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NSR database version of April 27, 2024.

Search: Author = A.Ansari

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2017AN06      Phys.Rev. C 95, 054309 (2017)

A.Ansari

Lowest excited 2⁺ and 3⁺states in even-A N=82 and N=126 isotones from relativistic quasiparticle random-phase approximation

NUCLEAR STRUCTURE ¹¹⁸Kr, ¹²⁰Sr, ¹²²Zr, ¹²⁴Mo, ¹²⁶Ru, ¹²⁸Pd, ¹³⁰Cd, ¹³²Sn, ¹³⁴Te, ¹³⁶Xe, ¹³⁸Ba, ¹⁴⁰Ce, ¹⁴²Nd, ¹⁴⁴Sm, ¹⁴⁶Gd, ¹⁴⁸Dy, ¹⁵⁰Er, ¹⁵²Yb, ¹⁵⁴Hf; ²⁰²Os, ²⁰⁴Pt, ²⁰⁶Hg, ²⁰⁸Pb, ²¹⁰Po, ²¹²Rn, ²¹⁴Ra, ²¹⁶Th, ²¹⁸U; calculated binding energies per particle, variations of binding energy per nucleon, energy, B(E2), B(E3) and g factors for the first 2+ and 3- states as function of A for N=82 and N=126 nuclei. Relativistic quasiparticle random phase approximation (RQRPA) formalism with NL3 and NL3* Lagrangian parameters. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.054309
Citations: PlumX Metrics

2017AN07      Int.J.Mod.Phys. E26, 1750050 (2017)

A.Ansari, N.Ghahramany

Production cross-sections of superheavy elements using nearly double magic nuclei as projectile

NUCLEAR STRUCTURE ^282,284,286Cn, ^288,290,292Fl, ^292,294,296Lv, ^294,296,298Og, ^{294,296,298,300}119, ^{296,298,300,302,304,306}120; calculated fission barrier height. Comparison with available data.

NUCLEAR REACTIONS ²⁴⁴Pu(⁵⁰Ti, X)²⁹⁴Lv, ²⁴³Am(⁵⁰Ti, X)²⁹³Ts, ²⁴⁸Cm(⁵⁰Ti, X)²⁹⁸Og, ²⁴⁹Bk(⁵⁰Ti, X)²⁹⁹119, ²⁴⁹Cf(⁵⁰Ti, X)²⁹⁹120, ²³⁸U(⁵⁴Cr, X)²⁹²Lv, ²³⁷Np(⁵⁴Cr, X)²⁹¹Ts, ²⁴⁴Pu(⁵⁴Cr, X)²⁹⁸Og, ²⁴³Am(⁵⁴Cr, X)²⁹⁷119, ²⁴⁸Cm(⁵⁴Cr, X)³⁰²120, ²³⁸U(⁵⁸Fe, X)²⁹⁶Og, ²³⁷Np(⁵⁸Fe, X)²⁹⁵119, ²⁴⁴Pu(⁵⁸Fe, X)³⁰²120, ²³⁸U(⁶⁴Ni, X)³⁰²120, E(cm)<270; calculated fusion, 3n-, 4n-channels evaporation residue σ, reaction parameters. Comparison with experimental data.

doi: 10.1142/S0218301317500501
Citations: PlumX Metrics

2016GH11      Eur.Phys.J. A 52, 287 (2016)

N.Ghahramany, A.Ansari

Synthesis and decay process of superheavy nuclei with Z=119-122 via hot-fusion reactions

NUCLEAR REACTIONS ²⁴⁹Bk, ²⁴⁹Cf, ²⁵⁴Es(⁵⁰Ti, x), E^*=0-70 MeV;²⁴⁹Cf(⁵⁴Cr, xn), E^*=0-70 MeV;²⁴³Am(⁵⁴Cr, xn), ²⁴⁸Cm(⁵¹V, xn), ²⁴⁹Bk(⁵⁰Ti, xn), ²⁵⁴Es(⁴⁸Ca, xn), E^*=5-100 MeV;²³⁸U(⁶⁴Ni, xn), ²⁴⁴Pu(⁵⁸Fe, xn), ²⁴⁸Cm(⁵⁴Cr, xn), ²⁴⁹Cf(⁵⁰Ti, xn), ²⁵⁷Fm(⁴⁸Ca, xn), E^*=5-100 MeV;²⁴⁷Bk(⁵⁴Cr, xn), ²⁵²Cf(⁵¹V, xn), (⁵⁰Ti, xn);²⁴⁴Pu(⁶⁴Ni, xn), ²⁴⁹Cf(⁵²Cr), e^*=10-100 MeV;²²⁶Ra, ²³²Th, ²³⁸U, ²³⁷Np, ^242,244Pu, ²⁴³Am, ^245,248Cm, ²⁴⁹Bk, ²⁴⁹Cf(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E^*=22-65 MeV; calculated compound-nucleus formation probability, fission barrier vs fissility parameter, neutron binding energy vs mass number, fusion σ, evaporation residue σ. Compared with data.

