NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of April 25, 2024.

Search: Author = J.G.Hirsch

Found 82 matches.

Back to query form



2017SA15      Nucl.Phys. A961, 68 (2017)

A.Saxena, P.C.Srivastava, J.G.Hirsch, V.K.B.Kota, M.J.Ermamatov

35, 37, 39S isotopes in sd-pf space: Shell-model interpretation

NUCLEAR STRUCTURE 35,37,39S; calculated levels, J, π, B(M1), B(E1), B(M2), B(E3) using shell model with SDPF-U interactions. Compared to data and calculations using other interactions.

doi: 10.1016/j.nuclphysa.2017.02.008
Citations: PlumX Metrics


2013RA04      Phys.Rev. C 87, 014301 (2013)

P.K.Rath, R.Chandra, K.Chaturvedi, P.Lohani, P.K.Raina, J.G.Hirsch

Uncertainties in nuclear transition matrix elements for β+β+ and eβ+ modes of neutrinoless positron double-β decay within the projected Hartree-Fock-Bogoliubov model

RADIOACTIVITY 96Ru, 102Pd, 106Cd, 124Xe, 130Ba, 156Dy(2β+), (β+EC); calculated nuclear transition matrix elements and half-lives for neutrinoless double β decay for light and heavy Majorana neutrino exchanges using the projected Hartree-Fock-Bogoliubov (PHFB) model with different parametrizations of pairing plus multipolar two-body interactions.

doi: 10.1103/PhysRevC.87.014301
Citations: PlumX Metrics


2013RA31      Phys.Rev. C 88, 064322 (2013)

P.K.Rath, R.Chandra, K.Chaturvedi, P.Lohani, P.K.Raina, J.G.Hirsch

Neutrinoless ββ decay transition matrix elements within mechanisms involving light Majorana neutrinos, classical Majorons, and sterile neutrinos

RADIOACTIVITY 94,96Zr, 98,100Mo, 104Ru, 110Pd, 128,130Te, 150Nd(2β-); calculated nuclear transition matrix elements for the 0νββ decay mode involving light Majorana neutrinos, classical Majorons, and sterile neutrinos; deduced limits on the effective average neutrino mass from available limits on experimental half-lives. Projected-Hartree-Fock-Bogoliubov (PHFB) model with four different parameterizations of the pairing plus multipolar type effective two-body interaction, two sets of form factors, and two (three) different parameterizations of Jastrow type of short-range correlations.

doi: 10.1103/PhysRevC.88.064322
Citations: PlumX Metrics


2012BA02      Nucl.Phys. A874, 81 (2012)

C.Barbero, J.G.Hirsch, A.E.Mariano

Deformation and shell effects in nuclear mass formulas

NUCLEAR STRUCTURE A≈20-260; calculated mass excess, deformation using LDM with Duflo-Zuker mass model.

doi: 10.1016/j.nuclphysa.2011.11.005
Citations: PlumX Metrics


2012CA42      J.Phys.:Conf.Ser. 387, 012021 (2012)

O.Castanos, R.Lopez-Pena, E.Nahmad-Achar, J.G.Hirsch

Quantum phase transitions in the LMG model by means of quantum information concepts

doi: 10.1088/1742-6596/387/1/012021
Citations: PlumX Metrics


2012HI12      J.Phys.:Conf.Ser. 387, 012020 (2012)

J.G.Hirsch, P.C.Srivastava

Shell model description of Ge isotopes

NUCLEAR STRUCTURE 70,72,74,74,76,78,80,82Ge; calculated low-lying levels, J, π, rotational band, B(E2), quadrupole moment, orbitals occupation using shell model with different interactions. Compared to data.

doi: 10.1088/1742-6596/387/1/012020
Citations: PlumX Metrics


2012RA04      Phys.Rev. C 85, 014308 (2012)

P.K.Rath, R.Chandra, P.K.Raina, K.Chaturvedi, J.G.Hirsch

Uncertainties in nuclear transition matrix elements for neutrinoless ββ decay: The heavy Majorana neutrino mass mechanism

