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Search: Author = R.Nojarov

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1997NO01      Nucl.Phys. A613, 25 (1997)

R.Nojarov, M.Dingfelder

Spin Response to Backward (e, e') Scattering from Heavy Deformed Nuclei

NUCLEAR REACTIONS ¹⁵⁸Gd(e, e'), E not given; calculated σ(θ); deduced M1, E2 response characteristics. DWBA, quasiparticle RPA approaches.

NUCLEAR STRUCTURE ¹⁵⁸Gd; calculated B(M1) vs excitation energy, transition densities. Quasiparticle RPA.

doi: 10.1016/S0375-9474(96)00422-8
Citations: PlumX Metrics

1997SA16      Z.Phys. A357, 143 (1997)

P.Sarriguren, E.Moya de Guerra, R.Nojarov

Test of Three-Body Contact Skyrme Forces with Spin Excitations in Deformed Nuclei

NUCLEAR STRUCTURE ¹⁶⁸Er, ¹⁵⁸Gd, ¹⁵⁴Sm; calculated levels, B(M1) strength distribution. Hartree-Fock+RPA, three-body contact Skyrme forces.

doi: 10.1007/s002180050229
Citations: PlumX Metrics

1997UD01      J.Phys.(London) G23, 1673 (1997)

J.M.Udias, R.Nojarov, A.Faessler

M1 (e, e') Excitations in ³⁰Si and ³²S from the Quasiparticle Random-Phase Approximation

NUCLEAR REACTIONS ³⁰Si, ³²S(e, e'), E=20-100 MeV; analyzed σ(θ). DWBA analysis, QRPA calculations.

NUCLEAR STRUCTURE ³⁰Si, ³²S; calculated M1 spectra, transition densities. QRPA calculations, Woods-Saxon potential, comparison with shell model.

doi: 10.1088/0954-3899/23/11/015
Citations: PlumX Metrics

1996NO01      Nucl.Phys. A598, 82 (1996)

R.Nojarov, A.Faessler, M.Dingfelder

Angular and Energy Dependence of (e, e') Cross Sections for Orbital 1⁺ Excitations

NUCLEAR REACTIONS ¹⁵⁶Gd(e, e'), E < 210 MeV; analyzed σ(θ); deduced M1 response characteristics. RPA, DWBA analysis.

doi: 10.1016/0375-9474(95)00499-8
Citations: PlumX Metrics

1996NO04      Phys.Rev. C54, 668 (1996)

R.Nojarov

Evidence for a Weaker Isovector Potential

NUCLEAR STRUCTURE ³⁰Si, ¹⁵⁸Gd, ²⁰⁸Pb; calculated potential asymmetry energy; deduced weak isovector potential related features.

doi: 10.1103/PhysRevC.54.668
Citations: PlumX Metrics

1996NO05      Nucl.Phys. A600, 335 (1996)

R.Nojarov, A.Faessler, M.Dingfelder

Orbital Response to Backward (e, e') Scattering at Low and High Excitation Energies

NUCLEAR STRUCTURE ¹⁵⁴Sm; calculated levels, B(λ), transition densities. RPA.

NUCLEAR REACTIONS ¹⁵⁴Sm(e, e'), E not given; calculated σ(θ). Plane wave, DWBA approaches, RPA transition densities.

doi: 10.1016/0375-9474(96)00031-0
Citations: PlumX Metrics

1996NO09      Int.J.Mod.Phys. E5, 497 (1996)

R.Nojarov

An Alleged Distorted Rotation

NUCLEAR STRUCTURE ¹⁶⁸Er; calculated B(M1) associated model parameters; deduced giant angle dipole model shortcomings.

doi: 10.1142/S0218301396000244
Citations: PlumX Metrics

1996SA16      Phys.Rev. C54, 690 (1996)

P.Sarriguren, E.Moya de Guerra, R.Nojarov

Spin M1 Excitations in Deformed Nuclei from Self-Consistent Hartree-Fock Plus Random-Phase Approximation

NUCLEAR STRUCTURE ^146,148,150Nd, ^150,152,154Sm, ^156,158,160Gd, ^160,162,164Dy, ^166,168,170Er, ^172,174,176Yb, ^182,184,186W, ²³²Th, ^236,238U; calculated intrinsic quadrupole moments, rms radii, B(λ). Self-consistent Hartree-Fock plus RPA.

doi: 10.1103/PhysRevC.54.690
Citations: PlumX Metrics

1995NO03      Phys.Rev. C51, 2449 (1995)

R.Nojarov, A.Faessler, M.Dingfelder

High-Energy Scissors Mode

NUCLEAR STRUCTURE ¹⁶⁰Gd; calculated B(λ) distribution; deduced scissors mode related features.

