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NSR database version of May 21, 2024.

Search: Author = S.S.Dimitrova

Found 35 matches.

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2021KA36      Phys.Rev. C 104, 024311 (2021)

D.Kalaydjieva, D.Kocheva, G.Rainovski, V.Karayonchev, J.Jolie, N.Pietralla, M.Beckers, A.Blazhev, A.Dewald, M.Djongolov, A.Esmaylzadeh, C.Fransen, K.A.Gladnishki, A.Goldkuhle, C.Henrich, I.Homm, K.E.Ide, P.R.John, R.Kern, J.Kleemann, Th.Kroll, C.Muller-Gatermann, M.Scheck, P.Spagnoletti, M.Stoyanova, K.Stoychev, V.Werner, A.Yaneva, S.S.Dimitrova, G.De Gregorio, H.Naidja, A.Gargano

Microscopic structure of the one-phonon 2+ states of 208Po

NUCLEAR REACTIONS 204Pb(12C, 8Be)208Po, E=62 MeV; measured Eγ, Iγ, (particle)γ-coin, half-lives of the first 2+ and 4+ levels by recoil-distance Doppler-shift (RDDS) method using the Cologne plunger device at the FN Tandem facility of the University of Cologne. 208Po; deduced levels, J, π, B(E2). Comparison with large-scale shell-model calculations.

NUCLEAR STRUCTURE 208Po; calculated levels, J, π, B(E2), B(M1), magnetic dipole and electric quadrupole moments using large-scale shell-model calculations with an effective interaction derived from the realistic CD-Bonn nucleon-nucleon potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.024311
Citations: PlumX Metrics

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


2018DI15      Int.J.Mod.Phys. E27, 1850091 (2018)

S.S.Dimitrova, A.A.Cowley, E.V.Zemlyanaya, K.V.Lukyanov

Reaction mechanism of proton-induced pre-equilibrium α-particle emission from medium-mass nuclei at incident energies between 65 and 160 MeV

NUCLEAR REACTIONS 197Au, 59Co, 58Ni, 90Zr(p, α), 93Nb(p, 3He), (p, α), E=65-160 MeV; analyzed available data on σ and analyzing power; deduced the competition between pickup and knockout.

doi: 10.1142/S021830131850091X
Citations: PlumX Metrics


2017AD07      Phys.Rev. C 95, 024319 (2017)

P.Adsley, D.G.Jenkins, J.Cseh, S.S.Dimitrova, J.W.Brummer, K.C.W.Li, D.J.Marin-Lambarri, K.Lukyanov, N.Y.Kheswa, R.Neveling, P.Papka, L.Pellegri, V.Pesudo, L.C.Pool, G.Riczu, F.D.Smit, J.J.van Zyl, E.Zemlyanaya

α clustering in 28Si probed through the identification of high-lying 0+ states

NUCLEAR REACTIONS 28Si(α, α'), E=200 MeV; measured scattered particles, σ(θ) using K600 magnetic spectrometer at iThemba LABS, natural Si target. 28Si; deduced levels, L-transfers, J, π, high-lying 0+ states. Comparison with multichannel dynamical symmetry (MUSY) calculations.

doi: 10.1103/PhysRevC.95.024319
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0836. Data from this article have been entered in the XUNDL database. For more information, click here.


2016CO04      Phys.Rev. C 93, 034624 (2016)

A.A.Cowley, S.S.Dimitrova, E.V.Zemlyanaya, K.V.Lukyanov, J.J.van Zyl

Inclusive (p(pol), α) reaction on 59Co at an incident energy of 100 MeV and comparison with the reaction mechanism for 93Nb between 65 and 160 MeV

NUCLEAR REACTIONS 59Co(polarized p, α), E=100 MeV; measured Eα, Iα, σ(θ), analyzing powers Ay(θ) at iThemba LABS in Faure. 93Nb(polarized p, α), E=100 MeV; analyzed double-differential cross section and Ay(θ) data. Pickup and knockout processes. DWBA calculations. Comparison with calculations based on statistical multistep pre-equilibrium theory.

doi: 10.1103/PhysRevC.93.034624
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0807.