RADIOACTIVITY 94,96Zr, 98,100Mo, 104Ru, 110Pd, 128,130Te, 150Nd(2β-); calculated nuclear transition matrix elements MN(0ν) and estimated uncertainties due to the exchange of heavy Majorana neutrino. Projected-Hartree-Fock-Bogoliubov (PHFB) model with four different parameterization of the pairing plus the multipolar type of effective two-body interaction and three different parameterization of the Jastrow type of short-range correlations.

doi: 10.1103/PhysRevC.85.014308
Citations: PlumX Metrics


2010ME12      Nucl.Phys. A843, 14 (2010)

J.Mendoza-Temis, J.G.Hirsch, A.P.Zuker

The anatomy of the simplest Duflo-Zuker mass formula

ATOMIC MASSES Z=8-108; A=16-256; analyzed masses using DZ10 model. Comparison with other models and data.

doi: 10.1016/j.nuclphysa.2010.05.055
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
Citations: PlumX Metrics


2010RA06      J.Phys.(London) G37, 055108 (2010)

P.K.Rath, R.Chandra, S.Singh, P.K.Raina, J.G.Hirsch

Quadrupolar correlations and deformation effect on two-neutrino ϵβ+ and ϵϵ modes of 156Dy isotope

NUCLEAR STRUCTURE 156Dy; calculated T1/2 for ECβ+ and 2EC-decay; deduced the effect of quadrupole deformation on the nuclear matrix element. HFB framework.

doi: 10.1088/0954-3899/37/5/055108
Citations: PlumX Metrics


2010RA20      Phys.Rev. C 82, 064310 (2010)

P.K.Rath, R.Chandra, K.Chaturvedi, P.K.Raina, J.G.Hirsch

Uncertainties in nuclear transition matrix elements for neutrinoless ββ decay within the projected-Hartree-Fock-Bogoliubov model

RADIOACTIVITY 94,96Zr, 98,100Mo, 104Ru, 110Pd, 128,130Te, 150Nd(2β-); calculated nuclear transition matrix elements (NTME), short-range correlations (SRC) and radial evolutions of NTMEs, limit on effective light Majorana neutrino mass, and half-lives for neutrinoless ββ decay in 0+ to 0+ transitions using projected-Hartree-Fock-Bogoliubov (PHFB) model with several different parametrizations.

doi: 10.1103/PhysRevC.82.064310
Citations: PlumX Metrics


2009CH23      Europhys.Lett. 86, 32001 (2009)

R.Chandra, K.Chaturvedi, P.K.Rath, P.K.Raina, J.G.Hirsch

Multipolar correlations and deformation effect on nuclear transition matrix elements of double-β decay

NUCLEAR STRUCTURE 94,96Zr, 94,96,98,100Mo, 98,100,104Ru, 104,110Pd, 110Cd, 128,130Te, 128,130Xe, 150Nd, 150Sm; Calculated deformation parameters, nuclear transition matrix elements for 2β-decay. PHFB function, two-body interaction.

doi: 10.1209/0295-5075/86/32001
Citations: PlumX Metrics


2009MO21      Nucl.Phys. A828, 113 (2009)

I.O.Morales, J.C.Lopez Vieyra, J.G.Hirsch, A.Frank

How good are the Garvey?Kelson predictions of nuclear masses?

ATOMIC MASSES Z=60-130, A=160-296; calculated masses using Garvey-Kelson model. Comparison with three other mass models.

doi: 10.1016/j.nuclphysa.2009.06.001
Citations: PlumX Metrics


2009RA26      Phys.Rev. C 80, 044303 (2009)

P.K.Rath, R.Chandra, K.Chaturvedi, P.K.Raina, J.G.Hirsch

Deformation effects and neutrinoless positron ββ decay of 96Ru, 102Pd, 106Cd, 124Xe, 130Ba, and 156Dy isotopes within a mechanism involving Majorana neutrino mass

RADIOACTIVITY 96Ru, 102Pd, 106Cd, 124Xe, 130Ba, 156Dy(2β+), (β+EC); calculated nuclear transition matrix elements (NTME) and half-lives in neutrinoless double-beta decay from 0+ to 0+ states using projected Hartree-Fock-Bogoliubov framework. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.044303
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2008CH27      Phys.Rev. C 78, 054302 (2008)