NUCLEAR REACTIONS ¹⁶⁰Gd(e, e'), E=25-125 MeV; calculated σ(θ) vs E; deduced E2, M1 excitations relative importance.

doi: 10.1103/PhysRevC.51.2449
Citations: PlumX Metrics

1995NO07      Phys.Rev. C52, 3259 (1995)

R.Nojarov, A.Faessler, M.Dingfelder

Competing Electric and Magnetic Excitations in Backward Electron Scattering from Heavy Deformed Nuclei

NUCLEAR STRUCTURE ¹⁵⁴Sm, ^154,156,158Gd, ¹⁶⁸Er; calculated B(λ), transition densities. Quasiparticle RPA.

NUCLEAR REACTIONS ¹⁵⁴Sm, ^154,156,158Gd, ¹⁶⁸Er(e, e'), E not given; calculated σ(θ). DWBA, PWBA, quasiparticle RPA.

doi: 10.1103/PhysRevC.52.3259
Citations: PlumX Metrics

1994NO01      Phys.Rev. C49, 213 (1994)

R.Nojarov, A.Faessler

Exclusion of Spuriosity through Effective Operators

NUCLEAR STRUCTURE ¹⁶⁸Er; calculated levels, B(λ). Woods-Saxon potential plus pairing, effective operators, spuriosity exclusion.

doi: 10.1103/PhysRevC.49.213
Citations: PlumX Metrics

1994NO02      Nucl.Phys. A571, 93 (1994)

R.Nojarov

Isovector Rotational Model

NUCLEAR STRUCTURE ¹⁶⁸Er; calculated neutron, proton quadrupole moments, moment of inertia, isovector rotational mode energies, B(λ). Isovector rotational model, canonical quantization, conjugate angle operator, relative angular momentum, scissors mode, self-consistent interactions.

doi: 10.1016/0375-9474(94)90343-3
Citations: PlumX Metrics

1994NO03      Nucl.Phys. A572, 17 (1994)

R.Nojarov, A.Faessler

Promotion of the Scissors Motion by Consistent Interactions

doi: 10.1016/0375-9474(94)90418-9
Citations: PlumX Metrics

1994NO09      J.Phys.(London) G20, L111 (1994)

R.Nojarov, A.Faessler, M.Dingfelder

Interplay between Magnetic and Electric Excitations for Backward Electron Scattering

NUCLEAR STRUCTURE ¹⁵⁶Gd; calculated B(M1). Quasiparticle RPA.

NUCLEAR REACTIONS ¹⁵⁶Gd(e, e'), E not given; calculated σ(θ).

doi: 10.1088/0954-3899/20/10/001
Citations: PlumX Metrics

1994SA08      J.Phys.(London) G20, 315 (1994)

P.Sarriguren, E.Moya de Guerra, R.Nojarov, A.Faessler

Spin- and Deformation-Dependent Orbital M1 Strength in Rare-Earth Nuclei

NUCLEAR STRUCTURE ^{142,146,148,150}Nd, ^{144,148,150,152,154}Sm, ^156,158Gd; calculated levels, B(λ), quadrupole moments, proton rms radii. Quasiparticle RPA, deformed Woods-Saxon potential, quadrupole-quadrupole, spin-spin residual interactions.

doi: 10.1088/0954-3899/20/2/010
Citations: PlumX Metrics

1993NO07      Nucl.Phys. A563, 349 (1993); Erratum Nucl.Phys. A577, 831 (1994)

R.Nojarov, A.Faessler, P.Sarriguren, E.Moya de Guerra, M.Grigorescu

Orbital and Spin M1 Excitations in Actinide Nuclei

NUCLEAR STRUCTURE ²³²Th, ^236,238U; calculated M1 transition strength distributions, B(M1); deduced spin-independent residual interaction role. Quasiparticle RPA.

doi: 10.1016/0375-9474(93)90119-I
Citations: PlumX Metrics

1993SA11      J.Phys.(London) G19, 291 (1993)

