NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = A.Pipidis Found 20 matches. 2023SI08 Phys.Rev. C 107, 054305 (2023) J.Simpson, M.A.Riley, A.Pipidis, E.S.Paul, X.Wang, P.J.Nolan, J.F.Sharpey-Schafer, A.Aguilar, D.E.Appelbe, A.D.Ayangeakaa, A.J.Boston, H.C.Boston, D.B.Campbell, M.P.Carpenter, C.J.Chiara, P.T.W.Choy, R.M.Clark, M.Cromaz, A.O.Evans, P.Fallon, U.Garg, A.Gorgen, D.J.Hartley, R.V.F.Janssens, D.T.Joss, D.S.Judson, F.G.Kondev, T.Lauritsen, I.Y.Lee, A.O.Macchiavelli, J.T.Matta, J.Ollier, M.Petri, J.P.Revill, L.L.Riedinger, S.V.Rigby, C.Teal, P.J.Twin, C.Unsworth, D.Ward, S.Zhu, I.Ragnarsson Evolution of structure and shapes in 158Er to ultrahigh spin NUCLEAR REACTIONS 114Cd(48Ca, 4n)158Er, E=215 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 158Er; deduced levels, J, π, high-spin states, angular intensity ratios, δ, B(M1/E2) ratios, nuclear shapes, alignments, rotational bands, configurations, band terminating states and feeding, transition quadrupole moments for triaxial strongly deformed bands, moment of inertia. Comparison with cranked Nilsson-Strutinski calculations. Systematics of triaxial strongly deformed bands in 158Er, 160Er, 152Dy, 163Lu. Gammasphere array of escape-suppressed HPGe detectors at 88-inch cyclotron-LBNL and ATLAS-ANL facilities.
doi: 10.1103/PhysRevC.107.054305
2022GR07 Phys.Rev. C 106, 024314 (2022) L.Grocutt, R.Chapman, M.Bouhelal, F.Haas, A.Goasduff, J.F.Smith, R.S.Lubna, S.Courtin, D.Bazzacco, T.Braunroth, L.Capponi, L.Corradi, X.Derkx, P.Desesquelles, M.Doncel, E.Fioretto, A.Gottardo, V.Liberati, B.Melon, D.Mengoni, C.Michelagnoli, T.Mijatovic, V.Modamio, G.Montagnoli, D.Montanari, K.F.Mulholland, D.R.Napoli, C.M.Petrache, A.Pipidis, F.Recchia, E.Sahin, P.P.Singh, A.M.Stefanini, S.Szilner, J.J.Valiente-Dobon Lifetime measurements of states of 35S, 36S, 37S, and 38S using the AGATA γ-ray tracking spectrometer NUCLEAR REACTIONS 208Pb(36S, X)35S/36S/37S/38S, E=225 MeV; measured mass spectra of sulfur isotopes, Eγ, (particle)γ-coin, level T1/2 by differential recoil-distance Doppler-shift method using Cologne plunger apparatus, PRISMA magnetic spectrometer and AGATA demonstrator array of five triple cluster segmented Ge detectors at the Tandem-ALPI accelerator complex of INFN-Legnaro. 35,36,37,38S; deduced levels, J, π, T1/2 of levels, B(E2), B(E1), configurations. Comparison with shell-model calculations using PSDPF, SDPF-U, and FSU effective interactions.
