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NSR database version of April 27, 2024.

Search: Author = A.A.Usmani

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2023RA06      Eur.Phys.J.Plus 138, 467 (2023)

A.A.Rather, M.Ikram, I.A.Rather, M.Imran, A.A.Usmani, B.Kumar, K.P.Santhosh, S.K.Patra

Theoretical studies on structural properties and decay modes of ^284-375119 isotopes

RADIOACTIVITY ^{284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326,327,328,329,330,331,332,333,334,335,336,337,338,339,340,341,342,343,344,345,346,347,348,349,350,351,352,353,354,355,356,357,358,359,360,361,362,363,364,365,366,367,368,369,370,371,372,373,374,375}119(α), (SF); calculated T_1/2, binding energy, quadrupole deformation parameter, separation energies, density profile and shape co-existence within the axially deformed relativistic mean field with NL3* parametrisation.

doi: 10.1140/epjp/s13360-023-03959-6
Citations: PlumX Metrics

2021RA09      Nucl.Phys. A1010, 122189 (2021)

I.A.Rather, A.A.Usmani, S.K.Patra

Effect of inner crust EoS on neutron star properties

doi: 10.1016/j.nuclphysa.2021.122189
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2021RA11      Phys.Rev. C 103, 055814 (2021)

I.A.Rather, U.Rahaman, M.Imran, H.C.Das, A.A.Usmani, S.K.Patra

Rotating neutron stars with quark cores

doi: 10.1103/PhysRevC.103.055814
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2020RA16      Int.J.Mod.Phys. E29, 2050044 (2020)

I.A.Rather, A.Kumar, H.C.Das, M.Imran, A.A.Usmani, S.K.Patra

Constraining bag constant for hybrid neutron stars

doi: 10.1142/S0218301320500445
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2020RA18      J.Phys.(London) G47, 105104 (2020)

I.A.Rather, A.A.Usmani, S.K.Patra

Study of nuclear matter properties for hybrid EoS

doi: 10.1088/1361-6471/aba116
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2020RA26      Int.J.Mod.Phys. E29, 2050076 (2020)

U.Rahaman, M.Ikram, M.Imran, A.A.Usmani

A study of nuclear radii and neutron skin thickness of neutron-rich nuclei near the neutron drip line

NUCLEAR STRUCTURE Z=6-40; calculated two-neutron separation and binding energies, charge and root mean square neutron radii, nuclear asymmetry parameter, neutron skin-thickness.

doi: 10.1142/S0218301320500767
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2018US01      Int.J.Mod.Phys. E27, 1850060 (2018)

A.A.Usmani, S.A.Abbas, U.Rahaman, M.Ikram, F.H.Bhat

The role of the elemental nature of A=3 nuclei in neutron-rich nuclei

NUCLEAR STRUCTURE ²⁴O, ⁶⁰Ca, ¹⁰⁵Br, ¹²³Nb, ¹⁸⁹Eu, ²⁷⁶U; calculated one- and two-triton separation energies, one- and two-neutron separation energies, binding energies; deduced six magic nuclei.

doi: 10.1142/S021830131850060X
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2017AH03      Phys.Rev. C 95, 054601 (2017)

S.Ahmad, A.A.Usmani, S.Ahmad, Z.A.Khan

Interaction cross sections and matter radii of oxygen isotopes using the Glauber model

NUCLEAR STRUCTURE ^{16,18,20,22,24,26}O; calculated point proton and neutron density distributions, oscillator parameters, matter rms radii using Slater determinants consisting of the harmonic oscillator single-particle wave functions (SDHO) and relativistic mean-field approach (RMF).

NUCLEAR REACTIONS ¹²C(¹⁶O, X), (¹⁸O, X), (²⁰O, X), (²²O, X), (²⁴O, X), (²⁶O, X), E=1.0 GeV/nucleon; calculated interaction σ. ¹⁶O(p, p), E=200, 300, 600, 1000 MeV; calculated σ(θ, E). ¹⁶O(p, X), E=40-1000 MeV; calculated reaction σ(E). Coulomb modified correlation expansion for Glauber model S matrix, and densities from the Slater determinants consisting of the harmonic oscillator single-particle wave functions (SDHO) and relativistic mean field (RMF) approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.054601
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2017AH08      Phys.Rev. C 96, 064602 (2017)

