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NSR database version of April 11, 2024.

Search: Author = P.O.Hess

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2023CH39      Phys.Rev. C 108, L021601 (2023)

S.Chopra, P.O.Hess, M.K.Sharma

Conspicuous role of the neck-length parameter for future superheavy element discoveries

NUCLEAR REACTIONS 93Nb(12C, X)105Ag, E*=40.959, 54.067 MeV;172Yb(48Ca, X)220Th, E*=35.4 MeV;235U(11B, X)246Bk, E*=35-58 MeV; calculated neck-length parameter for different decay channels. Calculations within within the framework of the dynamical cluster-decay model (DCM).

doi: 10.1103/PhysRevC.108.L021601
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2023LO01      Nucl.Phys. A1030, 122589 (2023)

D.S.Lohr-Robles, G.E.Morales-Hernandez, E.Lopez-Moreno, P.O.Hess

Application of the cranking method to the semimicroscopic algebraic cluster model and nuclear molecules

NUCLEAR REACTIONS 12C(12C, X), E not given; calculated a particular quantum phase transition (QPT) within the Semimicroscopic Algebraic Cluster Model (SACM), using a combination of catastrophe theory and a direct minimization of the potential.

doi: 10.1016/j.nuclphysa.2022.122589
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2023YE01      Nucl.Phys. A1029, 122566 (2023)

T.Yepez-Martinez, P.O.Hess, O.Civitarese

BCS solutions and effective quark energies of the QCD Hamiltonian in the Coulomb gauge

doi: 10.1016/j.nuclphysa.2022.122566
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2022CH03      Phys.Rev. C 105, 014610 (2022)

S.Chopra, M.K.Sharma, P.O.Hess, J.Bedi

Possibility to form Z=120 via the 64Ni + 238U reaction using the dynamical cluster-decay model

NUCLEAR REACTIONS 238U(64Ni, X)302120*, E(cm)=260-300 MeV; calculated mass fragmentation potential, evaporation residues (ERs) σ(E), fission and quasifission σ(E), preformation probability as a function of fragment mass number. 248Cm(54Cr, X)302120*, E*=39.7 MeV; calculated preformation probability as a function of fragment mass number. Dynamical cluster-decay model (DCM). Comparison with available experimental data.

doi: 10.1103/PhysRevC.105.014610
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2022CH43      Phys.Rev. C 106, L031601 (2022)

S.Chopra, N.Goel, M.K.Sharma, P.O.Hess, Hemdeep

Theoretical attempt to predict the cross sections in the case of new superheavy elements

NUCLEAR REACTIONS 248Cm(54Cr, X), (54Cr, n), (54Cr, 2n), (54Cr, 3n), (54Cr, 4n), 245Cm(48Ca, X), (48Ca, n), (48Ca, 2n), (48Ca, 3n), (48Ca, 4n), 249Cf(48Ca, X), (48Ca, n), (48Ca, 2n), (48Ca, 3n), (48Ca, 4n), E(cm)=33, 193.561 MeV; calculated σ, survival probability for 297Og, 293Lv compound nucleus. Dynamical cluster-decay model (DCM) calculations. Comparison to available experimental data.

doi: 10.1103/PhysRevC.106.L031601
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2021BE27      Phys.Rev. C 104, 044307 (2021)

J.R.M.Berriel-Aguayo, P.O.Hess

Approximate projection method for the construction of multi-α-cluster spaces

NUCLEAR STRUCTURE 20Ne, 24Mg, 28Si; calculated levels, J, π, B(E2), spectroscopic factors treating 20Ne as a five α-particle system, 24Mg as 16O+α+α, and 28Si as seven α-particle system using semi-microscopic algebraic cluster model (SACM). Comparison with experimental data. 12C, 16O; reviewed previous theoretical results for 12C and 16O treated as three α-particle and four α-particle systems, respectively. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.044307
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2021CH28      Phys.Rev. C 103, 064615 (2021)

S.Chopra, M.K.Sharma, P.O.Hess, Hemdeep, NeetuMaan

Impact of noncoplanar degrees of freedom on quasifission contributions with the estimation of unobserved decay channels for the study of 196Pt* using the dynamical cluster-decay model

NUCLEAR REACTIONS 132Sn(64Ni, X)196Pt*, E(cm)=165.5, 167.2, 171, 175.2, 183.7, 195.2 MeV; calculated l-dependent scattering potential for 195Pt+1n in the decay of 196Pt* for 167.2 MeV, evaporation residues (ERs) and fusion-fission cross sections, mass fragmentation potential and preformation probability at 195.2 MeV using dynamical cluster-decay model (DCM). Comparison with available experimental data.

