NSR Query Results
Output year order : Descending NSR database version of April 29, 2024. Search: Author = A.Raduta Found 200 matches. Showing 1 to 100. [Next]2024RA13 J.Phys.(London) G51, 045107 (2024) A.A.Raduta, C.M.Raduta, A.H.Raduta Toward a new approach for the pygmy dipole resonance in even–even nuclei. Application to isotopes 144, 148, 150, 152, 154Sm NUCLEAR STRUCTURE 144,148,150,152,154Sm; calculated wavefunctions, B(E1), the photoabsorption σ, integrated moments of the cross section and energy weighted sum rule (EWSR) using a many-body Hamiltonian consisting of a spherical shell model mean-field term, a pairing interaction for alike nucleons and a dipole–dipole interaction, with the dipole operator involving a cubic term in the radial coordinate.
doi: 10.1088/1361-6471/ad27e4
2023BE03 Phys.Rev. C 107, 045803 (2023) Bayesian inference of the dense matter equation of state built upon covariant density functionals
doi: 10.1103/PhysRevC.107.045803
2022RA01 J.Phys.(London) G49, 25105 (2022) C.M.Raduta, A.A.Raduta, R.Poenaru, A.H.Raduta Simultaneous description of wobbling and chiral properties in even-odd triaxial nuclei
doi: 10.1088/1361-6471/ac3c34
2022RA14 Eur.Phys.J. A 58, 115 (2022) Equations of state for hot neutron stars-II. The role of exotic particle degrees of freedom
doi: 10.1140/epja/s10050-022-00772-0
2022RA24 Phys.Rev. C 106, 044301 (2022) A.A.Raduta, C.M.Raduta, R.Poenaru Double-β transition 0+ → 2+ within a fully renormalized proton-neutron quasiparticle random-phase approximation with the gauge symmetry restored RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128Te, 130Te, 150Nd(2β-); calculated GT amplitudes, T1/2 for ground to 2+ and ground to ground transition. 76As, 82Br, 96Nb, 100Tc, 116In, 128,130I, 150Pm(β-), (β+)(EC); calculated logft. Calculation for the two consecutive virtual β transitions in the intermediate nuclei for the ββ-decay. 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128Te, 130Te, 150Nd(β-), (β+); calculated Gamow-Teller amplitude, B(GT). Calculations using fully renormalized proton-neutron quasiparticle random-phase approximation (pnQRPA)for the Gamow-Teller (GT) dipole transition operator and a renormalized QRPA for charge conserving quadrupole operators. Comparison to experimental data. NUCLEAR STRUCTURE 76Se, 82Kr, 96Mo, 100Ru, 116Sn, 128Xe, 130Xe, 150Sm; calculated deformation parameters, B(E2) and T1/2 of the 2+ state. Comparison to experimental data.
doi: 10.1103/PhysRevC.106.044301
2022TY01 Eur.Phys.J. A 58, 221 (2022) S.Typel, M.Oertel, T.Klahn, D.Chatterjee, V.Dexheimer, C.Ishizuka, M.Mancini, J.Novak, H.Pais, C.Providencia, Ad.R.Raduta, M.Servillat, L.Tolos, for the CompOSE Core Collaboration CompOSE reference manual
doi: 10.1140/epja/s10050-022-00847-y
2021KH02 Phys.Rev. C 103, 055811 (2021) S.Khadkikar, A.R.Raduta, M.Oertel, A.Sedrakian Maximum mass of compact stars from gravitational wave events with finite-temperature equations of state
doi: 10.1103/PhysRevC.103.055811
2021PO07 Int.J.Mod.Phys. E30, 2150033 (2021) Parity partner bands in 163Lu: A novel approach for describing the negative parity states from a triaxial super-deformed band NUCLEAR STRUCTURE 163Lu; calculated band excitation energies, nuclear trajectory of the system for a spin state belonging to each of the four triaxial super-deformed bands using a triaxial rotor model within a semi-classical picture.
doi: 10.1142/S0218301321500336
2021PO08 Rom.J.Phys. 66, 308 (2021) Extensive Study of the Positive and Negative Parity Wobbling States for an Odd-Mass Triaxial Nucleus I: Energy Spectrum NUCLEAR STRUCTURE 163Lu; calculated energy levels, J, π, wobbling bands, rotational frequencies, Routhian; Quantal Hamiltonian specific to a Particle Rotor Model, Time-Dependent Variational Principle (TDVE). Comparison with available data.
2021PO15 Rom.J.Phys. 66, 309 (2021) Extensive Study of the Positive and Negative Parity Wobbling States for an Odd-Mass Triaxial Nucleus II: Classical Trajectories NUCLEAR STRUCTURE 163Lu; analyzed available data; calculated wobbling properties, classical energy function, nuclear trajectories of the system. The Particle-Rotor Hamiltonian.
2021RA01 J.Phys.(London) G48, 015106 (2021) A.A.Raduta, C.M.Raduta, R.Poenaru A new boson approach for the wobbling motion in even-odd nuclei NUCLEAR STRUCTURE 135Pr; calculated level energies, J, π, wobbling frequencies, B(Eλ) using classical analysis.
doi: 10.1088/1361-6471/abc533
2021RA33 Eur.Phys.J. A 57, 329 (2021) Equations of state for hot neutron stars
doi: 10.1140/epja/s10050-021-00628-z
2021WE15 Phys.Rev. C 104, 065806 (2021) J.-B.Wei, G.F.Burgio, Ad.R.Raduta, H.-J.Schulze Hot neutron stars and their equation of state
doi: 10.1103/PhysRevC.104.065806
2020PA01 Phys.Rev. C 101, 015803 (2020) A.Pascal, S.Giraud, A.F.Fantina, F.Gulminelli, J.Novak, M.Oertel, A.R.Raduta Impact of electron capture rates for nuclei far from stability on core-collapse supernovae NUCLEAR STRUCTURE Z=10-60, N=20-114; Z=15-55, N-16-90; calculated electron-capture (EC) rates for ≈170 different nuclear species around 86Kr using self-consistent numerical simulations of core-collapse supernovae (CCSN), with hydrodynamic codes COCONUT and ACCEPT.