doi: 10.1140/epja/i2016-16287-6
Citations: PlumX Metrics

2007AN01      Pramana 68, 105 (2007)

A.Ansari, P.Sharma, U.R.Jakhar, H.L.Yadav

Shape evolution in ^{76, 78}Kr nuclei at high spins in tilted axis cranking Hartree-Fock-Bogoliubov approach

NUCLEAR STRUCTURE ^76,78Kr; calculated rotational band level energies, deformation parameters, configurations. Tilted-axis cranking model.

doi: 10.1007/s12043-007-0012-x
Citations: PlumX Metrics

2007AN16      Phys.Lett. B 649, 128 (2007)

A.Ansari, P.Ring

Magnetic dipole moment of the first excited 2⁺ state of Z = 50 isotopes and N = 82 isotones in relativistic QRPA

NUCLEAR STRUCTURE ^{100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134}Sn; calculated magnetic dipole moments. ¹³²Sn, ¹³⁴Te, ¹³⁶Xe, ¹³⁸Ba, ¹⁴⁰Ce, ¹⁴²Nd, ¹⁴⁴Sm, ¹⁴⁶Gd, ¹⁴⁸Dy, ¹⁵⁰Er, ¹⁵²Yb; calculated excited state level energies, magnetic dipole moments, proton pairing energy, binding energy. Relativistic quasiparticle RPA and relativistic Hartree-Bogoliubov models, comparison with data.

doi: 10.1016/j.physletb.2007.04.009
Citations: PlumX Metrics

2006AN27      Phys.Rev. C 74, 054313 (2006)

A.Ansari, P.Ring

Lowest lying 2⁺ and 3^- vibrational states in Pb, Sn, and Ni isotopes in relativistic quasiparticle random-phase approximation

NUCLEAR STRUCTURE ^{56,58,60,62,64,66,68,70,72,74,76,78,80}Ni, ^{100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134}Sn, ^{194,196,198,200,202,204,206,208,210,212,214}Pb; calculated vibrational states level energies, B(E2), B(E3). Relativistic quasiparticle RPA.

doi: 10.1103/PhysRevC.74.054313
Citations: PlumX Metrics

2005AN21      Phys.Lett. B 623, 37 (2005)

A.Ansari

Study of the lowest 2⁺ excitations and B(E2) transition strengths in relativistic QRPA for Sn-, and Pb-isotopes

NUCLEAR STRUCTURE ^{100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136}Sn, ^{204,206,208,210}Pb; ; calculated levels energies, B(E2), B(E3). Relativistic quasiparticle RPA, comparison with data.

doi: 10.1016/j.physletb.2005.07.031
Citations: PlumX Metrics

2005JA19      Pramana 65, 1041 (2005)

U.R.Jakhar, H.L.Yadav, A.Ansari

Structure of high spin states of ⁷⁶Kr and ⁷⁸Kr nuclei

NUCLEAR STRUCTURE ^76,78Kr; calculated rotational bands energies, deformation, configurations, g factors. Fully self-consistent cranked HFB approach.

doi: 10.1007/BF02705279
Citations: PlumX Metrics

2003AN34      Pramana 60, 1171 (2003)

A.Ansari, H.L.Yadav, M.Kaushik, U.R.Jakhar

High-spin structure of neutron-rich Dy Isotopes

NUCLEAR STRUCTURE ^{164,166,168,170}Dy; calculated high-spin level energies, g-factors, rotational band features. Cranked Hartree-Fock-Bogoliubov approach.

doi: 10.1007/BF02704284
Citations: PlumX Metrics

2002OI01      Phys.Lett. 525B, 255 (2002)