doi: 10.1103/PhysRevC.103.064615
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2021HE12      Eur.Phys.J. A 57, 146 (2021)

P.O.Hess, L.J.Chavez-Nunez

A semimicroscopic algebraic cluster model for heavy nuclei I: One heavy and one light cluster

RADIOACTIVITY 236U, 224Ra(SF); calculated excitations of the clusters. 210Pb, 26Ne, 14C, 146Xe, 90Sr; deduced an extension of the semimicroscopic algebraic cluster model (SACM).

doi: 10.1140/epja/s10050-021-00460-5
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2021LO13      Nucl.Phys. A1016, 122335 (2021)

D.S.Lohr-Robles, E.Lopez-Moreno, P.O.Hess

Quantum phase transitions within a nuclear cluster model and an effective model of QCD

doi: 10.1016/j.nuclphysa.2021.122335
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2019HE10      Eur.Phys.J. A 55, 71 (2019)

P.O.Hess, J.R.M.Berriel-Aguayo, L.J.Chavez-Nunez

16O within the Semimicroscopic Algebraic Cluster Model and the importance of the Pauli Exclusion Principle

NUCLEAR STRUCTURE 16O; calculated levels, J, π, configuration, B(E2), B(E3), SU(3) content of some low-lying states using Semimicroscopic Algebraic Cluster Model; deduced model parameters.

doi: 10.1140/epja/i2019-12744-0
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2019LO16      Nucl.Phys. A992, 121629 (2019)

D.S.Lohr-Robles, E.Lopez-Moreno, P.O.Hess

Quantum Phase Transitions within the Semimicroscopic Algebraic Cluster Model

doi: 10.1016/j.nuclphysa.2019.121629
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2018HE08      Eur.Phys.J. A 54, 32 (2018)


12C within the Semimicroscopic Algebraic Cluster Model

NUCLEAR STRUCTURE 12C; calculated levels, J, π, B(E2), B(E3) using SACM (Semimicroscopic Algebraic Cluster Model) and also simplified versions for comparison; deduced triangular structure of 12C gs. Results compared with available data.

doi: 10.1140/epja/i2018-12468-7
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2018YE02      Eur.Phys.J. A 54, 22 (2018)

T.Yepez-Martinez, O.Civitarese, P.O.Hess

Non-perturbative RPA-method implemented in the Coulomb gauge QCD Hamiltonian: From quarks and gluons to baryons and mesons

doi: 10.1140/epja/i2018-12424-7
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2015NI04      Nucl.Phys. A938, 22 (2015)

Niyti, R.K.Gupta, P.O.Hess

Evaporation residue cross-section in the decay of 254No* formed in 206Pb + 48Ca and its isotopic dependence using other Pb targets within the dynamical cluster-decay model

NUCLEAR REACTIONS 206Pb(48Ca, xn), E=212.7-242.5 MeV. 254No* calculated fragment preformation probability, 1n to 4n preformation probability vs angular momentum, channel σ, evaporation σ. 204,206,207,208Pb(48Ca, 2n), E*≈19.8, 23.0, 24.5 MeV; calculated σ; deduced radius variation from the fit to σ data. DCM (dynamic cluster model) with deformation and orientation effects included.

doi: 10.1016/j.nuclphysa.2015.02.009
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2015YE02      J.Phys.(London) G42, 095109 (2015)

H.Yepez-Martinez, P.O.Hess

The concept of nuclear cluster forbiddenness

RADIOACTIVITY 236U(α), (20Ne), (24Ne), (26Ne), (28Mg), (30Mg), (32Si), (34Si), (40Ti), (66Kr), (66Ti), (128Sn), (132Sn), 252Cf(α), (16O), (20C), (24Ne), (38Si), (40S), (44S), (46Ar), (50Ar), (78Zn), (80Zn), (98Sr), (100Sr), (100Zr), (102Zr), (104Zr), (104Mo), (108Mo), (110Ru), (112Ru), (114Ru), (116Pd); calculated forbiddenness versus the mass of the lightest cluster. Comparison with available data.

doi: 10.1088/0954-3899/42/9/095109
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2012FR02      Phys.Rev. C 85, 014317 (2012)