S.Ahmad, A.A.Usmani, Z.A.Khan

Matter radii of light proton-rich and neutron-rich nuclear isotopes

NUCLEAR REACTIONS ¹H(α, α), E=650, 850 MeV; ¹H(¹⁶O, ¹⁶O'), E=1000 MeV; analyzed experimental differential σ(θ) data. ¹²C(α, X), (⁶He, X), (⁸He, X), (⁷Li, X), (⁸Li, X), (⁹Li, X), (¹¹Li, X), (⁹Be, X), (¹⁰Be, X), (¹¹Be, X), (¹²Be, X), (¹⁴Be, X), (¹²B, X), (¹³B, X), (¹⁴B, X), (¹⁵B, X), E=790 MeV; ¹²C(¹⁰B, X), (¹³C, X), (¹⁶C, X), (¹⁹C, X), E=960 MeV; ¹²C(¹¹B, X), (¹²C, X), (²⁰Ne, X), (²⁰O, X), (²⁰F, X), (²⁶F, X), (²⁰Ne, X), (²¹Ne, X), (²³Ne, X), (²⁴Ne, X), (²⁵Ne, X), (²⁶Ne, X), (²⁸Ne, X), (²⁹Ne, X), (²²Na, X), (²³Na, X), (²⁵Na, X), (²⁶Na, X), (²⁷Na, X), (²⁸Na, X), (²⁹Na, X), (³⁰Na, X), (³¹Na, X), (³²Na, X), (²⁴Mg, X), (²⁵Mg, X), (²⁷Mg, X), (²⁹Mg, X), (³⁰Mg, X), (³¹Mg, X), (³²Mg, X), E=950 MeV; ¹²C(¹⁷B, X), (¹⁹B, X), E=800 MeV; ¹²C(¹⁴C, X), (¹⁷C, X), (¹⁴N, X), (²²N, X), (²²O, X), (²⁴F, X), E=965 MeV; ¹²C(¹⁵C, X), (¹⁷N, X), E=740 MeV; ¹²C(¹⁸C, X), E=955 MeV; ¹²C(²⁰C, X), E=905 MeV; ¹²C(¹⁵N, X), (¹⁸F, X), E=975 MeV; ¹²C(¹⁶N, X), (¹⁸N, X), (²³F, X), E=1020 MeV; ¹²C(¹⁹N, X), (²¹N, X), (²⁴F, X), E=1005 MeV; ¹²C(²³N, X), E=920 MeV; ¹²C(¹⁶O, X), (¹⁷O, X), (¹⁹O, X), E=970 MeV; ¹²C(¹⁸O, X), E=1050 MeV; ¹²C(²¹O, X), E=980 MeV; ¹²C(¹⁹F, X), E=985 MeV; ¹²C(²¹F, X), E=1000 MeV; ¹²C(²⁵F, X), E=1010 MeV; calculated oscillator constants, proton and neutron rms radii, proton and neutron density distributions; predicted experimental cross sections of stable and neutron-rich nuclei on ¹²C. ^4,6,8He, ^6,7,8,9,11Li, ^{9,10,11,12,13,14}Be, ^{10,11,12,13,14,15,16,17,19}B, ^{12,13,14,15,16,17,18,19,20}C, ^{14,15,16,17,18,19,20,21,22,23}N, ^{16,17,18,19,20,21,22,23,24}O, ^{18,19,20,21,23,24,25,26}F, ^{20,21,23,24,25,26,28,29}Ne, ^{22,23,25,27,28,29,30,31,32}Na, ^{24,25,27,29,30,31,32}Mg; extracted matter rms radii of neutron-rich nuclei, and compared with other theoretical approaches. ³He, ⁷Be, ⁸B, ^9,10,11C, ^12,13N, ^13,14,15O, ¹⁷F, ^17,18,19Ne, ^19,20,21Na, ^20,22,23Mg; extracted matter rms radii of proton-rich nuclei, and compared with other calculations. Glauber model.

doi: 10.1103/PhysRevC.96.064602
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2016AH01      Eur.Phys.J. A 52, 128 (2016)

S.Ahmad, D.Chauhan, A.A.Usmani, Z.A.Khan

Study of the neon interaction cross section using the Glauber model

NUCLEAR REACTIONS ¹²C(¹⁷Ne, x), (¹⁸Ne, x), (¹⁹Ne, x), (²⁰Ne, x), (²¹Ne, x), (²²Ne, x), (²³Ne, x), (²⁴Ne, x), (²⁵Ne, x), (²⁶Ne, x), (²⁷Ne, x), (²⁸Ne, x), (²⁹Ne, x), (³⁰Ne, x), (³¹Ne, x), (³²Ne, x), E=240 MeV/nucleon; calculated Ne harmonic oscillator parameters, neutron and proton rms radii, interaction σ, 1n removal σ using Glauber model S-matrix. Compared to available data. ³¹Ne deduced neutron halo.

