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NSR database version of April 27, 2024.

Search: Author = I.Yigitoglu

Found 8 matches.

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2012OK04      Phys.Rev. C 86, 054305 (2012)

Y.Oktem, D.L.Balabanski, B.Akkus, L.Amon Susam, L.Atanasova, C.W.Beausang, R.B.Cakirli, R.F.Casten, M.Danchev, M.Djongolov, E.Ganioglu, K.A.Gladnishki, J.Tm.Goon, D.J.Hartley, A.A.Hecht, R.Krucken, J.R.Novak, G.Rainovski, L.L.Riedinger, T.Venkova, I.Yigitoglu, N.V.Zamfir, O.Zeidan

Triaxial deformation and nuclear shape transition in ¹⁹²Au

NUCLEAR REACTIONS ¹⁸⁶W(¹¹B, 5n), E=68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), linear polarization using YRAST Ball array at WNSL, Yale facility. ¹⁹²Au; deduced high-spin levels, J, π, multipolarity, branching ratios, alignments, bands, B(M1)/B(E2), configurations. Comparisons with pairing and deformation self-consistent total Routhian surface (TRS), and cranked shell model (CSM) calculations.

doi: 10.1103/PhysRevC.86.054305
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Data from this article have been entered in the XUNDL database. For more information, click here.

2011YI01      Phys.Rev. C 83, 014303 (2011)

I.Yigitoglu, D.Bonatsos

Bohr Hamiltonian with Davidson potential for triaxial nuclei

NUCLEAR STRUCTURE ^128,130,132Xe; calculated levels, J, π, B(E2). Bohr collective Hamiltonian, Davidson potential in β and a steep harmonic oscillator in γ. Shape transition from a triaxial vibrator to the rigid triaxial rotator. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.014303
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2007BO45      Rom.J.Phys. 52, 779 (2007)

D.Bonatsos, D.Lenis, D.Petrellis, P.A.Terziev, I.Yigitoglu

γ-Rigid Solution of the Bohr Hamiltonian for γ=30 degrees Compared to the E(5) Critical Point Symmetry

NUCLEAR STRUCTURE ^128,130,132Xe; calculated level energies and B(E2) using the Z(4) model.

2007BO46      Phys.Rev. C 76, 064312 (2007)

D.Bonatsos, E.A.McCutchan, N.Minkov, R.F.Casten, P.Yotov, D.Lenis, D.Petrellis, I.Yigitoglu

Exactly separable version of the Bohr Hamiltonian with the Davidson potential

NUCLEAR STRUCTURE ¹⁵⁴Sm, ^{156,158,160,162}Gd, ^{158,160,162,164,166}Dy, ^{160,162,164,166,168,170}Er, ^{164,166,168,170,172,174,176,178}Yb, ^{168,170,172,174,176,178,180}Hf, ^{176,178,180,182,184,186}W, ^{180,182,184,186,188}Os, ²²⁸Ra, ^228,230,232Th, ^{232,234,236,238}U, ^238,240,242Pu, ²⁴⁸Cm, ²⁵⁰Cf; calculated excitation energy ratios, angular momenta, B(E2) ratios, bandhead energies, deformation parameters using Bohr Hamiltonian with Davidson Potential, compared with experimental values.

doi: 10.1103/PhysRevC.76.064312
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2007OK05      Phys.Rev. C 76, 044315 (2007); Erratum Phys.Rev. C 78, 069904 (2008)

Y.Oktem, D.L.Balabanski, B.Akkus, C.W.Beausang, M.Bostan, R.B.Cakirli, R.F.Casten, M.Danchev, M.Djongolov, M.N.Erduran, S.Erturk, K.A.Gladniski, G.Gurdal, J.Tm.Goon, D.J.Hartley, A.A.Hecht, R.Krucken, N.Nikolov, J.R.Novak, G.Rainovski, L.L.Riedinger, I.Yigitoglu, N.V.Zamfir, O.Zeidan

High-spin states in ^{191, 193}Au and ¹⁹²Pt: Evidence for oblate deformation and triaxial shapes

NUCLEAR REACTIONS ¹⁸⁶W(¹¹B, 4n), (¹¹B, 4np), (¹¹B, 6n), E=68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), linear polarization.^191,193Au, ¹⁹²Pt deduced levels, J, π; calculated deformation parameters using Particle-Plus-Triaxial Rotor model.

doi: 10.1103/PhysRevC.76.044315
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Data from this article have been entered in the XUNDL database. For more information, click here.

2006BO02      Phys.Lett. B 632, 238 (2006)

D.Bonatsos, D.Lenis, D.Petrellis, P.A.Terziev, I.Yigitoglu

X(3): an exactly separable γ-rigid version of the X(5) critical point symmetry

NUCLEAR STRUCTURE ¹⁸⁶Pt, ¹⁷²Os, ¹⁵⁶Dy, ¹⁵⁴Gd, ¹⁵²Sm, ¹⁵⁰Nd; calculated ground and vibrational bands level energies, B(E2), critical point symmetry, shape transition features. Analytic quadrupole octupole axially symmetric model, comparison with data.

doi: 10.1016/j.physletb.2005.10.060
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2005BO30      Phys.Lett. B 621, 102 (2005)

D.Bonatsos, D.Lenis, D.Petrellis, P.A.Terziev, I.Yigitoglu

γ-rigid solution of the Bohr Hamiltonian for γ = 30 degrees compared to the E(5) critical point symmetry

NUCLEAR STRUCTURE ^128,130,132Xe; analyzed levels, J, π, B(E2); deduced symmetry features.

doi: 10.1016/j.physletb.2005.06.047
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2003DA34      Phys.Rev. C 68, 054307 (2003)

M.Danchev, D.L.Balabanski, I.Yigitoglu, B.Akkus, C.W.Beausang, M.Bostan, R.F.Casten, M.K.Djongolov, M.N.Erduran, S.Erturk, K.A.Gladnishki, G.Gurdal, J.TM.Goon, D.J.Hartley, A.A.Hecht, R.Krucken, J.R.Novak, Y.Oktem, G.Rainovski, L.L.Riedinger, N.V.Zamfir, O.Zeidan

Delayed backbending in the πh_9/2 band of ¹⁸⁷Ir

NUCLEAR REACTIONS ¹⁷⁶Yb(¹⁵N, 4n), E=82 MeV; measured Eγ, Iγ, γγ-coin. ¹⁸⁷Ir deduced high-spin levels, J, π, configurations. Rotational band systematics in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.68.054307
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Data from this article have been entered in the XUNDL database. For more information, click here.