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NSR database version of April 11, 2024.

Search: Author = I.Ursu

Found 21 matches.

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2015FI10      Eur.Phys.J. A 51, 185 (2015)

D.Filipescu, A.Anzalone, D.L.Balabanski, S.S.Belyshev, F.Camera, M.La Cognata, P.Constantin, L.Csige, P.V.Cuong, M.Cwiok, V.Derya, W.Dominik, M.Gai, S.Gales, I.Gheorghe, B.S.Ishkhanov, A.Krasznahorkay, A.A.Kuznetsov, C.Mazzocchi, V.N.Orlin, N.Pietralla, M.Sin, C.Spitaleri, K.A.Stopani, O.Tesileanu, C.A.Ur, I.Ursu, H.Utsunomiya, V.V.Varlamov, H.R.Weller, N.V.Zamfir, A.Zilges

Perspectives for photonuclear research at the Extreme Light Infrastructure - Nuclear Physics (ELI-NP) facility

doi: 10.1140/epja/i2015-15185-9
Citations: PlumX Metrics

2015UR02      Acta Phys.Pol. B46, 743 (2015)

C.A.Ur, D.Balabanski, G.Cata-Danil, S.Gales, I.Morjan, O.Tesileanu, D.Ursescu, I.Ursu, N.V.Zamfir

New Frontiers in Nuclear Physics Research at ELI-NP

doi: 10.5506/APhysPolB.46.743
Citations: PlumX Metrics

2014BA17      Acta Phys.Pol. B45, 483 (2014)

D.L.Balabanski, G.Cata-Danil, D.Filipescu, S.Gales, O.Tesileanu, C.A.Ur, I.Ursu, N.V.Zamfir

The Extreme Light Infrastructure Nuclear Physics Facility: Towards Experiments with Brilliant γ-Ray Beams

doi: 10.5506/APhysPolB.45.483
Citations: PlumX Metrics

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, T_1/2, log ft. Gauge restored fully renormalized proton-neutron quasiparticle random phase approximation (GRFRpnQRPA) approach.

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
Citations: PlumX Metrics

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.

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
Citations: PlumX Metrics

2003RA21      Nucl.Phys. A720, 43 (2003)

A.A.Raduta, D.Ionescu, I.I.Ursu, A.Faessler

New features of positive and negative parity rotational bands in ²²⁶Ra

NUCLEAR STRUCTURE ²²⁶Ra; calculated rotational bands excitation energy, E1 transition strengths, octupole deformation. Extended coherent states model, comparison with data.

doi: 10.1016/S0375-9474(03)00668-7
Citations: PlumX Metrics

1996RA37      Nucl.Phys. A608, 11 (1996)

A.A.Raduta, N.Lo Iudice, I.I.Ursu

Low-Lying Octupole Bands in the Coherent State Model

NUCLEAR STRUCTURE ¹⁵⁸Gd, ¹⁷²Yb, ^218,220,226Ra, ^228,230,232Th, ^{232,234,236,238}U, ²³⁸Pu; calculated levels, 0^--band energy displacements, B(λ) ratios, octupole bands quadrupole moments. Coherent state model.

doi: 10.1016/S0375-9474(96)00264-3
Citations: PlumX Metrics

1996RA47      Nuovo Cim. 109A, 1669 (1996)

A.A.Raduta, N.Lo Iudice, I.I.Ursu

Low-Lying Negative-Parity Bands in Heavy Nuclei: A phenomenological approach

NUCLEAR STRUCTURE ¹⁵⁸Gd, ¹⁷²Yb, ^218,220,226Ra, ²³⁸Pu, ^228,230,232Th, ^{232,234,236,238}U; calculated levels, energy displacements. Interacting boson Hamiltonian, quadrupole, octupole bosons.

doi: 10.1007/BF02773548
Citations: PlumX Metrics

1995RA01      Nucl.Phys. A584, 84 (1995)

A.A.Raduta, N.Lo Iudice, I.I.Ursu

Description of Orbital and Spin Excitations within a Projected Spherical Single-Particle Basis

NUCLEAR STRUCTURE ^{144,148,150,152,154}Sm; calculated B(λ), transition strength distributions. Quasiparticle RPA approach.

doi: 10.1016/0375-9474(94)00510-T
Citations: PlumX Metrics

1992RA14      Nuovo Cim. 105A, 663 (1992)

A.A.Raduta, I.I.Ursu, N.Lo Iudice

Low-Lying Bands as Alpha-Like Dipole Excitations of a Coherent Quadrupole Boson State

NUCLEAR STRUCTURE ^224,226Ra, ^230,232Th, ²³⁸U, ²³⁸Pu; calculated levels, B(λ) ratios. Interacting boson Hamiltonian, coherent state model.