M.Oi, P.M.Walker, A.Ansari

A Self-Consistent Quantal Description of High-K States in the Tilted-Axis Cranking Model

NUCLEAR STRUCTURE ¹⁷⁸W; calculated level energies vs spin, rotational bands features. Tilted-axis cranking approach, self-consistent quantal description.

doi: 10.1016/S0370-2693(01)01451-4
Citations: PlumX Metrics

2002YA17      Part. and Nucl., Lett. 112, 66 (2002)

H.L.Yadav, M.Kaushik, I.R.Jakhar, A.Ansari

g Factors as a Probe for High-Spin Structure of Neutron-Rich Dy Isotopes

NUCLEAR STRUCTURE ^{164,166,168,170}Dy; calculated rotational bands deformation parameters, pair gaps, related features. ^{160,162,164,166,168,170}Dy; calculated rotational bands g factors vs angular momentum. Cranked mean-field approach, comparison with data.

2001AN03      Phys.Rev. C63, 024310 (2001)

A.Ansari, D.D.Nguyen, A.Arima

Thermal Shape and Orientation Fluctuation Corrections for the Hot Giant Dipole Resonance within the Static Path Approximation

NUCLEAR STRUCTURE ¹⁰⁶Sn; calculated GDR γ-absorption cross section vs spin, temperature. ^106,120Sn; calculated GDR width vs spin, temperature. Static path approximation, thermal shape fluctuations.

doi: 10.1103/PhysRevC.63.024310
Citations: PlumX Metrics

2001AN37      Pramana 57, 459 (2001)

A.Ansari

Nuclear Structure at High Excitation Energies

NUCLEAR STRUCTURE ^106,120Sn; calculated GDR widths vs spin, temperature. Cranked quadrupole-quadrupole interaction.

doi: 10.1007/s12043-001-0053-5
Citations: PlumX Metrics

2001OI03      Phys.Lett. 505B, 75 (2001)

M.Oi, P.M.Walker, A.Ansari

Shape Coexistence and Tilted-Axis Rotation in Neutron-Rich Hafnium Isotopes

NUCLEAR STRUCTURE ¹⁸²Hf; calculated rotational bands energy vs spin, shape coexistence features, high-K isomeric state. Tilted-axis cranking approach.

doi: 10.1016/S0370-2693(01)00350-1
Citations: PlumX Metrics

2001OI05      Acta Phys.Pol. B32, 2559 (2001)

M.Oi, A.Ansari, T.Horibata, N.Onishi, P.M.Walker

Wobbling Motion in the Multi-Bands Crossing Region: Dynamical coupling mode between high- and low-K states

NUCLEAR STRUCTURE ¹⁸²Os; analyzed rotational band energies, transition rates; deduced role of wobbling motion in signature inversion and signature splitting. Generator coordinate method after angular momentum projection.

2000AN19      Phys.Rev. C62, 011302 (2000)

A.Ansari, D.D.Nguyen, A.Arima

Hot Giant Dipole Resonance with Thermal Shape Fluctuation Corrections in the Static Path Approximation

NUCLEAR STRUCTURE ¹²⁰Sn; calculated GDR γ-absorption cross section vs angular momentum, temperature. Static path approximation, thermal shape fluctuations.

doi: 10.1103/PhysRevC.62.011302
Citations: PlumX Metrics

2000OI03      Phys.Lett. 480B, 53 (2000)

M.Oi, A.Ansari, T.Horibata, N.Onishi

Wobbling Motion in the Multi-Bands Crossing Region

NUCLEAR STRUCTURE ¹⁸²Os; calculated rotational bands energies, signature inversion and backbending features. Generator coodrdinate method after angular momentum projection.

doi: 10.1016/S0370-2693(00)00364-6
Citations: PlumX Metrics

1999AG03      Phys.Rev. C59, 3109 (1999)

B.K.Agrawal, S.K.Samaddar, A.Ansari, J.N.De

Influence of Pairing Correlations on the Excitation Energy, Angular Momentum, and Parity Dependence of Nuclear Level Densities

NUCLEAR STRUCTURE ¹⁵²Sm, ¹⁶⁰Yb; calculated level density, related parameters vs excitation energy; deduced pair correlation effects. Static path approximation.

doi: 10.1103/PhysRevC.59.3109
Citations: PlumX Metrics

1999AN17      Phys.Rev. C59, 2537 (1999)