doi: 10.1103/PhysRevC.106.024314
2019GR08 Phys.Rev. C 100, 064308 (2019) L.Grocutt, R.Chapman, M.Bouhelal, F.Haas, A.Goasduff, J.F.Smith, S.Courtin, D.Bazzacco, T.Braunroth, L.Capponi, L.Corradi, X.Derkx, P.Desesquelles, M.Doncel, E.Fioretto, A.Gottardo, V.Liberati, B.Melon, D.Mengoni, C.Michelagnoli, T.Mijatovic, V.Modamio, G.Montagnoli, D.Montanari, K.F.Mulholland, D.R.Napoli, C.Petrache, A.Pipidis, F.Recchia, E.Sahin, P.P.Singh, A.M.Stefanini, S.Szilner, J.J.Valiente-Dobon Lifetime measurements of N ≈ 20 phosphorus isotopes using the AGATA γ-ray tracking spectrometer NUCLEAR REACTIONS 208Pb(36S, X)33P/34P/35P/36P/37P, E=225 MeV; measured yields of reaction products, Eγ, Iγ, γγ- and (particle)γ-coin, level half-lives by differential recoil-distance method using a plunger device, Prisma magnetic spectrometer for particles, and AGATA array for γ rays at the INFN-LNL-Legnaro facility. 33,34,35,36P; deduced levels, J, π, configurations, B(M1), B(E2), B(E1). Comparison with previous experimental data, and with the state-of-the-art shell-model calculations using PSDPF effective interaction.
doi: 10.1103/PhysRevC.100.064308
2012HO15 Eur.Phys.J. A 48, 83 (2012) D.Hojman, M.A.Cardona, B.Roussiere, J.Sauvage, M.A.Riley, S.L.Tabor, C.R.Hoffman, A.Aguilar, W.T.Cluff, T.Hinners, K.Lagergren, S.Lee, M.Perry, A.Pipidis, V.Tripathi Band structures and shape coexistence in 187Pt NUCLEAR REACTIONS 181Ta(11B, 5n), E=71 MeV; measured Eγ, Iγ, γγ-coin. 187Pt deduced levels, J, π, γ transitions, bands, backbending, high-spin states, γ linear polarization, shape coexistence; calculated E2/M1, M2/E1 mixing ratio.
doi: 10.1140/epja/i2012-12083-8
2009PA17 Phys.Rev. C 79, 044324 (2009) E.S.Paul, S.V.Rigby, M.A.Riley, J.Simpson, D.E.Appelbe, D.B.Campbell, P.T.W.Choy, R.M.Clark, M.Cromaz, A.O.Evans, P.Fallon, A.Gorgen, D.T.Joss, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, A.Pipidis, D.Ward, I.Ragnarsson Loss of collectivity in the transitional 156Er nucleus at high spin NUCLEAR REACTIONS 114Cd(48Ca, 6n), E=215 MeV; measured Eγ, Iγ, γγ-coin, angular distributions. 156Er; deduced levels, J, π, angular distribution coefficients, bands, multipolarities, B(M1), B(M1)/B(E2), configurations, alignments as a function of rotational frequency. Nilsson-Strutinsky calculations. Potential energy surface calculations. 152Gd, 154Dy, 156Er, 158Yb, 160Hf; level and configuration systematics.
doi: 10.1103/PhysRevC.79.044324
2009RI05 Acta Phys.Pol. B40, 513 (2009) M.A.Riley, A.Aguilar, A.O.Evans, D.J.Hartley, K.Lagergren, J.Ollier, E.S.Paul, A.Pipidis, J.Simpson, C.Teal, P.J.Twin, X.Wang, D.E.Appelbe, D.B.Campbell, M.P.Carpenter, R.M.Clark, M.Cromaz, I.G.Darby, P.Fallon, U.Garg, R.V.F.Janssens, D.T.Joss, F.G.Kondev, T.Lauritsen, I.Y.Lee, C.J.Lister, A.O.Macchiavelli, P.J.Nolan, M.Petri, S.V.Rigby, J.Thompson, C.Unsworth, D.Ward, S.Zhu, I.Ragnarsson Strongly Deformed Nuclear Shapes at Ultra-High Spin and Shape Coexistence in ∼ 90 Nuclei
2008AG04 Phys.Rev. C 77, 021302 (2008) A.Aguilar, D.B.Campbell, K.Chandler, A.Pipidis, M.A.Riley, C.Teal, J.Simpson, D.J.Hartley, F.G.Kondev, R.M.Clark, M.Cromaz, P.Fallon, I.Y.Lee, A.O.Macchiavelli, I.Ragnarsson New shape minimum in 160Yb: Evidence for a triaxial, strongly deformed band NUCLEAR REACTIONS 120Sn(44Ca, 4n), E=210 MeV; measured Eγ, Iγ, γγ-coin; calculated potential energy surfaces; 160Yb; deduced excitation energies, configurations, high-spin rotational bands, triaxial strongly-deformed bands. 157,158Er, 161Lu; systematics, comparison with theory.
