NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = D.Almehed Found 24 matches. 2011AL12 Phys.Rev. C 83, 054308 (2011) D.Almehed, F.Donau, S.Frauendorf Chiral vibrations in the A=135 region NUCLEAR STRUCTURE 130Cs, 130,132,134La, 134Pr, 136Pm, 138Eu, 140Tb; calculated deformation parameters and tilt angles, energy splittings between chiral partner bands in the rotating frame, potential energy surface for 134Pr, B(M1), B(E2). Random-phase approximation (RPA) plus self-consistent tilted axis cranking (TAC) formalism.
doi: 10.1103/PhysRevC.83.054308
2011TI10 Phys.Rev. C 84, 044302 (2011) J.Timar, K.Starosta, I.Kuti, D.Sohler, D.B.Fossan, T.Koike, E.S.Paul, A.J.Boston, H.J.Chantler, M.Descovich, R.M.Clark, M.Cromaz, P.Fallon, I.Y.Lee, A.O.Macchiavelli, C.J.Chiara, R.Wadsworth, A.A.Hecht, D.Almehed, S.Frauendorf Medium- and high-spin band structure of the chiral-candidate nucleus 134Pr NUCLEAR REACTIONS 116Cd(23Na, 5n), E=115 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ) DCO ratios using GAMMASPHERE array. 134Pr; deduced levels, J, π, conversion coefficients, multipolarity, bands, alignments, signature splittings, configurations, B(M1)/B(E2) ratios; calculated Routhians. Comparison with total Routhian surface (TRS) and tilted-axis cranking calculations.
doi: 10.1103/PhysRevC.84.044302
2009HA15 Acta Phys.Pol. B40, 523 (2009) J.H.Hamilton, Y.X.Luo, S.J.Zhu, J.O.Rasmussen, A.V.Ramayya, C.Goodin, K.Li, J.K.Hwang, S.Liu, D.Almehed, S.Frauendorf, V.Dimitrov, Jing-ye Zhang, X.L.Che, Z.Jang, I.Stefanescu, A.Gelberg, G.M.Ter-Akopian, A.V.Daniel, I.Y.Lee, H.-B.Ding, R.Q.Xu, J.-G.Wang, Q.Xu, M.A.Stoyer, R.Donangelo, N.J.Stone New Band Structures in Neutron-Rich Mo and Ru Isotopes
2009LU01 Phys.Lett. B 670, 307 (2009); Erratum Phys.Lett. B 691, 285 (2010) Y.X.Luo, S.J.Zhu, J.H.Hamilton, J.O.Rasmussen, A.V.Ramayya, C.Goodin, K.Li, J.K.Hwang, D.Almehed, S.Frauendorf, V.Dimitrov, Jing-ye Zhang, X.L.Che, Z.Jang, I.Stefanescu, A.Gelberg, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, J.D.Cole, N.J.Stone Evolution of chirality from γ soft 108Ru to triaxial 110, 112Ru RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 108,110,112Ru; deduced levels, J, π, rotational bands, B(E2)/B(M1). Tilted axis cranking and RPA calculations.
doi: 10.1016/j.physletb.2008.10.067
2008MU18 Phys.Rev. C 78, 034311 (2008) S.Mukhopadhyay, D.Almehed, U.Garg, S.Frauendorf, T.Li, P.V.Madhusudhana Rao, X.Wang, S.S.Ghugre, M.P.Carpenter, S.Gros, A.Hecht, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, D.Seweryniak, S.Zhu Electromagnetic transition rates in high-spin bands in 136Nd NUCLEAR REACTIONS 100Mo(40Ar, 4nγ), E=175 MeV; measured Eγ, Iγ, γγ-coin, half-lives using doppler shift attenuation method. 136Nd; deduced levels, J, π, bands, transition quadrupole moments, B(M1), B(E2), configurations. Comparisons with random phase approximations and tilted-axis cranking models.
doi: 10.1103/PhysRevC.78.034311
2008RA06 Phys.Rev. C 77, 024305 (2008); Erratum Phys.Rev. C 78, 049901 (2008) S.Ray, N.S.Pattabiraman, Krishichayan, A.Chakraborty, S.Mukhopadhyay, S.S.Ghugre, S.N.Chintalapudi, A.K.Sinha, U.Garg, S.Zhu, B.Kharraja, D.Almehed Level structure of 103Ag at high spin NUCLEAR REACTIONS 72Ge(35Cl, 2n2pγ), E=135 MeV; measured Eγ, Iγ, γγ-coin, angular distributions, half-lives; deduced level energies, J, π, B(M1), B(E2), configurations, existence of magnetic dipole bands.