2014DI02      Phys.Rev. C 89, 034616 (2014)

S.S.Dimitrova, A.A.Cowley, J.J.van Zyl, E.V.Zemlyanaya, K.V.Lukyanov

Inclusive reaction 93Nb(p(pol), α) at an incident energy of 160 MeV

NUCLEAR REACTIONS 93Nb(polarized p, α), E=160 MeV; measured Eα, Iα, double-differential σ(θ), analyzing power Ay(θ), at iThemba Laboratory. Comparison of angular distribution and analyzing power data with DWBA predictions, and with statistical multistep method calculations.

doi: 10.1103/PhysRevC.89.034616
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0735.


2014DI15      Phys.Rev. C 90, 054604 (2014)

S.S.Dimitrova, A.A.Cowley, E.V.Zemlyanaya, K.V.Lukyanov

Pre-equilibrium mechanisms in the 93Nb(p, α) inclusive reaction at incident energies from 65 to 160 MeV

NUCLEAR REACTIONS 93Nb(polarized p, α), E=100 MeV; measured Eα, Iα, σ(θ), analyzing powers Ay(θ) at iThemba LABS; analyzed previous σ(θ) and Ay(θ) previous data at 65 MeV. Comparison with predictions of statistical multistep direct emission calculations.

doi: 10.1103/PhysRevC.90.054604
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0752.


2012CO12      Phys.Rev. C 85, 054622 (2012)

A.A.Cowley, J.J.van Zyl, S.S.Dimitrova, E.V.Zemlyanaya, K.V.Lukyanov

Mechanism of the 93Nb(p, 3He) inclusive reaction at an incident energy of 160 MeV

NUCLEAR REACTIONS 93Nb(polarized p, 3He), E=160 MeV; measured 3He spectra, double differential σ(θ), vector analyzing power (VAP) as function of scattering angle, emission energy distribution of VAP. Comparison with a multistep direct theory in which a reaction mechanism based on two-nucleon pickup combined with Distorted Wave Born approximation (DWBA).

doi: 10.1103/PhysRevC.85.054622
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0688.


2007CO14      Phys.Rev. C 75, 054617 (2007)

A.A.Cowley, J.Bezuidenhout, S.S.Dimitrova, P.E.Hodgson, S.V.Fortsch, G.C.Hillhouse, N.M.Jacobs, R.Neveling, F.D.Smit, J.A.Stander, G.F.Steyn, J.J.van Zyl

Multistep direct mechanism in the (p(pol), 3He) inclusive reaction on 59Co and 93Nb at incident energies between 100 and 160 MeV

NUCLEAR REACTIONS 59Co, 93Nb(polarized p, 3He), E=40-160 MeV; measured σ, angular distributions and analyzing powers. Compared results to model calculations.

doi: 10.1103/PhysRevC.75.054617
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0443.


2002DU13      Phys.Rev. C65, 054319 (2002)

J.Dukelsky, S.Pittel, S.S.Dimitrova, M.V.Stoitsov

Density Matrix Renormalization Group Method and Large-Scale Nuclear Shell-Model Calculations

doi: 10.1103/PhysRevC.65.054319
Citations: PlumX Metrics


2000CO29      Phys.Rev. C62, 064605 (2000)

A.A.Cowley, G.F.Steyn, S.S.Dimitrova, P.E.Hodgson, G.J.Arendse, S.V.Fortsch, G.C.Hillhouse, J.J.Lawrie, R.Neveling, W.A.Richter, J.A.Stander, S.M.Wyngaardt

Multistep Direct Mechanism in the (p(pol), 3He) Inclusive Reaction on 59Co and 93Nb at an Incident Energy of 100 MeV

NUCLEAR REACTIONS 59Co, 93Nb(polarized p, 3He), E=100 MeV; measured σ(E, θ), Ay(θ); deduced one-step, multistep process contributions, other reaction mechanism features. Comparison with model predictions.

doi: 10.1103/PhysRevC.62.064605
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0443.


2000DI10      Eur.Phys.J. A 7, 335 (2000)

S.S.Dimitrova, D.N.Kadrev, A.N.Antonov, M.V.Stoitsov

Two-Body Density Matrix for Closed s-d Shell Nuclei

NUCLEAR STRUCTURE 4He, 16O, 40Ca; calculated 2-body density matrices, pair momentum distributions, correlated momentum distributions. Analytical representation, comparison with other theoretical models.

doi: 10.1007/s100500050400
Citations: PlumX Metrics


2000DI22      Trans.Bulg.Nucl.Soc. 5, 175 (2000)

S.S.Dimitrova, D.N.Kadrev, A.N.Antonov, M.V.Stoitsov

Two-Body Nuclear Characteristics within the Jastrow Correlation Method

NUCLEAR STRUCTURE 4He, 16O, 40Ca; calculated nucleon momentum distributions, short-range correlation effects, two-nucleon overlap functions. Jastrow correlation method.


