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NSR database version of April 27, 2024.

Search: Author = C.E.Vargas

Found 13 matches.

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2020BU15      Phys.Rev. C 102, 044301 (2020)

D.A.L.Bustillos, L.Lopez-Hernandez, N.Ramirez-Cruz, E.M.Hernandez, R.Fossion, E.Lopez-Moreno, C.E.Vargas, V.Velazquez

Nuclear energy level complexity: Fano factor signature of chaotic behavior of nearest-neighbor time-series analysis

NUCLEAR STRUCTURE ⁴⁸Ca, ^46,48Ti; calculated eigenvalue sequence as function of the number of 3+ states for different quadrupole strengths, Wigner distribution and Fourier power spectrum of the energy level spacings, Fano factor as function of the quadrupole intensity, and this factor corresponding to the quantum chaos for the energy levels in the nuclear spectra.

doi: 10.1103/PhysRevC.102.044301
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2017VA08      Eur.Phys.J. A 53, 73 (2017)

C.E.Vargas, V.Velazquez, S.Lerma-Hernandez, N.Bagatella-Flores

Electromagnetic properties in ^160-170Dy nuclei: A microscopic description by the pseudo- SU(3) shell model

NUCLEAR STRUCTURE ^{160,162,164,166,168,170}Dy; calculated inter-band B(E2), B(M1), quadrupole moment, g-factor using pseudo-SU(3) including pseudo-spin 0 and 1 states. Compared with available data.

doi: 10.1140/epja/i2017-12264-y
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2013VA03      Eur.Phys.J. A 49, 4 (2013)

C.E.Vargas, V.Velazquez, S.Lerma

Microscopic study of neutron-rich dysprosium isotopes

NUCLEAR STRUCTURE ^{160,162,164,166,168,170}Dy; calculated levels, J, π, rotational bands, B(E2) using pseudo-SU(3) model with symmetry preserving QQ term and symmetry breaking Nilsson and pairing terms. Compared to data.

doi: 10.1140/epja/i2013-13004-1
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2008MO14      Phys.Rev. C 78, 024303 (2008)

I.O.Morales, A.Frank, C.E.Vargas, P.Van Isacker

Shape coexistence and phase transitions in the platinum isotopes

NUCLEAR STRUCTURE ^{182,184,186,188}Pt; calculated potential energy surfaces, phase diagrams. Matrix coherent-state method of the IBA model.

doi: 10.1103/PhysRevC.78.024303
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2004FR12      Phys.Rev. C 69, 034323 (2004)

A.Frank, P.Van Isacker, C.E.Vargas

Evolving shape coexistence in the lead isotopes: The geometry of configuration mixing in nuclei

NUCLEAR STRUCTURE ^{186,188,190,192}Pb; calculated potential energy surfaces, configuration mixing and shape coexistence features. Interacting boson model.

doi: 10.1103/PhysRevC.69.034323
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2004VA30      Phys.Rev. C 70, 064320 (2004)

C.E.Vargas, J.G.Hirsch

Pushing the pseudo-SU(3) model towards its limits: Excited bands in even-even Dy isotopes

NUCLEAR STRUCTURE ^{158,160,162,164}Dy; calculated levels, J, π, rotational bands, B(E2). Pseudo-SU(3) model, comparison with data.

doi: 10.1103/PhysRevC.70.064320
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2003VA01      Phys.Lett. 551B, 98 (2003)

C.E.Vargas, J.G.Hirsch, J.P.Draayer

Microscopic description of the scissors mode in odd-mass heavy deformed nuclei

NUCLEAR STRUCTURE ¹⁵⁷Gd, ¹⁶³Dy, ¹⁶⁹Tm; calculated B(M1) distributions, scissors mode features. Pseudo-SU(3) shell model, comparison with data.

doi: 10.1016/S0370-2693(02)03009-5
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2002HI24      Acta Phys.Hung.N.S. 16, 291 (2002)

J.G.Hirsch, G.Popa, C.E.Vargas, J.P.Draayer

Microscopic Description of Odd- and Even-Mass Er Isotopes

NUCLEAR STRUCTURE ^{164,165,166,167,168}Er; calculated rotational bands levels, J, π, B(E2). Pseudo-SU(3) scheme, comparison with data.

doi: 10.1556/APH.16.2002.1-4.32
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2002VA02      Nucl.Phys. A697, 655 (2002)

C.E.Vargas, J.G.Hirsch, J.P.Draayer

Quasi-SU(3) Truncation Scheme for Odd-Even and Odd-Odd sd-Shell Nuclei

NUCLEAR STRUCTURE ²¹Ne, ^22,23,24Na, ²⁵Mg, ^26,28Al; calculated levels, J, π, band structure, B(E2). Quasi-SU(3) symmetry, comparison with data.

doi: 10.1016/S0375-9474(01)01261-1
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2002VA27      Phys.Rev. C 66, 064309 (2002)

C.E.Vargas, J.G.Hirsch, J.P.Draayer

Excited bands in odd-mass rare-earth nuclei

NUCLEAR STRUCTURE ¹⁵⁷Gd, ¹⁶³Dy, ¹⁶⁹Tm; calculated rotational bands energies, transitions B(E2); deduced pseudospin symmetry features. Pseudo-SU(3) model.

doi: 10.1103/PhysRevC.66.064309
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2001VA23      Nucl.Phys. A690, 409 (2001)

C.E.Vargas, J.G.Hirsch, J.P.Draayer

Quasi-SU(3) Truncation Scheme for Even-Even sd-Shell Nuclei

NUCLEAR STRUCTURE ^20,22Ne, ²⁴Mg, ²⁸Si; calculated levels, J, π, B(E2). Quasi-SU(3) symmetry, truncated basis. Comparison with data, other models.

doi: 10.1016/S0375-9474(00)00708-9
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2001VA27      Phys.Rev. C64, 034306 (2001)

C.E.Vargas, J.G.Hirsch, J.P.Draayer

Interband B(E2) Transition Strengths in Odd-Mass Heavy Deformed Nuclei

NUCLEAR STRUCTURE ¹⁶³Dy, ¹⁶⁵Er; calculated interband transitions B(E2). Pseudo-SU(3) model, comparison with data.

doi: 10.1103/PhysRevC.64.034306
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2000VA11      Nucl.Phys. A673, 219 (2000)

C.E.Vargas, J.G.Hirsch, J.P.Draayer

Pseudo SU(3) Shell Model: Normal parity bands in odd-mass nuclei

NUCLEAR STRUCTURE ¹⁵⁹Tb; calculated rotational bands levels, J, π, B(E2). Pseudo SU(3) model, comparisons with data.

doi: 10.1016/S0375-9474(00)00153-6
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