A.Ansari

Second Backbend in the Mass A ∼ 180 Region

NUCLEAR STRUCTURE ¹⁸²Os; calculated rotational band alignment, g-factor; deduced second backbend. Cranked HFB calculations.

doi: 10.1103/PhysRevC.59.2537
Citations: PlumX Metrics

1999AN31      Phys.Lett. 460B, 24 (1999)

A.Ansari, M.Oi, N.Onishi, T.Horibata

High-K Exotics in Osmium Isotopes

NUCLEAR STRUCTURE ^182,184Os; calculated yrast energy vs spin, deformation, tilt angle; deduced high-K bands, rotational band mixing features. Tilted-axis cranking approach.

doi: 10.1016/S0370-2693(99)00723-6
Citations: PlumX Metrics

1999AN38      Nucl.Phys. A654, 558 (1999)

A.Ansari, M.Oi, N.Onishi, T.Horibata

High-Spin Structure of ^{182, 184}Os in Tilted Axis Cranking Approach

NUCLEAR STRUCTURE ^182,184Os; calculated rotational bands energies, deformation parameters, related features. Self-consistent tilted-axis cranking approach, pairing-plus-quadrupole interaction.

doi: 10.1016/S0375-9474(99)00241-9
Citations: PlumX Metrics

1999HO03      Nucl.Phys. A646, 277 (1999); Erratum Nucl.Phys. A651, 435 (1999)

T.Horibata, M.Oi, N.Onishi, A.Ansari

Band Structures of ¹⁸²Os Studied by GCM Based on 3D-CHFB

NUCLEAR STRUCTURE ¹⁸²Os; calculated rotational band structure; deduced tilted axis rotation. Generator coordinate method.

doi: 10.1016/S0375-9474(98)00642-3
Citations: PlumX Metrics

1998AG03      Phys.Lett. 421B, 13 (1998)

B.K.Agrawal, A.Ansari

Level Density and Level Density Parameter in Medium Heavy Nuclei Including Thermal and Quantal Fluctuation Effects

NUCLEAR STRUCTURE ¹⁰⁴Pd, ¹¹⁴Sn; calculated level density vs excitation energy; deduced thermal, quantal fluctuation effects. Static path approximation plus RPA.

doi: 10.1016/S0370-2693(97)01604-3
Citations: PlumX Metrics

1998AG15      Nucl.Phys. A640, 362 (1998)

B.K.Agrawal, A.Ansari

Excitation Energy and Angular Momentum Dependence of Nuclear Level Densities and Spin Cut-Off Factor in SPA and SPA + RPA Approaches

NUCLEAR STRUCTURE ¹¹⁰Sn; calculated level density; deduced energy and angular momentum dependence of spin cut-off factor. RPA, static path approximation.

doi: 10.1016/S0375-9474(98)00462-X
Citations: PlumX Metrics

1998MA76      J.Phys.(London) G24, 2103 (1998)

D.Majumdar, K.Kar, A.Ansari

Giant Dipole Resonance in Spectral Averaging Theory and Analysis of Experimental Data for the ⁷⁶Se Nucleus

NUCLEAR STRUCTURE ⁷⁶Se; calculated GDR photon adsorption σ. Spectral averaging theory. Comparison with data.

doi: 10.1088/0954-3899/24/11/011
Citations: PlumX Metrics

1997AG04      Nucl.Phys. A615, 183 (1997)

B.K.Agrawal, A.Ansari, P.RIng

A Microscopic Study of the Giant Dipole Resonance γ-Absorption Cross Section in Hot Rotating Nuclei

NUCLEAR STRUCTURE A=140; analyzed GDR properties for N=70, Z=70 nucleus. Hot rotating nuclei, linear response theory.

doi: 10.1016/S0375-9474(97)00012-2
Citations: PlumX Metrics

1997KH09      Can.J.Phys. 75, 549 (1997)

M.S.Khan, Sk.S.Ali, P.Singh, H.Khushnood, A.R.Ansari, M.A.Nasr, T.Ahmed, M.Irfan

Some Interesting Results on Compound Multiplicity in ¹²C-Nucleus Reactions at 4.5 A GeV/c

