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NSR database version of April 11, 2024.

Search: Author = J.Dudek

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2023YA15      Phys.Rev. C 107, 054304 (2023)

J.Yang, J.Dudek, I.Dedes, A.Baran, D.Curien, A.Gaamouci, A.Gozdz, A.Pedrak, D.Rouvel, H.L.Wang

Islands of oblate hyperdeformed and superdeformed superheavy nuclei with D3h point group symmetry in competition with normal-deformed D3h states: "Archipelago" of D3h-symmetry islands

NUCLEAR STRUCTURE 302Og, 292124, 318130; calculated contours of projections of the total nuclear energy surfaces on (α22, α20), (α33, α20), ( α33, α22) and (α30, α20) planes, deformation parameters. N=166-206;Z=116-138; calculated single-particle neutron and proton energy levels, shell energies defined as sums of the Strutinsky and pairing correction energies, D3h-symmetric hyperdeformed, superdeformed, and normal-deformed configurations. Found three separate islands of nuclei with D3h symmetry ("archipelago of three islands") differing by their average α20 < 0 deformations. Macroscopic-microscopic method with a realistic phenomenological Woods-Saxon potential.

doi: 10.1103/PhysRevC.107.054304
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2022PO02      Phys.Rev. C 105, L041301 (2022)

W.S.Porter, B.Ashrafkhani, J.Bergmann, C.Brown, T.Brunner, J.D.Cardona, D.Curien, I.Dedes, T.Dickel, J.Dudek, E.Dunling, G.Gwinner, Z.Hockenbery, J.D.Holt, C.Hornung, C.Izzo, A.Jacobs, A.Javaji, B.Kootte, G.Kripko-Koncz, E.M.Lykiardopoulou, T.Miyagi, I.Mukul, T.Murbock, W.R.Plass, M.P.Reiter, J.Ringuette, C.Scheidenberger, R.Silwal, C.Walls, H.L.Wang, Y.Wang, J.Yang, J.Dilling, A.A.Kwiatkowski

Mapping the N=40 island of inversion: Precision mass measurements of neutron-rich Fe isotopes

ATOMIC MASSES 63,64,65,65m,66,67,68,69,69m,70Fe; measured time-of-flight; deduced mass excess, S(2n), pairing gap. Systematics of S(2n) values for Z=24–28 isotope chains. Compared to mean-field calculations employing recent Woods-Saxon Hamiltonian and results from the multishell valence-space in-medium similarity renormalization group (VS-IMSRG). Comparison to recommended values from AME2020. TITAN (TRIUMF’s Ion Trap for Atomic and Nuclear science) Multiple-Reflection Time-of- Flight Mass Spectrometer.

doi: 10.1103/PhysRevC.105.L041301
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2022YA11      Phys.Rev. C 105, 034348 (2022)

J.Yang, J.Dudek, I.Dedes, A.Baran, D.Curien, A.Gaamouci, A.Gozdz, A.Pedrak, D.Rouvel, H.L.Wang, J.Burkat

Exotic shape symmetries around the fourfold octupole magic number N=136: Formulation of experimental identification criteria

NUCLEAR STRUCTURE N=122-164; calculated single-particle neutron levelsand Routhians as functions of α30, α31, α32 and α33 octupole deformations; deduced very large neutron shell gaps at N=136 for all the four octupole deformations, and N=136 as a "universal or fourfold octupole magic number". 208,212,216,218Pb, 218,220,222,224Ra, 220Po, 222Rn, 224Ra, 226Th; calculated contours of projections of the total nuclear energy surfaces on (α30, α20) planes for all the isotopes, (α31, α20), (α32, α20), and (α33, α20) planes for 218Pb, (α32, α20) planes for 218,220, 222,224Ra, and (α31, α20) and (α32, α20) planes for 220Po, 222Rn, 224Ra, 226Th. Discussed exotic point-group symmetries C, D2d, Td (tetrahedral symmetry), and D3h in order to formulate spectroscopic criteria for experimental identifications through analysis of collective rotational bands generated by the symmetries. Macroscopic-microscopic method in multidimensional deformation spaces to analyze the expected exotic symmetries and octupole shape instabilities, tetrahedral point group symmetry, and realistic nuclear mean-field theory using phenomenological Woods-Saxon Hamiltonian combined with the Monte Carlo approach. Comparison with available experimental nuclear octupole deformations.

doi: 10.1103/PhysRevC.105.034348
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2022YA26      Phys.Rev. C 106, 054314 (2022)

J.Yang, J.Dudek, I.Dedes, A.Baran, D.Curien, A.Gaamouci, A.Gozdz, A.Pedrak, D.Rouvel, H.L.Wang

Exotic symmetries as stabilizing factors for superheavy nuclei: Symmetry-oriented generalized concept of nuclear magic numbers

NUCLEAR STRUCTURE Z=82-138, N=164-258; calculated single-particle proton and neutron energies, spherical orbital energies and shell gaps. 314Og; calculated Monte Carlo simulated probability distributions of single-particle level position uncertainties for protons and neutrons. 308122; calculated proton and neutron single-particle energies as functions of the octupole deformations α30, α31, α32 and α33 in the center of Z=114-130, N=166-206 region. 310Fl, 314Og, 318122, 322126, 326130; calculated potential-energy projection contours as functions of quadrupole deformation parameter α20 and octupole deformation parameters α30, α31, α32 and α33 for 310Fl, and α32 for others. 296,298,300,302,304,306,308,310,312,314,316Sg, 304,306,308,310,312,314,316,318,320,322,324Fl, 310Fl, 314,316,318,320,322,324,326,328,330,332,334124, 312Lv, 314Og, 316120, 318122, 320124, 322126, 324128, 326130, 328132, 330134, 332136; calculated nuclear shell energies as functions of octupole deformation parameters α30, α31, α32 and α33, comparisons of nuclear shell-energies as functions of quadrupole deformation α20, and octupole deformation parameters α30 (pear-shaped), α31, α32, and α33 for Z-114, N=190-210, and for N=196, Z=114-136 nuclei. 296,298,300,302,304,306,308,310,312,314,316Sg, 314,316,318,320,322,324,326,328,330,332,334124; calculated energies at the equilibrium before and after allowing the α32 minimization. 280,282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320Fl, 282,284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322Lv, 284,286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324Og, 286,288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326120, 288,290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328122, 290,292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330124, 292,294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330,332126, 294,296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330,332,334128, 296,298,300,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330,332,334,336130; predicted quadrupole deformation α2, components of octupole deformation α30, α31, α32 and α33 for the ground states, energy differences between the nearest quadrupole-shape minima and octupole-deformed configurations; deduced spherical or octupole deformed, with dominance of octupole-tetrahedral geometry for a majority of superheavy nuclei, which lowers the ground-state energy by up to 8 MeV. Realistic phenomenological mean-field approach with the deformed Woods-Saxon potential and macroscopic-microscopic method to examine impact of exotic shapes of nuclei associated with the four-fold octupole degrees of freedom on the stabilization of superheavy nuclei in the mass range of Z=114-130, and N=166-206.

doi: 10.1103/PhysRevC.106.054314
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2021BE23      Phys.Rev.Lett. 127, 112501 (2021)

S.Beck, B.Kootte, I.Dedes, T.Dickel, A.A.Kwiatkowski, E.M.Lykiardopoulou, W.R.Plass, M.P.Reiter, C.Andreoiu, J.Bergmann, T.Brunner, D.Curien, J.Dilling, J.Dudek, E.Dunling, J.Flowerdew, A.Gaamouci, L.Graham, G.Gwinner, A.Jacobs, R.Klawitter, Y.Lan, E.Leistenschneider, N.Minkov, V.Monier, I.Mukul, S.F.Paul, C.Scheidenberger, R.I.Thompson, J.L.Tracy, Jr., M.Vansteenkiste, H.-L.Wang, M.E.Wieser, C.Will, J.Yang

Mass Measurements of Neutron-Deficient Yb Isotopes and Nuclear Structure at the Extreme Proton-Rich Side of the N=82 Shell

ATOMIC MASSES 150,151,152,153,154,155,156Yb; measured frequencies, TOF; deduced mass excess values. Comparison with systematics, AME2020 evaluation. TITAN's multiple-reflection time-of-flight mass spectrometer (MR-TOF-MS).