2000GA01      Phys.Rev. C61, 014306 (2000)

M.K.Gaidarov, K.A.Pavlova, A.N.Antonov, M.V.Stoitsov, S.S.Dimitrova, M.V.Ivanov, C.Giusti

Overlap Functions in Correlation Methods and Quasifree Nucleon Knockout from 16O

NUCLEAR REACTIONS 16O(e, e'n), (e, e'p), E=521 MeV; calculated σ, missing mass spectra; deduced nucleon-nucleon correlation effects. 16O(γ, p), E=72 MeV; calculated σ(E, θ); deduced meson exchange current contributions. Comparisons with data.

doi: 10.1103/PhysRevC.61.014306
Citations: PlumX Metrics


2000GA42      Trans.Bulg.Nucl.Soc. 5, 188 (2000)

M.K.Gaidarov, K.A.Pavlova, A.N.Antonov, S.S.Dimitrova, M.V.Stoitsov, C.Giusti, D.Van Neck, H.Muther

New Theoretical Treatment of One-Nucleon Transfer Reactions

NUCLEAR REACTIONS 16O(p, d), E=31.8, 45.3, 65 MeV; 16O(e, e'p), E=520.6 MeV; 16O(γ, p), E=60 MeV; calculated single-particle overlap functions, σ(θ). comparisons with data.


2000SP09      J.Phys.(London) G26, 1489 (2000)

K.Spasova, S.S.Dimitrova, P.E.Hodgson

The Analysing Powers of (p, 3He) Reactions

NUCLEAR REACTIONS 58Ni, 90Zr, 209Bi(p, 3He), E=72 MeV; analyzed σ(θ), Ay(θ); deduced one-, two-step contributions. Feshbach-Kerman-Koonin multistep theory.

doi: 10.1088/0954-3899/26/10/304
Citations: PlumX Metrics


1999AN04      Phys.Rev. C59, 722 (1999)

A.N.Antonov, S.S.Dimitrova, M.V.Stoitsov, D.Van Neck, P.Jeleva

Relationships between Two-Particle Overlap Functions and the Two-Body Density Matrix for Many-Fermion Systems

doi: 10.1103/PhysRevC.59.722
Citations: PlumX Metrics


1999GA27      Phys.Rev. C60, 024312 (1999)

M.K.Gaidarov, K.A.Pavlova, S.S.Dimitrova, M.V.Stoitsov, A.N.Antonov, D.Van Neck, H.Muther

Correlation Effects in Single-Particle Overlap Functions and One-Nucleon Removal Reactions

NUCLEAR STRUCTURE 16O; calculated single-particle overlap functions, spectroscopic factors, separation energies.

NUCLEAR REACTIONS 16O(p, d), E=31.8, 45.3, 65 MeV; calculated σ(θ). Single-particle overlap functions, comparison with data.

doi: 10.1103/PhysRevC.60.024312
Citations: PlumX Metrics


1998LA21      Int.J.Mod.Phys. E7, 485 (1998)

G.A.Lalazissis, S.E.Massen, C.P.Panos, S.S.Dimitrova

Information Entropy as a Measure of the Quality of a Nuclear Density Distribution

NUCLEAR STRUCTURE 16O, 32S, 40Ca, 90Zr, 116Sn, 208Pb; calculated information entropy based on various density distribution models.

doi: 10.1142/S0218301398000257
Citations: PlumX Metrics


1997CO05      Phys.Rev. C55, 1843 (1997)

A.A.Cowley, G.J.Arendse, G.F.Steyn, J.A.Stander, W.A.Richter, S.S.Dimitrova, P.Demetriou, P.E.Hodgson

Inclusive (p, 3He) Reactions on 59Co and 197Au at Incident Energies of 120, 160, and 200 MeV

NUCLEAR REACTIONS 59Co, 197Au(p, 3He), E=120, 160, 200 MeV; measured σ(θ) vs E; deduced multi-step mechanisms role. Statistical multi-step direct reaction theory.

doi: 10.1103/PhysRevC.55.1843
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0507.