doi: 10.1103/PhysRevC.101.015803
2020RA01 Phys.Rev. C 101, 014302 (2020) A.A.Raduta, R.Poenaru, C.M.Raduta New approach for the wobbling motion in the even-odd isotopes 161, 163, 165, 167Lu NUCLEAR STRUCTURE 161,163,165,167Lu; calculated levels, J, π, aligned angular momenta, wobbling energies, moments of inertia, quadrupole moment parameters, B(E2), B(M1), transition quadrupole moments, multiple mixing ratios of triaxial strongly-deformed bands (TSDBs)using the particle-triaxial rotor semiclassical formalism. Discussed wobbling motion, regions of allowed and forbidden transversal wobbling motion. Comparison with experimental data.
doi: 10.1103/PhysRevC.101.014302
2020RA30 J.Phys.(London) G47, 025101 (2020) A.A.Raduta, R.Poenaru, C.M.Raduta Towards a new semi-classical interpretation of the wobbling motion in 163Lu NUCLEAR STRUCTURE 163Lu; calculated energies for the bands, wobbling energies, B(E2) within a particle-triaxial rotor semi-classical formalism. Comparison with available data.
doi: 10.1088/1361-6471/ab5ae4
2019RA05 Nucl.Phys. A983, 252 (2019) Nuclear Statistical Equilibrium equation of state for core collapse
doi: 10.1016/j.nuclphysa.2018.11.003
2018RA12 Phys.Rev. C 97, 064309 (2018) Nuclear skin and the curvature of the symmetry energy NUCLEAR STRUCTURE Z=82, A=162-234; calculated binding energies, rms radii of neutron and charge distributions, neutron skin thickness of ground states as a function of total isospin asymmetry, EoS parameters. 208Pb; 48Ca, 48Ni; 50Ni, 50Ti; 52Ni, 52Cr; 54Ni, 54Fe; calculated correlations between neutron skin thickness in 208Pb and differences in the proton radii of mirror nuclei in A=48-54 region. 208Pb; calculated electric dipole polarizability, isovector giant dipole resonance (IVGDR) energy constant, slope of symmetry energy at saturation (Lsym). Extended Thomas-Fermi approximation (ETF) calculations with 17 different Skyrme interactions. Comparison to available experimental results.
doi: 10.1103/PhysRevC.97.064309
2018RA21 J.Phys.(London) G45, 105104 (2018) A.A.Raduta, R.Poenaru, A.H.Raduta Wobbling motion in 165, 167Lu within a semi-classical framework NUCLEAR STRUCTURE 165,167Lu; calculated excitation energies for the super-deformed bands, inter- and intra-band B(E2) and B(M1), the mixing ratios, transition quadrupole moments. Comparison either with the corresponding experimental data.
doi: 10.1088/1361-6471/aadc58
2017CH54 Phys.Rev. C 96, 065805 (2017) D.Chatterjee, F.Gulminelli, Ad.R.Raduta, J.Margueron Constraints on the nuclear equation of state from nuclear masses and radii in a Thomas-Fermi meta-modeling approach NUCLEAR STRUCTURE A=20-100; calculated difference between theoretical and experimental energy per particle of symmetric nuclei. Z=20, 28, 50, 82; calculated difference between theoretical and experimental energy per particle vs asymmetry, rms charge radii and neutron skins vs (N-Z)/A; developed a meta-modeling analysis of the correlations of empirical parameters among themselves and with nuclear observables such as masses, radii, and neutron skins using extended Thomas-Fermi approximation.
doi: 10.1103/PhysRevC.96.065805
2017RA02 Phys.Rev. C 95, 025805 (2017) Ad.R.Raduta, F.Gulminelli, M.Oertel Stellar electron capture rates on neutron-rich nuclei and their impact on stellar core collapse
doi: 10.1103/PhysRevC.95.025805
2017RA04 J.Phys.(London) G44, 045102 (2017) A.A.Raduta, C.M.Raduta, A.H.Raduta Alternative description of chiral properties in 138Nd NUCLEAR STRUCTURE 138Nd; calculated average value of the proton angular momentum, angle between the angular momenta carried by protons and neutrons in a state from the ground band, chiral band energies, J, π, B(M1), B(E2). Comparison with available data.
doi: 10.1088/1361-6471/aa5af1
2017RA24 Phys.Rev. C 96, 054320 (2017) A.A.Raduta, R.Poenaru, L.Gr.Ixaru Semiclassical unified description of wobbling motion in even-even and even-odd nuclei NUCLEAR STRUCTURE 158Er, 163Lu; calculated yrast levels, J, π, triaxial strongly-deformed (TSD) bands, B(E2), B(M1), wobbling frequencies, electric quadrupole and magnetic dipole moments, multipolarity mixing ratios for 163Lu. Derived compact formulas for wobbling frequencies. Semiclassical formalism to describe the wobbling motion in even-even and even-odd nuclei, using a time-dependent variational principle. Comparison with available experimental results.
doi: 10.1103/PhysRevC.96.054320
2016AL25 Phys.Rev. C 94, 052801 (2016) N.Alam, B.K.Agrawal, M.Fortin, H.Pais, C.Providencia, Ad.R.Raduta, A.Sulaksono Strong correlations of neutron star radii with the slopes of nuclear matter incompressibility and symmetry energy at saturation
doi: 10.1103/PhysRevC.94.052801
2016BO06 Phys.Lett. B 755, 475 (2016) B.Borderie, Ad.R.Raduta, G.Ademard, M.F.Rivet, E.De Filippo, E.Geraci, N.Le Neindre, R.Alba, F.Amorini, G.Cardella, M.Chatterjee, D.Guinet, P.Lautesse, E.La Guidara, G.Lanzalone, G.Lanzano, I.Lombardo, O.Lopez, C.Maiolino, A.Pagano, M.Papa, S.Pirrone, G.Politi, F.Porto, F.Rizzo, P.Russotto, J.P.Wieleczko Probing clustering in excited alpha-conjugate nuclei NUCLEAR REACTIONS 12C(40Ca, X)4He, E=25 MeV/nucleon; measured reaction products, Eα, Iα; deduced yields, evidence in favor of α-particle clustering from excited 16O, 20Ne, 24Mg. Comparison with GEMINI++ code calculations.