RADIOACTIVITY 151Yb(IT); measured decay products; deduced excitation energy.

doi: 10.1103/PhysRevLett.127.112501
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2021GA18      Phys.Rev. C 103, 054311 (2021)

A.Gaamouci, I.Dedes, J.Dudek, A.Baran, N.Benhamouda, D.Curien, H.L.Wang, J.Yang

Exotic toroidal and superdeformed configurations in light atomic nuclei: Predictions using a mean-field Hamiltonian without parametric correlations

NUCLEAR STRUCTURE 28Si, 28,30,38,40Si, 32,40,42S, 36Ar, 40Ca, 44Ti, 48Cr, 56Ni, 52,56Fe, 82,84,100Zr; A≈30-50; calculated nuclear potential energy surfaces in (α20, α40) and (β2cos(γ+30°)), (β2sin(γ+30°)) planes using mean-field calculations in multidimensional deformation spaces with phenomenological Woods-Saxon Hamiltonian, Monte-Carlo Hamiltonian parameter adjustments based on doubly-magic spherical nuclei: 16O, 40Ca, 48Ca, 56Ni, 90Zr, 132Sn, 146Gd and 208Pb, parametric-correlation removal; tested parametric uncertainties, theoretical prediction uncertainty propagation with nucleon numbers; generated nuclear shape coexistence, low-energy toroidal shape excitations, superdeformed oblate and prolate shapes, exotic shapes and isomers. Comparison with available experimental information for deformation parameters.

doi: 10.1103/PhysRevC.103.054311
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2020HO03      Phys.Lett. B 802, 135200 (2020)

C.Hornung, D.Amanbayev, I.Dedes, G.Kripko-Koncz, I.Miskun, N.Shimizu, S.Ayet S.Andres, J.Bergmann, T.Dickel, J.Dudek, J.Ebert, H.Geissel, M.Gorska, H.Grawe, F.Greiner, E.Haettner, T.Otsuka, W.R.Plass, S.Purushothaman, A.-Ka.Rink, C.Scheidenberger, H.Weick, S.Bagchi, A.Blazhev, O.Charviakova, D.Curien, A.Finlay, S.Kaur, W.Lippert, J.-H.Otto, Z.Patyk, S.Pietri, Y.K.Tanaka, Y.Tsunoda, J.S.Winfield

Isomer studies in the vicinity of the doubly-magic nucleus 100Sn: Observation of a new low-lying isomeric state in 97Ag

RADIOACTIVITY 97Ag, 101,103,105,107,109In(IT) [from 9Be(124Xe, X), E=600 MeV/nucleon]; measured decay products, mass-to-charge spectra; deduced mass excess, excitation energies. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2020.135200
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2019DE16      Phys.Rev. C 99, 054310 (2019)

I.Dedes, J.Dudek

Propagation of the nuclear mean-field uncertainties with increasing distance from the parameter adjustment zone: Applications to superheavy nuclei

NUCLEAR STRUCTURE 208Pb, 278,284,286,294,298,310,328,342Fl; calculated levels, probability distributions of uncertainties in neutron and proton single particle energies by combining the inverse problem theory with the Monte Carlo approach to obtain estimates of the uncertainty distributions for modeling predictions.

doi: 10.1103/PhysRevC.99.054310
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2019DE29      Eur.Phys.J. A 55, 193 (2019)

W.Detmold, R.G.Edwards, J.J.Dudek, M.Engelhardt, H.-W.Lin, S.Meinel, K.Orginos, P.Shanahan, USQCD Collaboration

Hadrons and nuclei

doi: 10.1140/epja/i2019-12902-4
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2019DU22      Acta Phys.Pol. B50, 685 (2019)

J.Dudek, I.Dedes, J.Yang, A.Baran, D.Curien, T.Dickel, A.Gozdz, D.Rouvel, H.L.Wang

High-rank Symmetries in Nuclei: Challenges for Prediction Capacities of the Nuclear Mean-field Theories

NUCLEAR STRUCTURE 226Th; calculated total nuclear energy surfaces. Discussed the possible structure of rotational bands in cases of tetrahedral and octahedral nuclear symmetries. Mean-field approach with the phenomenological “universal” Woods–Saxon Hamiltonian.

doi: 10.5506/aphyspolb.50.685
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2019RO08      Phys.Rev. C 99, 041303 (2019)

D.Rouvel, J.Dudek

New approach to the adiabaticity concepts in the collective nuclear motion: Impact for the collective-inertia tensor and comparisons with experiment

NUCLEAR STRUCTURE 208Pb; calculated level energies, B(E2), B(E3) for the first 3- and 2+, and second 0+ states using new method for calculating the nuclear collective inertia tensor within the adiabatic cranking model. Comparison with experimental values, and with predictions from traditional way of mass tensor calculations.

doi: 10.1103/PhysRevC.99.041303
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2019SA61      J.Phys.(London) G46, 055102 (2019); Corrigendum J.Phys.(London) G46, 109501 (2019)

A.Saha, T.Bhattacharjee, D.Curien, J.Dudek, I.Dedes, K.Mazurek, A.Gozdz, S.Tagami, Y.R.Shimizu, S.R.Banerjee, S.Rajbanshi, A.Bisoi, G.de Angelis, S.Bhattacharya, S.Bhattacharyya, S.Biswas, A.Chakraborty, S.Das Gupta, B.Dey, A.Goswami, D.Mondal, D.Pandit, R.Palit, T.Roy, R.P.Singh, M.S.Sarkar, S.Saha, J.Sethi

Spectroscopy of a tetrahedral doubly magic candidate nucleus 16070Yb90

NUCLEAR REACTIONS 148Sm(16O, 4n)160Yb, E=90 MeV; measured reaction products, Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(θ)(ADO) and γγ(linearpol) using INGA array of 20 Compton-suppressed HPGe clover detectors at TIFR pelletron facility. 160Yb; deduced high-spin levels, J, π, multipolarities, rotational bands, alignments, tetrahedral deformation. Systematics of g.s. and negative-parity bands in 152,154,156Gd.

doi: 10.1088/1361-6471/ab0573
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2018DU02      Phys.Rev. C 97, 021302 (2018)

J.Dudek, D.Curien, I.Dedes, K.Mazurek, S.Tagami, Y.R.Shimizu, T.Bhattacharjee

Spectroscopic criteria for identification of nuclear tetrahedral and octahedral symmetries: Illustration on a rare earth nucleus

NUCLEAR STRUCTURE 152Sm; calculated realistic mean-field total nuclear energy; analyzed energy levels. Comparison with group theory predictions, nuclear point-group symmetries, nuclear tetrahedral and octahedral symmetries. Spectral analysis based on irreducible representations; deduced criteria for identification of tetrahedral and octahedral symmetries. Realistic nuclear mean-field theory calculations with the phenomenological macroscopic-microscopic method, the Gogny-Hartree-Fock-Bogoliubov approach.

doi: 10.1103/PhysRevC.97.021302
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2018TA22      Phys.Rev. C 98, 024304 (2018)

S.Tagami, Y.R.Shimizu, J.Dudek

First-order Coriolis-coupling for the rotational spectrum of a tetrahedrally deformed core plus one-particle system