P.R.Fraser, H.Yepez-Martinez, P.O.Hess, G.Levai

Phenomenological and microscopic cluster models. II. Phase transitions

NUCLEAR STRUCTURE 20Ne, 24Mg; calculated lowest energy levels, J, π, phase transitions. semi-microscopic and phenomenological algebraic cluster models (SACM, PACM), α-cluster states.

doi: 10.1103/PhysRevC.85.014317
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2012MO41      J.Phys.:Conf.Ser. 387, 012019 (2012)

G.E.Morales-Hernandez, H.Yepez-Martinez, P.O.Hess

Phase transitions for excited states in 16O+α → 20Ne within the SACM

NUCLEAR STRUCTURE 20Ne; calculated 16O+α TO 20Ne excited states phase transition using SaCM (semimicroscopic algebraic cluster model).

doi: 10.1088/1742-6596/387/1/012019
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2012YE02      Phys.Rev. C 85, 014316 (2012)

H.Yepez-Martinez, P.R.Fraser, P.O.Hess, G.Levai

Phenomenological and microscopic cluster models. I. The geometric mapping

doi: 10.1103/PhysRevC.85.014316
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2012YE04      Rom.J.Phys. 57, 513 (2012)

H.Yepez-Martinez, P.R.Fraser, P.O.Hess

Applications of a Semi-Microscopic Cluster Model for Astrophysical Processes

NUCLEAR REACTIONS 14C(α, X)18O, 20Ne(α, X)24Mg, E not given; calculated energy levels, J, π, B(E2), B(M1), spectroscopic factors.

2012YE07      Phys.Rev. C 86, 034309 (2012)

H.Yepez-Martinez, M.J.Ermamatov, P.R.Fraser, P.O.Hess

Application of the semimicroscopic algebraic cluster model to core +α nuclei in the p and sd shells

NUCLEAR REACTIONS 12,14,18C, 16,18O, 20Ne(α, X), E not given; calculated levels, J, π, B(E2), B(M1), B(E1), spectroscopic factors, using the semimicroscopic algebraic cluster model (SACM). Comparison with experimental data.

doi: 10.1103/PhysRevC.86.034309
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2011CS01      Int.J.Mod.Phys. E20, 807 (2011)

J.Cseh, N.Itagaki, M.Ploszajczak, H.Yepez-Martinez, L.Parra-Rodrigez, P.O.Hess

Phases of cluster states

doi: 10.1142/S0218301311018721
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2011DA15      Phys.Rev. C 84, 024302 (2011)

J.Darai, J.Cseh, N.V.Antonenko, G.Royer, A.Algora, P.O.Hess, R.V.Jolos, W.Scheid

Clusterization in the shape isomers of the 56Ni nucleus

NUCLEAR STRUCTURE 56Ni; calculated energetics and deformation parameters of shape isomers, triaxial, superdeformed and hyperdeformed structures with binary cluster configurations. Quasimolecular shape sequence. Generalized Liquid Drop Model. Quasidynamical U(3) symmetry based on a Nilsson calculation.

doi: 10.1103/PhysRevC.84.024302
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2011IB01      Phys.Rev. C 83, 034308 (2011)

A.Ibanez-Sandoval, M.E.Ortiz, V.Velazquez, A.Galindo-Uribarri, P.O.Hess, Y.Sun

Projected shell model study of yrast states of neutron-deficient odd-mass Pr nuclei

NUCLEAR STRUCTURE 125,127,129,131,133Pr; calculated yrast levels, J, π, dynamical and kinetic moments of inertia, crossing of rotational bands, backbending effects, alignment diagrams. Projected shell model in a deformed single-particle basis. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.034308
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2010DA20      J.Phys.:Conf.Ser. 205, 012022 (2010)

J.Darai, J.Cseh, A.Lepine-Szily, A.Algora, P.O.Hess, N.V.Antonenko, R.V.Jolos, W.Scheid

Exotic shapes and clusterization of atomic nuclei

NUCLEAR STRUCTURE 36Ar; calculated quadrupole deformation, rotational band, yrast, superdeformed band, hyperdeformed band, shape isomers using dynamical U(3) symmetry based on Nilsson model.