P.Sarriguren, E.Moya de Guerra, R.Nojarov, A.Faessler

M1 Spin Strength Distribution in ¹⁵⁴Sm

NUCLEAR STRUCTURE ¹⁵⁴Sm; calculated B(λ); deduced isoscalar, isovector M1 spin-flip strength distribution.

doi: 10.1088/0954-3899/19/2/011
Citations: PlumX Metrics

1991LI09      J.Phys.(London) G17, 971 (1991); Corrigenda J.Phys.(London) G17, 1943 (1991)

P.O.Lipas, H.Harter, R.Nojarov, A.Faessler, M.Koskinen

Boson-Model M1 Form Factors for Inelastic Electron Scattering on ^130,132,134Ba

NUCLEAR STRUCTURE ^130,132,134Ba, ¹⁶⁴Dy; calculated transition current densities. Proton-neutron interacting boson model.

NUCLEAR REACTIONS ^130,132,134Ba, ¹⁶⁴Dy(e, e'), E not given; calculated form factors. Proton-neutron interacting boson model.

doi: 10.1088/0954-3899/17/6/017
Citations: PlumX Metrics

1991NO04      Nucl.Phys. A533, 381 (1991); Erratum Nucl.Phys. A537, 707 (1992)

R.Nojarov, A.Faessler, P.O.Lipas

M1 Strength and (e, e') Form Factors of ^46,48Ti within the RPA

NUCLEAR STRUCTURE ^46,48Ti; calculated B(M1). Quasiparticle RPA.

NUCLEAR REACTIONS ^46,48Ti(e, e'), E not given; calculated transition current densities. Quasiparticle RPA, deformed Woods-Saxon potential.

doi: 10.1016/0375-9474(91)90524-A
Citations: PlumX Metrics

1990FA01      Phys.Rev. C41, 1243 (1990)

A.Faessler, R.Nojarov

Orbital Rotational Vibrations in the A = 130 Mass Region

NUCLEAR STRUCTURE ^{130,132,134,126,128}Ba, ^{120,122,124,126,132}Xe, ^{128,130,132,134}Ce; calculated levels, B(M1). Quasiparticle RPA.

NUCLEAR REACTIONS ¹³⁰Ba(e, e'), E not given; calculated transverse M1 form factor. Quasiparticle RPA transition densities, DWBA.

doi: 10.1103/PhysRevC.41.1243
Citations: PlumX Metrics

1990FA09      Nucl.Phys. A515, 237 (1990)

A.Faessler, R.Nojarov, F.G.Scholtz

Magnetic Dipole Electroexcitations in Rare-Earth Nuclei

NUCLEAR REACTIONS ¹⁵⁴Sm, ^154,156,158Gd, ¹⁶⁸Er, ¹⁶⁴Dy(e, e'), E not given; calculated form factors, magnetic dipole excitation. Quasiparticle RPA, DWBA.

doi: 10.1016/0375-9474(90)90368-V
Citations: PlumX Metrics

1990FA12      Phys.Rev.Lett. 65, 2978 (1990)

A.Faessler, T.K.Dao, M.Grigorescu, R.Nojarov

Low-Lying Magnetic Dipole Excitations in Actinide Nuclei

NUCLEAR STRUCTURE ²³²Th, ²³⁸U; calculated B(M1). Quasiparticle RPA.

NUCLEAR REACTIONS ²³²Th, ²³⁸U(e, e'), E not given; calculated form factors. Quasiparticle RPA transition densities.

doi: 10.1103/PhysRevLett.65.2978
Citations: PlumX Metrics

1990LI07      Nucl.Phys. A509, 509 (1990)

P.O.Lipas, M.Koskinen, H.Harter, R.Nojarov, A.Faessler

Microscopic IBA Calculations of (e, e') M1 Form Factors

NUCLEAR STRUCTURE ¹⁵⁴Sm, ^154,156,158Gd, ¹⁶⁴Dy, ¹⁶⁸Er; calculated B(M1), g-factors. ¹⁶⁴Dy; calculated form factors. Microscopic interacting boson model.

doi: 10.1016/0375-9474(90)90089-5
Citations: PlumX Metrics

1990NO04      Z.Phys. A336, 151 (1990)

R.Nojarov, A.Faessler

Low-Collective Scissors Mode

NUCLEAR STRUCTURE ¹⁵⁶Gd; calculated levels, B(M1). Realistic RPA.

NUCLEAR REACTIONS ¹⁵⁶Gd(e, e'), E not given; calculated form factors. Realistic RPA.