doi: 10.1016/j.physletb.2016.02.061
2016FO18 Phys.Rev. C 94, 035804 (2016) M.Fortin, C.Providencia, Ad.R.Raduta, F.Gulminelli, J.L.Zdunik, P.Haensel, M.Bejger Neutron star radii and crusts: Uncertainties and unified equations of state
doi: 10.1103/PhysRevC.94.035804
2016OE01 Eur.Phys.J. A 52, 50 (2016) M.Oertel, F.Gulminelli, C.Providencia, A.R.Raduta Hyperons in neutron stars and supernova cores
doi: 10.1140/epja/i2016-16050-1
2016RA05 Phys.Rev. C 93, 025803 (2016) Ad.R.Raduta, F.Gulminelli, M.Oertel Modification of magicity toward the dripline and its impact on electron-capture rates for stellar core collapse NUCLEAR STRUCTURE A=17-80; calculated electron capture rates in stellar environment using extended nuclear statistical equilibrium (NSE) model, possible quenching of N=50 and N=82 shell closures on the electron-capture rates during core collapse. Z=27-68, N=28-98; calculated S(2n) using different mass models and compared with experimental data. Z=10-70, N=10-70; calculated proton and neutron numbers of A≥20 nuclei produced in core-collapsing solar systems as a function of baryonic density. Z<80, N<100; calculated nuclear abundances and compared with experimental mass measurements. Z=22, N=5-65; Z=26, N=10-80; Z=30, N=20-95; Z=36, N=20-100; Z=40, N=20-110; Z=44, N=30-120; calculated LDM-shifted binding energies as function of neutron number for isotopes strongly populated during stellar core collapse. Discussed impact of nuclear binding energies on nuclear abundances, and effect of nuclear structure far from stability on electron-capture probabilities.
doi: 10.1103/PhysRevC.93.025803
2016RA10 Int.J.Mod.Phys. E25, 1650017 (2016) A new renormalization procedure of the quasiparticle random phase approximation
doi: 10.1142/S0218301316500178
2016RA24 J.Phys.(London) G43, 095107 (2016) A.A.Raduta, Al.H.Raduta, C.M.Petrache New type of chiral motion in even-even nuclei: the 138Nd case NUCLEAR STRUCTURE 138Nd; calculated energy levels, J, π, β- and γ-bands, energy staggering function, B(M1), B(E2); deduced chiral properties. Comparison with available data.
doi: 10.1088/0954-3899/43/9/095107
2015BU05 Rom.J.Phys. 60, 161 (2015) Energy Spectra, E2 Transition Probabilities and Shape Deformations for the Even-Even Isotopes 180-196Pt NUCLEAR STRUCTURE 180,182,184,186,188,190,192,194,196Pt; calculated energy levels, J, π, bands, B(E2), contour plots of density probability. Davidson and spheroidal (DSA), Davidson and Mathieu approaches (DMA), comparison with available data.
2015BU14 Phys.Rev. C 92, 055804 (2015) S.Burrello, F.Gulminelli, F.Aymard, M.Colonna, Ad.R.Raduta Heat capacity of the neutron star inner crust within an extended nuclear statistical equilibrium model
doi: 10.1103/PhysRevC.92.055804
2015GU25 Phys.Rev. C 92, 055803 (2015) Unified treatment of subsaturation stellar matter at zero and finite temperature
doi: 10.1103/PhysRevC.92.055803
2015KH07 Phys.Rev. C 92, 044313 (2015) E.Khan, J.Margueron, F.Gulminelli, Ad.R.Raduta Microscopic evaluation of the hypernuclear chart with Λ hyperons NUCLEAR STRUCTURE 5,6He, 38Si, 144Ce, 210,216,228,248,278Pb; calculated density profiles of hypernuclei. Z≤120; calculated binding energies and the Λ-hypernuclear chart of even-even hypernuclei for Λ=2, 8, 20, 40, 70. 62,68Ni, 110Zr, 144Ce, 278Pb; calculated binding energies of hypernucleons with Λ=2, 6 for Ni, Λ=20 for Zr, Λ=40 for Ce and Λ=70 for Pb. Density-functional approach with microscopic Bruckner-Hartree-Fock calculations and the ΛΛ term treated in a phenomenological way. First microscopic evaluation of the Λ-hypernuclear landscape. Predicted a large number of bound even-even Λ-hypernuclei.
doi: 10.1103/PhysRevC.92.044313
2015RA07 J.Phys.(London) G42, 065105 (2015) Semi-phenomenological description of the chiral bands in 188, 190Os NUCLEAR STRUCTURE 188,190Os; calculated energy levels, J, π, nuclear magnetic moments, B(M1). Comparison with available data.
doi: 10.1088/0954-3899/42/6/065105
2014MO12 J.Phys.(London) G41, 075107 (2014) L.Morelli, G.Baiocco, M.D'Agostino, F.Gulminelli, M.Bruno, U.Abbondanno, S.Appannababu, S.Barlini, M.Bini, G.Casini, M.Cinausero, M.Degerlier, D.Fabris, N.Gelli, F.Gramegna, V.L.Kravchuk, T.Marchi, A.Olmi, G.Pasquali, S.Piantelli, S.Valdre, A.R.Raduta Thermal properties of light nuclei from 12C + 12C fusion-evaporation reactions NUCLEAR REACTIONS 12C(12C, X)24Mg, E=95 MeV/nucleon; measured reaction products, Ep, Ip, Eα, Iα; deduced charged-particles multiplicity distributions, σ(θ), σ(E) for isotopes, branching ratios.