NUCLEAR REACTIONS 24Mg(12C, X), 20Ne(16O, X), E not given; calculated hyperdeformed bands in 36Ar.

doi: 10.1088/1742-6596/205/1/012022
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2010YE03      Phys.Rev. C 81, 045204 (2010)

T.Yepez-Martinez, P.O.Hess, A.P.Szczepaniak, O.Civitarese

Solvable model for many-quark systems in QCD Hamiltonians

doi: 10.1103/PhysRevC.81.045204
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2009MA68      Phys.Rev. C 80, 055804 (2009)

A.Matic, A.M.van den Berg, M.N.Harakeh, H.J.Wortche, G.P.A.Berg, M.Couder, J.L.Fisker, J.Gorres, P.LeBlanc, S.O'Brien, M.Wiescher, K.Fujita, K.Hatanaka, Y.Sakemi, Y.Shimizu, Y.Tameshige, A.Tamii, M.Yosoi, T.Adachi, Y.Fujita, Y.Shimbara, H.Fujita, T.Wakasa, P.O.Hess, B.A.Brown, H.Schatz

High-precision (p, t) reaction measurement to determine 18Ne(α, p)21Na reaction rates

NUCLEAR REACTIONS 24Mg(p, t), E=98.7 MeV; measured E(t), I(t), σ(θ) using Grand-Raiden spectrometer at RCNP facility. 22Mg; deduced levels, J, π, Sα, proton resonances. DWBA and R-matrix analyses. Comparison of level systematics with mirror nucleus 22Ne. 18Ne(α, p)21Na; deduced stellar reaction rates.

doi: 10.1103/PhysRevC.80.055804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2162. Data from this article have been entered in the XUNDL database. For more information, click here.

2008CS03      Int.J.Mod.Phys. E17, 2296 (2008)

J.Cseh, J.Darai, H.Yepez-Martinez, P.O.Hess

Phase-transitions and nuclear clusterization

doi: 10.1142/S0218301308011501
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2006AL20      Phys.Lett. B 639, 451 (2006)

A.Algora, J.Cseh, J.Darai, P.O.Hess

Ternary clusterization and quadrupole deformation

NUCLEAR STRUCTURE 36Ar, 252Cf; calculated ternary cluster configurations for deformed, superdeformed, and hyperdeformed states.

doi: 10.1016/j.physletb.2006.06.080
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2006HE08      Phys.Rev. C 73, 025201 (2006)

P.O.Hess, A.P.Szczepaniak

Exactly solvable model of low energy QCD

doi: 10.1103/PhysRevC.73.025201
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2006LE33      Eur.Phys.J. A 27, Supplement 1, 277 (2006)

G.Levai, P.O.Hess

A simple interpretation of global trends in the lowest levels of p- and sd-shell nuclei

NUCLEAR STRUCTURE 12,13,14,15,16,17,18,19,20C; analyzed levels, J, π, configurations.

doi: 10.1140/epja/i2006-08-042-5
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2006YE02      Phys.Rev. C 74, 024319 (2006)

H.Yepez-Martinez, J.Cseh, P.O.Hess

Phase transitions in algebraic cluster models

NUCLEAR STRUCTURE 20Ne, 22Mg; calculated cluster model wave functions, symmetry and phase transition features. Comparison of phenomenological and semimicrosopical descriptions.

doi: 10.1103/PhysRevC.74.024319
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2005HE25      Int.J.Mod.Phys. E14, 845 (2005)

P.O.Hess, G.Levai

Global trends in the lowest positive- and negative-parity levels of p- and sd-shell nuclei

NUCLEAR STRUCTURE Z=2-20; A=4-40; calculated excited states energies, configurations, quadrupole moments, deformations.

doi: 10.1142/S0218301305003636
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2004CS05      Phys.Rev. C 70, 034311 (2004)

J.Cseh, A.Algora, J.Darai, P.O.Hess

Deformation dependence of nuclear clusterization

NUCLEAR STRUCTURE 36Ar, 252Cf; calculated binary cluster configurations, binding energies for ground, superdeformed, and hyperdeformed states. Selection rule based on U(3) symmetry. Comparison with calculated cluster binding energy stability condition.

doi: 10.1103/PhysRevC.70.034311
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2004HE16      Phys.Lett. B 595, 187 (2004)

P.O.Hess, S.Misicu

Spectroscopic factors of cluster decays in an algebraic cluster model

RADIOACTIVITY 222Ra(14C); 228Th(20O); 232,234U(24Ne); 236Pu, 234U(28Mg); 238Pu(30Mg); 242Cm(34Si); 234U(α); analyzed cluster decay spectroscopic factors; deduced parameters; calculated spectroscopic factors for heavier clusters. Algebraic cluster model.