doi: 10.1140/epja/i2016-16128-8
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2016RA40      Eur.Phys.J. A 52, 372 (2016)

A.A.Rather, M.Ikram, A.A.Usmani, B.Kumar, S.K.Patra

Structural and decay properties of Z = 132, 138 superheavy nuclei

NUCLEAR STRUCTURE Z=132, 138; calculated binding energy, mass excess, deformation, radius vs neutron number, α-decay, β-decay, SF T_1/2 using axially deformed relativistic mean-field with NL3^*.

doi: 10.1140/epja/i2016-16372-x
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2014CH39      Phys.Rev. C 90, 024603 (2014)

D.Chauhan, Z.A.Khan, A.A.Usmani

Interaction cross sections for neon isotopes in the Glauber model and the halo structure of ³¹Ne

NUCLEAR REACTIONS ¹²C(¹⁷Ne, X), (¹⁸Ne, X), (¹⁹Ne, X), (²⁰Ne, X), (²¹Ne, X), (²²Ne, X), (²³Ne, X), (²⁴Ne, X), (²⁵Ne, X), (²⁶Ne, X), (²⁷Ne, X), (²⁸Ne, X), (²⁹Ne, X), (³⁰Ne, X), (³¹Ne, X), (³²Ne, X), E=240, 950 MeV/nucleon; calculated interaction cross sections with and without the two-body density term. Halo structure. Coulomb-modified correlation expansion for the Glauber model S matrix. Comparison with experimental data.

NUCLEAR STRUCTURE ^{17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32}Ne; calculated point-proton and neutron RMF density distributions, neutron, proton, and matter radii.

doi: 10.1103/PhysRevC.90.024603
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2014IM01      J.Phys.(London) G41, 065101 (2014)

M.Imran, A.A.Usmani, M.Ikram, Z.Hasan, F.C.Khanna

Fully correlated variational Monte Carlo study of ⁴_ΛH and ⁴_ΛH^* hypernuclei

NUCLEAR STRUCTURE ⁴H; calculated hypernuclei separation energy, quenching factors, energy splitting between 0⁺ and 1⁺ states, one-body density. Comparison with available data.

doi: 10.1088/0954-3899/41/6/065101
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2008US01      J.Phys.(London) G35, 025105 (2008)

A.A.Usmani, F.C.Khanna

Behaviour of the ΛN and ΛNN potential strengths in the ⁵_ΛHe hypernucleus

doi: 10.1088/0954-3899/35/2/025105
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2007US01      J.Phys.(London) G34, 2707 (2007)

A.A.Usmani, Z.Hasan

Behaviour of the potentials due to strangeness degree of freedom in ⁶_Λ∓LHe hypernucleus

doi: 10.1088/0954-3899/34/12/014
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2006US01      Phys.Rev. C 73, 011302 (2006)

A.A.Usmani

ΛN space-exchange correlation effects in the ⁵_ΛHe hypernucleus

NUCLEAR STRUCTURE ⁵He; calculated hypernucleus binding energy, radius, Λ-separation energy, related features; deduced sensitivity to space-exchange correlation.

doi: 10.1103/PhysRevC.73.011302
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2006US03      Phys.Rev. C 74, 034320 (2006)

A.A.Usmani, Z.Hasan

Fully correlated study of ⁶_ΛΛHe hypernucleus including ΛN space-exchange correlations

NUCLEAR STRUCTURE ⁶He; calculated wave functions, core polarization, hyperon separation energies for two-Λ hypernuclei; deduced role of space-exchange correlations.

doi: 10.1103/PhysRevC.74.034320
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2003US01      Phys.Rev. C 68, 024001 (2003)

A.A.Usmani, S.Murtaza

Variational Monte Carlo calculation of ⁵_ΛHe hypernucleus

NUCLEAR STRUCTURE ⁵He; calculated hypernucleus binding energy, one-body density, core polarization. Variational Monte Carlo technique.

doi: 10.1103/PhysRevC.68.024001
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2000BE23      Nucl.Phys. A673, 241 (2000)

O.Benhar, N.N.Nikolaev, J.Speth, A.A.Usmani, B.G.Zakharov

Final State Interactions in ⁴He(e, e'p)³H at Large Proton Energy

NUCLEAR REACTIONS ⁴He(e, e'p), E not given; calculated missing momentum distributions for large proton energy; deduced final state interaction effects, role of color transparency. Eikonal approximation.

