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NSR database version of April 29, 2024.

Search: Author = G.Pantis

Found 32 matches.

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2003SI09      Phys.Rev. C 68, 014309 (2003)

F.Simkovic, M.Smotlak, G.Pantis

Quasiparticle random phase approximation with a nonlinear phonon operator

doi: 10.1103/PhysRevC.68.014309
Citations: PlumX Metrics


2002PA28      Czech.J.Phys. 52, 629 (2002)

G.Pantis, M.Smotlak, F.Simkovic

A Schematic Calculation of the ββ-Decay Matrix Element within the Green Function Approach

doi: 10.1023/A:1015334032468
Citations: PlumX Metrics


2001PA13      Phys.Rev. C63, 044009 (2001)

G.Pantis, I.E.Lagaris, S.A.Sofianos

Forbidden States and the Three-Body Bound State Collapse

doi: 10.1103/PhysRevC.63.044009
Citations: PlumX Metrics


2000PA25      Nucl.Phys. A663-664, 825c (2000)

G.Pantis, F.Simkovic

Higher Order Terms of the Nucleon Current in the Neutrino Mass Mechanism of Neutrinoless Double Beta Decay

RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe, 150Nd(2β); calculated oν-accompanied 2β-decay nuclear matrix elements; deduced limits on lepton number violating parameters.

doi: 10.1016/S0375-9474(99)00778-2
Citations: PlumX Metrics


2000PA47      Yad.Fiz. 63, No 7, 1252 (2000); Phys.Atomic Nuclei 63, 1177 (2000)

G.Pantis, F.Simkovic

The Effect of Weak Magnetism and Induced Pseudoscalar Coupling in Neutrinoless Double-Beta Decay

RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe, 150Nd(2β-); calculated 0ν accompanied 2β decay matrix elements, contributions from weak magnetism and induced pseudoscalar coupling.

doi: 10.1134/1.855763
Citations: PlumX Metrics


1999SI04      Yad.Fiz. 62, No 4, 632 (1999); Phys.Atomic Nuclei 62, 585 (1999)

F.Simkovic, G.Pantis

Field-Theoretical Approach to Two-Neutrino Double-Beta Decay


1999SI18      Phys.Rev. C60, 055502 (1999)

F.Simkovic, G.Pantis, J.D.Vergados, A.Faessler

Additional Nucleon Current Contributions to Neutrinoless Double β Decay

RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe, 150Nd(2β); calculated 0ν accompanied 2β-decay matrix elements; deduced nucleon current contributions.

doi: 10.1103/PhysRevC.60.055502
Citations: PlumX Metrics


1998PA28      Yad.Fiz. 61, No 7, 1311 (1998); Phys.Atomic Nuclei 61, 1211 (1998)

G.Pantis, F.Simkovic, A.Faessler

QRPA and RQRPA Calculations of Neutrinoless Double-Beta Decay Beyond the Point of Collapse

RADIOACTIVITY 76Ge, 100Mo, 116Cd, 128Te, 136Xe(2β); calculated 0ν-accompanied 2β decay T1/2. Renormalized quasiparticle RPA.


1998SI23      Yad.Fiz. 61, No 7, 1318 (1998); Phys.Atomic Nuclei 61, 1218 (1998)

F.Simkovic, G.Pantis, A.Faessler

Two-Neutrino Double Beta Decay: Critical analysis

RADIOACTIVITY 76Ge(2β); calculated 2ν-accompanied 2β decay matrix elements. Operator expansion method.


1998SI33      Prog.Part.Nucl.Phys. 40, 285 (1998)

F.Simkovic, G.Pantis, A.Faessler

Two-Neutrino Double Beta Decay: A study of different approximation schemes

RADIOACTIVITY 76Ge(2β-); calculated 2ν accompanied 2β-decay nuclear matrix elements. Quasiparticle RPA.

doi: 10.1016/S0146-6410(98)00037-4
Citations: PlumX Metrics


1997SI06      Phys.Lett. 393B, 267 (1997)

F.Simkovic, J.Schwieger, M.Veselsky, G.Pantis, A.Faessler

Non-Collapsing Renormalized QRPA with Proton-Neutron Pairing for Neutrinoless Double Beta Decay

RADIOACTIVITY 76Ge, 100Mo, 128,130Te(2β); calculated 0ν-accompained 2β-decay matrix elements. Renormalized quasiparticle RPA.

doi: 10.1016/S0370-2693(96)01622-X
Citations: PlumX Metrics


1996PA02      Phys.Rev. C53, 695 (1996)

G.Pantis, F.Simkovic, J.D.Vergados, A.Faessler

Neutrinoless Double Beta Decay within the Quasiparticle Random-Phase Approximation with Proton-Neutron Pairing

RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe(2β); calculated 0ν-accompanied 2β-decay T1/2, limits on lepton nonconserving parameters. Quasiparticle RPA.

doi: 10.1103/PhysRevC.53.695
Citations: PlumX Metrics


1996PA26      Phys.Rev. C54, 1825 (1996)

G.Pantis, S.A.Sofianos

Inverse Scattering for a Specific Resonating Group Model Nonlocality

NUCLEAR REACTIONS 4He(n, n), E=50, 100 MeV; 40Ca(n, n), E=100, 150 MeV; calculated phase shifts, equivalent local potenitals. Inverse scattering, resonating group model, specific nonlocality.

doi: 10.1103/PhysRevC.54.1825
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1996SI29      Nucl.Phys.(Proc.Suppl.) S48, 257 (1996)

F.Simkovic, G.Pantis, J.D.Vergados, A.Faessler

The QRPA Study of Neutrinoless Double Beta Decay with and without Proton-Neutron Pairing

RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe; analyzed 0ν-accompanied 2β-decay T1/2 data; deduced lepton number nonconserving parameters lower limits. Quasiparticle RPA with, without proton-neutron pairing.

doi: 10.1016/0920-5632(96)00255-1
Citations: PlumX Metrics


1995EM02      Nucl.Phys. A592, 581 (1995)

V.Emelyanov, G.Pantis

Pion Thermalisation in Relativistic Heavy Ion Collisions

NUCLEAR REACTIONS 197Au(O, X), E=relativistic; analyzed pion spectra; deduced chemical potential, temperature effects relative role in thermalization.

doi: 10.1016/0375-9474(95)00302-H
Citations: PlumX Metrics


1995PA27      J.Phys.(London) G21, 1079 (1995)

G.Pantis, H.Fiedeldey, S.A.Sofianos

Dispersion Relation for Equivalent Local Potentials with Spurious and Dynamiac Energy Dependence

doi: 10.1088/0954-3899/21/8/006
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1994PA01      Phys.Rev. C49, 338 (1994)

G.Pantis, S.Das Gupta

Azimuthal Distribution in Heavy-Ion Collisions

NUCLEAR REACTIONS 197Au, 12C(12C, X), E=50 MeV/nucleon; 51V(40Ar, X), E=35 MeV/nucleon; calculated particle azimuthal distribution; deduced characteristic flow evidence. Boltzmann-Uehling-Uhlenbeck model.

doi: 10.1103/PhysRevC.49.338
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1993HO09      Nucl.Phys. A556, 29 (1993)

L.L.Howell, S.A.Sofianos, H.Fiedeldey, G.Pantis

Nucleon-Alpha Potentials by Marchenko Inversion and Supersymmetry

NUCLEAR REACTIONS 4He(n, n), E(cm)=2-1000 MeV; calculated phase shifts; deduced potential parameters. Marchenko inversion method.

doi: 10.1016/0375-9474(93)90236-Q
Citations: PlumX Metrics


1993PA15      Nucl.Phys. A559, 266 (1993)

G.Pantis, S.A.Sofianos, H.Fiedeldey, R.Lipperheide, P.E.Hodgson

Dispersive Correction to the p + 16O Optical Model and the Effective Nucleon-Nucleon Potential

NUCLEAR REACTIONS, ICPND 16O(p, p), E=23.4-52.5 MeV; analyzed σ(θ); deduced potential parameters, reaction σ(E). Optical model, dispersive corrections.

doi: 10.1016/0375-9474(93)90191-Y
Citations: PlumX Metrics


1993PA26      Nucl.Phys. A565, 628 (1993)

G.Pantis, H.Fiedeldey, S.A.Sofianos

Dispersion Relation Approach to the Optical Potential Resonating Group Formulation of the n + 40Ca Reaction

NUCLEAR REACTIONS 40Ca(n, n), E=11.9-30.3 MeV; analyzed σ(θ); deduced model parameters. Semi-microscopic model, dispersion relation approach.

doi: 10.1016/0375-9474(93)90049-4
Citations: PlumX Metrics


1992PA07      J.Phys.(London) G18, 605 (1992)

G.Pantis, A.Faessler, W.A.Kaminski, J.D.Vergados

Description of the 0νββ Decay of 48Ca, 76Ge, 100Mo, 128,130Te

RADIOACTIVITY 48Ca, 76Ge, 100Mo, 128,130Te(2β); calculated 0ν-accompanied 2β-decay T1/2, matrix elements; deduced lepton violating parameters limits. Quasiparticle RPA, no closure approximation.