doi: 10.1016/j.physletb.2004.05.074
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2004HE26      Phys.Rev. C 70, 051303 (2004)

P.O.Hess, A.Algora, J.Cseh, J.P.Draayer

Parametrization of SU(3) spectroscopic factors for light nuclei within an algebraic model

NUCLEAR STRUCTURE 20,22Ne, 24,26Mg, 28Si; analyzed cluster structures, spectroscopic factors; deduced parameters. Algebraic approach.

doi: 10.1103/PhysRevC.70.051303
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2004NU02      Phys.Rev. C 70, 025201 (2004)

M.Nunez, S.Lerma, P.O.Hess, S.Jesgarz, O.Civitarese, M.Reboiro

Modeling pentaquark and heptaquark states

doi: 10.1103/PhysRevC.70.025201
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2004NU03      Phys.Rev. C 70, 035208 (2004)

M.V.Nunez, S.H.Lerma, P.O.Hess, S.Jesgarz, O.Civitarese, M.Reboiro

Schematic model for QCD. III. Hadronic states

doi: 10.1103/PhysRevC.70.035208
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2003HE26      Phys.Rev. C 68, 064303 (2003)

P.O.Hess, S.Misicu

Potential energy surfaces and spectra of superheavy elements

NUCLEAR STRUCTURE 254No, 260Rf, 262Sg, 270Hs, 274Ds, 276Cn, 290Fl; calculated potential energy surfaces, deformation parameters, levels, J, π, B(E2).

doi: 10.1103/PhysRevC.68.064303
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2003JE03      Phys.Rev. C 67, 055210 (2003)

S.Jesgarz, S.Lerma, P.O.Hess, O.Civitarese, M.Reboiro

Schematic model for QCD. II. Finite temperature regime

doi: 10.1103/PhysRevC.67.055210
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2003LE09      Phys.Rev. C 67, 055209 (2003)

S.Lerma, S.Jesgarz, P.O.Hess, O.Civitarese, M.Reboiro

Schematic model for QCD. I. Low energy meson states

doi: 10.1103/PhysRevC.67.055209
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2003YE03      Phys.Rev. C 68, 014314 (2003)

H.Yepez-Martinez, P.O.Hess, S.Misicu

A nuclear vibron model applied to light and heavy nuclear molecules

NUCLEAR REACTIONS 12C(12C, X), 146Ba(96Sr, X), E=low; calculated molecular resonance energies, related features. Algebraic nuclear vibron model.

NUCLEAR STRUCTURE 24Mg, 242Pu; calculated molecular resonance energies, related features of 12C+12C and 96Sr+146Ba systems. Algebraic nuclear vibron model.

doi: 10.1103/PhysRevC.68.014314
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2003YE08      Acta Phys.Hung.N.S. 18, 259 (2003)

H.Yepez-Martinez, P.O.Hess

Nuclear Vibron Model with 2 and 3 Clusters for Heavy Nuclear Molecules

NUCLEAR STRUCTURE 24Mg; calculated cluster states energies. Vibron model, comparison with data.

NUCLEAR REACTIONS 12C(12C, X), E(cm) ≈ 2-14 MeV; calculated cluster states energies. Vibron model, comparison with data.

doi: 10.1556/APH.18.2003.2-4.23
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2002HE27      Eur.Phys.J. A 15, 449 (2002)

P.O.Hess, A.Algora, M.Hunyadi, J.Cseh

Configuration-mixed effective SU(3) symmetries

NUCLEAR STRUCTURE 4He, 12,14C, 16O, 20Ne, 24Mg, 36Ar, 40Ca, 168Er, 252Cf; calculated deformation, effective SU(3) symmetries.

doi: 10.1140/epja/i2002-10064-2
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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
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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
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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
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2002HI13      Eur.Phys.J. A 14, 355 (2002)

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

The Use of Coherent States in the Variational Treatment of Proton-Neutron Interactions

doi: 10.1140/epja/i2002-10029-5
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2002LE28      Phys.Rev. C66, 045207 (2002)

S.Lerma, S.Jesgarz, P.O.Hess, O.Civitarese, M.Reboiro

Schematic model for QCD at finite temperature

doi: 10.1103/PhysRevC.66.045207
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2002MI53      J.Nucl.Radiochem.Sci. 3, No 1, 81 (2002)

S.Misicu, P.O.Hess, W.Greiner

Spectroscopy with Giant Trinuclear Molecules

2002YE02      Acta Phys.Hung.N.S. 16, 19 (2002)