doi: 10.1007/BF02730772
Citations: PlumX Metrics

1992RA24      Phys.Rev. C46, 1782 (1992)

A.A.Raduta, I.I.Ursu, N.Lo Iudice

Description of Collective Spin Excitations in Deformed Nuclei within a Projected Single-Particle Basis

NUCLEAR STRUCTURE ¹⁵⁴Sm; calculated nucleon single particle energies vs deformation parameter, M1 transition strength distribution. Schematic RPA, projected single particle basis.

doi: 10.1103/PhysRevC.46.1782
Citations: PlumX Metrics

1991RA15      Phys.Rev. C44, 1929 (1991)

A.A.Raduta, D.S.Delion, I.I.Ursu, N.Lo Iudice

Semiclassical Description of Alpha Clustering in Heavy Nuclei

NUCLEAR STRUCTURE ²²⁰Ra; calculated n, p occupation probability, gap parameters, levels. ^220,218,222Ra, ^214,216,218Rn, ^222,224Th, ²¹²Po; calculated ground state energy vs α-cluster number. Semi-classical model.

doi: 10.1103/PhysRevC.44.1929
Citations: PlumX Metrics

1990RA10      Phys.Rev. C41, 2358 (1990)

A.A.Raduta, I.I.Ursu, J.Suhonen, N.Lo Iudice

Electromagnetic Properties of Some Positive Parity Dipole States Described in Terms of Quadrupole and Octupole Interacting Bosons

NUCLEAR STRUCTURE ²³⁸U; calculated levels, B(λ). Phenomenological quadrupole-octupole boson Hamiltonian.

doi: 10.1103/PhysRevC.41.2358
Citations: PlumX Metrics

1989RA24      Nuovo Cim. 101A, 1037 (1989)

A.A.Raduta, I.I.Ursu, J.Suhonen, N.Lo Iudice

Low-Lying Positive-Parity Dipole States from a Quadrupole-Octupole Boson Hamiltonian

NUCLEAR STRUCTURE ²³⁸U; calculated levels, B(λ). Quadrupole-octupole boson Hamiltonian.

doi: 10.1007/BF02800171
Citations: PlumX Metrics

1988RA29      Rev.Roum.Phys. 33, 853 (1988)

A.A.Raduta, I.I.Ursu

On Some Phenomenological and Microscopic Features of the Collective Magnetic State 1⁺ in the Even-Even Deformed Nuclei

NUCLEAR STRUCTURE ¹⁵⁶Gd; calculated levels, B(M1). Generalized coherent states model.

1988RA32      Nucl.Phys. A489, 20 (1988)

A.A.Raduta, I.I.Ursu, A.Faessler

The Description of the K(π) = 1⁺ Isovector M1 State within a Boson Expansion Formalism

NUCLEAR STRUCTURE ¹⁵⁶Gd; calculated levels, B(M1). Boson expansion method.

doi: 10.1016/0375-9474(88)90050-4
Citations: PlumX Metrics

1987RA30      Nucl.Phys. A475, 439 (1987)

A.A.Raduta, I.I.Ursu, D.S.Delion

Simultaneous GCSM Description of the M1 State and the Major Collective Bands

NUCLEAR STRUCTURE ¹⁵⁴Gd, ¹⁵⁴Sm, ¹⁶⁴Dy, ¹⁶⁸Er, ¹⁷⁴Yb, ²³²Th, ²³⁸U; calculated levels, B(M1). Generalized coherent state model.

NUCLEAR REACTIONS ¹⁵⁶Gd, ²³²Th, ²³⁸U(e, e'), E not given; calculated M1 form factor. Generalized coherent state model.

doi: 10.1016/0375-9474(87)90073-X
Citations: PlumX Metrics

1986RA23      Rev.Roum.Phys. 31, 799 (1986)

A.A.Raduta, I.I.Ursu, D.Delion

The Description of the (e, e') Form Factor and the BM1 Probability for the Magnetic State 1⁺ within the Generalized Coherent State Model

NUCLEAR REACTIONS ^156,158,160Gd(e, e'), E ≈ 25-50 MeV; calculated M1 form factors, B(M1). Generalized coherent state model.

1986UR01      Rev.Roum.Phys. 31, 1 (1986)

I.Ursu, M.Bogdan, D.E.Demco, D.Lupu, Al.Biris

Spin-Lattice Relaxation of Protons in Zirconium-Uranium Hydride

NUCLEAR MOMENTS ¹H; measured NMR; deduced spin-lattice relaxation in Zirconium-Uranium hydride.

Note: The following list of authors and aliases matches the search parameter I.Ursu: , I.I.URSU