1989FA03      Nucl.Phys. A492, 105 (1989)

A.Faessler, R.Nojarov, T.Taigel

Rotational Isovector Vibrations in Titanium Nuclei

NUCLEAR STRUCTURE ^44,46,48,50Ti; calculated levels, B(M1), transition densities. Deformed Woods-Saxon potential, quasiparticle RPA.

NUCLEAR REACTIONS ^44,46,48,50Ti(e, e'), E not given; calculated form factors. Deformed Woods-Saxon potential, quasiparticle RPA.

doi: 10.1016/0375-9474(89)90511-3
Citations: PlumX Metrics

1989LI20      Phys.Lett. 230B, 1 (1989)

P.O.Lipas, M.Koskinen, H.Harter, R.Nojarov, A.Faessler

Magnetic Dipole Transitions and Spin Currents in Inelastic Electron Scattering

NUCLEAR STRUCTURE ¹⁶⁴Dy; calculated M1 transition current density. Microscopic interacting boson approximation.

doi: 10.1016/0370-2693(89)91642-0
Citations: PlumX Metrics

1989SC23      Phys.Rev.Lett. 63, 1356 (1989)

F.G.Scholtz, R.Nojarov, A.Faessler

Electroexcitation of Rotational Vibrations in ¹⁶⁴Dy

NUCLEAR REACTIONS ¹⁶⁴Dy(e, e'), E not given; calculated form factors. Quasparticle RPA, DWBA.

NUCLEAR STRUCTURE ¹⁶⁴Dy; calculated levels, B(M1). Quasiparticle RPA.

doi: 10.1103/PhysRevLett.63.1356
Citations: PlumX Metrics

1988FA10      Phys.Lett. 215B, 439 (1988)

A.Faessler, R.Nojarov

Purely Collective versus RPA Rotational Vibrations

NUCLEAR STRUCTURE ⁴⁸Ti; calculated levels, B(λ). RPA.

NUCLEAR REACTIONS ⁴⁸Ti(e, e'), E not given; calculated M1 form factors. RPA, DWBA.

doi: 10.1016/0370-2693(88)91337-8
Citations: PlumX Metrics

1988HA18      Phys.Lett. 205B, 175 (1988)

H.Harter, P.O.Lipas, R.Nojarov, Th.Taigel, A.Faessler

Isovector States in ^128-134Ba

NUCLEAR STRUCTURE ^{128,130,132,134}Ba; calculated levels, B(λ), β₂, pairing gaps, quadrupole moments. ^130,132,134Ba deduced doublet. Interacting boson model.

1988NO05      Nucl.Phys. A484, 1 (1988)

R.Nojarov, A.Faessler

Symmetry-Restoring Interactions for K(π) = 1⁺ Isovector Vibrations

NUCLEAR STRUCTURE ¹⁵⁴Sm, ^156,158Gd, ¹⁶⁴Dy, ¹⁶⁸Er, ¹⁷⁴Yb; calculated levels, B(M1). Symmetry restoring RPA.

doi: 10.1016/0375-9474(88)90138-8
Citations: PlumX Metrics

1987CI04      Phys.Rev. C35, 2310 (1987)

O.Civitarese, A.Faessler, R.Nojarov

Theoretical Description of Low-Lying K(π) = 1⁺ States in Deformed Nuclei

NUCLEAR STRUCTURE ¹⁵⁴Sm, ^156,158Gd, ¹⁶⁴Dy, ¹⁶⁸Er, ¹⁷⁴Yb; calculated B(M1). Quasiparticle random phase approximation.

doi: 10.1103/PhysRevC.35.2310
Citations: PlumX Metrics

1987NO01      J.Phys.(London) G13, 337 (1987)

R.Nojarov, A.Faessler

A Collective Model for Isovector Quadrupole Vibrations

NUCLEAR STRUCTURE ¹¹⁰Pd, ^{124,126,128,130}Te, ¹⁴⁰Ba, ¹⁴²Ce, ¹⁴⁴Nd; calculated symmetry energy, isovector quadrupole vibrational states, δ, B(E2). Vibrational model.

doi: 10.1088/0305-4616/13/3/008
Citations: PlumX Metrics

1987NO02      Phys.Lett. 183B, 122 (1987)

R.Nojarov, A.Faessler, O.Civitarese

Spin and Orbital Contributions to Collective M1 Transitions in ^46,48Ti

NUCLEAR STRUCTURE ^46,48Ti; calculated transition energies, B(M1), orbital, spin contributions. Quasiparticle RPA.