doi: 10.1103/PhysRevC.77.021302
2007PA03 Phys.Rev.Lett. 98, 012501 (2007) E.S.Paul, P.J.Twin, A.O.Evans, A.Pipidis, M.A.Riley, J.Simpson, D.E.Appelbe, D.B.Campbell, P.T.W.Choy, R.M.Clark, M.Cromaz, P.Fallon, A.Gorgen, D.T.Joss, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.Ward, I.Ragnarsson Return of Collective Rotation in 157Er and 158Er at Ultrahigh Spin NUCLEAR REACTIONS 114Cd(48Ca, 4n), (48Ca, 5n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 157,158Er deduced high-spin levels, J, π, configurations, collective rotation above band-terminating states. Gammasphere array, cranked Nilsson-Strutinsky calculations.
doi: 10.1103/PhysRevLett.98.012501
2006EV02 Phys.Rev. C 73, 064303 (2006) A.O.Evans, E.S.Paul, J.Simpson, M.A.Riley, D.E.Appelbe, D.B.Campbell, P.T.W.Choy, R.M.Clark, M.Cromaz, P.Fallon, A.Gorgen, D.T.Joss, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, A.Pipidis, D.Ward, I.Ragnarsson High-spin structure in 157Er up to and above band termination NUCLEAR REACTIONS 114Cd(48Ca, 5n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 157Er deduced high-spin levels, J, π, configurations, B(M1)/B(E2), band termination. Gammasphere array.
doi: 10.1103/PhysRevC.73.064303
2006JO11 Phys.Rev.Lett. 97, 192701 (2006) E.D.Johnson, G.V.Rogachev, A.M.Mukhamedzhanov, L.T.Baby, S.Brown, W.T.Cluff, A.M.Crisp, E.Diffenderfer, V.Z.Goldberg, B.W.Green, T.Hinners, C.R.Hoffman, K.W.Kemper, O.Momotyuk, P.Peplowski, A.Pipidis, R.Reynolds, B.T.Roeder Astrophysical Reaction Rate for the Neutron-Generator Reaction 13C(α, n)16O in Asymptotic Giant Branch Stars NUCLEAR REACTIONS 6Li(13C, d), E=8.0, 8.5 MeV; measured deuteron spectra, σ(E, θ); deduced asymptotic normalization coefficient for subthreshold resonance. 13C(α, n), E ≈ 0-1 MeV; deduced astrophysical S-factor, reaction rates.
doi: 10.1103/PhysRevLett.97.192701
2006LE17 Phys.Rev. C 73, 044321 (2006) S.Lee, S.L.Tabor, T.Baldwin, D.B.Campbell, I.Calderin, C.Chandler, M.W.Cooper, C.R.Hoffman, K.W.Kemper, J.Pavan, A.Pipidis, M.A.Riley, M.Wiedeking Structure of 26Na from the 14C(14C, d) reaction NUCLEAR REACTIONS 14C(14C, d), E=22 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 26Na deduced levels, J, π, configurations. Shell model analysis.