H.Yepez-Martinez, P.O.Hess, S.Misicu

Heavy Nuclear Molecules with 2 and 3 Clusters

doi: 10.1556/APH.16.2002.1-4.3
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2001AL34      Acta Phys.Hung.N.S. 13, 145 (2001)

A.Algora, J.Cseh, P.O.Hess, M.Hunyadi

Clusterization of Heavy Nuclei from the Microscopic Point of View: Application of the U(3) selection rule to 252Cf

NUCLEAR STRUCTURE 252Cf; calculated cluster structure using U(3) symmetry.

doi: 10.1556/APH.13.2001.1-3.16
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2001BI15      Acta Phys.Hung.N.S. 13, 89 (2001)

R.Bijker, P.O.Hess, S.Misicu

A Geometric and an Algebraic Model for Tri-Nuclear Molecules

NUCLEAR STRUCTURE 252Cf; calculated level energies, related features for tri-nuclear molecule. Geometric and algebraic models.

doi: 10.1556/APH.13.2001.1-3.10
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2001CI06      Phys.Rev. C64, 054317 (2001)

O.Civitarese, M.Reboiro, S.Jesgarz, P.O.Hess

Coherent States and the Calculation of Nuclear Partition Functions

doi: 10.1103/PhysRevC.64.054317
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2001HE28      Acta Phys.Hung.N.S. 13, 197 (2001)

L.Hernandez, P.O.Hess, A.Algora, G.Levai

α-Clustering in Be Isotopes

NUCLEAR STRUCTURE 10,11Be; calculated levels, J, π. Algebraic cluster model.

doi: 10.1556/APH.13.2001.1-3.27
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2001HE33      J.Phys.(London) G27, 2019 (2001)

L.Hernandez de la Pena, P.O.Hess, G.Levai, A.Algora

α-Cluster Structure in Be Isotopes

NUCLEAR STRUCTURE 6,7,8,9,10,11,12Be; calculated levels, J, π. Semimicroscopic algebraic cluster model, comparisons with data.

doi: 10.1088/0954-3899/27/10/305
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2001MI16      Phys.Rev. C63, 054308 (2001)

S.Misicu, P.O.Hess, W.Greiner

Collective Spectra of α-Like Giant Trinuclear Molecules

NUCLEAR STRUCTURE 252Cf; calculated potential energy, collective spectra for trinuclear molecule.

doi: 10.1103/PhysRevC.63.054308
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2000CI03      Phys.Rev. C61, 064303 (2000)

O.Civitarese, P.O.Hess, J.G.Hirsch, M.Reboiro

Fermion and Boson Condensates in a QCD-Inspired Model Hamiltonian

doi: 10.1103/PhysRevC.61.064303
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2000CS07      Acta Phys.Hung.N.S. 12, 119 (2000)

J.Cseh, G.Levai, A.Algora, P.O.Hess, A.Intasorn, K.Kato

On the Shell-Model Connection of the Cluster Model

2000HE08      J.Phys.(London) G26, 957 (2000)

P.O.Hess, S.Misicu, W.Greiner, W.Scheid

Collective Modes of Tri-Nuclear Molecules

NUCLEAR STRUCTURE 252Cf; calculated levels, J, π of bandheads corresponding to collective excitations of a trinuclear molecule that precedes ternary fission.

doi: 10.1088/0954-3899/26/6/315
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1999AL15      J.Phys.(London) G25, 775 (1999)

A.Algora, J.Cseh, P.O.Hess

Exotic Clusterizations and the SU(3) Selection Rule

RADIOACTIVITY 252Cf(SF); calculated Mo-Ba fission channel reciprocal forbiddeness mass dependence, U(3) symmetry role.

doi: 10.1088/0954-3899/25/4/034
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1999CI01      Phys.Rev. C59, 194 (1999)

O.Civitarese, P.O.Hess, J.G.Hirsch, M.Reboiro

Spontaneous and Dynamical Breaking of Mean Field Symmetries in the Proton-Neutron Quasiparticle Random Phase Approximation and the Description of Double β Decay Transitions

NUCLEAR STRUCTURE 76Ge; calculated 2ν-accompanied 2β-decay matrix elements. Isospin symmetry breaking.

doi: 10.1103/PhysRevC.59.194
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1999HE36      J.Phys.(London) G25, L139 (1999)