NUCLEAR STRUCTURE 81Zr; calculated levels, J, π for K=1/2 rotational structure properties of the tetrahedrally symmetric even-even core configurations coupled with a single valence nucleon. Angular-momentum and parity projection method, and the Coriolis-coupling model.

doi: 10.1103/PhysRevC.98.024304
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2017GO05      Acta Phys.Pol. B48, 281 (2017)

A.Gozdz, A.Pedrak, J.Dudek

GCM+GOA Electromagnetic Multipole Transition Operators and Symmetries of Generating Functions

doi: 10.5506/APhysPolB.48.281
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2017HA03      Phys.Rev. C 95, 014321 (2017)

D.J.Hartley, L.L.Riedinger, R.V.F.Janssens, S.N.T.Majola, M.A.Riley, J.M.Allmond, C.W.Beausang, M.P.Carpenter, C.J.Chiara, N.Cooper, D.Curien, B.J.P.Gall, P.E.Garrett, F.G.Kondev, W.D.Kulp, T.Lauritsen, E.A.McCutchan, D.Miller, S.Miller, J.Piot, N.Redon, J.F.Sharpey-Schafer, J.Simpson, I.Stefanescu, X.Wang, V.Werner, J.L.Wood, C.-H.Yu, S.Zhu, J.Dudek

Investigation of negative-parity states in 156Dy: Search for evidence of tetrahedral symmetry

NUCLEAR REACTIONS 148Nd(12C, 4n), E=65 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using GAMMASPHERE array at ATLAS-ANL facility. 156Dy; deduced high-spin levels, J, π, multipolarities, negative-parity bands, alignments, configurations, B(E2)/B(E1) ratios and octupole excitations, no evidence for tetrahedral symmetry. Systematics of Kπ=0-, 3- and Kπ=1-, 4- states in N=90 isotones 152Sm, 154Gd, 156Dy and 160Yb.

doi: 10.1103/PhysRevC.95.014321
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2016LO01      Phys.Rev. C 93, 014316 (2016)

R.Lozeva, H.Naidja, F.Nowacki, J.Dudek, A.Odahara, C.-B.Moon, S.Nishimura, P.Doornenbal, J.-M.Daugas, P.-A.Soderstrom, T.Sumikama, G.Lorusso, J.Wu, Z.Y.Xu, H.Baba, F.Browne, R.Daido, Y.Fang, T.Isobe, I.Kojouharov, N.Kurz, Z.Patel, S.Rice, H.Sakurai, H.Schaffner, L.Sinclair, H.Watanabe, A.Yagi, R.Yokoyama, T.Kubo, N.Inabe, H.Suzuki, N.Fukuda, D.Kameda, H.Takeda, D.S.Ahn, D.Murai, F.L.Bello Garrote, F.Didierjean, E.Ideguchi, T.Ishigaki, H.S.Jung, T.Komatsubara, Y.K.Kwon, P.Lee, C.S.Lee, S.Morimoto, M.Niikura, H.Nishibata, I.Nishizuka

New isomer found in 14051Sb89: sphericity and shell evolution between N=82 and N=90

NUCLEAR REACTIONS 9Be(238U, F)140Sb, E=345 MeV/nucleon]; measured Enullg, Inullg, delayed γγ-coin, isomer half-life using EURICA 4π array, BigRIPS and ZeroDegree spectrometers at RIBF-RIKEN. 140Sb; deduced levels, J, π, multipolarity, configuration, B(M1), B(E2). 136,140Sb; compared isomeric populations. Comparison with shell model and mean Field calculations with Woods-Saxon potential. Systematics of (6-) and (7-) states; deduced evidence for evolution of πg7/2 and πd5/2 orbitals in 134,136,140Sb, and for νf7/2 orbital evolution up to N=89. Possible spin traps.

doi: 10.1103/PhysRevC.93.014316
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2015CI04      Phys.Rev. C 91, 054313 (2015)

M.Ciemala, M.Kmiecik, A.Maj, K.Mazurek, A.Bracco, V.L.Kravchuk, G.Casini, S.Barlini, G.Baiocco, L.Bardelli, P.Bednarczyk, G.Benzoni, M.Bini, N.Blasi, S.Brambilla, M.Bruno, F.Camera, S.Carboni, M.Cinausero, A.Chbihi, M.Chiari, A.Corsi, F.C.L.Crespi, M.D'Agostino, M.Degerlier, B.Fornal, A.Giaz, F.Gramegna, M.Krzysiek, S.Leoni, T.Marchi, M.Matejska-Minda, I.Mazumdar, W.Meczynski, B.Million, D.Montanari, L.Morelli, S.Myalski, A.Nannini, R.Nicolini, G.Pasquali, S.Piantelli, G.Prete, O.J.Roberts, Ch.Schmitt, J.Styczen, B.Szpak, S.Valdre, B.Wasilewska, O.Wieland, J.P.Wieleczko, M.Zieblinski, J.Dudek, N.Dinh Dang

Giant dipole resonance built on hot rotating nuclei produced during evaporation of light particles from the 88Mo compound nucleus

NUCLEAR REACTIONS 40Ca(48Ti, X)88Mo*, E=300, 600 MeV; measured Eγ, Iγ, Eα, Iα, Ep, Ip, nuclear products, light charged particles (LCP) and light reaction fragment spectra using GARFIELD array for particles and HECTOR array for γ rays, angular distributions of the evaporation residues, time-of-flight at TANDEM+ALPI accelerator of Legnaro; deduced GDR parameters, centroid energies, widths and strengths, yields, distribution of nuclei as function of nuclear temperature, temperature distributions of the number of nuclei after the GDR emission. Comparison with statistical code GEMINI++ model calculations.

doi: 10.1103/PhysRevC.91.054313
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2015MA14      Phys.Rev. C 91, 034301 (2015)

K.Mazurek, J.Dudek, A.Maj, D.Rouvel

Nuclear Jacobi and Poincare transitions at high spins and temperatures: Account of dynamic effects and large-amplitude motion

NUCLEAR STRUCTURE 46Ti, 64,70,76,94Se, 75Br, 88,90,98Mo, 120Cd, 128,142Ba, 147Eu, 173Lu, 202,228Ra; calculated nuclear Jacobi and Poincare shape transitions, fission barriers, potential energy surfaces in (β, γ) plane, static and dynamic equilibrium deformations, rotational properties at high spins, most probable deformations. Lublin-Strasbourg drop model. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.034301
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2015TA01      J.Phys.(London) G42, 15106 (2015)

S.Tagami, Y.R.Shimizu, J.Dudek

Tetrahedral symmetry in Zr nuclei: calculations of low-energy excitations with Gogny interaction

NUCLEAR STRUCTURE 80,96,110Zr; calculated the low energy excitation patterns, J, π, correlation energy. Realistic Gogny effective interactions.

doi: 10.1088/0954-3899/42/1/015106
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2014DU16      Phys.Scr. 89, 054007 (2014)

J.Dudek, D.Curien, D.Rouvel, K.Mazurek, Y.R.Shimizu, S.Tagami

The suggested presence of tetrahedral symmetry in the ground-state configuration of the 9640Zr56 nucleus

NUCLEAR STRUCTURE 76Ge, 74Se, 76Kr; calculated energy surface with deformations. 90Zr; calculated proton single-particle levels vs axial-symmetry octupole deformation and vs tetrahedral deformation. 96Zr; calculated low-lying levels, J, π, B(E1), B(E2), B(E3); deduced possible gs tetrahedral deformation. Mean field methods with point-group symmetries.

doi: 10.1088/0031-8949/89/5/054007
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2014JE02      Phys.Scr. 89, 054017 (2014)

M.Jentschel, L.Sengele, D.Curien, J.Dudek, F.Haas

The negative parity bands in 156Gd

NUCLEAR REACTIONS 155Gd(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced energy energy levels, T1/2, B(E1), B(E2), quadrupole moments. Comparison with available data.