doi: 10.1088/0954-3899/41/7/075107
2014MO13 J.Phys.(London) G41, 075108 (2014) L.Morelli, G.Baiocco, M.D'Agostino, F.Gulminelli, M.Bruno, U.Abbondanno, S.Appannababu, S.Barlini, M.Bini, G.Casini, M.Cinausero, M.Degerlier, D.Fabris, N.Gelli, F.Gramegna, V.L.Kravchuk, T.Marchi, A.Olmi, G.Pasquali, S.Piantelli, S.Valdre, A.R.Raduta Non-statistical decay and α-correlations in the 12C+12C fusion-evaporation reaction at 95 MeV NUCLEAR REACTIONS 12C(12C, X)24Mg, E=95 MeV/nucleon; measured reaction products, Ep, Ip, Eα, Iα, α-α-coin.; deduced α-particles multiplicity distributions, α-α-energy, σ(θ), σ(E) for isotopes, branching ratios. Comparison with Hauser-Feshbach calculations.
doi: 10.1088/0954-3899/41/7/075108
2014RA05 Eur.Phys.J. A 50, 24 (2014) Ad.R.Raduta, F.Aymard, F.Gulminelli Clusterized nuclear matter in the (proto-)neutron star crust and the symmetry energy
doi: 10.1140/epja/i2014-14024-y
2013BA17 Phys.Rev. C 87, 054614 (2013) G.Baiocco, L.Morelli, F.Gulminelli, M.D'Agostino, M.Bruno, U.Abbondanno, S.Barlini, M.Bini, S.Carboni, G.Casini, M.Cinausero, M.Degerlier, F.Gramegna, V.L.Kravchuk, T.Marchi, A.Olmi, G.Pasquali, S.Piantelli, Ad.R.Raduta α-clustering effects in dissipative 12C + 12C reactions at 95 MeV NUCLEAR REACTIONS 12C(12C, X), E=95 MeV; measured Ep, Ip, Eα, Iα, (residues)p-, (residues)α-coin, yields as function of Eα, yield of oxygen isotopes, transmission coefficients using GARFIELD and RCo systems at LNL, Legnaro facility; deduced isotopic, charge, and velocity distributions. Dissipative collision. Cluster correlations. Comparison with Hauser-Feshbach calculation.
doi: 10.1103/PhysRevC.87.054614
2013BU01 J.Phys.(London) G40, 025109 (2013) Semi-microscopic description of the double backbending in some deformed even-even rare earth nuclei NUCLEAR STRUCTURE 156,158Er, 160Yb, 162Hf; calculated neutron and proton Fermi energy levels, gap parameters, and quasiparticle energies, single-particle energy levels, J, π, deformation parameters, backbending. Semi-microscopic model, comparison with available data.
doi: 10.1088/0954-3899/40/2/025109
2013GU18 Phys.Rev. C 87, 055809 (2013) F.Gulminelli, Ad.R.Raduta, M.Oertel, J.Margueron Strangeness-driven phase transition in (proto-)neutron star matter
doi: 10.1103/PhysRevC.87.055809
2013PA31 Phys.Rev. C 88, 045805 (2013) P.Papakonstantinou, J.Margueron, F.Gulminelli, Ad.R.Raduta Densities and energies of nuclei in dilute matter at zero temperature NUCLEAR STRUCTURE Z=20, N=15-3000; Z=28, N=40-3000; Z=40, N=40-4000; Z=50, N=40-4000; Z=82, N=80-4000; calculated ground-state density profiles, energies of medium-mass and heavy clusters in a dilute nucleon gas such as in stellar matter in the cores of supernovae and in the crust of neutron stars.
doi: 10.1103/PhysRevC.88.045805
2013RA02 J.Phys.(London) G40, 025108 (2013) Application of the sextic oscillator with a centrifugal barrier and the spheroidal equation for some X(5) candidate nuclei NUCLEAR STRUCTURE 176,178,180,188,190Os, 150Nd, 156Dy, 166,168Hf, 170W; calculated transition energies and probabilities, B(E2). Sextic and spheroidal approach formalism, comparison with available data.
doi: 10.1088/0954-3899/40/2/025108
2013RA33 Phys.Rev. C 88, 064328 (2013) Description of the isotope chain 180-196Pt within several solvable approaches NUCLEAR STRUCTURE 180,182,184,186,188,190,192,194,196Pt; calculated levels, J, π of ground, β and γ bands, B(E2), γ branching ratios, probability density contours in (β, γ) plane; deduced evidence of shape evolution and possible shape coexistence. Solutions of differential equations approximating generalized Bohr-Mottelson Hamiltonian. Sextic and spheroidal (SSA), sextic and Mathieu (SMA), the infinite square well and spheroidal (ISWSA), and infinite square well and Mathieu (ISWMA) approaches. Comparison with X(5) and Z(5) models, and with experimental data.
doi: 10.1103/PhysRevC.88.064328
2012BU01 J.Phys.(London) G39, 025103 (2012) P.Buganu, A.A.Raduta, A.Faessler New features of the triaxial nuclei described with a coherent state model NUCLEAR STRUCTURE 180Hf, 182W; calculated level energies, J, π, B(E2) values. SMA and CSM formalisms, comparison with experimental data.
doi: 10.1088/0954-3899/39/2/025103
2012DA01 Nucl.Phys. A875, 139 (2012) M.D'Agostino, M.Bruno, F.Gulminelli, L.Morelli, G.Baiocco, L.Bardelli, S.Barlini, F.Cannata, G.Casini, E.Geraci, F.Gramegna, V.L.Kravchuk, T.Marchi, A.Moroni, A.Ordine, Ad.R.Raduta Towards an understanding of staggering effects in dissipative binary collisions NUCLEAR REACTIONS 58,64Ni(32S, X), E-14.5 MeV/nucleon; measured reaction fragments using GARFILED detector array and ring counter; deduced yield, charge distribution, reaction mechanisms, even-odd effects, correlation functions; calculated yields using GEMINI code.