K.Chaturvedi, R.Chandra, P.K.Rath, P.K.Raina, J.G.Hirsch

Nuclear deformation and neutrinoless double-β decay of 94, 96Zr, 98, 100Mo, 104Ru, 110Pd, 128, 130Te, and 150Nd nuclei within a mechanism involving neutrino mass

RADIOACTIVITY 94,96Zr, 98,100Mo, 104Ru, 110Pd, 128,130Te, 150Nd(2β-); calculated limits on half-lives, neutrino masses. Hartree-Fock-Bogoliubov model.

doi: 10.1103/PhysRevC.78.054302
Citations: PlumX Metrics


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


2007CI06      Phys.Rev. C 76, 024303 (2007)

O.Civitarese, J.G.Hirsch, A.Mariano, M.Reboiro

Testing approximations beyond the proton-neutron quasiparticle random phase approximation

doi: 10.1103/PhysRevC.76.024303
Citations: PlumX Metrics


2007SI25      Eur.Phys.J. A 33, 375 (2007)

S.Singh, R.Chandra, P.K.Rath, P.K.Raina, J.G.Hirsch

Nuclear deformation and the two-neutrino double-β decay in 124, 126Xe, 128, 130Te, 130, 132Ba and 150Nd isotopes

RADIOACTIVITY 128,130Te, 150Nd(β-β-); 124,126Xe, 130,132Ba(β+β+), (β+EC), (2EC); calculated decay rates and T1/2 using PHFB model. Compared results to available data.

NUCLEAR STRUCTURE 124,126,128,130Te, 124,126,128,130,132Xe, 130,132Ba, 150Nd, Sm; calculated level energies, J, π, B(E2), Quadrupole moments, and g-factors using the PHFB model. Compared results to avialable data.

doi: 10.1140/epja/i2007-10481-7
Citations: PlumX Metrics


2006GA25      Phys.Rev. C 74, 024324 (2006)

A.M.Garcia-Garcia, J.G.Hirsch, A.Frank

Semiclassical description of autocorrelations in nuclear masses

NUCLEAR STRUCTURE A=4-260; analyzed atomic masses, autocorrelations.

doi: 10.1103/PhysRevC.74.024324
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
Citations: PlumX Metrics


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


2006RA13      Eur.Phys.J. A 28, 27 (2006)

P.K.Raina, A.Shukla, S.Singh, P.K.Rath, J.G.Hirsch

The 0+ → 0+ positron double-β decay with emission of two neutrinos in the nuclei 96Ru, 102Pd, 106Cd and 108Cd

NUCLEAR STRUCTURE 96,102Ru, 96Mo, 102,106,108Pd, 106,108Cd; calculated levels, B(E2), quadrupole moments, g-factors. Projected Hartree-Fock-Bogoliubov model, comparison with data.

RADIOACTIVITY 96Ru, 102Pd, 106,108Cd(2β+); calculated 2νββ-, 2νβEC-, 2νECEC-decay T1/2, deformation effects. Projected Hartree-Fock-Bogoliubov model, comparison with data.

doi: 10.1140/epja/i2005-10280-2
Citations: PlumX Metrics


2005BA24      Phys.Rev.Lett. 94, 102501 (2005)

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

Nuclear Masses Set Bounds on Quantum Chaos

doi: 10.1103/PhysRevLett.94.102501
Citations: PlumX Metrics


2005CH04      Eur.Phys.J. A 23, 223 (2005)

R.Chandra, J.Singh, P.K.Rath, P.K.Raina, J.G.Hirsch

Two-neutrino double-β decay of 94 ≤ A ≤ 110 nuclei for the 0+ → 0+ transition

NUCLEAR STRUCTURE 94,96Zr, 94,96,98,100Mo, 98,100,104Ru, 104,110Pd, 110Cd; calculated levels, J, π, B(E2), quadrupole moments, g-factors. Projected Hartree-Fock-Bogoliubov model, comparison with data.

