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NSR database version of May 22, 2024.

Search: Author = C.Bahri

Found 30 matches.

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2020DY01      Phys.Rev.Lett. 124, 042501 (2020)

T.Dytrych, K.D.Launey, J.P.Draayer, D.J.Rowe, J.L.Wood, G.Rosensteel, C.Bahri, D.Langr, R.B.Baker

Physics of Nuclei: Key Role of an Emergent Symmetry

NUCLEAR STRUCTURE 6Li, 8He, 20Ne; calculated excitation energies of the ground-state rotational band using first-principles of nuclear structure that the special nature of the strong nuclear force determines highly regular patterns unrecognized in nuclei that can be tied to an emergent approximate sy mmetry.

doi: 10.1103/PhysRevLett.124.042501
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2017DR03      Phys.Rev. C 95, 044312 (2017)

A.C.Dreyfuss, K.D.Launey, T.Dytrych, J.P.Draayer, R.B.Baker, C.M.Deibel, C.Bahri

Understanding emergent collectivity and clustering in nuclei from a symmetry-based no-core shell-model perspective

NUCLEAR STRUCTURE 12C; calculated levels, J, π, basis states, probability distribution for excitations of lowest 0+ and 4+ states, B(E2), M(E0), Hoyle state. 12C, 16,20O, 20,22Mg, 20,22Ne; calculated energies and B(E2) of first excited 0+ state, EGMR, and the lowest excited 2+ state. Symmetry-based no-core symplectic shell model (NCSpM) calculations for ground-state rotational band, the Hoyle state, and its 2+ and 4+ excitations, and the giant monopole 0+ resonance. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.044312
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2014TO04      Phys.Rev. C 89, 034312 (2014)

G.K.Tobin, M.C.Ferriss, K.D.Launey, T.Dytrych, J.P.Draayer, A.C.Dreyfuss, C.Bahri

Symplectic no-core shell-model approach to intermediate-mass nuclei

NUCLEAR STRUCTURE 20O, 20,22,24Ne, 20,22Mg, 24Si; calculated levels, J, π, B(E2), matter rms radii, quadrupole moments, rotational bands, collective features, elongation β and γ asymmetric configurations. No-core symplectic shell model (NCSpM) with schematic effective many-nucleon long-range interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.034312
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2013DR10      Phys.Lett. B 727, 511 (2013)

A.C.Dreyfuss, K.D.Launey, T.Dytrych, J.P.Draayer, C.Bahri

Hoyle state and rotational features in Carbon-12 within a no-core shell-model framework

NUCLEAR STRUCTURE 12C; calculated point-particle rms matter radii and electric quadrupole moments, level energies, J, π, probability distributions of the ground and Hoyle states; deduced guidance for ab initio shell model calculations. No-core shell model.

doi: 10.1016/j.physletb.2013.10.048
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2012DR12      J.Phys.:Conf.Ser. 387, 012017 (2012)

J.P.Draayer, T.Dytrych, K.D.Launey, D.Langr, A.C.Dreyfuss, C.Bahri

Symmetry-Adopted Ab Initio Open Core Shell Model Theory

NUCLEAR STRUCTURE 12C; calculated levels, J, π, 2+1 TO ground state γ strength using NCSpM (no-core symplectic model). Compared with data.

doi: 10.1088/1742-6596/387/1/012017
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2008DR06      Int.J.Mod.Phys. E17, Supplement 1, 133 (2008)

J.P.Draayer, T.Dytrych, K.D.Sviratcheva, C.Bahri, J.P.Vary

Symplectic no-core shell model

NUCLEAR STRUCTURE 12C, 16O; calculated lowest excited states, J, π. Sympletic no-core shell model (Sp-NCSM).

doi: 10.1142/S0218301308011811
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2008DY01      J.Phys.(London) G35, 095101 (2008)