NUCLEAR REACTIONS H, C, N, O, Ag, Br(¹²C, X), E at 4.5 GeV/c/nucleon; analyzed secondary charged particles multiplicity distributions; deduced inclination coefficient projectile dependence related features. Other data compared.

doi: 10.1139/cjp-75-8-549
Citations: PlumX Metrics

1997MA40      J.Phys.(London) G27, L41 (1997)

D.Majumdar, K.Kar, A.Ansari

Giant Dipole Resonance in Spectral Averaging Theory

NUCLEAR REACTIONS, ICPND ⁶⁴Zn(γ, X), E ≤ 45 MeV; calculated GDR absorption σ(E). Spectral averaging theory.

doi: 10.1088/0954-3899/23/7/001
Citations: PlumX Metrics

1997MU07      Phys.Rev. C55, 2005 (1997)

M.G.Mustafa, A.Ansari

Color-Singlet Strangelets at Finite Temperature

doi: 10.1103/PhysRevC.55.2005
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1997MU16      Phys.Rev. C56, 420 (1997)

M.G.Mustafa, A.Ansari

Deformed Strangelets at Finite Temperature

NUCLEAR STRUCTURE A ≤ 100; calculated baryon energy per particle vs deformation parameter; deduced color-singlet strangelets stability related features. Massless quarks confined in axially symmetric quadrupole shape deformable bag.

doi: 10.1103/PhysRevC.56.420
Citations: PlumX Metrics

1996KH10      Can.J.Phys. 74, 651 (1996)

M.S.Khan, H.Khushnood, A.R.Ansari

Multiplicity Characteristics of ¹²C-Nucleus Interactions at 4.5 A GeV c^-1

NUCLEAR REACTIONS H, C, N, O, Ag, Br(¹²C, X), E at 4.5 GeV/c/nucleon; analyzed charged secondaries multiplicity distributions, other aspects. Fireball model.

doi: 10.1139/p96-094
Citations: PlumX Metrics

1996KH11      J.Phys.Soc.Jpn. 65, 1636 (1996)

M.S.Khan, P.Singh, Sk.S.Ali, H.Khushnood, A.R.Ansari

Production of Secondary Charged Particles in ¹²C-Nucleus Reactions at 4.5 GeV per Nucleon

NUCLEAR REACTIONS ¹H, C, N, O, Ag, Br(¹²C, X), E at 4.5 GeV/c/nucleon; measured secondary charged particles production associated normalized mean, reduced multiplicity.

1996KH13      Nuovo Cim. 109A, 1623 (1996)

M.S.Khan, H.Khushnood, A.R.Ansari, M.A.Nasr, T.Ahmed, M.Irfan

Multiplicity Correlations in the Forward and Backward Hemispheres in ¹²C-Nucleus Interactions at 4.5A GeV/c

1995AG01      Nucl.Phys. A584, 1 (1995)

B.K.Agrawal, A.Ansari

Equation of State for a Hot Rotating Nucleus in the Static Path Approximation

NUCLEAR STRUCTURE ⁶⁵Zn; calculated entropy vs spin, equation of state. Hot rotating nucleus, static path approximation.

doi: 10.1016/0375-9474(94)00499-D
Citations: PlumX Metrics

1995SA38      Nuovo Cim. 108A, 147 (1995)

M.Salelem Khan, H.Khushnood, A.R.Ansari, Q.N.Usmani

Study of Disintegrations Caused by 4.5 GeV Carbon Nuclei in Nuclear Emulsion

1994AG01      Nucl.Phys. A567, 1 (1994)

B.K.Agrawal, A.Ansari

Thermal Properties of a Rotating Nucleus in a Fluctuating Mean-Field Approach

NUCLEAR STRUCTURE ⁶⁴Zn; calculated energy, level density, moment of inertia vs temperature, spin. Fluctuating mean-field approach.

doi: 10.1016/0375-9474(94)90723-4
Citations: PlumX Metrics

1994AG04      Phys.Rev. C50, 509 (1994)

B.K.Agrawal, A.Ansari

Temperature Induced Alignment in Hot Rotating Nuclei

NUCLEAR STRUCTURE ⁶⁴Zn; calculated moment of inertia vs rotational frequency, temperature; deduced high temperature spectroscopy implications. Cranking Hamiltonian.

doi: 10.1103/PhysRevC.50.509
Citations: PlumX Metrics

1994AG05      Nucl.Phys. A576, 189 (1994)