RADIOACTIVITY 94,96Zr, 98,100Mo, 104Ru, 110Pd(2β-); calculated 2νββ-decay T1/2, deformation effects. Projected Hartree-Fock-Bogoliubov model, comparisons with data.

doi: 10.1140/epja/i2004-10087-7
Citations: PlumX Metrics


2005CI02      Phys.Rev. C 71, 14318 (2005)

O.Civitarese, M.Reboiro, J.G.Hirsch

Test of consistency of the so-called fully renormalized quasiparticle random phase approximation

doi: 10.1103/PhysRevC.71.014318
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


2005SH02      Eur.Phys.J. A 23, 235 (2005)

A.Shukla, P.K.Raina, R.Chandra, P.K.Rath, J.G.Hirsch

Two-neutrino positron double-beta decay of 106Cd for the 0+ → 0+

NUCLEAR STRUCTURE 106Pd, 106Cd; calculated levels, J, π, B(E2), quadrupole moments, g-factors. Projected Hartree-Fock-Bogoliubov model, comparison with data.

RADIOACTIVITY 106Cd(2β+); calculated 2νββ-decay T1/2, deformation effects. Projected Hartree-Fock-Bogoliubov model, comparisons with data.

doi: 10.1140/epja/i2004-10084-x
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


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

doi: 10.1103/PhysRevC.70.064320
Citations: PlumX Metrics


2003DU03      Nucl.Phys. A714, 63 (2003)

J.Dukelsky, G.G.Dussel, J.G.Hirsch, P.Schuck

Comparison between exact and approximate treatments of the pairing interaction for finite Fermi systems

doi: 10.1016/S0375-9474(02)01361-1
Citations: PlumX Metrics


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
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


2002HI06      Phys.Lett. 534B, 57 (2002)

J.G.Hirsch, O.Castanos, P.O.Hess, O.Civitarese

Selection Rules in the ββ Decay of Deformed Nuclei

RADIOACTIVITY 154Sm, 160Gd, 170Er, 176Yb, 232Th, 244Pu(2β-); calculated 2ν- and 0ν-accompanied 2β-decay T1/2, deformation effects.

doi: 10.1016/S0370-2693(02)01593-9
Citations: PlumX Metrics


2002HI09      Czech.J.Phys. 52, 513 (2002)

J.G.Hirsch, O.Castanos, P.O.Hess, V.E.Ceron, O.Civitarese

Double-Beta Decay in Deformed Nuclei

RADIOACTIVITY 146,148,150Nd, 160Gd, 186W, 192Os, 238U(2β-); 156Dy, 162Er, 168Yb(2EC); calculated 0ν- and 2ν-accompanied 2β-decay T1/2. Pseudo-SU(3) model, deformed nuclei.

doi: 10.1023/A:1015357210178
Citations: PlumX Metrics


2002HI12      Phys.Rev. C66, 015502 (2002)

J.G.Hirsch, O.Castanos, P.O.Hess, O.Civitarese

Theoretical Description of Double β Decay of 160Gd

RADIOACTIVITY 160Gd(2β-); calculated 0ν- and 2ν-accompanied 2β decay matrix elements, T1/2. Pseudo-SU(3) model with pairing interaction.

doi: 10.1103/PhysRevC.66.015502
Citations: PlumX Metrics


2002HI13      Eur.Phys.J. A 14, 355 (2002)

J.G.Hirsch, P.O.Hess, O.Civitarese

The Use of Coherent States in the Variational Treatment of Proton-Neutron Interactions

doi: 10.1140/epja/i2002-10029-5
Citations: PlumX Metrics


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

doi: 10.1556/APH.16.2002.1-4.32
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2001DR06      Acta Phys.Pol. B32, 2697 (2001)

J.P.Draayer, G.Popa, J.G.Hirsch

E2 and M1 Strengths in Heavy Deformed Nuclei

NUCLEAR STRUCTURE 160,162,164Dy, 168Er; calculated levels, B(E2), B(M1). Pseudo-SU(3) model, comparisons with data.