T.Dytrych, K.D.Sviratcheva, C.Bahri, J.P.Draayer, J.P.Vary

Highly deformed modes in the ab initio symplectic no-core shell model

NUCLEAR STRUCTURE 12C, 16O; calculated wavefunction of ground state rotational band; symplectic basis; deformed many-particle many-hole configurations; no-core shell model.

doi: 10.1088/0954-3899/35/9/095101
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2007DY01      Phys.Rev.Lett. 98, 162503 (2007)

T.Dytrych, Kristina D.Sviratcheva, C.Bahri, J.P.Draayer, J.P.Vary

Evidence for Symplectic Symmetry in Ab Initio No-Core Shell Model Results for Light Nuclei

NUCLEAR STRUCTURE 12C, 16O; calculated ground-state configurations; deduced symplectic symmetry. No-core shell model.

doi: 10.1103/PhysRevLett.98.162503
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2007DY02      Phys.Rev. C 76, 014315 (2007)

T.Dytrych, K.D.Sviratcheva, C.Bahri, J.P.Draayer, J.P.Vary

Dominant role of symplectic symmetry in ab initio no-core shell model results for light nuclei

NUCLEAR STRUCTURE 12C, 16O; calculated B(E2) within the framework of no-core shell model.

doi: 10.1103/PhysRevC.76.014315
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2006BA07      Int.J.Mod.Phys. E15, 101 (2006)

C.Bahri, Y.-A.Luo, J.P.Draayer

On the survival of the SD-pair shell model under pseudo-spin transformation

doi: 10.1142/S0218301306003928
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2005LU05      Phys.Rev. C 71, 044304 (2005)

Y.-A.Luo, F.Pan, C.Bahri, J.P.Draayer

SD-pair shell model and the interacting boson model

doi: 10.1103/PhysRevC.71.044304
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2005LU25      Int.J.Mod.Phys. E14, 1023 (2005)

Y.A.Luo, C.Bahri, F.Pan, V.G.Gueorguiev, J.P.Draayer

Intruder level and deformation in the SD-pair shell model

doi: 10.1142/S0218301305003764
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2005SU05      Phys.Rev. C 71, 034312 (2005)

A.Sulaksono, T.Mart, C.Bahri

Nilsson parameters κ and μ in relativistic mean field models

NUCLEAR STRUCTURE 208Pb, 132Sn, 40Ca; calculated single-particle energies, spin-orbit splitting, Nilsson parameters; deduced role of effective mass. Relativistic mean-field models, comparison with data.

doi: 10.1103/PhysRevC.71.034312
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2004BA32      Comput.Phys.Commun. 159, 121 (2004)

C.Bahri, D.J.Rowe, J.P.Draayer

Programs for generating Clebsch-Gordan coefficients of SU(3) in SU(2) and SO(3) bases

doi: 10.1016/j.cpc.2004.01.005
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2004SV03      Phys.Rev.Lett. 93, 152501 (2004)

K.D.Sviratcheva, C.Bahri, A.I.Georgieva, J.P.Draayer

Physical Significance of q Deformation and Many-Body Interactions in Nuclei

NUCLEAR STRUCTURE A=40-100; analyzed pairing correlations, quantum deformation.

doi: 10.1103/PhysRevLett.93.152501
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2002CA21      Nucl.Phys. A703, 167 (2002)

M.J.Carvalho, D.J.Rowe, S.Karram, C.Bahri

Optimal Basis States for a Microscopic Calculation of Intrinsic Vibrational Wave Functions of Deformed Rotational Nuclei

doi: 10.1016/S0375-9474(01)01458-0
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2000BA03      Nucl.Phys. A662, 125 (2000)

C.Bahri, D.J.Rowe

SU(3) Quasi-Dynamical Symmetry as an Organizational Mechanism for Generating Nuclear Rotational Motions

NUCLEAR STRUCTURE 166Er; calculated rotational band levels, J, B(E2), giant resonance features. SU(3) quasi-dynamical symmetry, phenomenological symplectic model.

