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NSR database version of April 11, 2024.

Search: Author = O.Castanos

Found 23 matches.

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2012CA42      J.Phys.:Conf.Ser. 387, 012021 (2012)

O.Castanos, R.Lopez-Pena, E.Nahmad-Achar, J.G.Hirsch

Quantum phase transitions in the LMG model by means of quantum information concepts

doi: 10.1088/1742-6596/387/1/012021
Citations: PlumX Metrics


2005PA23      Phys.Rev.Lett. 94, 122501 (2005)

E.Padilla-Rodal, A.Galindo-Uribarri, C.Baktash, J.C.Batchelder, J.R.Beene, R.Bijker, B.A.Brown, O.Castanos, B.Fuentes, J.Gomez del Campo, P.A.Hausladen, Y.Larochelle, A.F.Lisetskiy, P.E.Mueller, D.C.Radford, D.W.Stracener, J.P.Urrego, R.L.Varner, C.-H.Yu

B(E2)↑ Measurements for Radioactive Neutron-Rich Ge Isotopes: Reaching the N=50 Closed Shell

NUCLEAR REACTIONS C(78Ge, 78Ge'), (80Ge, 80Ge'), E=2.24 MeV/nucleon; 48Ti(82Ge, 82Ge'), E=220 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 78,80,82Ge deduced excitation B(E2). Systematic trends in B(E2) values discussed.

doi: 10.1103/PhysRevLett.94.122501
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2002HI06      Phys.Lett. 534B, 57 (2002)

J.G.Hirsch, O.Castanos, P.O.Hess, O.Civitarese

Selection Rules in the ββ Decay of Deformed Nuclei

RADIOACTIVITY 154Sm, 160Gd, 170Er, 176Yb, 232Th, 244Pu(2β-); calculated 2ν- and 0ν-accompanied 2β-decay T1/2, deformation effects.

doi: 10.1016/S0370-2693(02)01593-9
Citations: PlumX Metrics


2002HI09      Czech.J.Phys. 52, 513 (2002)

J.G.Hirsch, O.Castanos, P.O.Hess, V.E.Ceron, O.Civitarese

Double-Beta Decay in Deformed Nuclei

RADIOACTIVITY 146,148,150Nd, 160Gd, 186W, 192Os, 238U(2β-); 156Dy, 162Er, 168Yb(2EC); calculated 0ν- and 2ν-accompanied 2β-decay T1/2. Pseudo-SU(3) model, deformed nuclei.

doi: 10.1023/A:1015357210178
Citations: PlumX Metrics


2002HI12      Phys.Rev. C66, 015502 (2002)

J.G.Hirsch, O.Castanos, P.O.Hess, O.Civitarese

Theoretical Description of Double β Decay of 160Gd

RADIOACTIVITY 160Gd(2β-); calculated 0ν- and 2ν-accompanied 2β decay matrix elements, T1/2. Pseudo-SU(3) model with pairing interaction.

doi: 10.1103/PhysRevC.66.015502
Citations: PlumX Metrics


1996LO22      Phys.Rev. C54, 2374 (1996)

E.Lopez-Moreno, O.Castanos

Shapes and Stability within the Interacting Boson Model: Dynamical symmetries

doi: 10.1103/PhysRevC.54.2374
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1995GO14      Nucl.Phys. A589, 267 (1995); Erratum Nucl.Phys. A594, 483 (1995)

A.Gomez, O.Castanos, A.Frank

Description of Some Chains of Isotopes and Isotones in the Interacting-Boson Approximation

NUCLEAR STRUCTURE 144,146Ba, 146,148Ce, 148,150Nd, 150,152Sm, 152,154Gd, 154,156Dy, 156,158Er, 158,160Yb; calculated levels, B(λ). Effective interacting boson approximation, Sm, U, Pt, Os, Ru isotopes included.

doi: 10.1016/0375-9474(95)00073-A
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1995HI01      Nucl.Phys. A582, 124 (1995)

J.G.Hirsch, O.Castanos, P.O.Hess

Neutrinoless Double Beta Decay in Heavy Deformed Nuclei

RADIOACTIVITY 150,148,146Nd, 186W, 192Os, 238U(2β); calculated 0ν-accompanied 2β-decay T1/2, matrix element. Pseudo-SU(3) model.

doi: 10.1016/0375-9474(94)00464-X
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1995HI04      Phys.Rev. C51, 2252 (1995)

J.G.Hirsch, O.Castanos, P.O.Hess, O.Civitarese

Double-Beta Decay of 100Mo: The deformed limit

RADIOACTIVITY 100Mo(2β); calculated 2ν-accompanied 2β-decay matrix elements. Pseudo-SU(3) scheme.

doi: 10.1103/PhysRevC.51.2252
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1995HI11      Nucl.Phys. A589, 445 (1995)

J.G.Hirsch, O.Castanos, P.O.Hess, O.Civitarese

Double-Beta Decay to Excited States in 150Nd

NUCLEAR STRUCTURE 150Sm; calculated levels, B(λ). Pseudo SU(3) model.