doi: 10.1016/j.nuclphysa.2011.11.011
2012GU03 Phys.Rev. C 85, 025803 (2012) Ensemble inequivalence in supernova matter within a simple model
doi: 10.1103/PhysRevC.85.025803
2012GU17 Phys.Rev. C 86, 025805 (2012) F.Gulminelli, Ad.R.Raduta, M.Oertel Phase transition toward strange matter
doi: 10.1103/PhysRevC.86.025805
2012RA07 Rom.J.Phys. 57, 442 (2012) FRpnQRPA Approach with the Gauge Symmetry Restored. Application for the 2νββ Decay RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 104Ru, 110Pd, 116Cd, 128,130Te, 148,150Nd, 154Sm, 160Gd(2β-); calculated B(GT), T1/2. GRFRpnQRPA formalism.
2012RA13 Phys.Rev. C 85, 054314 (2012) A.A.Raduta, M.I.Krivoruchenko, A.Faessler Exact results for the particle-number-projected BCS approach with isovector proton-neutron pairing
doi: 10.1103/PhysRevC.85.054314
2012RA31 Phys.Rev. C 86, 054307 (2012) Interplay of classical and quantal features within the coherent-state model
doi: 10.1103/PhysRevC.86.054307
2011DA11 Nucl.Phys. A861, 47 (2011) M.D'Agostino, M.Bruno, F.Gulminelli, L.Morelli, G.Baiocco, L.Bardelli, S.Barlini, F.Cannata, G.Casini, E.Geraci, F.Gramegna, V.L.Kravchuk, T.Marchi, A.Moroni, A.Ordine, Ad.R.Raduta Reaction mechanisms and staggering in S+Ni collisions NUCLEAR REACTIONS 58,64Ni(32S, X), E=463 MeV; measured Z(particle), A(particle), E(particle), I(particle, θ); deduced yields, even-odd effects, flow; calculated yields, even-odd effects, fragment relative velocity using GEMINI code with different assumptions on reaction mechanism and de-excitation chain.
doi: 10.1016/j.nuclphysa.2011.06.017
2011RA05 Phys.Rev. C 83, 034313 (2011) Toward a new description of triaxial nuclei NUCLEAR STRUCTURE 188,190,192Os, 228,230Th; calculated levels, J, π, B(E2), level staggering in ground, β and γ bands using liquid drop Hamiltonian. Transition from γ unstable to triaxial shape. Signature for triaxiality. Sextic and Mathieu approach (SMA), and Coherent state model (CSM). Comparison with experimental data.
doi: 10.1103/PhysRevC.83.034313
2011RA07 J.Phys.(London) G38, 055102 (2011) Description of the 2ννββ decay within a gauge restored of a fully renormalized pnQRPA approach RADIOACTIVITY 100Mo, 116Cd(2β-); calculated number of single proton states, Gamow-Teller amplitude and strengths. pnQRPA approach, comparison with experimental data.
doi: 10.1088/0954-3899/38/5/055102
2011RA18 Int.J.Mod.Phys. E20, 902 (2011) Ad.R.Raduta, B.Borderie, N.Le Neindre, P.Napolitani, M.F.Rivet, E.Geraci Production of α-particle condensate states in heavy-ion collisions
doi: 10.1142/S0218301311018939
2011RA26 Rom.J.Phys. 56, 894 (2011) C.M.Raduta, A.A.Raduta, I.I.Ursu New Results for 2ννββ Decay within a Fully Renormalized pnQRPA with Gauge Restored Symmetry RADIOACTIVITY 148,150Nd, 154Sm, 160Gd(2β-); calculated Gamow-Teller amplitudes, T1/2, log ft. Gauge restored fully renormalized proton-neutron quasiparticle random phase approximation (GRFRpnQRPA) approach.
2011RA35 Phys.Rev. C 84, 044323 (2011), Erratum Phys.Rev. C 87, 029901 (2013) Semimicroscopic description of backbending phenomena in some deformed even-even nuclei NUCLEAR STRUCTURE 160Er; calculated neutron energies, 156Dy, 160Yb, 158,160Er, 164,166Hf; calculated pairing strength, quadrupole-quadrupole interactions, spin-spin interactions, Fermi level energies, gap parameters, quasiparticle energies, backbending plots, g factor. Semiphenomenological investigation based on hybridization of two rotational bands, model Hamiltonian of subsystems. Comparison with experimental data.
doi: 10.1103/PhysRevC.84.044323
2011RA41 Phys.Rev. C 84, 064322 (2011) C.M.Raduta, A.A.Raduta, I.I.Ursu New theoretical results for 2νββ decay within a fully renormalized proton-neutron random-phase approximation approach with the gauge symmetry restored RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 104Ru, 110Pd, 128,130Te, 148,150Nd, 154Sm, 160Gd(2β-); calculated proton-neutron dipole interaction, proton-neutron dipole pairing, single beta transition strengths, double beta decay rates, half-life. 48Sc, 76As, 82Br, 96Nb, 104Rh, 110Ag, 128,130I, 148,150Pm, 154Eu, 160Tb(β-), (EC), (β+); calculated log ft values for intermediate odd-odd nuclei. Fully renormalized pnQRPA, gauge projection, Ikeda sum rule, spurious states, ground-state instability. Comparison with experimental data.