doi: 10.1016/S0375-9474(00)00126-3
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1996BE66      Z.Phys. A355, 267 (1996)

O.Benhar, S.Fantoni, N.N.Nikolaev, J.Speth, A.A.Usmani, B.G.Zakharov

Glauber Theory of Initial- and Final-State Interactions in (p, 2p) Scattering

NUCLEAR REACTIONS ²⁷Al(p, 2p), E at 6-12 GeV/c; ¹⁶O, ⁴⁰Ca(p, 2p), E at 6, 12 GeV/c; calculated nuclear transparency vs missing momentum x-, y-compenents; analyzed data. Quasielastic scattering, initial, final states Glauber theory description.

doi: 10.1007/s002180050109
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1996BF01      Zh.Eksp.Teor.Fiz. 110, 1933 (1996); J.Exper.Theo.Phys. 83, 1063 (1996)

O.Benhar, S.Fantoni, N.N.Nikolaev, J.Speth, A.A.Usmani, B.G.Zakharov

On the Missing-Momentum Dependence of the Color-Transparency Effects in (e, e'p) Scattering

NUCLEAR REACTIONS ¹⁶O, ⁴⁰Ca(e, e'p), E not given; calculated nuclear transparency, missing momentum distribution in parallel, transverse kinematics; deduced non-vanishing off diagonal incoherent rescattering contribution. Coupled-channel multiple-scattering theory.

1995BE50      Phys.Lett. 358B, 191 (1995)

O.Benhar, S.Fantoni, N.N.Nikolaev, J.Speth, A.A.Usmani, B.G.Zakharov

The Longitudinal Asymmetry of the (e, e'p) Missing Momentum Distribution as a Signal of Color Transparency

NUCLEAR REACTIONS ¹⁶O, ⁴⁰Ca(e, e'p), E not given; calculated longitudinal asymmetry vs Q²; deduced color transparency related features. Multiple scattering theory.

doi: 10.1016/0370-2693(95)01025-L
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1995US01      Phys.Rev. C51, 2347 (1995)

A.A.Usmani, S.C.Pieper, Q.N.Usmani

Variational Calculations of the (Lambda)-Separation Energy of the ¹⁷O(Lambda) Hypernucleus

NUCLEAR STRUCTURE A=17; calculated ¹⁷O(lambda) hypernucleus lambda separation energy. Variational Monte Carlo simulations.

doi: 10.1103/PhysRevC.51.2347
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1995US02      Phys.Rev. C52, 1773 (1995)

A.A.Usmani

Three-Baryon ΛNN Potential

NUCLEAR STRUCTURE ⁴He; calculated nucleons one-body densities. A=5; calculated nucleons one-body densities, for ⁵He(Λ) hypernucleus; deduced (Λ)(NN) potential strength. Three-baryon (Λ)(NN) potential, realistic variational Monte Carlo calculations.

doi: 10.1103/PhysRevC.52.1773
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1992US01      Phys.Rev. C45, 396 (1992)

A.A.Usmani, I.Ahmad, Q.N.Usmani

⁴He-⁴He Elastic Scattering and Variational Wave Functions

NUCLEAR REACTIONS ⁴He(α, α), E at 4.32 GeV/c; analyzed data. Glauber multiple scattering theory, correlated variational wave functions.

doi: 10.1103/PhysRevC.45.396
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1991US01      Phys.Rev. C43, 2412 (1991)

A.A.Usmani, I.Ahmad

Convergence of the Nucleus-Nucleus Glauber Multiple Scattering Series

NUCLEAR REACTIONS ⁴He(α, α), E at 4.32 GeV/c; analyzed data; deduced model convergence features. Glauber S-matrix operator, multiple scattering series.

doi: 10.1103/PhysRevC.43.2412
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1989US01      Phys.Rev. C39, 1182 (1989)

A.A.Usmani, I.Ahmad, Q.N.Usmani

α ⁴He Elastic Scattering at High Energies

NUCLEAR REACTIONS ⁴He(α, α), E at 4.32, 5.07 GeV/c; calculated σ(θ) vs momentum. Glauber multiple scattering theory.

doi: 10.1103/PhysRevC.39.1182
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1989US03      J.Phys.(London) G15, 1667 (1989)

A.A.Usmani, M.A.Alvi, I.Ahmad

A Correction to the Rigid-Projectile Model

NUCLEAR REACTIONS ¹²C, ⁴⁰Ca(α, α), E=1.37 GeV; calculated σ(θ). Rigid projectile model.

doi: 10.1088/0954-3899/15/11/011
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