doi: 10.1103/PhysRevC.73.044321
2006RI13 Phys.Scr. T125, 123 (2006) M.A.Riley, M.K.Djongolov, A.O.Evans, D.J.Hartley, R.V.F.Janssens, E.S.Paul, A.Pipidis, J.Simpson, A.A.Aguilar, D.E.Appelbe, C.R.Bingham, D.B.Campbell, M.P.Carpenter, P.Chowdhury, P.T.W.Choy, R.M.Clark, M.Cromaz, D.M.Cullen, M.Danchev, G.D.Dracoulis, P.Fallon, A.Gorgen, G.B.Hagemann, D.T.Joss, J.Goon, R.A.Kaye, T.L.Khoo, F.G.Kondev, R.W.Laird, K.Lagergren, T.Lauritsen, A.O.Macchiavelli, B.McClain, E.F.Moore, G.Mukherjee, E.Ngijoi-Yogo, P.J.Nolan, H.I.Park, L.L.Riedinger, G.Sletten, S.K.Tandel, P.M.Walker, D.Ward, I.Ragnarsson, F.Saric, J.Zhang Observation of states beyond band termination in 156, 157, 158Er and strongly deformed structures in 173, 174, 175Hf NUCLEAR REACTIONS 114Cd(48Ca, 4n), (48Ca, 5n), (48Ca, 6n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 156,157,158Er deduced high-spin levels, states above band termination. Gammasphere array. NUCLEAR STRUCTURE 173,174,175Hf; analyzed data; deduced superdeformed bands features.
doi: 10.1088/0031-8949/2006/T125/028
2005PI21 Phys.Rev. C 72, 064307 (2005) A.Pipidis, M.A.Riley, J.Simpson, R.V.F.Janssens, F.G.Kondev, D.E.Appelbe, A.P.Bagshaw, M.A.Bentley, T.B.Brown, M.P.Carpenter, D.M.Cullen, D.B.Campbell, P.J.Dagnall, P.Fallon, S.M.Fischer, G.B.Hagemann, D.J.Hartley, K.Lagergren, R.W.Laird, T.Lauritsen, J.C.Lisle, D.Nisius, S.L.Shepherd, A.G.Smith, S.Tormanen, I.Ragnarsson Structural behavior of 157, 158, 159Dy in the I=30-50 (h-bar) spin regime NUCLEAR REACTIONS 124Sn(36S, 3n), E=165 MeV; 130Te(36S, 3nα), (36S, 4nα), (34S, 3nα), E=170 MeV; measured Eγ, Iγ, γγ-coin. 157,158,159Dy deduced high-spin levels, J, π, configurations. Gammasphere, Euroball arrays.
doi: 10.1103/PhysRevC.72.064307
2005RI16 J.Phys.(London) G31, S1735 (2005) M.A.Riley, M.K.Djongolov, A.O.Evans, D.J.Hartley, R.V.F.Janssens, E.S.Paul, J.Simpson, A.A.Aguilar, D.E.Appelbe, C.R.Bingham, D.B.Campbell, M.P.Carpenter, P.Chowdhury, P.T.W.Choy, R.M.Clark, M.Cromaz, D.M.Cullen, M.Danchev, G.D.Dracoulis, P.Fallon, A.Gorgen, G.B.Hagemann, D.T.Joss, J.Goon, R.A.Kaye, T.L.Khoo, F.G.Kondev, R.W.Laird, K.Lagergren, T.Lauritsen, A.O.Macchiavelli, B.McClain, E.F.Moore, G.Mukherjee, E.Ngijoi-Yogo, P.J.Nolan, H.I.Park, A.Pipidis, L.L.Riedinger, G.Sletten, S.K.Tandel, P.M.Walker, D.Ward, I.Ragnarsson, F.Saric, J.Zhang Beyond band termination in 157Er and the search for wobbling excitations in strongly deformed 174Hf NUCLEAR REACTIONS 114Cd(48Ca, 5n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 157Er deduced high-spin levels, J, π, band termination features. Gammasphere array. NUCLEAR STRUCTURE 173,174Hf; analyzed superdeformed band transitions fractional Doppler shifts, transition quadrupole moments.