doi: 10.1088/0031-8949/89/5/054017
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2014TA36      Phys.Scr. 89, 054013 (2014)

S.Tagami, M.Shimada, Y.Fujioka, Y.R.Shimizu, J.Dudek

Nuclear tetrahedral states and high-spin states studied using the quantum number projection method

NUCLEAR STRUCTURE 80,81,82Zr, 104Rh; calculated low-lying levels, J, π; deduced rotational spectra for tetrahedral deformation. 163Lu; calculated low and high spin levels, J, π, B(E2), triaxial superdeformed states. 40Mg; calculated moment of inertia. HFB mean field with allowance for triaxial superdeformed nuclei and tetrahedral deformation; preliminary. Compared with available data.

doi: 10.1088/0031-8949/89/5/054013
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2013DU01      Acta Phys.Pol. B44, 305 (2013)

J.Dudek, D.Curien, A.Gozdz, Y.R.Shimizu, S.Tagami

Exotic Geometrical Symmetries in Nuclei: From Group Theory to Experiments

COMPILATION 156Gd; compiled experimental B(E2)/B(E1) ratios.

doi: 10.5506/APhysPolB.44.305
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2013DU07      Phys.Scr. T154, 014002 (2013)

J.Dudek, B.Szpak, B.Fornal, A.Dromard

Predictive power and theoretical uncertainties of mathematical modelling for nuclear physics

NUCLEAR STRUCTURE 16O, 40,48Ca, 56Ni, 90Zr, 100,132Sn, 208Pb; calculated level energies, J, π, proton radius and their uncertainties. Comparison with available data.

doi: 10.1088/0031-8949/2013/T154/014002
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2013MO05      Acta Phys.Pol. B44, 327 (2013)

H.Molique, J.Dudek

Nuclear Mean-field Techniques: Adequacy of Interactions and Implied Predictions

doi: 10.5506/APhysPolB.44.327
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2013TA15      Phys.Rev. C 87, 054306 (2013)

S.Tagami, Y.R.Shimizu, J.Dudek

Microscopic study of tetrahedrally symmetric nuclei by an angular-momentum and parity projection method

NUCLEAR STRUCTURE 110Zr, 160Yb, 226Th; calculated levels, J, π, rotational energy spectra, tetrahedral and quadrupole deformed states, moments of inertia, neutron and proton pairing gaps. Microscopic Woods-Saxon mean-field and residual-interaction Hamiltonians with angular-momentum and parity projection method for deformed nuclei with tetrahedral doubly closed shell configurations. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.054306
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2012DU12      Int.J.Mod.Phys. E21, 1250053 (2012)

J.Dudek, B.Szpak, A.Dromard, M.-G.Porquet, B.Fornal, A.Gozdz

Nuclear physics Hamiltonians, inverse problem and the related issue of predictive power

doi: 10.1142/S021830131250053X
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2012DU14      Eur.Phys.J. A 48, 187 (2012)

Jo.Dudek, R.Ent, R.Essig, K.S.Kumar, C.Meyer, R.D.McKeown, Z.E.Meziani, G.A.Miller, M.Pennington, D.Richards, L.Weinstein, G.Young, S.Brown

Physics opportunities with the 12 GeV upgrade at Jefferson Lab

doi: 10.1140/epja/i2012-12187-1
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2012MO16      Int.J.Mod.Phys. E21, 1250037 (2012)

H.Molique, J.Dudek

On the way towards increasing the predictive power of the nuclear mean field theories: Evaluation of two-body matrix elements

doi: 10.1142/S0218301312500371
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2012TA16      Prog.Theor.Phys.(Kyoto), Suppl. 196, 334 (2012)

S.Tagami, Y.R.Shimizu, J.Dudek

Efficient Method for Quantum Number Projection and Its Application to Tetrahedral Nuclear States

NUCLEAR STRUCTURE 108,110Zr; calculated energy spectra of tetrahedral deformation, moment of inertia, energy levels, J, π. HFB type mean field calculations.

doi: 10.1143/PTPS.196.334
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2011CI01      Acta Phys.Pol. B42, 633 (2011)

M.Ciemala, M.Kmiecik, V.L.Kravchuk, A.Maj, S.Barlini, G.Casini, F.Gramegna, F.Camera, A.Corsi, L.Bardelli, P.Bednarczyk, B.Fornal, M.Matejska-Minda, K.Mazurek, W.Meczynski, S.Myalski, J.Styczen, B.Szpak, M.Zieblinski, M.Cinausero, T.Marchi, V.Rizzi, G.Prete, M.Degerlier, G.Benzoni, N.Blasi, A.Bracco, S.Brambilla, F.Crespi, S.Leoni, B.Million, O.Wieland, D.Montanari, R.Nicolini, A.Giaz, V.Vandone, G.Baiocco, M.Bruno, M.D'Agostino, L.Morelli, G.Vannini, M.Chiari, A.Nannini, S.Piantelli, A.Chbihi, J.P.Wieleczko, I.Mazumdar, O.Roberts, J.Dudek

Search for Jacobi Shape Transition in Hot Rotating 88Mo Nuclei Through Giant Dipole Resonance Decay

NUCLEAR REACTIONS 40Ca(48Ti, X)88Mo, E=300, 450, 600 MeV; measured Eγ, Iγ; deduced increase of low-energy component of Giant Dipole Resonance strength function, possible existence of the Jacobi shape transition. Comparison with theoretical calculations.

2011CU02      Int.J.Mod.Phys. E20, 219 (2011)

D.Curien, J.Dudek, H.Molique, L.Sengele, A.Gozdz, K.Mazurek

Search for Tetrahedral Symmetry in nuclei: A Short Overview

doi: 10.1142/S0218301311017557
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2011DO04      Int.J.Mod.Phys. E20, 500 (2011)

A.Dobrowolski, A.Gozdz, K.Mazurek, J.Dudek

Tetrahedral symmetry in nuclei: New predictions based on the collective model

NUCLEAR STRUCTURE 156Dy; calculated potential energy surfaces, probability density distributions.

doi: 10.1142/S0218301311017910
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2011GO01      Acta Phys.Pol. B42, 459 (2011)

A.Gozdz, A.Szulerecka, A.Dobrowolski, J.Dudek

Nuclear Collective Models and Partial Symmetries

NUCLEAR STRUCTURE 156Gd, 156Dy; calculated quadrupole moments, B(E1), B(E2).

2011GO06      Int.J.Mod.Phys. E20, 199 (2011)

A.Gozdz, A.Szulerecka, A.Dobrowolski, J.Dudek

Symmetries in the intrinsic nuclear frames

doi: 10.1142/S0218301311017521
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2011MA11      Acta Phys.Pol. B42, 471 (2011)

K.Mazurek, J.Dudek, M.Kmiecik, A.Maj, J.P.Wieleczko, D.Rouvel

Poincare Shape Transitions in Hot Rotating Nuclei

NUCLEAR STRUCTURE 116,128,142,152Ba; calculated potential energy surfaces, multipole deformations, gigantic back-bending. Lublin-Strasbourg Drop model.

doi: 10.5506/APhysPolB.42.471
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2011MO13      Int.J.Mod.Phys. E20, 811 (2011)

H.Molique, J.Dudek, A.Gozdz, K.Mazurek

Exotic nuclear shapes and the level mixing models

doi: 10.1142/S0218301311018733
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2010CU03      J.Phys.:Conf.Ser. 205, 012034 (2010)

D.Curien, J.Dudek, K.Mazurek

Tetrahedral symmetry in nuclei: Search for its fingerprints in the Actinide and Rare-Earth regions

NUCLEAR STRUCTURE 156Gd; calculated potential energy surface, deformation; deduced shapes characterized by tetrahedral symmetry.