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
Citations: PlumX Metrics


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
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


2000BE16      Phys.Rev. C61, 054307 (2000)

T.Beuschel, J.G.Hirsch, J.P.Draayer

Scissors Mode and the Pseudo-SU(3) Model

NUCLEAR STRUCTURE 156,158,160Gd, 196Pt; calculated B(M1) strength distributions; deduced scissors mode related features. Pseudo-SU(3) model, comparisons with data.

doi: 10.1103/PhysRevC.61.054307
Citations: PlumX Metrics


2000CI03      Phys.Rev. C61, 064303 (2000)

O.Civitarese, P.O.Hess, J.G.Hirsch, M.Reboiro

Fermion and Boson Condensates in a QCD-Inspired Model Hamiltonian

doi: 10.1103/PhysRevC.61.064303
Citations: PlumX Metrics


2000CI06      Phys.Rev. C62, 054318 (2000)

O.Civitarese, J.G.Hirsch, F.Montani, M.Reboiro

Extended Quasiparticle Random Phase Approximation at Finite Temperatures: Calculation of single β-decay Fermi transitions

RADIOACTIVITY 76Ge(β-); calculated Fermi transitions sum rule, strength distributions, temperature effects. Extended quasiparticle RPA.

doi: 10.1103/PhysRevC.62.054318
Citations: PlumX Metrics


2000DU04      Eur.Phys.J. A 7, 155 (2000)

J.Dukelsky, J.G.Hirsch, P.Schuck

Occupation Numbers in Self Consistent RPA

doi: 10.1007/s100500050376
Citations: PlumX Metrics


2000MA29      Phys.Rev. C61, 054301 (2000)

A.Mariano, J.G.Hirsch

Limitations of the Number Self-Consistent Random Phase Approximation

NUCLEAR STRUCTURE 76As; calculated energy levels, occupation numbers, pairing gap vs residual interaction parameter; deduced role of proton-neutron interaction. Self-consistent renormalized quasiparticle RPA.

doi: 10.1103/PhysRevC.61.054301
Citations: PlumX Metrics


2000PO30      Phys.Rev. C62, 064313 (2000)

G.Popa, J.G.Hirsch, J.P.Draayer

Shell Model Description of Normal Parity Bands in Even-Even Heavy Deformed Nuclei

NUCLEAR STRUCTURE 156,158,160Gd; calculated levels, J, π, B(M1), B(E2) strength distributions. Pseudo-SU(3) model, comparisons with data.

doi: 10.1103/PhysRevC.62.064313
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


2000VA03      Phys.Rev. C61, 031301 (2000)

C.Vargas, J.G.Hirsch, T.Beuschel, J.P.Draayer

Shell Model Description of Normal Parity Bands in Odd-Mass Heavy Deformed Nuclei

NUCLEAR STRUCTURE 159Eu, 159Tb, 159Dy; calculated levels, J, π, B(E2). Shell model, pseudo-SU(3) symmetry, comparison with data.

doi: 10.1103/PhysRevC.61.031301
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1999CE12      Phys.Lett. 471B, 1 (1999)

V.E.Ceron, J.G.Hirsch

Double Electron Capture in 156Dy, 162Er and 168Yb

RADIOACTIVITY 156Dy, 162Er, 168Yb(2EC); calculated 2ν accompanied two-ec-decay T1/2. Pseudo SU(3) model.

doi: 10.1016/S0370-2693(99)01317-9
Citations: PlumX Metrics


1999CI01      Phys.Rev. C59, 194 (1999)

O.Civitarese, P.O.Hess, J.G.Hirsch, M.Reboiro

Spontaneous and Dynamical Breaking of Mean Field Symmetries in the Proton-Neutron Quasiparticle Random Phase Approximation and the Description of Double β Decay Transitions

NUCLEAR STRUCTURE 76Ge; calculated 2ν-accompanied 2β-decay matrix elements. Isospin symmetry breaking.

doi: 10.1103/PhysRevC.59.194
Citations: PlumX Metrics


1999DR07      J.Phys.(London) G25, 605 (1999)