doi: 10.1016/0370-2693(87)90423-0
Citations: PlumX Metrics

1986FA01      J.Phys.(London) G12, L47 (1986)

A.Faessler, Z.Bochnacki, R.Nojarov

Restoring Force for the 1⁺ Collective Mode in Deformed Nuclei

NUCLEAR STRUCTURE ¹⁵⁴Sm, ^156,158Gd, ¹⁶⁴Dy, ¹⁶⁸Er, ¹⁷⁴Yb; calculated levels, B(M1). Deformed nuclei, collective mode, restoring force.

doi: 10.1088/0305-4616/12/2/002
Citations: PlumX Metrics

1986FA02      Phys.Lett. 166B, 367 (1986)

A.Faessler, R.Nojarov

Low-Energy Isovector Quadrupole Vibrations

NUCLEAR STRUCTURE ¹⁴⁰Ba, ¹⁴²Ce, ¹⁴⁴Nd; calculated B(λ), δ(E2/M1). Extended vibrational model.

doi: 10.1016/0370-2693(86)91581-9
Citations: PlumX Metrics

1986FA06      Z.Phys. A324, 235 (1986)

A.Faessler, R.Nojarov, S.Zubik

A Possible Splitting of the Isovector Vibrational State due to Triaxiality

NUCLEAR STRUCTURE ¹⁶⁴Dy, ¹⁶⁸Er, ¹⁷⁴Yb; calculated 1⁺ states, isovector M1 transition strength fragmentation, B(M1). Microscopic model.

1986NO07      Z.Phys. A324, 289 (1986)

R.Nojarov, Z.Bochnacki, A.Faessler

Microscopic Calculation of the Restoring Force for Scissor Isovector Vibrations

NUCLEAR STRUCTURE ¹⁵⁴Sm, ^156,158Gd, ¹⁶⁴Dy, ¹⁶⁸Er, ¹⁷⁴Yb; calculated levels, B(λ), moment of inertia. Scissor isovector vibration restoring force, microscopic model.

1985NO07      Z.Phys. A321, 671 (1985)

R.Nojarov

Nuclear Radii from a Nonlocal Woods-Saxon Potential

NUCLEAR STRUCTURE A=155, 165, 173, 181; calculated rms radii. Nonlocal Woods-Saxon potential.

doi: 10.1007/BF01432444
Citations: PlumX Metrics

1984NO01      J.Phys.(London) G10, 539 (1984)

R.Nojarov

Parameters of a Cylindrical Woods-Saxon Potential for the Rare-Earth Region

NUCLEAR STRUCTURE ¹⁵⁴Gd, ¹⁶⁴Er; calculated charge quadrupole moments, rms radii; deduced spherical, cylindrical coordinate connection. Deformed axially symmetric Woods-Saxon potential.

doi: 10.1088/0305-4616/10/4/014
Citations: PlumX Metrics

1983NO04      Nucl.Phys. A397, 29 (1983)

R.Nojarov, E.Nadjakov

Band Coupling and Crossing in Nuclei

NUCLEAR STRUCTURE ¹⁵⁴Gd, ¹⁵⁶Dy, ¹⁶⁴Er; calculated levels, yrast sequence, B(E2), band crossings. Coupled rotational bands, three phonon types.

doi: 10.1016/0375-9474(83)90077-5
Citations: PlumX Metrics

1983NO11      Phys.Lett. 133B, 17 (1983)

R.Nojarov

Rotational Alignment in Soft Nuclei

NUCLEAR STRUCTURE ^{125,127,129,131,133}La; calculated energy shifts due to incomplete alignemnt of decoupled band collective angular momentum states. Soft Core.

doi: 10.1016/0370-2693(83)90095-3
Citations: PlumX Metrics

1982NA19      Phys.Lett. 116B, 207 (1982)

E.Nadjakov, R.Nojarov, V.Antonova

Microscopic Determination of Band Interaction in ¹⁵⁴Gd and ¹⁶⁴Er

NUCLEAR STRUCTURE ¹⁵⁴Gd, ¹⁶⁴Er; calculated rms charge radii, B(E2), charge quadrupole moment, g, monopole strength, moment of inertia, nonadiabatic characteristics. Microscopic band interaction model.

doi: 10.1016/0370-2693(82)90326-4
Citations: PlumX Metrics