NUCLEAR REACTIONS 154Sm(α, 2n), E=27.5 MeV; measured Eγ, Iγ, γγ-coin using JUROGAM; deduced 156Gd branching ratios, B(E2), B(E1). Compared with experiments leading to 156Gd or near-by nuclei in other laboratories.

doi: 10.1088/1742-6596/205/1/012034
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2010DO06      Int.J.Mod.Phys. E19, 685 (2010)

A.Dobrowolski, A.Gozdz, J.Dudek

On a selection rule for electric transition in axially-symmetric nuclei

doi: 10.1142/S0218301310015102
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2010DO13      Phys.Rev. C 82, 067306 (2010)

Q.T.Doan, A.Vancraeyenest, O.Stezowski, D.Guinet, D.Curien, J.Dudek, Ph.Lautesse, G.Lehaut, N.Redon, Ch.Schmitt, G.Duchene, B.Gall, H.Molique, J.Piot, P.T.Greenlees, U.Jakobsson, R.Julin, S.Juutinen, P.Jones, S.Ketelhut, M.Nyman, P.Peura, P.Rahkila, A.Gozdz, K.Mazurek, N.Schunck, K.Zuber, P.Bednarczyk, A.Maj, A.Astier, I.Deloncle, D.Verney, G.de Angelis, J.Gerl

Spectroscopic information about a hypothetical tetrahedral configuration in 156Gd

NUCLEAR REACTIONS 154Sm(4He, 2n), E=27 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) using JUROGAM array. 156Gd; deduced levels, J, π, bands, multipolarity, mixing ratio. Search for evidence of hypothetical tetrahedral configuration in 156Gd.

doi: 10.1103/PhysRevC.82.067306
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Data from this article have been entered in the XUNDL database. For more information, click here.

2010DU04      Int.J.Mod.Phys. E19, 652 (2010)

J.Dudek, K.Rybak, B.Szpak, M.-G.Porquet, H.Molique, B.Fornal

Nuclear mean-field Hamiltonians and factors limiting their predictive power

NUCLEAR STRUCTURE 40Ca; calculated single-particle levels for protons and neutrons.

doi: 10.1142/S0218301310015060
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2010GO04      Int.J.Mod.Phys. E19, 621 (2010)

A.Gozdz, A.Dobrowolski, J.Dudek, K.Mazurek

Modeling the electromagnetic transitions in tetrahedral-symmetric nuclei

NUCLEAR STRUCTURE 156Dy; calculated collective excitations, static quadrupole moment, B(E2).

doi: 10.1142/S0218301310015035
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2010JE02      Phys.Rev.Lett. 104, 222502 (2010)

M.Jentschel, W.Urban, J.Krempel, D.Tonev, J.Dudek, D.Curien, B.Lauss, G.de Angelis, P.Petkov

Ultrahigh-Resolution γ-Ray Spectroscopy of 156Gd: A Test of Tetrahedral Symmetry

NUCLEAR REACTIONS 155Gd(n, γ), E not given; measured Eγ, Iγ; 156Gd; deduced energy levels, J, π, transition lifetime, B(E2), B(E1), quadrupole moments, odd-spin negative parity band. GAMS4/5 Bragg spectrometers.

doi: 10.1103/PhysRevLett.104.222502
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Data from this article have been entered in the XUNDL database. For more information, click here.

2010MA21      Int.J.Mod.Phys. E19, 532 (2010)

A.Maj, K.Mazurek, J.Dudek, M.Kmiecik, D.Rouvel

Shape evolution at high spins and temperatures: nuclear Jacobi and Poincare transitions

NUCLEAR STRUCTURE 46Ti, 142Ba; calculated Jacobi and Poincare shape transitions.

doi: 10.1142/S0218301310014947
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2010MO08      Int.J.Mod.Phys. E19, 633 (2010)

H.Molique, J.Dudek, D.Curien, A.Gozdz, A.Dobrowolski

Nuclear rotational-band interaction-mechanism revisited

doi: 10.1142/S0218301310015047
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2010SZ01      Int.J.Mod.Phys. E19, 665 (2010)

B.Szpak, J.Dudek, M.-G.Porquet, K.Rybak, H.Molique, B.Fornal

Nuclear mean-field Hamiltonians and factors limiting their spectroscopic predictive power: Illustrations

NUCLEAR STRUCTURE 208Pb; calculated single-particle energies, set of neutron parameters of the Woods-saxon Hamiltonian.

doi: 10.1142/S0218301310015072
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2009DO08      Acta Phys.Pol. B40, 725 (2009)

Q.T.Doan, D.Curien, O.Stezowski, J.Dudek, K.Mazurek, A.Gozdz, J.Piot, G.Duchene, B.Gall, H.Molique, M.Richet, P.Medina, D.Guinet, N.Redon, Ch.Schmitt, P.Jones, P.Peura, S.Ketelhut, M.Nyman, U.Jakobsson, P.T.Greenlees, R.Julin, S.Juutinen, P.Rahkila, A.Maj, K.Zuber, P.Bednarczyk, N.Schunck, J.Dobaczewski, A.Astier, I.Deloncle, D.Verney, G.de Angelis, J.Gerl

Search for Fingerprints of Tetrahedral Symmetry in 156Gd

NUCLEAR REACTIONS 154Sm(α, 2n), E=27 MeV; measured Eγ, Iγ, γγ-coin; deduced B(E2)/B(E1).

2009DU04      Acta Phys.Pol. B40, 713 (2009)

J.Dudek, K.Mazurek, D.Curien, A.Dobrowolski, A.Gozdz, D.Hartley, A.Maj, L.Riedinger, N.Schunck

Theory of Nuclear Stability Using Point GROUP Symmetries: Outline and Illustrations

2009DU15      Int.J.Mod.Phys. E18, 2155 (2009)

J.Dudek, D.Curien, A.Gozdz, K.Mazurek

Nuclear point-group symmetries and new ideas about nuclear stability: an overview

doi: 10.1142/S0218301309014470
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2009GO21      Int.J.Mod.Phys. E18, 1028 (2009)

A.Gozdz, M.Miskiewicz, J.Dudek, A.Dobrowolski

Collective Hamiltonians with tetrahedral symmetry: formalism and general features

doi: 10.1142/S0218301309013191
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2009MA29      Acta Phys.Pol. B40, 731 (2009)

K.Mazurek, J.Dudek, A.Gozdz, D.Curien, M.Kmiecik, A.Maj

New Nuclear Stability Islands of Octahedral and Tetrahedral Shapes

2009MO14      Acta Phys.Pol. B40, 597 (2009)

H.Molique, J.Dudek, K.Rybak, M.G.Porquet

A New Mean Field Approach for Exotic Nuclei

2008GO08      Int.J.Mod.Phys. E17, 272 (2008)

A.Gozdz, M.Miskiewicz, J.Dudek

Tensor formalism for rotational and vibrational nuclear motions with discrete symmetries rotational terms

doi: 10.1142/S0218301308009793
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2008MA12      Int.J.Mod.Phys. E17, 132 (2008)

K.Mazurek, M.Matejska, M.Kmiecik, A.Maj, J.Dudek

Influence of the level density parameterization on the effective GDR width at high spins

NUCLEAR STRUCTURE 106Sn, 147Eu, 176W, 194Hg; calculated effective GDR strength-functions and GDR widths at high spins using the thermal shape fluctuation method with the Lublin-Strasbourg Drop (LSD) model. Comparisons with experimental data.

doi: 10.1142/S0218301308009628
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2008RO02      Phys.Rev. C 77, 014308 (2008)

J.Robin, Th.Byrski, G.Duchene, F.A.Beck, D.Curien, N.Dubray, J.Dudek, A.Gozdz, A.Odahara, N.Schunck, N.Adimi, D.E.Appelbe, P.Bednarczyk, A.Bracco, B.Cederwall, S.Courtin, D.M.Cullen, O.Dorvaux, S.Ertuck, G.de France, B.Gall, P.Joshi, S.L.King, A.Korichi, K.Lagergren, G.Lo Bianco, S.Leoni, A.Lopez-Martens, S.Lunardi, B.Million, A.Nourredine, E.Pachoud, E.S.Paul, C.Petrache, I.Piqueras, N.Redon, A.Saltarelli, J.Simpson, O.Stezowski, R.Venturelli, J.P.Vivien, K.Zuber

Extended investigation of superdeformed bands in 151, 152Tb nuclei

NUCLEAR REACTIONS 130Te(27Al, xn), E=155 MeV; measured Eγ, Iγ, γγ-coin. 151,152Tb; deduced levels, J, π, superdeformed bands, dynamical moments, configurations; calculated single-particle energy levels. Compared with calculations and superdeformed bands in 150Tb, 152Dy.

doi: 10.1103/PhysRevC.77.014308
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Data from this article have been entered in the XUNDL database. For more information, click here.

