, γ(t), γγ-coin, γγ(θ, H, t). 62Cu levels deduced T1/2, μ.
doi: 10.1007/BF01402165
1972BL15 Phys.Rev.Lett. 29, 1371 (1972) J.Bleck, R.Butt, H.Haas, W.Ribbe, W.Zeitz In-Beam Measurements of the Nuclear Quadrupole Interaction in Cadmium Metal NUCLEAR REACTIONS 110Cd(d, pγ), E=6.4 MeV; measured dγ(θ, H, t) in Cd metal; deduced nuclear quadrupole interaction.
doi: 10.1103/PhysRevLett.29.137
1972BL16 Nucl.Phys. A197, 620 (1972) J.Bleck, R.Butt, K.H.Lindenberger, W.Ribbe, W.Zeitz Magnetic Moments, Lifetimes, and γ-Decay of the Lowest 6- States in 64Cu and 66Cu NUCLEAR REACTIONS 63,65Cu(d, p), Ed=6.5 MeV; measured Eγ, γγ-coin, dγ(θ, H, t). 64,66Cu deduced levels, J, π, T1/2, g.
doi: 10.1016/0375-9474(72)91033-0
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