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NSR database version of April 11, 2024.

Search: Author = V.Velazquez

Found 23 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
Citations: PlumX Metrics


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 160,162,164,166,168,170Dy; 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
Citations: PlumX Metrics


2013VA03      Eur.Phys.J. A 49, 4 (2013)

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

Microscopic study of neutron-rich dysprosium isotopes

NUCLEAR STRUCTURE 160,162,164,166,168,170Dy; 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
Citations: PlumX Metrics


2011IB01      Phys.Rev. C 83, 034308 (2011)

A.Ibanez-Sandoval, M.E.Ortiz, V.Velazquez, A.Galindo-Uribarri, P.O.Hess, Y.Sun

Projected shell model study of yrast states of neutron-deficient odd-mass Pr nuclei

NUCLEAR STRUCTURE 125,127,129,131,133Pr; calculated yrast levels, J, π, dynamical and kinetic moments of inertia, crossing of rotational bands, backbending effects, alignment diagrams. Projected shell model in a deformed single-particle basis. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.034308
Citations: PlumX Metrics


2010MO02      Phys.Rev. C 81, 024304 (2010)

I.O.Morales, P.Van Isacker, V.Velazquez, J.Barea, J.Mendoza-Temis, J.C.Lopez Vieyra, J.G.Hirsch, A.Frank

Image reconstruction techniques applied to nuclear mass models

ATOMIC MASSES N=8-160, Z=8-106; analyzed masses and S(2n) for about 7000 nuclides in N-Z plane using image reconstruction techniques. Comparison of measured and calculated masses using the liquid-drop model (LDM), the liquid-drop model with schematic shell correction (LDMM), the Duflo-Zuker model (DZ), and the Garvey-Kelson relations. Improved predictions of nuclear mass models.

doi: 10.1103/PhysRevC.81.024304
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2008BA17      Phys.Rev. C 77, 041304 (2008)

J.Barea, A.Frank, J.G.Hirsch, P.Van Isacker, S.Pittel, V.Velazquez

Garvey-Kelson relations and the new nuclear mass tables

NUCLEAR STRUCTURE Z=5-100, N=8-270; deduced Garvey-Kelson mass relations. Finite-range liquid-drop model (FRDM), Duflo-Zuker(DZ) model, and Hartree-Fock-Bogoliubov model. Comparison with evaluated masses.

doi: 10.1103/PhysRevC.77.041304
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2008HI20      Int.J.Mod.Phys. E17, Supplement 1, 398 (2008)

J.G.Hirsch, I.Morales, J.Mendoza-Temis, A.Frank, J.C.Lopez-Vieyra, J.Barea, S.Pittel, P.van Isacker, V.Velazquez

The art of predicting nuclear masses

doi: 10.1142/S0218301308012014
Citations: PlumX Metrics


2008ME01      Nucl.Phys. A799, 84 (2008)

J.Mendoza-Temis, A.Frank, J.G.Hirsch, J.C.Lopez Vieyra, I.Morales, J.Barea, P.Van Isacker, V.Velazquez

Nuclear masses and the number of valence nucleons

ATOMIC MASSES A=1-293; analyzed atomic mass data with new empirical mass formula.

doi: 10.1016/j.nuclphysa.2007.11.010
Citations: PlumX Metrics


2008ME13      Nucl.Phys. A812, 28 (2008)

J.Mendoza-Temis, I.Morales, J.Barea, A.Frank, J.G.Hirsch, J.C.Lopez Vieyra, P.Van Isacker, V.Velazquez

Testing the predictive power of nuclear mass models

ATOMIC MASSES Z=8-108; A=16-256; analyzed masses using extrapolation with three mass models.

doi: 10.1016/j.nuclphysa.2008.08.008
Citations: PlumX Metrics


2007BA83      Eur.Phys.J. Special Topics 150, 189 (2007)

J.Barea, A.Frank, J.G.Hirsch, P.Van Isacker, V.Velazquez

Masses of atomic nuclei far from stability

doi: 10.1140/epjst/e2007-00301-x
Citations: PlumX Metrics


2006HI14      Phys.Scr. T125, 158 (2006)

J.G.Hirsch, V.Velazquez, A.Frank, J.Barea, P.Van Isacker, A.P.Zuker

An upper limit of ground-state energy fluctuations in nuclear masses

doi: 10.1088/0031-8949/2006/T125/036
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2006MO41      Int.J.Mod.Phys. E15, 1855 (2006)

I.Morales, A.Frank, J.C.Lopez-Vieyra, J.Barea, J.G.Hirsch, V.Velazquez, P.van Isacker

Predicting nuclear masses by image reconstruction

doi: 10.1142/S0218301306005228
Citations: PlumX Metrics


2006OR01      Nucl.Phys. A764, 205 (2006)