doi: 10.1103/PhysRevC.84.064322
2011RA43 Phys.Lett. B 705, 65 (2011) Ad.R.Raduta, B.Borderie, E.Geraci, N.Le Neindre, P.Napolitani, M.F.Rivet, R.Alba, F.Amorini, G.Cardella, M.Chatterjee, E.De Filippo, D.Guinet, P.Lautesse, E.La Guidara, G.Lanzalone, G.Lanzano, I.Lombardo, O.Lopez, C.Maiolino, A.Pagano, S.Pirrone, G.Politi, F.Porto, F.Rizzo, P.Russotto, J.P.Wieleczko Evidence for α-particle condensation in nuclei from the Hoyle state deexcitation NUCLEAR REACTIONS 12C(40Ca, X), E=25 MeV/nucleon; measured reaction products, deuteron spectrum, Eα, Iα, α-α, α-d and 3α correlations; deduced particle decays of the Hoyle state to direct decays in three equal-energy α-particles.
doi: 10.1016/j.physletb.2011.10.008
2010BO13 Phys.Rev.Lett. 105, 142701 (2010) E.Bonnet, B.Borderie, N.Le Neindre, Ad.R.Raduta, M.F.Rivet, R.Bougault, A.Chbihi, J.D.Frankland, E.Galichet, F.Gagnon-Moisan, D.Guinet, P.Lautesse, J.Lukasik, P.Marini, M.Parlog, E.Rosato, R.Roy, G.Spadaccini, M.Vigilante, J.P.Wieleczko, B.Zwieglinski, for the INDRA and ALADIN Collaborations New Scalings in Nuclear Fragmentation
doi: 10.1103/PhysRevLett.105.142701
2010BO17 Nucl.Phys. A834, 535c (2010) B.Borderie, E.Bonnet, F.Gulminelli, N.Le Neindre, D.Mercier, S.Piantelli, Ad.R.Raduta, M.F.Rivet, B.Tamain, R.Bougault, A.Chbihi, R.Dayras, J.D.Frankland, E.Galichet, F.Gagnon-Moisan, D.Guinet, P.Lautesse, J.Lukasik, M.Parlog, E.Rosato, R.Roy, M.Vigilante, J.P.Wieleczko, and the INDRA and ALADIN Collaboration Multifragmentation and phase transition for hot nuclei: recent progress
doi: 10.1016/j.nuclphysa.2010.01.084
2010RA10 J.Phys.(London) G37, 085108 (2010) A.A.Raduta, R.Budaca, A.Faessler Closed formulas for ground band energies of nuclei with various symmetries NUCLEAR STRUCTURE 104Ru, 102Pd, 108Te, 150,154,156Nd, 150,152,156,158Sm, 152,154,160,162Gd, 154,156,162,164Dy, 166Er, 172,174Yb, 176Hf, 170,182,186W, 174,178,180,186Os, 176,178,180Pt, 228,232Th, 232,234,236,238U, 236,238,240,242Pu, 248Cm; calculated level energies, J, π; deduced generalized Holmberg-Lipas formula. A time-dependent variational principal.
doi: 10.1088/0954-3899/37/8/085108
2010RA19 Rom.J.Phys. 55, 1050 (2010) A.A.Raduta, P.Buganu, D.Bucurescu, I.I.Ursu A Phenomenological Interpretation of 4+ and 6+ State Multiplets in Even-Even Nuclei NUCLEAR STRUCTURE 152,154Gd, 168Er, 180,184W, 190Os; calculated semiclassical level energies. Comparison with experimental data.
2010RA21 Phys.Rev. C 82, 065801 (2010) Statistical description of complex nuclear phases in supernovae and proto-neutron stars
doi: 10.1103/PhysRevC.82.065801
2010RA22 Phys.Rev. C 82, 068501 (2010) Description of the 2ννββ decay within a fully renormalized proton-neutron quasiparticle random-phase approximation approach with a restored gauge symmetry RADIOACTIVITY 100Mo(2β-); calculated decay rates and half-lives for 2νββ decay mode through the intermediate nucleus 100Tc. Fully renormalized proton-neutron quasiparticle random-phase approximation. Comparison with experimental data.
doi: 10.1103/PhysRevC.82.068501
2009RA03 Nucl.Phys. A819, 46 (2009) A.A.Raduta, A.C.Gheorghe, P.Buganu, A.Faessler A solvable model which has X(5) as a limiting symmetry and removes some inherent drawbacks NUCLEAR STRUCTURE 150Nd, 154Gd, 192Os calculated levels, J, π, B(E2). Spheroidal function model. Comparison with data.
doi: 10.1016/j.nuclphysa.2009.01.006
2009RA04 J.Phys.(London) G36, 055101 (2009) A.A.Raduta, F.D.Aaron, E.Moya de Guerra, A.Faessler Phenomenological description of the states 0+ and 2+ in some even-even nuclei NUCLEAR STRUCTURE 152,154Gd, 162Dy, 168Er, 176Hf, 180,184W, 190Os; calculated excitation energies for 0+ and 2+states using a sixth order quadrupole hamiltonian.
doi: 10.1088/0954-3899/36/5/055101
2009RA13 Phys.Rev. C 80, 014602 (2009) Break-up fragment topology in statistical multifragmentation models
doi: 10.1103/PhysRevC.80.014602
2009RA19 Phys.Rev. C 80, 024606 (2009) Thermodynamics of clusterized matter
doi: 10.1103/PhysRevC.80.024606
2009RA27 Phys.Rev. C 80, 044327 (2009) A.A.Raduta, C.M.Raduta, A.Faessler Coherent state model extension for the description of positive and negative parity bands in even-odd nuclei NUCLEAR STRUCTURE 219,227Ra, 237U, 239Pu; analyzed levels, J, π, bands, and B(E1)/B(E2) ratios using coherent state model (CSM) and particle-core Hamiltonian within a projected spherical particle-core basis. Comparison with experimental data.
doi: 10.1103/PhysRevC.80.044327
2009RA31 Rom.J.Phys. 54, 887 (2009) A.A.Raduta, F.D.Aaron, C.M.Raduta A Possible Interpretation of the Multiplets 0+ and 2+ in 168Er NUCLEAR STRUCTURE 168Er; calculated energy levels, energies, B(E2); deduced γ-spectra. Sixth-order quadrupole boson Hamiltonian.