2007BR25      Nucl.Phys. A788, 224c (2007)

M.Brekiesz, A.Maj, M.Kmiecik, K.Mazurek, W.Meczynski, J.Styczen, K.Zuber, P.Papka, C.Beck, F.Haas, V.Rauch, M.Rousseau, A.Sanchez i Zafra, J.Dudek, N.Schunck

Deformation Effects in Hot Rotating 46Ti Probed by the Charged Particle Emission and GDR γ-Decay

NUCLEAR REACTIONS 19F(27Al, X), E=144 MeV; measured Eγ, Iγ, Eα, Iα, (residue)α-coin. 46Ti deduced giant dipole resonance strength distributions.

doi: 10.1016/j.nuclphysa.2007.01.061
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2007DU07      Int.J.Mod.Phys. E16, 516 (2007)

J.Dudek, J.Dobaczewski, N.Dubray, A.Gozdz, V.Pangon, N.Schunck

Nuclei with tetrahedral symmetry

NUCLEAR STRUCTURE 154Gd; calculated single-particle level energies vs tetrahedral deformation. 156Dy; calculated potential energy surfaces. 148,150,152Sm, 150,152,154Gd; calculated energy differences between spherical and tetrahedral minima.

doi: 10.1142/S0218301307005958
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2007DU15      Acta Phys.Pol. B38, 1389 (2007)

J.Dudek, A.Gozdz, D.Curien, V.Pangon, N.Schunck

Nuclear Tetrahedral Symmetry and Collective Rotation

2007GO04      Int.J.Mod.Phys. E16, 541 (2007)

A.Gozdz, J.Dudek

Optimized description of nuclear shapes and symmetries

doi: 10.1142/S0218301307005971
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2007HE20      Acta Phys.Pol. B38, 1421 (2007)

B.Herskind, G.B.Hagemann, Th.Dossing, C.R.Hansen, N.Schunck, G.Sletten, S.Odegard, H.Hubel, P.Bringel, A.Burger, A.Neusser, A.K.Singh, A.Al-Khatib, S.B.Patel, B.M.Nyako, A.Algora, Z.Dombradi, J.Gal, G.Kalinka, D.Sohler, J.Molnar, J.Timar, L.Zolnai, K.Juhasz, A.Bracco, S.Leoni, F.Camera, G.Benzoni, P.Mason, A.Paleni, B.Million, O.Wieland, P.Bednarczyk, F.Azaiez, Th.Byrski, D.Curien, O.Dakov, G.Duchene, F.Khalfallah, B.Gall, L.Piqeras, J.Robin, J.Dudek, N.Rowley, N.Redon, F.Hannachi, J.N.Scheurer, J.N.Wilson, A.Lopez-Martens, A.Korichi, K.Hauschild, J.Roccaz, S.Siem, P.Fallon, I.Y.Lee, A.Gorgen, A.Maj, M.Kmiecik, M.Brekiesz, J.Styczen, K.Zuber, J.C.Lisle, B.Cederwall, K.Lagergren, A.O.Evans, G.Rainovski, G.De Angelis, G.La Rana, R.Moro, R.M.Lieder, E.O.Lieder, W.Gast, H.Jager, A.A.Pasternak, C.M.Petrache, D.Petrache

Light Charged Particles as Gateway to Hyperdeformation

NUCLEAR REACTIONS 64Ni(64Ni, F), E=255, 261 MeV; measured Eγ, Iγ, (particle)γ-coinc, charged particle angular distributions. 118Te, 124Xe, 124,125Cs deduced levels, J.

2007KM01      Acta Phys.Pol. B38, 1437 (2007)

M.Kmiecik, A.Maj, M.Brekiesz, K.Mazurek, P.Bednarczyk, J.Grebosz, W.Meczynski, J.Styczen, M.Zieblinski, K.Zuber, P.Papka, C.Beck, D.Curien, F.Haas, V.Rauch, M.Rousseau, J.Dudek, N.Schunck, A.Bracco, F.Camera, G.Benzoni, O.Wieland, B.Herskind, E.Farnea, G.De Angelis

Strong Deformation Effects in Hot Rotating 46Ti

NUCLEAR REACTIONS 28Si(18O, F), E=105 MeV; measured Eγ, Ep, Eα, yields, angular distributions, and (particle)γ-coinc. 46Ti deduced deformation effects.

2007MA42      Acta Phys.Pol. B38, 1455 (2007)

K.Mazurek, M.Kmiecik, A.Maj, J.Dudek, N.Schunck

Effective GDR Width of 132Ce at High Spins and Temperatures from the LSD Model

NUCLEAR STRUCTURE 132Ce; calculated effective GDR width as a function of angular momentum and temperature using the thermal shape fluctuation method. Compared results to data.

2007MO06      Int.J.Mod.Phys. E16, 298 (2007)

H.Molique, J.Dudek

Particle-particle hole-hole TDA - and beyond - for the nuclear pairing Hamiltonian

doi: 10.1142/S0218301307005739
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2007MO22      Acta Phys.Pol. B38, 1405 (2007)

H.Molique, J.Dudek

Exact and Nearly Exact Pairing Treatment for Large Scale Calculations

2007SC22      Phys.Rev. C 75, 054304 (2007)

N.Schunck, J.Dudek, B.Herskind

Nuclear hyperdeformation and the Jacobi shape transition

NUCLEAR STRUCTURE 108Cd, 122Xe, 125Cs, 152Dy, 170Yb; calculated total free energy, deformation parameters, and kinematical moments using state of the art mean field theory.

doi: 10.1103/PhysRevC.75.054304
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2006DU12      Phys.Rev.Lett. 97, 072501 (2006)

J.Dudek, D.Curien, N.Dubray, J.Dobaczewski, V.Pangon, P.Olbratowski, N.Schunck

Island of Rare Earth Nuclei with Tetrahedral and Octahedral Symmetries: Possible Experimental Evidence

NUCLEAR STRUCTURE 152,154,156Gd; calculated energy vs deformation; deduced possible tetrahedral and octahedral symmetries. 156Gd; analyzed levels, J, π, possible tetrahedral rotational band. Mean-field approach.

doi: 10.1103/PhysRevLett.97.072501
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2006HE26      Phys.Scr. T125, 108 (2006)