J.N.Orce, V.Velazquez

Charge-independent trend of isoscalar matrix elements along the N ∼ Z line

NUCLEAR STRUCTURE 18F, 18O, 18,22Ne, 22Na, 22,26Mg, 26Al, 26,30Si, 30P, 30,34S, 34Cl, 34,38Ar, 38K, 38,42Ca, 42Sc, 42Ti; calculated level energies, B(E2), matrix elements. Shell model, comparison with data.

doi: 10.1016/j.nuclphysa.2005.09.023
Citations: PlumX Metrics


2005HI22      Eur.Phys.J. A 25, Supplement 1, 75 (2005)

J.G.Hirsch, A.Frank, J.Barea, P.Van Isacker, V.Velazquez

Bounds on the presence of quantum chaos in nuclear masses

NUCLEAR STRUCTURE Z=8-120; A=16-280; analyzed atomic masses. Finite-range droplet model, comparison with data and other models.

doi: 10.1140/epjad/i2005-06-050-0
Citations: PlumX Metrics


2004HI06      Phys.Rev. C 69, 037304 (2004)

J.G.Hirsch, A.Frank, V.Velazquez

Residual regularities in liquid drop mass calculations

NUCLEAR STRUCTURE A=16-263; analyzed masses; deduced residual correlations.

doi: 10.1103/PhysRevC.69.037304
Citations: PlumX Metrics


2004HI10      Phys.Lett. B 595, 231 (2004)

J.G.Hirsch, V.Velazquez, A.Frank

Quantum chaos and nuclear mass systematics

NUCLEAR STRUCTURE A=20-250; analyzed mass systematics, chaos-related features.

doi: 10.1016/j.physletb.2004.06.068
Citations: PlumX Metrics


2003VE01      Phys.Rev. C 67, 034311 (2003)

V.Velazquez, J.G.Hirsch, A.Frank, A.P.Zuker

A study of randomness, correlations, and collectivity in the nuclear shell model

NUCLEAR STRUCTURE 24Mg, 44Ti, 48Cr; calculated levels, J, π, B(E2), rotational bands. Comparison of random and collective behavior.

doi: 10.1103/PhysRevC.67.034311
Citations: PlumX Metrics


2002VE01      Phys.Rev.Lett. 88, 072502 (2002)

V.Velazquez, A.P.Zuker

Spectroscopy with Random and Displaced Random Ensembles

NUCLEAR STRUCTURE 48Ca, 44,46Ti, 48Cr; calculated probability densities for level energy ratios, B(E2), collectivity features. Two-body random ensemble.

doi: 10.1103/PhysRevLett.88.072502
Citations: PlumX Metrics


2001VE04      Nucl.Phys. A686, 129 (2001)

V.Velazquez, J.G.Hirsch, Y.Sun

Band Crossing and Signature Splitting in Odd Mass fp Shell Nuclei

NUCLEAR STRUCTURE 47,49V, 47,49Cr, 49,51Mn; calculated levels, J, π, rotational bands features. Projected shell model, comparisons with data.

doi: 10.1016/S0375-9474(00)00507-8
Citations: PlumX Metrics


2000SU13      Phys.Rev. C61, 064323 (2000)

Y.Sun, K.Hara, J.A.Sheikh, J.G.Hirsch, V.Velazquez, M.Guidry

Multiphonon γ-Vibrational Bands and the Triaxial Projected Shell Model

NUCLEAR STRUCTURE 156,158,160,162,164,166,168,170Er; calculated ground, γ-vibrational bands energy and spin, multiphonon bands properties. Triaxial projected shell model, unified treatment.

doi: 10.1103/PhysRevC.61.064323
Citations: PlumX Metrics


1999VE05      J.Phys.(London) G25, 787 (1999)

V.Velazquez, J.G.Hirsch, Y.Sun

The Projected Shell Model

NUCLEAR STRUCTURE 160Dy; calculated rotational band features; deduced residual interaction, deformation effects. Projected shell model. Comparison with data.

doi: 10.1088/0954-3899/25/4/037
Citations: PlumX Metrics


1999VE06      Nucl.Phys. A653, 355 (1999)

V.Velazquez, J.G.Hirsch, Y.Sun, M.W.Guidry

Backbending in Dy Isotopes within the Projected Shell Model

NUCLEAR STRUCTURE 154,156,158,160,162,164Dy; calculated rotational bands quadrupole moments, B(E2), g-factors; deduced deformation. Projected shell model, comparisons with data.

doi: 10.1016/S0375-9474(99)00238-9
Citations: PlumX Metrics


1998VE07      Nucl.Phys. A643, 39 (1998)

V.Velazquez, J.G.Hirsch, Y.Sun

Self-Consistency in the Projected Shell Model

NUCLEAR STRUCTURE 160Dy; calculated levels, J, π, rotational band features; deduced residual interaction contributions, deformation effects. Projected shell model.

doi: 10.1016/S0375-9474(98)00549-1
Citations: PlumX Metrics


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Note: The following list of authors and aliases matches the search parameter V.Velazquez: , V.M.VELAZQUEZ