doi: 10.1016/S0375-9474(99)00394-2
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2000RO02      Phys.Lett. 472B, 227 (2000)

D.J.Rowe, S.Bartlett, C.Bahri

Angular-Momentum Projection of Rotational Model Wave Functions

doi: 10.1016/S0370-2693(99)01448-3
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1998BA62      Phys.Rev. C58, 1539 (1998)

C.Bahri, D.J.Rowe, W.Wijesundera

Phase Transition in the Pairing-Plus-Quadrupole Model

doi: 10.1103/PhysRevC.58.1539
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1998ES05      Nucl.Phys. A633, 662 (1998)

J.Escher, C.Bahri, D.Troltenier, J.P.Draayer

Pairing-Plus-Quadrupole Model and Nuclear Deformation: A look at the spin-orbit interaction

doi: 10.1016/S0375-9474(98)00115-8
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1998RO16      Phys.Rev.Lett. 80, 4394 (1998)

D.J.Rowe, C.Bahri, W.Wijesundera

Exactly Solvable Model of a Superconducting to Rotational Phase Transition

doi: 10.1103/PhysRevLett.80.4394
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1997BL01      Nucl.Phys. A612, 163 (1997)

A.L.Blokhin, T.Beuschel, J.P.Draayer, C.Bahri

Pseudospin and Nuclear Deformation

doi: 10.1016/S0375-9474(96)00406-X
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1996TR02      Z.Phys. A354, 125 (1996)

D.Troltenier, C.Bahri, J.Escher, J.P.Draayer

Rare-Earth Nuclei and the Pseudo-SU(3) Model

NUCLEAR STRUCTURE 136Xe, 138Ba, 204Hg; calculated levels, B(λ), quadrupole moments, g(R) factors. Extended pseudo-SU(3) model.

doi: 10.1007/s002180050023
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1995BA68      Nucl.Phys. A592, 171 (1995)

C.Bahri, J.Escher, J.P.Draayer

Monopole-Pairing and Deformation in Atomic Nuclei

doi: 10.1016/0375-9474(95)00292-9
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1995BL18      Phys.Rev.Lett. 74, 4149 (1995)

A.L.Blokhin, C.Bahri, J.P.Draayer

Origin of Pseudospin Symmetry

NUCLEAR STRUCTURE 208Pb; calculated nucleon central, spin-orbit potentials, localized estimates. Many particle operator, mean field, many particle estimates.

doi: 10.1103/PhysRevLett.74.4149
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1995NA10      Z.Phys. A351, 259 (1995)

H.A.Naqvi, C.Bahri, D.Troltenier, J.P.Draayer, A.Faessler

Algebraic Realization of the Quantum Rotor-Odd-A Nuclei

NUCLEAR STRUCTURE 25Mg; calculated normal SU(3) symmetry eigenvalues. 159Dy, 165Er; calculated pseudo-SU(3) symmetry eigenvalues. Quantum rotor algebraic realizations. 23Na; calculated eigenstates. Algebraic realization of the many-particle Nilsson model.

doi: 10.1007/BF01290907
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1995TR01      Nucl.Phys. A586, 53 (1995)

D.Troltenier, C.Bahri, J.P.Draayer

Generalized Pseudo-SU(3) Model and Pairing

doi: 10.1016/0375-9474(94)00518-R
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1995TR04      Nucl.Phys. A589, 75 (1995)

D.Troltenier, C.Bahri, J.P.Draayer

Effects of Pairing in the Pseudo-SU(3) Model

NUCLEAR STRUCTURE 140Ce; calculated levels. Pseudo-SU(3) model.

doi: 10.1016/0375-9474(95)00078-F
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1992BA75      Phys.Rev.Lett. 68, 2133 (1992)

C.Bahri, J.P.Draayer, S.A.Moszkowski

Pseudospin Symmetry in Nuclear Physics

doi: 10.1103/PhysRevLett.68.2133
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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
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