1997DI07      J.Phys.(London) G23, 961 (1997)

S.S.Dimitrova, G.Z.Krumova, P.E.Hodgson, V.Avrigeanu, A.N.Antonov

(n, d)-Reactions on Medium Mass Nuclei

NUCLEAR REACTIONS 58Ni, 63,65Cu(n, d), E=6-16 MeV; analyzed σ(E); deduced reaction mechanism. Hauser-Feshbach statistical model, pick-up, knockout mechanisms.

doi: 10.1088/0954-3899/23/8/010
Citations: PlumX Metrics


1997DI14      J.Phys.(London) G23, 1685 (1997)

S.S.Dimitrova, M.K.Gaidarov, A.N.Antonov, M.V.Stoitsov, P.E.Hodgson, V.K.Lukyanov, E.V.Zemlyanaya, G.Z.Krumova

One-Nucleon Removal Reactions as a Test of Overlap Functions from the One-Body Density Matrix Calculations

NUCLEAR REACTIONS 16O(p, d), E=45.34; 40Ca(p, d), E=27.5, 65 MeV; analyzed σ(θ); 40Ca(e, e'p), E not given; analyzed momentum distribution; deduced short-range correlations role. 15O, 39Ca deduced ground-state spectroscopic factors. One-body density matrix, overlap functions.

doi: 10.1088/0954-3899/23/11/016
Citations: PlumX Metrics


1997HO27      Nuovo Cim. 110A, 967 (1997)

P.E.Hodgson, P.Demetriou, S.S.Dimitrova

Analysis of (p, α) and (p, 3He) Cross-Sections to Continuum States by the Feshbach-Kerman-Koonin Multistep Direct Theory

NUCLEAR REACTIONS 93Nb, 118Sn(p, α), E=44.3 MeV; 59Co(p, α), E=120, 160 MeV; 59Co, 197Au(p, 3He), E=120, 160, 200 MeV; analyzed σ(E, θ); deduced clustering role in reaction mechanism.

doi: 10.1007/BF03035934
Citations: PlumX Metrics


1997ST31      Phys.Lett. 415B, 1 (1997)

M.V.Stoitsov, S.S.Dimitrova, S.Pittel, P.Van Isacker, A.Frank

Analytically Solvable Mean-Field Potential for Stable and Exotic Nuclei

NUCLEAR STRUCTURE 16O, 40Ca, 56,78Ni, 208Pb; calculated ground-state energies, rms radii, density distributions; 56,78Ni; calculated single-particle levels. Ginocchio potential, other potentials compared.

doi: 10.1016/S0370-2693(97)01176-3
Citations: PlumX Metrics


1996AN01      Nucl.Phys. A597, 163 (1996)

A.N.Antonov, S.S.Dimitrova, M.K.Gaidarov, M.V.Stoitsov, M.E.Grypeos, S.E.Massen, K.N.Ypsilantis

Consistent Construction of Realistic One-Body Density Matrix in Nuclei

NUCLEAR STRUCTURE 4He, 16O, 40Ca; calculated rms radii, mean kinetic energies per nucleon, nucleon momentum, local density distributions. Phenomenological approach.

doi: 10.1016/0375-9474(95)00435-1
Citations: PlumX Metrics


1996KA52      Int.J.Mod.Phys. E5, 717 (1996)

D.N.Kadrev, A.N.Antonov, M.V.Stoitsov, S.S.Dimitrova

Natural Orbitals and Electron Elastic Magnetic Scattering by Nuclei

NUCLEAR REACTIONS 17O, 41Ca(e, e), E not given; calculated transverse form factor. Coherent density fluctuation model based natural orbitals.

doi: 10.1142/S0218301396000396
Citations: PlumX Metrics


1996ST04      Phys.Rev. C53, 1254 (1996)

M.V.Stoitsov, S.S.Dimitrova, A.N.Antonov

Restoration of Overlap Functions and Spectroscopic Factors in Nuclei

NUCLEAR STRUCTURE 16O, 40Ca; calculated bound state overlap functions, separation energies, single nucleon spectroscopic factors. Jastrow correlation based one-body density matrix.

doi: 10.1103/PhysRevC.53.1254
Citations: PlumX Metrics


1995AN22      J.Phys.(London) G21, 1333 (1995)