B.K.Agrawal, A.Ansari

On the Angular-Momentum Dependence of Nuclear-Level Densities

NUCLEAR STRUCTURE ²⁴Mg, ⁶⁴Zn; calculated spin dependence of level density, level density parameter. Static path approximation to partition function, cranked quadrupole interaction hamiltonian.

doi: 10.1016/0375-9474(94)90256-9
Citations: PlumX Metrics

1994AG09      Phys.Lett. 339B, 7 (1994)

B.K.Agrawal, A.Ansari

Calculation of Realistic Level Densities with Bethe's Formula

NUCLEAR STRUCTURE ⁴⁴Ti; calculated spin, temperature dependent level density, level density parameter.

doi: 10.1016/0370-2693(94)91124-X
Citations: PlumX Metrics

1994AN06      Phys.Rev. C49, 2809 (1994)

A.Ansari

g Factors of High Spin States in ¹⁵⁴Dy

NUCLEAR STRUCTURE ¹⁵⁴Dy; calculated levels g-factor vs spin; deduced some single particle orbitals rotational alignment evidence, noncollapse of proton pairing upto very high spins. Self-consistent cranked HFB theory.

doi: 10.1103/PhysRevC.49.2809
Citations: PlumX Metrics

1993RO01      Phys.Rev.Lett. 70, 1061 (1993)

R.Rossignoli, A.Ansari, P.Ring

Projected Statistics and Level Densities

NUCLEAR STRUCTURE ²⁰Ne; calculated even J state projected energies vs temperature, level density. Static path approximation, one-body statistical operators.

doi: 10.1103/PhysRevLett.70.1061
Citations: PlumX Metrics

1992AG05      Phys.Rev. C46, 2319 (1992)

B.K.Agrawal, A.Ansari

Thermal Properties of Zinc Isotopes in the Static Path Approximation

NUCLEAR STRUCTURE ^64,70,76Zn; calculated level energy vs T², inverse level density vs temperature T, moment of inertia vs rotational frequency, temperature; deduced rigid body behavior. Static path approximation, quadrupole-quadrupole interaction Hamiltonian.

doi: 10.1103/PhysRevC.46.2319
Citations: PlumX Metrics

1991AN02      Phys.Rev. C43, 901 (1991)

A.Ansari

Effect of Hexadecapole Degrees of Freedom on the Ground and Low Spin Structure of ¹⁹²Os

NUCLEAR STRUCTURE ¹⁹²Os; calculated shape parameters, low spin level g factors. Cranked Hartree-Fock-Bogoliubov method, hexadecapole degrees of freedom.

doi: 10.1103/PhysRevC.43.901
Citations: PlumX Metrics

1990AN02      Phys.Rev. C41, 782 (1990)

A.Ansari

Rotational g Factor of ¹⁵⁸Er at Low Spins

NUCLEAR STRUCTURE ¹⁵⁸Er; calculated levels, g, quadrupole deformation parameter, n, p gap energies. Pairing plus quadrupole model.

doi: 10.1103/PhysRevC.41.782
Citations: PlumX Metrics

1988AN07      Phys.Lett. 207B, 361 (1988)

A.Ansari

Intra- and Inter-Nucleus Variations of g Factors in Os Isotopes

NUCLEAR STRUCTURE ^{186,188,190,192}Os; calculated levels, Iγ, deformation parameters, g. Cranked HFB theory, pairing + quadrupole hamiltonian.

doi: 10.1016/0370-2693(88)90664-8
Citations: PlumX Metrics

1988AN08      Phys.Rev. C38, 323 (1988)

A.Ansari

Rotational g Factors of Osmium Isotopes at Low Spins

NUCLEAR STRUCTURE ^{186,188,190,192}Os; calculated g vs mass, level spin. Spin-projected axial HFB, cranked HFB theories.

doi: 10.1103/PhysRevC.38.323
Citations: PlumX Metrics

1988AN09      Phys.Rev. C38, 953 (1988)

A.Ansari

Structure of Os and Pt Isotopes

NUCLEAR STRUCTURE ^{186,188,190,192}Os, ^{186,188,190,192}Pt; calculated potential energy surfaces; deduced shape transition. Self-consistent HFB.

doi: 10.1103/PhysRevC.38.953
Citations: PlumX Metrics

1986AN02      Phys.Rev. C33, 321 (1986)