doi: 10.1088/0954-3899/31/10/064
2004EV01 Phys.Rev.Lett. 92, 252502 (2004) A.O.Evans, E.S.Paul, J.Simpson, M.A.Riley, D.E.Appelbe, D.B.Campbell, P.T.W.Choy, R.M.Clark, M.Cromaz, P.Fallon, A.Gorgen, D.T.Joss, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, A.Pipidis, D.Ward, I.Ragnarsson, F.Saric High-Spin Structure beyond Band Termination in 157Er NUCLEAR REACTIONS 114Cd(48Ca, 5n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 157Er deduced high-spin levels, J, π, configurations, feeding of band-terminating states. Gammasphere array, comparison with cranked mean-field calculations.
doi: 10.1103/PhysRevLett.92.252502
2003HO16 Phys.Rev. C 68, 034304 (2003) C.R.Hoffman, S.L.Tabor, M.W.Cooper, T.Baldwin, D.B.Campbell, C.Chandler, K.W.Kemper, J.Pavan, A.Pipidis, M.A.Riley, M.Wiedeking, B.A.Brown Structure of T=2 24Ne from 14C on 14C NUCLEAR REACTIONS 14C(14C, α), E=22 MeV; measured Eγ, Iγ, Eα, γγ-, αγ-coin. 24Ne deduced levels, J, π, configurations. Comparison with shell model predictions, level systematics in neighboring isotopes.
doi: 10.1103/PhysRevC.68.034304
2002CO11 Phys.Rev. C65, 051302 (2002) M.W.Cooper, S.L.Tabor, T.Baldwin, D.B.Campbell, C.Chandler, C.R.Hoffman, K.W.Kemper, J.Pavan, A.Pipidis, M.A.Riley, M.Wiedeking T = 5/2 27Na from 14C + 14C, and the N = 16 Shell Gap NUCLEAR REACTIONS 14C(14C, p), E=22 MeV; measured Eγ, Iγ, Ep, γγ-, (charged particle)γ-coin. 27Na deduced levels, J, π, configurations. Shell model analysis.
doi: 10.1103/PhysRevC.65.051302
2002TA10 Yad.Fiz. 65, 745 (2002); Phys.Atomic Nuclei 65, 713 (2002) S.L.Tabor, M.W.Cooper, D.B.Campbell, C.Chandler, K.W.Kemper, A.Pipidis, M.A.Riley, M.Wiedeking, I.Ragnarsson Structure of Neutron-Rich s-d Shell Nuclei NUCLEAR REACTIONS 14C(14C, 2n), (14C, p), (14C, α), E=22 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 26Mg, 27Na, 24Ne deduced levels, J, π. Comparison with shell model results.
doi: 10.1134/1.1471279
2001CO05 Nucl.Phys. A682, 131c (2001) M.W.Cooper, D.B.Campbell, C.Chandler, K.W.Kemper, A.Pipidis, I.Ragnarsson, M.A.Riley, M.Wiedeking, S.L.Tabor New γ Transitions in 27Na from 14C on 14C NUCLEAR REACTIONS 14C(14C, p), E=22 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. 27Na deduced levels, J, π. Comparison with shell model.
doi: 10.1016/S0375-9474(00)00631-X
2000SI26 Phys.Rev. C62, 024321 (2000) J.Simpson, A.P.Bagshaw, A.Pipidis, M.A.Riley, M.A.Bentley, D.M.Cullen, P.J.Dagnall, G.B.Hagemann, S.L.King, R.W.Laird, J.C.Lisle, S.Shepherd, A.G.Smith, S.Tormanen, A.V.Afanasjev, I.Ragnarsson Discrete Line γ-Ray Spectroscopy in the (50-60) (h-bar) Spin Domain of 161, 162Er NUCLEAR REACTIONS 130Te(36S, 4n), (36S, 5n), E=170 MeV; measured Eγ, Iγ, γγ-coin. 161,162Er deduced high-spin levels, J, π, configurations, unpaired band crossings. Euroball array, cranked mean-field calculations.
doi: 10.1103/PhysRevC.62.024321
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