doi: 10.1103/PhysRevC.77.024305
2007MU14 Phys.Rev.Lett. 99, 172501 (2007) S.Mukhopadhyay, D.Almehed, U.Garg, S.Frauendorf, T.Li, P.V.Madhusudhana Rao, X.Wang, S.S.Ghugre, M.P.Carpenter, S.Gros, A.Hecht, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, D.Seweryniak, S.Zhu From Chiral Vibration to Static Chirality in 135Nd NUCLEAR REACTIONS 100Mo(40Ar, 5n), E=175 MeV; measured Eγ, Iγ, lifetimes. 135Nd deduced B(M1), B(E2).
doi: 10.1103/PhysRevLett.99.172501
2007ST27 Nucl.Phys. A788, 343c (2007) P.D.Stevenson, D.Almehed, P.-G.Reinhard, J.A.Maruhn Monopole Giant Resonances and TDHF boundary conditions
doi: 10.1016/j.nuclphysa.2007.01.091
2006AL30 Phys.Scr. T125, 139 (2006) D.Almehed, R.G.Nazmitdinov, F.Donau Vibrational excitations and tilted rotation in 163Lu NUCLEAR STRUCTURE 163Lu; calculated triaxial superdeformed band energies, pair correlations, B(E2) ratios. Microscopic self-consistent model.
doi: 10.1088/0031-8949/2006/T125/032
2005AL39 J.Phys.(London) G31, S1523 (2005) Large amplitude collective motion and the structure of low-lying states in 68Se NUCLEAR STRUCTURE 68Se; calculated collective states energy vs deformation and angular momentum.
doi: 10.1088/0954-3899/31/10/024
2005AL41 J.Phys.(London) G31, S1819 (2005) Isovector giant monopole resonances in spherical nuclei NUCLEAR STRUCTURE 90Zr, 100,120,132Sn, 140Ce, 208Pb; calculated isovector giant monopole resonance energies, energy-dependent mixing with isoscalar resonance. Time-dependent Hartree-Fock method, Skyrme forces.
doi: 10.1088/0954-3899/31/10/079
2005CU05 J.Phys.(London) G31, S1709 (2005) D.M.Cullen, R.Glover, L.K.Pattison, P.M.Walker, S.Frauendorf, D.Almehed Nuclear-tidal waves in the osmium nuclei NUCLEAR REACTIONS 150Nd(36S, 3n), (36S, 5n), E not given; measured prompt and delayed Eγ, Iγ, γγ-coin. 181,183Os deduced levels, J, π, configurations. Comparison with tilted axis cranking model predictions.
doi: 10.1088/0954-3899/31/10/059
2004AL02 Phys.Rev. C 69, 024302 (2004) Towards a practical approach for self-consistent large amplitude collective motion NUCLEAR STRUCTURE 54Cr, 58Fe, 62,66,70Zn, 156Gd, 182Os; calculated large-amplitude collective states energies, pairing strengths, quadrupole moments, related features. Self-consistent approach, state-dependent basis operators.
doi: 10.1103/PhysRevC.69.024302
2004AL31 Phys.Lett. B 604, 163 (2004) Shape coexistence in 72Kr at finite angular momentum NUCLEAR STRUCTURE 72Kr; calculated energies, deformation, wave functions for large-amplitude collective motion, shape coexistence features.
doi: 10.1016/j.physletb.2004.10.054
2003AL22 J.Phys.(London) G29, 2193 (2003) D.Almehed, F.Donau, R.G.Nazmitdinov Quadrupole correlations and inertial properties of rotating nuclei
doi: 10.1088/0954-3899/29/9/314
2003AL37 Acta Phys.Pol. B34, 2227 (2003) Self-consistent theory of large amplitude collective motion NUCLEAR STRUCTURE 58Fe; calculated energies, multipole moments associated with large-amplitude collective motion. RPA approach.
