NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of May 22, 2024.

Search: Author = D.Almehed

Found 24 matches.

Back to query form



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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2005AL39      J.Phys.(London) G31, S1523 (2005)

D.Almehed, N.R.Walet

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
Citations: PlumX Metrics


2005AL41      J.Phys.(London) G31, S1819 (2005)

D.Almehed, P.D.Stevenson

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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2004AL02      Phys.Rev. C 69, 024302 (2004)

D.Almehed, N.R.Walet

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
Citations: PlumX Metrics


2004AL31      Phys.Lett. B 604, 163 (2004)

D.Almehed, N.R.Walet

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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2003AL37      Acta Phys.Pol. B34, 2227 (2003)

D.Almehed, N.R.Walet

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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


Back to query form