B.Herskind, G.B.Hagemann, G.Sletten, Th.Dossing, C.R.Hansen, N.Schunck, S.Odegard, H.Hubel, P.Bringel, A.Burger, A.Neusser, A.K.Singh, A.Al-Khatib, S.B.Patel, A.Bracco, S.Leoni, F.Camera, G.Benzoni, P.Mason, A.Paleni, B.Million, O.Wieland, P.Bednarczyk, F.Azaiez, Th.Byrski, D.Curien, O.Dakov, G.Duchene, F.Khalfallah, B.Gall, I.Piqueras, J.Robin, J.Dudek, N.Rowley, B.M.Nyako, A.Algora, Z.Dombradi, J.Gal, G.Kalinka, D.Sohler, J.Molnar, J.Timar, L.Zolnai, K.Juhasz, N.Redon, F.Hannachi, J.N.Scheurer, J.N.Wilson, A.Lopez-Martens, A.Korichi, K.Hauschild, J.Roccaz, S.Siem, P.Fallon, I.Y.Lee, A.Gorgen, A.Maj, M.Kmiecik, M.Brekiesz, J.Styczen, K.Zuber, J.C.Lisle, B.Cederwall, K.Lagergren, A.O.Evans, G.Rainovski, G.De Angelis, G.La Rana, R.Moro, W.Gast, R.M.Lieder, E.Podsvirova, H.Jager, C.M.Petrache, D.Petrache

Charged particle feeding of hyperdeformed nuclei in the A=118-126 region

NUCLEAR REACTIONS 64Ni(64Ni, xnypzα), E=255, 261 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 118,120Te, 121,122I, 121,122,123,124Xe, 124,125Cs, 126Ba deduced superdeformed and hyperdeformed ridge structures. Euroball IV and Diamant arrays.

doi: 10.1088/0031-8949/2006/T125/025
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2006MA15      Int.J.Mod.Phys. E15, 542 (2006)

K.Mazurek, N.Dubray, J.Dudek, N.Schunck

Exotic deformations in the actinide region

doi: 10.1142/S0218301306004491
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2006OL04      Phys.Rev. C 73, 054308 (2006)

P.Olbratowski, J.Dobaczewski, J.Dudek

Search for the Skyrme-Hartree-Fock solutions for chiral rotation in N = 75 isotones

NUCLEAR STRUCTURE 130Cs, 132La, 134Pr, 136Pm; calculated single-particle Routhians, rotational bands energies, configurations; deduced chiral rotation features. Skyrme-Hartree-Fock cranking approach.

doi: 10.1103/PhysRevC.73.054308
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2006SC08      Int.J.Mod.Phys. E15, 490 (2006)

N.Schunck, P.Olbratowski, J.Dudek, J.Dobaczewski

Rotation of tetrahedral nuclei in the cranking model

NUCLEAR STRUCTURE 110Zr; calculated deformation parameters of tetrahedral minimum vs rotational frequency. Self-consistent Skyrme-HFB approach.

doi: 10.1142/S0218301306004417
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2006SC28      Phys.Scr. T125, 218 (2006)

N.Schunck, J.Dudek, B.Herskind

Nuclear hyper-deformation and the Jacobi shape transition

NUCLEAR STRUCTURE 122Xe; calculated potential energy surfaces, superdeformation. Macroscopic-microscopic model, thermal effects.

doi: 10.1088/0031-8949/2006/T125/059
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2005DU08      Acta Phys.Pol. B36, 975 (2005)

J.Dudek, N.Schunck, N.Dubray

Search for the nuclear hyper-deformation: motivations and new strategies

2005DU09      Acta Phys.Pol. B36, 1161 (2005)

N.Dubray, J.Dudek, A.Maj

Statistical description of the thermal shape fluctuations using realistic microscopic and macroscopic models

NUCLEAR STRUCTURE 46Ti, 216Rn; calculated γ-spectra for GDR decay. Thermal shape fluctuations, statistical approach, Lublin-Strasbourg drop model.

2005DU11      Int.J.Mod.Phys. E14, 383 (2005)

J.Dudek, K.Mazurek, B.Nerlo-Pomorska

Search for the tri-axial hexadecapole-deformation effects in trans-actinide nuclei

NUCLEAR STRUCTURE 238U, 250,252Cf, 256,258Fm; calculated energy vs deformation, tri-axial hexadecapole-deformation effects. Macroscopic-microscopic method, comparison with Hartree-Fock-Bogoliubov approach.

doi: 10.1142/S0218301305003168
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2005DU12      Int.J.Mod.Phys. E14, 389 (2005)

J.Dudek, N.Schunck, N.Dubray, A.Gozdz

Exotic nuclear shapes: today and tomorrow

NUCLEAR STRUCTURE 126Xe; calculated total energy vs quadrupole deformation. 78Se; calculated neutron single-particle energies vs octahedral deformation.

doi: 10.1142/S021830130500317X
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2005DU13      Int.J.Mod.Phys. E14, 493 (2005)

N.Dubray, J.Dudek, N.Schunck

The problem of universality of nuclear mean-field parametrizations

NUCLEAR STRUCTURE 40,48Ca, 56Ni, 90Zr, 100,132Sn, 146Gd, 208Pb; analyzed neutron and proton single-particle level energies; deduced mean-field parameters.

doi: 10.1142/S0218301305003326
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2005KM01      Acta Phys.Pol. B36, 1169 (2005)

M.Kmiecik, A.Maj, J.Styczen, P.Bednarczyk, M.Brekiesz, J.Grebosz, M.Lach, W.Meczynski, M.Zieblinski, K.Zuber, A.Bracco, F.Camera, G.Benzoni, B.Million, S.Leoni, O.Wieland, B.Herskind, D.Curien, N.Dubray, J.Dudek, N.Schunck, K.Mazurek

GDR feeding of the highly-deformed band in 42Ca

NUCLEAR REACTIONS 28Si(18O, X), E=105 MeV; measured Eγ, Iγ. 46Ti deduced GDR strength function. 42Ca deduced feeding of highly-deformed rotational band from GDR decay. Euroball IV and Hector arrays.

2005MA30      Acta Phys.Pol. B36, 1355 (2005)

K.Mazurek, J.Dudek, B.Nerlo-Pomorska

Non-axial quadrupole and hexadecapole deformations in Cf-Ds nuclear region

NUCLEAR STRUCTURE 254,256,258Fm, 256,258,260No, 258,260,262Rf; calculated deformation energy along fission path. Lublin-Strasbourg drop model.

2005MO14      Int.J.Mod.Phys. E14, 499 (2005)

H.Molique, J.Dudek, K.Pomorski

The particle conserving shell correction method and the nuclear zero-point motion

NUCLEAR STRUCTURE 16O, 40,48Ca, 56Ni, 90Zr, 208Pb; calculated shell energy reduction due to dynamical averaging.

doi: 10.1142/S0218301305003338
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2005SC06      Acta Phys.Pol. B36, 1071 (2005)

N.Schunck, J.Dudek, S.Frauendorf

Collective rotation of nuclei with tetrahedral symmetry

2004DU04      Int.J.Mod.Phys. E13, 117 (2004)

J.Dudek, K.Mazurek, B.Nerlo-Pomorska

Competition between axial and non-axial octupole deformations in heavy nuclei

NUCLEAR STRUCTURE 224Rn, 226Ra; calculated energy vs deformation. Macroscopic-microscopic method.

doi: 10.1142/S0218301304001825
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2004DU05      Int.J.Mod.Phys. E13, 203 (2004)

J.Dudek, J.B.Faes

Nuclear pairing as random walk of Cooper pairs

doi: 10.1142/S0218301304001953
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2004DU09      Eur.Phys.J. A 20, 15 (2004)

J.Dudek, K.Pomorski, N.Schunck, N.Dubray

Hyperdeformed and megadeformed nuclei: Lessons from the slow progress and emerging new strategies

doi: 10.1140/epja/i2002-10313-4
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2004DU15      Acta Phys.Pol. B35, 1263 (2004)

J.Dudek, K.Mazurek, B.Nerlo-Pomorska

Potential Energy Surfaces Calculated Using Macroscopic-Microscopic Method with the LSD Model

NUCLEAR STRUCTURE 250Cf; calculated potential energy surfaces, fission barrier features. Lubin Strasbourg Drop model.