A.Ansari

Shape Transition in Os and Pt Isotopes

NUCLEAR STRUCTURE ^{186,188,190,192,194,196}Os, ^{186,188,190,192,194,196}Pt; calculated pairing gaps, β₂, β₄; deduced shape transition behavior. Self-consistent HFB method.

doi: 10.1103/PhysRevC.33.321
Citations: PlumX Metrics

1985AN12      Phys.Rev. C32, 637 (1985)

A.Ansari, S.C.K.Nair

Structural Changes at very High Spins in Yb Isotopes

NUCLEAR STRUCTURE ^170,172,174Yb; calculated g factors; deduced high spin rotation alignment. Cranked Hartree-Fock-Bogoliubov method.

doi: 10.1103/PhysRevC.32.637
Citations: PlumX Metrics

1985WU01      Nucl.Phys. A435, 477 (1985)

E.Wust, A.Ansari, U.Mosel

Angular-Momentum-Projected Cranked HFB Approach to the Study of Nuclear Rotations

NUCLEAR STRUCTURE ¹⁵⁸Dy, ¹⁵⁸Yb; calculated levels, yrast spectra, proton, neutron pairing, g, mass, charge quadrupole moments vs J. Cranked HFB, pairing plus quadrupole interaction.

doi: 10.1016/0375-9474(85)90474-9
Citations: PlumX Metrics

1985WU04      Phys.Lett. 161B, 223 (1985)

E.Wust, A.Ansari

A Microscopic Study of the s Band in the Generator Coordinate Approach

NUCLEAR STRUCTURE ¹⁵⁸Dy; calculated levels, g, band structure. Cranked HFB, generator coordinate method.

doi: 10.1016/0370-2693(85)90749-X
Citations: PlumX Metrics

1984AN04      Nucl.Phys. A415, 215 (1984)

A.Ansari, E.Wust, K.Muhlhans

Magnetic Moment and High-Spin Structure of Some Rare-Earth Nuclei

NUCLEAR STRUCTURE ¹⁵⁴Sm, ¹⁵⁸Gd, ^158,164Dy, ¹⁶⁶Er; calculated g, quadrupole deformation parameters spin dependences. Cranked HFB, number projection.

doi: 10.1016/0375-9474(84)90621-3
Citations: PlumX Metrics

1984AN15      Phys.Lett. 143B, 309 (1984)

A.Ansari, E.Wust

Antialignment and Low-Spin Structure of the s-Band

NUCLEAR STRUCTURE ¹⁵⁸Dy; calculated levels, g vs spin; deduced s-band low spin structure, antialignment. Number, angular momentum projected cranked HFB calculation.

doi: 10.1016/0370-2693(84)91471-0
Citations: PlumX Metrics

1982AN05      Phys.Rev. C25, 1664 (1982)

A.Ansari, S.C.K.Nair

g Factors at High Spins

NUCLEAR STRUCTURE ¹⁶⁰Yb, ¹⁵⁸Er; calculated g. HFB method.

doi: 10.1103/PhysRevC.25.1664
Citations: PlumX Metrics

1982MA32      Nuovo Cim. 70A, 62 (1982)

H.Markum, M.E.Faber, A.Ansari, G.Eder, A.Faessler

Investigation of Pairing Correlations in High-Spin States by HBF and BCS Approach

NUCLEAR STRUCTURE ¹⁵⁰Gd; calculated total energy, deformation energy vs total angular momentum. HFB, modified BCS formalisms.

1980AN01      Nucl.Phys. A334, 93 (1980)

A.Ansari, O.Civitarese, A.Faessler

The Pairing Correlations and Nuclear Shapes at Very High Angular Momenta

NUCLEAR STRUCTURE ¹⁵⁰Gd; calculated deformation energy surfaces, n, p pairing gaps. Hartree-Fock-Bogoliubov method, generalized Strutinsky procedure.

doi: 10.1016/0375-9474(80)90142-6
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1980AN09      Phys.Rev. C21, 1674 (1980)

A.Ansari, S.C.K.Nair

Second and Third Backbending in ¹⁶⁰Yb

NUCLEAR STRUCTURE ¹⁶⁰Yb; calculated yrast levels; deduced second, third backbending. Cranked Hartree-Fock-Bogoliubov, pairing, quadrupole-quadrupole interaction.