J.P.Draayer, T.Beuschel, J.G.Hirsch

M1 Strengths in Deformed Nuclei

NUCLEAR STRUCTURE 156,158,160Gd, 196Pt, 163Dy; calculated levels, J, π, B(M1) distributions; deduced non-collective effects. Shell model, Elliot SU3. Comparison with data.

doi: 10.1088/0954-3899/25/4/006
Citations: PlumX Metrics


1999HI04      Phys.Rev. C60, 024309 (1999)

J.G.Hirsch, O.Civitarese, M.Reboiro

Comparison between Wave Functions in the Random Phase Approximation, Renormalized Random phase Approximation, and Self-Consistent Random Phase Approximation Methods

doi: 10.1103/PhysRevC.60.024309
Citations: PlumX Metrics


1999HI09      Phys.Rev. C60, 064303 (1999)

J.G.Hirsch, P.O.Hess, O.Civitarese

Boson Expansion Techniques, the Pauli Principle, and the Quasiparticle Random Phase Approximation Phase Transition

doi: 10.1103/PhysRevC.60.064303
Citations: PlumX Metrics


1999VA09      J.Phys.(London) G25, 881 (1999)

C.Vargas, J.G.Hirsch, P.O.Hess, J.P.Draayer

SU(3) Description of the Spin-Orbit Interaction

doi: 10.1088/0954-3899/25/4/060
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


1998BE08      Phys.Rev. C57, 1233 (1998)

T.Beuschel, J.P.Draayer, D.Rompf, J.G.Hirsch

Microscopic Description of the Scissors Mode and Its Fragmentation

NUCLEAR STRUCTURE 156,158,160Gd, 160,162,164Dy; calculated levels, J, π, M1 strength distributions. Microscopic pseudo-SU(3) shell model.

doi: 10.1103/PhysRevC.57.1233
Citations: PlumX Metrics


1998DR12      Yad.Fiz. 61, 1749 (1998); Phys.Atomic Nuclei 61, 1631 (1998)

J.P.Draayer, T.Beuschel, D.Rompf, J.G.Hirsch

Fragmentation of the Scissors Mode in Deformed Nuclei

NUCLEAR STRUCTURE 156,158,160Gd, 160,162,164Dy; calculated levels, J, π, B(M1) distributions; deduced parameters. Scissors mode, proton-neutron pseudo-SU(3) model.


1998MA30      Phys.Rev. C57, 3015 (1998)

A.Mariano, J.G.Hirsch

Particle Number Fluctuations in the Quasiparticle Random-Phase Approximation and Renormalized Quasiparticle Random-Phase Approximation

doi: 10.1103/PhysRevC.57.3015
Citations: PlumX Metrics


1998MA72      Phys.Rev. C58, 2736 (1998)

A.Mariano, J.G.Hirsch

Like Particles Vs Proton-Neutron Pairs: Phase transitions in realistic model spaces

NUCLEAR STRUCTURE 76Ge; calculated particle-number, pair-number fluctuations, double beta decay matrix elements with residual pn interaction. Quasiparticle RPA.

doi: 10.1103/PhysRevC.58.2736
Citations: PlumX Metrics


1998RO09      Phys.Rev. C57, 1703 (1998)

D.Rompf, T.Beuschel, J.P.Draayer, W.Scheid, J.G.Hirsch

Towards Understanding Magnetic Dipole Excitations in Deformed Nuclei: Phenomenology

doi: 10.1103/PhysRevC.57.1703
Citations: PlumX Metrics


1998VA17      Phys.Rev. C58, 1488 (1998)

C.Vargas, J.G.Hirsch, P.O.Hess, J.P.Draayer

Interplay between the Quadrupole-Quadrupole and Spin-Orbit Interactios in Nuclei

NUCLEAR STRUCTURE 20,22Ne, 44Ti; calculated wavefunctions, eigenvalues; deduced Hilbert space truncation. SU(3) shell model.

doi: 10.1103/PhysRevC.58.1488
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


1997AG02      Phys.Rev. C55, 1571 (1997)