P.O.Hess, W.Scheid, W.Greiner, J.H.Hamilton

Collective Modes of Tri-Nuclear Molecules of the Type 96Sr + 10Be + 146Ba

NUCLEAR STRUCTURE 252Cf; calculated nuclear molecule collective excitations, J, π. Three-cluster model.

doi: 10.1088/0954-3899/25/12/102
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1999HI09      Phys.Rev. C60, 064303 (1999)

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

Boson Expansion Techniques, the Pauli Principle, and the Quasiparticle Random Phase Approximation Phase Transition

doi: 10.1103/PhysRevC.60.064303
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1999MI38      J.Phys.(London) G25, L147 (1999)

S.Misicu, P.O.Hess, A.Sandulescu, W.Greiner

Molecular Collective Vibrations in the Ternary Neutronless Fission of 252Cf

NUCLEAR STRUCTURE 252Cf; calculated nuclear molecule collective excitations, related features. Three-cluster model.

doi: 10.1088/0954-3899/25/12/103
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1999VA09      J.Phys.(London) G25, 881 (1999)

C.Vargas, J.G.Hirsch, P.O.Hess, J.P.Draayer

SU(3) Description of the Spin-Orbit Interaction

doi: 10.1088/0954-3899/25/4/060
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1998AL34      J.Phys.(London) G24, 2111 (1998)

A.Algora, J.Cseh, P.O.Hess

Spontaneous Fission and Clusterization

RADIOACTIVITY 252Cf(SF); calculated Mo+Ba binary fission channels distribution; deduced structure effects. Cluster model, U(3) symmetry.

doi: 10.1088/0954-3899/24/11/012
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1998VA17      Phys.Rev. C58, 1488 (1998)

C.Vargas, J.G.Hirsch, P.O.Hess, J.P.Draayer

Interplay between the Quadrupole-Quadrupole and Spin-Orbit Interactios in Nuclei

NUCLEAR STRUCTURE 20,22Ne, 44Ti; calculated wavefunctions, eigenvalues; deduced Hilbert space truncation. SU(3) shell model.

doi: 10.1103/PhysRevC.58.1488
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1997AG02      Phys.Rev. C55, 1571 (1997)

V.V.Aguilar, P.O.Hess, J.G.Hirsch, A.E.Mariano

Testing Basic Assumptions of the Pseudosymplectic Model

NUCLEAR STRUCTURE 160Dy, 168Er, 234,236,238U; calculated protons partition into normal, unique orbitals, scale factors for B(E2) transitions; deduced pseudosymplectic model assumptions validity.

doi: 10.1103/PhysRevC.55.1571
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1997CI09      Phys.Lett. 412B, 1 (1997)

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

The Collapse of the pn-QRPA as a Signal of Phase-Instabilities

doi: 10.1016/S0370-2693(97)01060-5
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1997CS08      Nuovo Cim. 110A, 921 (1997)

J.Cseh, G.Levai, A.Algora, P.O.Hess, K.Kato

The Semimicroscopic Algebraic Cluster Model: I. - Basic concepts and relations to other models

doi: 10.1007/BF03035927
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1997HI02      Phys.Lett. 390B, 36 (1997)

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

Double Beta Decay and the Proton-Neutron Residual Interaction

doi: 10.1016/S0370-2693(96)01511-0
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1997HI05      Phys.Rev. C56, 199 (1997)

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

Single- and Double-Beta Decay Fermi Transitions in an Exactly Solvable Model

doi: 10.1103/PhysRevC.56.199
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1996HE20      Phys.Rev. C54, 2345 (1996)

P.O.Hess, G.Levai, J.Cseh

Geometrical Interpretation of the Semimicroscopic Algebraic Cluster Model

NUCLEAR STRUCTURE A=16, 20; calculated α-cluster state energies. Semimicroscopic algebraic cluster model, geometrical interpretation.

doi: 10.1103/PhysRevC.54.2345
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1996HI11      Phys.Rev. C54, 1976 (1996)

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

Renormalized Quasiparticle Random Phase Approximation and Double Beta Decay: A critical analysis of double Fermi transitions

doi: 10.1103/PhysRevC.54.1976
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1995GU19      Int.J.Mod.Phys. E4, 789 (1995)

R.K.Gupta, S.S.Malik, J.S.Batra, P.O.Hess, W.Scheid

Phenomenology of Nuclei at Very High Angular Momenta Using Parametrized Two-Center Nuclear Shapes