A.N.Antonov, M.V.Stoitsov, M.K.Gaidarov, S.S.Dimitrova, P.E.Hodgson

The Hole Spectral Function and the Relationship between Overlap Functions, Natural Orbitals and the One-Body Density Matrix in Nuclei

doi: 10.1088/0954-3899/21/10/007
Citations: PlumX Metrics


1995GA37      Int.J.Mod.Phys. E4, 801 (1995)

M.K.Gaidarov, A.N.Antonov, S.S.Dimitrova, M.V.Stoitsov

Y-Scaling Quantities and Nucleon Correlation Effects in Nuclei

NUCLEAR STRUCTURE 4He, 16O, 40Ca, 12C; calculated asymptotic scaling function F(y), binding corrections, mean kinetic, removal energies, occupation probabilities. Phenomenological approach.

doi: 10.1142/S0218301395000274
Citations: PlumX Metrics


1995GA45      Bull.Rus.Acad.Sci.Phys. 59, 778 (1995)

M.K.Gaidarov, A.N.Antonov, S.S.Dimitrova, M.V.Stoitsov

Effect of Nucleon Correlations on y-Scaling Characteristics of Nuclei

NUCLEAR STRUCTURE 4He, 12C, 16O, 40Ca; calculated asymptotic scaling function, nucleon binding energy correction, average nucleon kinetic, separation energies, filling probabilities. Jastrow correlation approach within phenomenological model.


1993ST02      Phys.Rev. C47, R455 (1993)

M.V.Stoitsov, A.N.Antonov, S.S.Dimitrova

Natural Orbital Representation in Nuclei

NUCLEAR STRUCTURE 4He, 16O, 40Ca; calculated single particle momentum distribution, particle-, hole-state natural orbitals; deduced short range correlations role. Jastrow correlation method.

doi: 10.1103/PhysRevC.47.R455
Citations: PlumX Metrics


1993ST11      Z.Phys. A345, 359 (1993)

M.V.Stoitsov, A.N.Antonov, S.S.Dimitrova

Short-Range Correlations and One-Body Properties of Nuclei

NUCLEAR STRUCTURE 4He, 16O, 40Ca; calculated elastic form factors, local density, nucleon momentum distributions, rms radii. Short range correlations.

doi: 10.1007/BF01282896
Citations: PlumX Metrics


1993ST12      Phys.Rev. C48, 74 (1993)

M.V.Stoitsov, A.N.Antonov, S.S.Dimitrova

Natural Orbital Representation and Short-Range Correlations in Nuclei

NUCLEAR STRUCTURE 16O, 40Ca; calculated local, nucleon momentum distributions; deduced short range correlation features. Mean field approximation, Hartree-Fock approach, Skyrme forces.

doi: 10.1103/PhysRevC.48.74
Citations: PlumX Metrics


1988DI07      Nucl.Phys. A485, 233 (1988)

S.S.Dimitrova, I.Zh.Petkov, M.V.Stoitsov

Scaling- and Antiscaling-Type Oscillations in Isoscalar and Isovector Nuclear Monopole Vibrations

NUCLEAR STRUCTURE 16O, 40Ca, 90Zr, 208Pb; calculated giant monopole resonances. Adiabatic time dependent Hartree-Fock.

doi: 10.1016/0375-9474(88)90100-5
Citations: PlumX Metrics


1986DI11      Z.Phys. A325, 15 (1986)

S.S.Dimitrova, I.Zh.Petkov, M.V.Stoitsov

A Rigorous Energy Density Functional Approach

NUCLEAR STRUCTURE 16O, 40,48Ca, 90Zr, 208Pb, 56Ni; calculated density distributions, radii, binding energies. Hartree-Fock method, symmetrized Fermi-type, energy density and expectation value methods.


1986ST13      Izv.Akad.Nauk SSSR, Ser.Fiz. 50, 2071 (1986); Bull.Acad.Sci.USSR, Phys.Ser. 50, No.10, 197 (1986)

M.V.Stoitsov, I.Zh.Petkov, S.S.Dimitrova

Microscopic Calculations of Energies and Transition Probabilities for Giant Monopole Resonances of Nuclei

NUCLEAR STRUCTURE 4He, 12C, 16O, 28Si, 32S, 40,48Ca, 56Ni, 90Zr, 132Cs, 208Pb; calculated levels, B(λ).


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