V.V.Aguilar, P.O.Hess, J.G.Hirsch, A.E.Mariano

Testing Basic Assumptions of the Pseudosymplectic Model

NUCLEAR STRUCTURE 160Dy, 168Er, 234,236,238U; calculated protons partition into normal, unique orbitals, scale factors for B(E2) transitions; deduced pseudosymplectic model assumptions validity.

doi: 10.1103/PhysRevC.55.1571
Citations: PlumX Metrics


1997CI09      Phys.Lett. 412B, 1 (1997)

O.Civitarese, P.O.Hess, J.G.Hirsch

The Collapse of the pn-QRPA as a Signal of Phase-Instabilities

doi: 10.1016/S0370-2693(97)01060-5
Citations: PlumX Metrics


1997HI02      Phys.Lett. 390B, 36 (1997)

J.G.Hirsch, P.O.Hess, O.Civitarese

Double Beta Decay and the Proton-Neutron Residual Interaction

doi: 10.1016/S0370-2693(96)01511-0
Citations: PlumX Metrics


1997HI05      Phys.Rev. C56, 199 (1997)

J.G.Hirsch, P.O.Hess, O.Civitarese

Single- and Double-Beta Decay Fermi Transitions in an Exactly Solvable Model

doi: 10.1103/PhysRevC.56.199
Citations: PlumX Metrics


1996HI11      Phys.Rev. C54, 1976 (1996)

J.G.Hirsch, P.O.Hess, O.Civitarese

Renormalized Quasiparticle Random Phase Approximation and Double Beta Decay: A critical analysis of double Fermi transitions

doi: 10.1103/PhysRevC.54.1976
Citations: PlumX Metrics


1996TR06      Nucl.Phys. A601, 89 (1996)

D.Troltenier, J.P.Draayer, J.G.Hirsch

Correlations between the Quadrupole Deformation, B(E2; 01 → 21) Value, and Total GT(+) Strength

NUCLEAR STRUCTURE 20Ne; calculated levels, B(λ), Gamow-Teller transition strength. Deformed nucleus, SU(3) shell model.

doi: 10.1016/0375-9474(96)00092-9
Citations: PlumX Metrics


1995HI01      Nucl.Phys. A582, 124 (1995)

J.G.Hirsch, O.Castanos, P.O.Hess

Neutrinoless Double Beta Decay in Heavy Deformed Nuclei

RADIOACTIVITY 150,148,146Nd, 186W, 192Os, 238U(2β); calculated 0ν-accompanied 2β-decay T1/2, matrix element. Pseudo-SU(3) model.

doi: 10.1016/0375-9474(94)00464-X
Citations: PlumX Metrics


1995HI04      Phys.Rev. C51, 2252 (1995)

J.G.Hirsch, O.Castanos, P.O.Hess, O.Civitarese

Double-Beta Decay of 100Mo: The deformed limit

RADIOACTIVITY 100Mo(2β); calculated 2ν-accompanied 2β-decay matrix elements. Pseudo-SU(3) scheme.

doi: 10.1103/PhysRevC.51.2252
Citations: PlumX Metrics


1995HI11      Nucl.Phys. A589, 445 (1995)

J.G.Hirsch, O.Castanos, P.O.Hess, O.Civitarese

Double-Beta Decay to Excited States in 150Nd

NUCLEAR STRUCTURE 150Sm; calculated levels, B(λ). Pseudo SU(3) model.

RADIOACTIVITY 150Nd(2β); calculated 2ν-accompanied 2β-decay T1/2, Gamow-Teller matrix elements. Pseudo SU(3) model.

doi: 10.1016/0375-9474(95)00090-N
Citations: PlumX Metrics


1994CA10      Nucl.Phys. A571, 276 (1994)

O.Castanos, J.G.Hirsch, O.Civitarese, P.O.Hess

Double-Beta Decay in the Pseudo SU(3) Scheme

RADIOACTIVITY 146,148,150Nd, 186W, 192Os, 238U(2β); calculated 2ν-accompanied 2β-decay T1/2. Pseudo SU(3) scheme.

doi: 10.1016/0375-9474(94)90062-0
Citations: PlumX Metrics


Back to query form