NUCLEAR STRUCTURE 156Dy, 158Er, 164Hf; analyzed moment of inertia vs J, high-spin; deduced onset of necking-in J, limiting value.

doi: 10.1142/S0218301395000262
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1995HE32      Ann.Phys.(New York) 240, 22 (1995)

P.O.Hess, J.Schmidt, W.Scheid

Nuclear Molecular Potentials Based on a Symplectic Microscopic Model

NUCLEAR REACTIONS 12C(12C, X), 16O(16O, X), E not given; calculated internuclear potential. Symplectic microscopic model.

doi: 10.1006/aphy.1995.1041
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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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1994VA23      Nucl.Phys. A577, 605 (1994)

H.van Geel, P.O.Hess, D.Troltenier, J.A.Maruhn, W.Greiner

Microscopically Derived Potential-Energy Surfaces for the Chain of Sm-Isotopes

NUCLEAR STRUCTURE 148,150,152Sm; calculated levels, potential energy surfaces. Microscopic approach.

doi: 10.1016/0375-9474(94)90935-0
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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
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1992TR04      Z.Phys. A343, 25 (1992)

D.Troltenier, J.A.Maruhn, W.Greiner, P.O.Hess

A General Numerical Solution of Collective Quadrupole Surface Motion Applied to Microscopically Calculated Potential Energy Surfaces

NUCLEAR STRUCTURE 190Pt, 238U; calculated levels, potential energy surfaces, B(λ). Pseudo-symplectic model.

doi: 10.1007/BF01291593
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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
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1991TR01      Z.Phys. A338, 261 (1991)

D.Troltenier, J.A.Maruhn, W.Greiner, V.V.Aguilar, P.O.Hess, J.H.Hamilton

Shape Transitions and Shape Coexistence in the Ru and Hg Chains

NUCLEAR STRUCTURE 182,184,186,188,190,192,194,196Hg, 96,98,100,102,104,106,108Ru; calculated levels, B(λ), potential energy surfaces, quadrupole moments.

doi: 10.1007/BF01288188
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1990HE22      Phys.Rev. C42, 1632 (1990)

P.O.Hess, P.Pereyra

Schematic Model for Nuclear Molecules as Doorway States for Fusion

NUCLEAR REACTIONS, ICPND 12C(12C, X), E(cm) ≈ 4-8 MeV; calculated fusion σ(E). Schematic model, nuclear molecules as doorways.

doi: 10.1103/PhysRevC.42.1632
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1984SE17      Phys.Rev. C30, 1779 (1984)

M.Seiwert, J.A.Maruhn, P.O.Hess

Comparison of Different Collective Models Describing the Low Spin Structure of 168Er

NUCLEAR STRUCTURE 168Er; calculated levels, B(E2) transitions. Interacting boson model, rotation-vibration model, Gneuss-Greiner, general collective models.

doi: 10.1103/PhysRevC.30.1779
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1981HE11      J.Phys.(London) G7, 737 (1981)

P.O.Hess, J.Maruhn, W.Greiner

The General Collective Model Applied to the Chains of Pt, Os and W Isotopes

NUCLEAR STRUCTURE 186,188,190,192,194,196Pt, 184,186,188,190,192Os, 180,182,184,186W; calculated potential energy surfaces, levels, B(E2), branching ratios, quadrupole moments. General collective model.

doi: 10.1088/0305-4616/7/6/009
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1981SE07      Phys.Rev. C23, 2335 (1981)

M.Seiwert, P.O.Hess, J.A.Maruhn, W.Greiner

Different Deformations of Proton and Neutron Distributions in Nuclei

NUCLEAR STRUCTURE 232Th, 234,236,238U; calculated B(E2). Collective model.

doi: 10.1103/PhysRevC.23.2335
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1981SE13      Z.Phys. A301, 301 (1981)

M.Seiwert, P.O.Hess, J.A.Maruhn, W.Greiner

Calculation of Shape-Isomeric-States with an Extended Rotation-Vibration-Model

NUCLEAR STRUCTURE 238U; calculated levels, shape isomers, potential energy surfaces, band structure, B(E2). Extended rotation-vibration model.

doi: 10.1007/BF01421693
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1980HE09      Z.Phys. A296, 147 (1980)

P.O.Hess, M.Seiwert, J.Maruhn, W.Greiner

General Collective Model and its Application to 23892U

NUCLEAR STRUCTURE 238U; calculated levels, B(E2). General collective model.

doi: 10.1007/BF01412656
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