2003PA39 Phys.Rev.Lett. 91, 182501 (2003) L.K.Pattison, D.M.Cullen, J.F.Smith, A.M.Fletcher, P.M.Walker, H.M.El-Masri, Zs.Podolyak, R.J.Wood, C.Scholey, C.Wheldon, G.Mukherjee, D.Balabanski, M.Djongolov, Th.Dalsgaard, H.Thisgaard, G.Sletten, F.Kondev, D.Jenkins, G.J.Lane, I.-Y.Lee, A.O.Macchiavelli, S.Frauendorf, D.Almehed Multiphonon Vibrations at High Angular Momentum in 182Os NUCLEAR REACTIONS 150Nd(36S, 4n), E not given; measured prompt and delayed Eγ, Iγ, γγ-coin. 182Os deduced high-spin levels, J, π, B(M1)/B(E2), multiphonon vibration. Gammasphere array, shell-corrected tilted-axis cranking calculations.
doi: 10.1103/PhysRevLett.91.182501
2002NA10 Phys.Rev. C65, 041307 (2002) R.G.Nazmitdinov, D.Almehed, F.Donau Dynamical Moment of Inertia and Quadrupole Vibrations in Rotating Nuclei NUCLEAR STRUCTURE 20Ne, 64Ge; calculated moments of inertia; deduced role of quantum shape fluctuations. Self-consistent one-dimensional cranking oscillator model.
doi: 10.1103/PhysRevC.65.041307
2001AL12 Phys.Rev. C63, 044311 (2001) D.Almehed, S.Frauendorf, F.Donau Pairing Correlations in High-K Bands NUCLEAR STRUCTURE 178W; calculated high-K rotational bands configurations, Routhians; deduced role of dynamical pairing correlations. Tilted-axis cranking, RPA.
doi: 10.1103/PhysRevC.63.044311
2001AL30 Yad.Fiz. 64, No 6, 1151 (2001); Phys.Atomic Nuclei 64, 1076 (2001) D.Almehed, F.Donau, R.G.Nazmitdinov Quantum Correlations in Rotating Nuclei
doi: 10.1134/1.1383620
2001BA04 Phys.Rev.Lett. 86, 604 (2001) D.L.Balabanski, K.Vyvey, G.Neyens, N.Coulier, R.Coussement, G.Georgiev, A.Lepine-Szily, S.Ternier, S.Teughels, M.Mineva, P.M.Walker, P.Blaha, D.Almehed, S.Frauendorf Static Quadrupole Moment of the Five-Quasiparticle K = 35/2 Isomer in 179W Studied with the Level-Mixing Spectroscopy Method NUCLEAR REACTIONS 170Er(13C, 4n), E=63 MeV; measured delayed Eγ, Iγ(H, t) following implantation in Pt. 179W deduced high-spin isomer quadrupole moment, deformation. Level-mixing spectroscopy method.
doi: 10.1103/PhysRevLett.86.604
2001BA86 Acta Phys.Pol. B32, 2655 (2001) D.L.Balabanski, K.Vyvey, G.Neyens, D.Almehed, P.Blaha, D.Borremans, S.Chmel, N.Coulier, R.Coussement, W.De Clercq, S.Frauendorf, G.Georgiev, H.Hubel, A.Lepine-Szily, M.Mineva, N.Nenoff, S.Pancholi, D.Rossbach, R.Schwengner, S.Teughels, P.M.Walker Quadrupole Moments of High-Spin Isomers: Test of the tilted-axis cranking model NUCLEAR REACTIONS 170Er(13C, 4n), E=63 MeV; Re(14N, xn)196Pb, E not given; measured Eγ, Iγ(θ, H, t). 179W, 196Pb deduced quadrupole moments for high-spin isomers. Level-mixing spectroscopy technique. Comparison with tilted-axis cranking predictions.
2000AL32 Phys.Scr. T88, 62 (2000) D.Almehed, F.Donau, S.Frauendorf, R.G.Nazmitdinov Particle Number Projection and Pairing-RPA Calculations in Rotating Nuclei NUCLEAR STRUCTURE 178W; calculated dynamical pairing correlations, level energies, angular momenta vs angular frequency. Tilted axis cranking, RPA, particle number projection.
doi: 10.1238/Physica.Topical.088a00062
1999DO14 Phys.Rev.Lett. 83, 280 (1999) F.Donau, D.Almehed, R.G.Nazmitdinov Integral Representation of the Random-Phase Approximation Correlation Energy NUCLEAR STRUCTURE 178W; calculated ground-state rotational band Routhian. Contour integral for RPA correlation energy.
doi: 10.1103/PhysRevLett.83.280
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