2004KM01      Phys.Rev. C 70, 064317 (2004)

M.Kmiecik, A.Maj, B.Million, M.Brekiesz, W.Krolas, W.Meczynski, J.Styczen, M.Zieblinski, A.Bracco, F.Camera, G.Benzoni, S.Leoni, O.Wieland, S.Brambilla, B.Herskind, M.Kicinska-Habior, N.Dubray, J.Dudek, N.Schunck

Probing nuclear shapes close to the fission limit with the giant dipole resonance in 216Rn

NUCLEAR REACTIONS 198Pt(18O, X), E=96 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin. 216Rn deduced GDR energy, width, deformation features. Hector array, comparison with model predictions. 211,212Rn; measured γ-decays from isomeric states.

doi: 10.1103/PhysRevC.70.064317
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2004MA15      Nucl.Phys. A731, 319 (2004)

A.Maj, M.Kmiecik, A.Bracco, F.Camera, P.Bednarczyk, B.Herskind, S.Brambilla, G.Benzoni, M.Brekiesz, D.Curien, G.De Angelis, E.Farnea, J.Grebosz, M.Kicinska-Habior, S.Leoni, W.Meczynski, B.Million, D.R.Napoli, J.Nyberg, C.M.Petrache, J.Styczen, O.Wieland, M.Zieblinski, K.Zuber, N.Dubray, J.Dudek, K.Pomorski

Evidence for the Jacobi shape transition in hot 46Ti

NUCLEAR REACTIONS 28Si(18O, X), E=105 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. 46Ti deduced Jacobi shape transition. Euroball IV, Hector, and Euclides arrays, thermal shape fluctuation model.

doi: 10.1016/j.nuclphysa.2003.11.043
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2004MA33      Eur.Phys.J. A 20, 165 (2004)

A.Maj, M.Kmiecik, M.Brekiesz, J.Grebosz, W.Meczynski, J.Styczen, M.Zieblinski, K.Zuber, A.Bracco, F.Camera, G.Benzoni, B.Million, N.Blasi, S.Brambilla, S.Leoni, M.Pignanelli, O.Wieland, B.Herskind, P.Bednarczyk, D.Curien, J.P.Vivien, E.Farnea, G.De Angelis, D.R.Napoli, J.Nyberg, M.Kicinska-Habior, C.M.Petrache, J.Dudek, K.Pomorski

Search for the Jacobi shape transition in light nuclei

NUCLEAR REACTIONS 28Si(18O, X), E=105 MeV; measured Eγ, Iγ, (particle)γ-coin. 46Ti deduced GDR features, Jacobi shape transition in excited nucleus.

doi: 10.1140/epja/i2002-10345-8
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2004MI15      Int.J.Mod.Phys. E13, 127 (2004)

M.Miskiewicz, A.Gozdz, J.Dudek

Quantum rotational spectra and classical rotors

doi: 10.1142/S0218301304001849
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2004MO10      Int.J.Mod.Phys. E13, 239 (2004)

H.Molique, J.Dudek

A stochastic parametrisation of the spectra of the nuclear pairing Hamiltonian

doi: 10.1142/S0218301304002004
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2004OL07      Phys.Rev.Lett. 93, 052501 (2004)

P.Olbratowski, J.Dobaczewski, J.Dudek, W.Plociennik

Critical Frequency in Nuclear Chiral Rotation

NUCLEAR STRUCTURE 132La; calculated rotational bands configurations, moments of inertia, related features; deduced critical frequency for chiral rotation. Self-consistent Skyrme-Hartree-Fock cranking approach.

doi: 10.1103/PhysRevLett.93.052501
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2004PO05      Int.J.Mod.Phys. E13, 107 (2004)

K.Pomorski, J.Dudek

Fission barriers within the liquid drop model with the surface-curvature term

NUCLEAR STRUCTURE 75Br, 98Mo, 186Os, 210Po, 232Th, 240Pu, 252Cf; calculated fission barrier and binding energies, compression effect.

doi: 10.1142/S0218301304001801
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2004SC10      Int.J.Mod.Phys. E13, 213 (2004)

N.Schunck, J.Dudek

Nuclear tetrahedral symmetry

NUCLEAR STRUCTURE 108,110,112Zr; calculated deformation, shape isomers, tetrahedral symmetry.

doi: 10.1142/S0218301304001965
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2004SC26      Phys.Rev. C 69, 061305 (2004)

N.Schunck, J.Dudek, A.Gozdz, P.H.Regan

Tetrahedral symmetry in ground and low-lying states of exotic A ∼ 110 nuclei

NUCLEAR STRUCTURE 104,106,108,110,112Zr; calculated single-particle energies, potential energy surfaces; deduced deformation, tetrahedral symmetry. Possible experimental signatures discussed.

doi: 10.1103/PhysRevC.69.061305
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2003DO02      Phys.Rev. C 67, 034308 (2003)

J.Dobaczewski, J.Dudek, R.Wyss

T=0 neutron-proton pairing correlations in the superdeformed rotational bands around 60Zn

NUCLEAR STRUCTURE 58,59Cu, 60,61Zn; calculated, analyzed superdeformed bands energies, deformation, configurations; deduced possible neutron-proton pairing contribution. Comparison of Skyrme-Hartree-Fock and Strutinsky-Woods-Saxon approaches.

doi: 10.1103/PhysRevC.67.034308
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2003DU24      Acta Phys.Pol. B34, 2247 (2003)

J.Dudek, K.Mazurek, B.Nerlo-Pomorska

Interaction strengths for the Fock-space formulation of the nuclear pairing problem

NUCLEAR STRUCTURE Z=20-100; analyzed data; deduced pairing strength parameters.

2003DU26      Acta Phys.Pol. B34, 2491 (2003)

J.Dudek, A.Gozdz, N.Schunck

Atomic nuclei with tetrahedral and octahedral symmetries

2003GO32      Acta Phys.Pol. B34, 2123 (2003)

A.Gozdz, J.Dudek, M.Miskiewicz

Symmetries of nuclear Hamiltonians with redundant variables

2003HE27      Acta Phys.Pol. B34, 2467 (2003)

B.Herskind, G.Benzoni, J.N.Wilson, T.Dossing, G.B.Hagemann, G.Sletten, C.R.Hansen, D.R.Jensen, A.Bracco, F.Camera, S.Leoni, P.Mason, O.Wieland, A.Maj, M.Brekiesz, M.Kmiecik, H.Hubel, P.Bringel, A.Neusser, A.K.Singh, R.M.Diamond, R.M.Clark, M.Cromaz, P.Fallon, A.Gorgen, I.Y.Lee, A.O.Macchiavelli, D.Ward, F.Hannachi, A.Korichi, A.Lopez-Martens, T.Byrski, D.Curien, P.Bednarczyk, J.Dudek, H.Amro, W.C.Ma, J.Lisle, S.Odegard, C.Petrache, D.Petrache, T.Steinhardt, O.Thelen

Hunting grounds for Jacobi transitions and hyperdeformations

NUCLEAR REACTIONS 64Ni(64Ni, 2n), E=261 MeV; 82Se(48Ca, 4n), E=195 MeV; measured Eγ, Iγ, γγ-coin. 126Ba, 126Xe deduced quasi-continuum rotational bands deformation, related features. Gammasphere, Euroball arrays.

2003PO03      Phys.Rev. C 67, 044316 (2003)

K.Pomorski, J.Dudek

Nuclear liquid-drop model and surface-curvature effects

NUCLEAR STRUCTURE 232Th, 240Pu, 160,162,164,166,168,170,172,174,176,178,180Yb, 240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270Fm; calculated liquid-drop fission barriers, surface-curvature dependent effects.

doi: 10.1103/PhysRevC.67.044316
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