doi: 10.1103/PhysRevC.21.1674
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1979SA03      Phys.Rev. C19, 263 (1979)

L.Satpathy, A.Ansari, M.Satpathy

Anomaly of High Spin States

NUCLEAR STRUCTURE ¹⁵⁸Er, ¹⁶⁶Yb; calculated projected energies, square of angular momentum strength; deduced mechanism of backbending. Hartree-BCS formalism.

doi: 10.1103/PhysRevC.19.263
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1979SA07      Phys.Rev. C19, 511 (1979); Erratum Phys.Rev. C19, 2424 (1979)

R.Sahu, M.Satpathy, A.Ansari, L.Satpathy

Triaxial Description of ¹⁸⁸Os and ¹⁸⁸Pt

NUCLEAR STRUCTURE ¹⁸⁸Os, ¹⁸⁸Pt; calculated levels, B(E2), electromagnetic moments of ground, γ band. Hartree-BCS theory with pairing Q.Q interaction.

doi: 10.1103/PhysRevC.19.511
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1978AN18      Phys.Rev.Lett. 41, 1768 (1978)

A.Ansari, S.C.K.Nair

Second Backbending in ¹⁵⁸Er

NUCLEAR STRUCTURE ¹⁵⁸Er; calculated levels; deduced J=26 backbending. Cranked Hartree-Fock-Bogoliubov method. Quadrupole-quadrupole model.

doi: 10.1103/PhysRevLett.41.1768
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1978DE16      Pramana 10, 213 (1978)

J.Dey, A.Ansari

Particle-Hole Calculations in ⁴He and ¹⁶O with Centre of Mass Subtracted Kinetic Energy

NUCLEAR STRUCTURE ⁴He, ¹⁶O; calculated levels. Particle-hole calculations.

doi: 10.1007/BF02846358
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1978SA32      Pramana 10, 589 (1978)

M.Satpathy, R.Sahu, A.Ansari, L.Satpathy

An Angular Momentum Expansion of Energy and Structure of High Spin States

NUCLEAR STRUCTURE ¹³²Ce, ^156,158Dy, ^158,160,162Er, ¹⁶⁶Yb; calculated energies of high spin states. Microscopic approach, angular momentum expansion of energy.

doi: 10.1007/BF02879546
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1977AN07      Nucl.Phys. A283, 326 (1977)

A.Ansari, S.C.K.Nair

The Back-Bending Phenomenon in ¹⁵⁸Er

NUCLEAR STRUCTURE ¹⁵⁸Er; calculated backbending.

doi: 10.1016/0375-9474(77)90434-1
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1977NA22      Phys.Lett. 71B, 257 (1977)

S.C.K.Nair, A.Ansari, L.Satpathy

Neutron-Proton Interaction and Nuclear Deformations

NUCLEAR STRUCTURE ²⁰Ne, ²⁴Mg; calculated intrinsic quadrupole moment Q₀. Hartree-Fock-Bogoliubov. ¹⁵⁴Sm, ¹⁶⁰Gd, ¹⁶²Dy, ¹⁶⁸Er; calculated β. Baranger-Kumar.

doi: 10.1016/0370-2693(77)90208-8
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1973AN20      Nucl.Phys. A217, 245 (1973)

A.Ansari, S.C.K.Nair

On the Generator Coordinate Method for Shape Vibrations

NUCLEAR STRUCTURE ³⁶S, ¹⁵²Sm; calculated levels.

doi: 10.1016/0375-9474(73)90194-2
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1973NA25      Phys.Lett. 47B, 200 (1973)

S.C.K.Nair, A.Ansari

Centrifugal Stretching in ¹⁵⁸Er

NUCLEAR STRUCTURE ¹⁵⁸Er; levels calculated centrifugal stretching.

doi: 10.1016/0370-2693(73)90707-7
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1971AN02      Nucl.Phys. A163, 56 (1971)

A.Ansari, S.C.K.Nair

Angular Momentum Projection Approach to Nuclear Rotations in the Rare-Earth Region - An Illustration for ¹⁵²Sm

NUCLEAR STRUCTURE ¹⁵²Sm; calculated levels, B(E2), quadrupole moment, deformation parameters.

doi: 10.1016/0375-9474(71)90521-5
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Note: The following list of authors and aliases matches the search parameter A.Ansari: , A.R.ANSARI