2008PI02 Nucl.Phys. A809, 111 (2008) S.Piantelli, B.Borderie, E.Bonnet, N.Le Neindre, Ad.R.Raduta, M.F.Rivet, R.Bougault, A.Chbihi, R.Dayras, J.D.Frankland, E.Galichet, F.Gagnon-Moisan, D.Guinet, P.Lautesse, G.Lehaut, O.Lopez, D.Mercier, J.Moisan, M.Parlog, E.Rosato, R.Roy, B.Tamain, E.Vient, M.Vigilante, J.P.Wieleczko, for the INDRA Collaboration Freeze-out properties of multifragmentation events NUCLEAR REACTIONS Sn(129Xe, X), E=32, 39, 45, 50 MeV/nucleon; analyzed fragment velocity distributions and charged-particle energy spectra; deduced freeze-out properties. Comparison with a microcanonical statistical model.
doi: 10.1016/j.nuclphysa.2008.06.004
2008RA29 Rom.J.Phys. 53, 1183 (2008) 2νββ Decay to One Phonon States
2007GH07 Phys.Lett. B 648, 171 (2007) A.C.Gheorghe, A.A.Raduta, A.Faessler Solvable models for the gamma deformation having X(5) as limiting symmetry. Removing some drawbacks of the existing descriptions NUCLEAR STRUCTURE 152Sm; calculated levels, J, π, B(E2). Spheroidal function model, comparison with data.
doi: 10.1016/j.physletb.2007.03.011
2007RA01 Phys.Rev. C 75, 024605 (2007) Multifragmentation and the symmetry term of the nuclear equation of state NUCLEAR STRUCTURE 190,200,210Pb; calculated symmetry energy vs fragment charge from excited source.
doi: 10.1103/PhysRevC.75.024605
2007RA07 Phys.Rev. C 75, 044605 (2007) Isospin dependent thermodynamics of fragmentation
doi: 10.1103/PhysRevC.75.044605
2007RA08 Phys.Lett. B 647, 265 (2007) Double beta decay to the first 2+ state within a boson expansion formalism with a projected spherical single particle basis RADIOACTIVITY 48Ca, 76Ge, 96Zr, 100Mo, 110Pd, 116Cd, 128,130Te, 134,136Xe(2β-); calculated Gamow-Teller transition amplitudes, T1/2 for 2β-decay to excited states. Boson expansion formalism, comparison with other models and data.
doi: 10.1016/j.physletb.2007.02.007
2007RA15 J.Phys.(London) G34, 2053 (2007) A Simple description of the states 0+ and 2+ in 168Er NUCLEAR STRUCTURE 168Er; calculated level energies for 0+ and 2+ states using a sixth order quadrupole boson hamiltonian.
doi: 10.1088/0954-3899/34/9/014
2007RA17 Phys.Rev. C 76, 024602 (2007) A.H.Raduta, M.Colonna, M.Di Toro Searching for statistical equilibrium in a dynamical multifragmentation path NUCLEAR REACTIONS 119Sn(129Xe, X), E=50 MeV/nucleon; calculated fragment mass and charge distributions using a microcanonical multifragmentation model.
doi: 10.1103/PhysRevC.76.024602
2007RA24 Eur.Phys.J. A 32, 175 (2007) Ad.R.Raduta, E.Bonnet, B.Borderie, N.Le Neindre, S.Piantelli, M.F.Rivet Break-up stage restoration in multifragmentation reactions NUCLEAR REACTIONS Sn(Xe, X), E=32 MeV/nucleon; calculated break-up and asymptotic charge and fragment average kinetic energy distributions. Compared results to available data.
doi: 10.1140/epja/i2006-10381-4
2007RA26 Phys.Rev. C 76, 044306 (2007) Unified description of the double β decay to the first quadrupole phonon state in spherical and deformed nuclei RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 104Ru, 110Pd, 116Cd, 128Te(2β); analyzed half-lives, Gamow-Teller amplitudes, Q(ββ).48Ti, 76Se, 82Kr, 96Mo, 100Ru, 104Pd, 110Cd, 116Sn, 128Xe; analyzed ββ decay rates to first 2+ states.
doi: 10.1103/PhysRevC.76.044306
2007RA30 Rom.J.Phys. 52, 847 (2007) Various Aspects of the Nuclear Thermodynamics
2007RA32 Phys.Rev. C 76, 064309 (2007) A.A.Raduta, R.Budaca, C.M.Raduta Semiclassical description of a triaxial rigid rotor NUCLEAR STRUCTURE 158Er; calculated excitation energies using triaxial rotor Hamiltonian, compared with experimental data.
doi: 10.1103/PhysRevC.76.064309
2006RA01 Phys.Rev. C 73, 014606 (2006) Fragment isospin distributions and the phase diagram of excited nuclear systems NUCLEAR STRUCTURE 200Pb, 53V; calculated fragment isospin distributions for decay of excited systems. Microcanonical multifragmentation model.
doi: 10.1103/PhysRevC.73.014606
2006RA05 Nucl.Phys. A768, 170 (2006) Positive and negative parity dipole bands in 226Ra NUCLEAR STRUCTURE 226Ra; calculated rotational bands moments of inertia, energy levels. Unified description of multiple bands with extended coherent state formalism, comparison with data.
doi: 10.1016/j.nuclphysa.2006.01.014
2006RA11 Nucl.Phys. A722, 20 (2006) A.A.Raduta, F.D.Aaron, I.I.Ursu Semiclassical description of a sixth-order quadrupole boson Hamiltonian NUCLEAR STRUCTURE 232Th; calculated level energies, rotational bands. Semiclassical approach, comparison with data.
doi: 10.1016/j.nuclphysa.2006.03.010
2006RA20 Phys.Rev. C 74, 034604 (2006) A.H.Raduta, M.Colonna, V.Baran, M.Di Toro Statistical analysis of a dynamical multifragmentation path NUCLEAR REACTIONS 119Sn(129Xe, X), E=32 MeV/nucleon; calculated fragment multiplicities, charge and velocity distributions; deduced equilibration. Microcanonical multifragmentation model.