doi: 10.1088/0954-3899/18/4/003
Citations: PlumX Metrics


1992SO03      Nucl.Phys. A540, 199 (1992)

S.A.Sofianos, H.Fiedeldey, R.Lipperheide, G.Pantis, P.E.Hodgson

Dispersive Corrections to the Resonating Group αα Potential

NUCLEAR REACTIONS 4He(α, α), E(cm) ≈ 20-70 MeV; calculated phase shifts vs E. Resonating group method, phenomenological potentials, dispersive corrections.

doi: 10.1016/0375-9474(92)90200-4
Citations: PlumX Metrics


1991FA01      Phys.Rev. C43, R21 (1991)

A.Faessler, W.A.Kaminski, G.Pantis, J.D.Vergados

Double-β-Decay Matrix Elements

RADIOACTIVITY 76Ge(2β); calculated 0ν associated 2β-decay matrix elements; deduced closure approximation validity.

doi: 10.1103/PhysRevC.43.R21
Citations: PlumX Metrics


1990PA15      Phys.Lett. 242B, 1 (1990)

G.Pantis, J.D.Vergados

Neutrinoless Double Beta Decay Matrix Elements Beyond Closure Approximation

RADIOACTIVITY 48Ca(2β); calculated neutrinoless β-decay matrix elements.

doi: 10.1016/0370-2693(90)91584-X
Citations: PlumX Metrics


1989PA08      Nucl.Phys. A499, 209 (1989)

G.Pantis, R.Linden, N.Ohtsuka, A.Faessler

Effect of 3α-Like States in 12C to 12C - 12C Scattering

NUCLEAR REACTIONS 12C(12C, 12C), (12C, 12C'), E=360 MeV; calculated σ(θ). Resonating group method, 3α-like states role.

doi: 10.1016/0375-9474(89)90278-9
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1987PA24      Phys.Rev. C36, 1408 (1987)

G.Pantis, J.M.Pearson

Folding Model for Sub-Barrier Interaction between Alpha-Type Nuclei

NUCLEAR REACTIONS, ICPND 16O(12C, 12C), E(cm) ≤ 12 MeV; 12C(12C, 12C), E(cm) ≤ 8 MeV; 16O(16O, 16O), E(cm) ≤ 14 MeV; calculated σ(θ=90°), fusion σ, S-factor vs E. Folding model.

doi: 10.1103/PhysRevC.36.1408
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1985PA11      Z.Phys. A321, 149 (1985)

G.Pantis, I.E.Lagaris

Analysis of (n, n) and (d, p) Reactions on the Same Target using Phase-Equivalent Potentials

NUCLEAR REACTIONS 15N(d, p), E not given; analyzed σ(θ) vs En. 16N levels deduced possible J. Continuum stripping, nonlocal effects.

doi: 10.1007/BF01411958
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1985PA14      Phys.Rev. C32, 657 (1985)

G.Pantis, K.Ioannides, P.Poirier

Importance of the Energy-Dependent Geometry in the 16O + 16O Optical Model Potential

NUCLEAR REACTIONS 16O(16O, 16O), E=15-85 MeV; calculated σ(E, θ); deduced optical model parameters. Energy dependent optical model.

doi: 10.1103/PhysRevC.32.657
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1981PA05      Can.J.Phys. 59, 225 (1981)

G.Pantis, H.Fiedeldey, D.W.L.Sprung

The Charge Form Factor of the Model Triton for Two-Particle Interactions with Continuum Bound States

NUCLEAR STRUCTURE 3H; calculated charge form factor. Partly nonlocal interactions.

doi: 10.1139/p81-028
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1980PA03      Z.Phys. A294, 101 (1980)

G.Pantis, H.Fiedeldey, D.W.L.Sprung

Three-Particle Bound States for Partly Nonlocal Interactions with Continuum Bound States

NUCLEAR STRUCTURE 3H; calculated binding energy. Partly nonlocal interactions.

doi: 10.1007/BF01473126
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1979PA02      Can.J.Phys. 57, 132 (1979)

G.Pantis, D.W.L.Sprung

Assigment of Jπ = 1- for the 5.048 MeV Level of 16N

NUCLEAR REACTIONS 15N(d, p), E=12 MeV; calculated σ(θ), plane wave formalism including off-shell effects, L=0, 2 admixture. 16N level deduced J, π.

doi: 10.1139/p79-017
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10872.


1978PA05      Can.J.Phys. 56, 659 (1978)

G.Pantis

Off-Shell Effects in (d, p) Stripping Reactions

NUCLEAR REACTIONS 15N(d, p), E=12 MeV; calculated σ(θ). 16N deduced level properties.

doi: 10.1139/p78-083
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