RADIOACTIVITY 150Nd(2β); calculated 2ν-accompanied 2β-decay T1/2, Gamow-Teller matrix elements. Pseudo SU(3) model.

doi: 10.1016/0375-9474(95)00090-N
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1994CA10      Nucl.Phys. A571, 276 (1994)

O.Castanos, J.G.Hirsch, O.Civitarese, P.O.Hess

Double-Beta Decay in the Pseudo SU(3) Scheme

RADIOACTIVITY 146,148,150Nd, 186W, 192Os, 238U(2β); calculated 2ν-accompanied 2β-decay T1/2. Pseudo SU(3) scheme.

doi: 10.1016/0375-9474(94)90062-0
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1994TR09      Nucl.Phys. A576, 351 (1994)

D.Troltenier, J.P.Draayer, P.O.Hess, O.Castanos

Investigations of Rotational Nuclei via the Pseudo-Symplectic Model

NUCLEAR STRUCTURE 160Dy, 168Er, 234,236,238U; calculated levels, B(λ), static quadrupole moments; deduced model limiting features. Pseudo-symplectic theory, review.

doi: 10.1016/0375-9474(94)90249-6
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1992CA07      Phys.Lett. 277B, 27 (1992)

O.Castanos, P.O.Hess, J.P.Draayer, P.Rochford

Microscopic Interpretation of Potential Energy Surfaces

NUCLEAR STRUCTURE 238U; calculated potential energy surfaces. Geometric collective model, microscopic approach, other models comparison.

doi: 10.1016/0370-2693(92)90951-Y
Citations: PlumX Metrics


1991CA08      Nucl.Phys. A524, 469 (1991)

O.Castanos, P.O.Hess, J.P.Draayer, P.Rochford

Pseudo-Symplectic Model for Strongly Deformed Heavy Nuclei

NUCLEAR STRUCTURE 238U; calculated levels, B(E2). Pseudo-symplectic model.

doi: 10.1016/0375-9474(91)90280-J
Citations: PlumX Metrics


1990BA08      Phys.Lett. 234B, 430 (1990)

C.Bahri, J.P.Draayer, O.Castanos, G.Rosensteel

Resonant Modes in Light Nuclei

NUCLEAR STRUCTURE 24Mg; calculated levels, B(λ); deduced giant quadrupole resonance features.

doi: 10.1016/0370-2693(90)92034-G
Citations: PlumX Metrics


1989CA05      Nucl.Phys. A491, 349 (1989)

O.Castanos, J.P.Draayer

Contracted Symplectic Model with ds-Shell Applications

NUCLEAR STRUCTURE 20,22Ne, 24Mg; calculated levels, B(λ). Contracted symplectic model.

doi: 10.1016/0375-9474(89)90572-1
Citations: PlumX Metrics


1989DR01      Phys.Rev.Lett. 62, 20 (1989)

J.P.Draayer, S.C.Park, O.Castanos

Shell-Model Interpretation of the Collective-Model Potential-Energy Surface

NUCLEAR STRUCTURE 24Mg; calculated levels, B(λ). Shell, collective models.

doi: 10.1103/PhysRevLett.62.20
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1988CA01      Z.Phys. A329, 33 (1988)

O.Castanos, J.P.Draayer, Y.Leschber

Shape Variables and the Shell Model

NUCLEAR STRUCTURE 24Mg, 168Er; calculated levels, J, π. Shell model, shape variables.


1987CA28      Nucl.Phys. A473, 494 (1987)

O.Castanos, J.P.Draayer, Y.Leschber

Collective 1+ States in Rare Earth and Actinide Nuclei

NUCLEAR STRUCTURE 152,154,156,158,160Gd, 156,158,160,164,166,168,170Er, 234,236,238,240U, 236,238,240,242Pu; calculated ground band level μ. 154Sm, 156,158,160Gd, 164Dy, 168Er, 174Yb, 232Th, 238,234,236,240U, 242Pu; calculated interband B(M1). Deformed nuclei, shell model.

doi: 10.1016/0375-9474(87)90137-0
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1987CA31      Ann.Phys.(New York) 180, 290 (1987)

O.Castanos, J.P.Draayer, Y.Leschber

Towards a Shell-Model Description of the Low-Energy Structure of Deformed Nuclei II. Electromagnetic Properties of Collective M1 Bands

NUCLEAR STRUCTURE 154Sm, 156,160Gd, 164Dy, 168Er, 174Yb, 232Th, 234,236,238,240U, 242Pu; calculated levels, δ, B(λ). Shell model, deformed nuclei.

doi: 10.1016/0003-4916(87)90047-9
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1982CA07      Nucl.Phys. A379, 61 (1982)

O.Castanos, P.Federman, A.Frank, S.Pittel

Study of the Effective Hamiltonian Interacting Boson Approximation

NUCLEAR STRUCTURE 120,122,124,126,128,130,132Xe, 122,124,126,128,130,132,134Ba, 148,150,152,154,156,158Sm, 230,232,234,236,238U; calculated levels. Interacting boson approximation, effective Hamiltonians.

doi: 10.1016/0375-9474(82)90556-5
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1981CA09      J.Phys.(London) G7, 1483 (1981)

O.Castanos, A.Frank

A Simple Model for Nuclear Molecules

NUCLEAR REACTIONS 12C(12C, 12C), E(cm)=5-15 MeV; calculated σ(θ) vs E; deduced molecular state character of intermediate structure. Collective Hamiltonian, intrinsic, relative motion coupling potentials.

doi: 10.1088/0305-4616/7/11/008
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1979CA14      Phys.Lett. 88B, 203 (1979)

O.Castanos, A.Frank, P.Federman

The Shape Transition in the Sm Isotopes and the Structure of the IBA Hamiltonian

NUCLEAR STRUCTURE 146,148,150,152,154,156Sm; calculated energy levels. Interacting boson approximation model, S, d-shell, general Hamiltonian.

doi: 10.1016/0370-2693(79)90448-9
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