doi: 10.1103/PhysRevC.74.034604
2006RA21 Phys.Rev. C 74, 044312 (2006) A.A.Raduta, Al.H.Raduta, C.M.Raduta Simultaneous description of four positive parity bands and four negative parity bands NUCLEAR STRUCTURE 158Gd, 172Yb, 228,232Th, 226Ra, 238U, 238Pu; calculated rotational bands energies, moments of inertia, configurations. Comparison with data.
doi: 10.1103/PhysRevC.74.044312
2006TS05 Eur.Phys.J. A 30, 129 (2006); Erratum Eur.Phys.J. A 32, 243 (2007) M.B.Tsang, R.Bougault, R.Charity, D.Durand, W.A.Friedman, F.Gulminelli, A.Le Fevre, Al.H.Raduta, Ad.R.Raduta, S.Souza, W.Trautmann, R.Wada Comparisons of statistical multifragmentation and evaporation models for heavy-ion collisions
doi: 10.1140/epja/i2006-10111-0
2005RA03 Phys.Rev. C 71, 024307 (2005) A.A.Raduta, C.M.Raduta, A.Escuderos Description of the two neutrino double β decay in deformed nuclei with projected spherical single particle basis RADIOACTIVITY 48Ca, 96Zr, 100Mo, 104Ru, 110Pd, 116Cd, 128,130Te, 134,136Xe(2β); calculated 2νββ-decay T1/2, Gamow-Teller amplitudes, strength distributions. Proton-neutron quasiparticle RPA, angular-momentum-projected single-particle basis.
doi: 10.1103/PhysRevC.71.024307
2005RA04 Eur.Phys.J. A 24, 85 (2005) Microcanonical studies on isoscaling NUCLEAR STRUCTURE 185,200Hg; calculated fragments isotopic yields, related features following excited nucleus fragmentation; deduced scaling parameters.
doi: 10.1140/epja/i2004-10128-3
2005RA11 J.Phys.(London) G31, 337 (2005) A.A.Raduta, A.C.Gheorghe, A.Faessler Remarks on the shape transition from spherical to deformed gamma unstable nuclei NUCLEAR STRUCTURE 104Ru, 134Ba; calculated levels, J, π, B(E2), symmetry and shape transition features. Hybrid model, comparison with data.
doi: 10.1088/0954-3899/31/5/005
2005RA15 Nucl.Phys. A756, 153 (2005) New results for the fully renormalized proton-neutron quasiparticle random phase approximation
doi: 10.1016/j.nuclphysa.2005.03.013
2005RA19 J.Phys.(London) G31, 873 (2005) A coherent state description of the shape phase transition in even-even Gd isotopes NUCLEAR STRUCTURE 150,152,154,156,158,160Gd; calculated rotational bands levels, J, π, B(E2), symmetry features. Three versions of coherent state model compared.
doi: 10.1088/0954-3899/31/8/018
2005RA21 Phys.Lett. B 623, 43 (2005) Ad.R.Raduta, B.Borderie, E.Bonnet, N.Le Neindre, S.Piantelli, M.F.Rivet Kinetic energy spectra for fragments and break-up density in multifragmentation NUCLEAR STRUCTURE 197Au; calculated fragments multiplicity, kinetic energy spectra for breakup of excited nucleus. Microcanonical model.
doi: 10.1016/j.physletb.2005.07.029
2005RA31 Phys.Rev. C 72, 057603 (2005) Ad.R.Raduta, E.Bonnet, B.Borderie, N.Le Neindre, M.F.Rivet Break-up fragments excitation and the freeze-out volume NUCLEAR REACTIONS Sn(Xe, X), E=32 MeV/nucleon; analyzed fragment charge distributions, excitation energy; deduced freeze-out volume. Microcanonical multifragmentation models.
doi: 10.1103/PhysRevC.72.057603
2005ZA04 Phys.Rev. C 71, 034317 (2005) L.Zamick, A.Escuderos, S.J.Lee, A.Z.Mekjian, E.Moya de Guerra, A.A.Raduta, P.Sarriguren Expressions for the number of J=0 pairs in even-even Ti isotopes NUCLEAR STRUCTURE 44,46,48Ti; calculated number of nucleon pairs vs angular momentum, effect of nucleon-nucleon interaction.
doi: 10.1103/PhysRevC.71.034317
2004RA13 Phys.Rev. C 69, 064321 (2004) A.A.Raduta, A.Escuderos, A.Faessler, E.Moya de Guerra, P.Sarriguren Two neutrino double-β decay in deformed nuclei with an angular momentum projected basis RADIOACTIVITY 76Ge, 82Se, 148,150Nd, 154Sm, 160Gd, 232Th, 238U(2β-); calculated 2ν-accompanied 2β-decay Gamow-Teller amplitudes, strength distributions, T1/2. Proton-neutron quasiparticle RPA.
doi: 10.1103/PhysRevC.69.064321
2003AR26 Nucl.Phys. A728, 96 (2003) S.Aroua, L.Zamick, Y.Y.Sharon, E.Moya de Guerra, M.S.Fayache, P.Sarriguren, A.A.Raduta Non-scissors-mode behaviour of isovector magnetic dipole orbital transitions involving isospin transfer NUCLEAR STRUCTURE 8,10Be, 20,22Ne; calculated summed isovector orbital B(M1); deduced non-scissors mode behavior.
doi: 10.1016/j.nuclphysa.2003.08.023
2003GU21 Phys.Rev.Lett. 91, 202701 (2003) F.Gulminelli, Ph.Chomaz, Al.H.Raduta, Ad.R.Raduta Influence of the Coulomb Interaction on the Liquid-Gas Phase Transition and Nuclear Multifragmentation
doi: 10.1103/PhysRevLett.91.202701
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