NSR Query Results
Output year order : Descending NSR database version of May 3, 2024. Search: Author = A.M.Khalaf Found 20 matches. 2023AB30 Phys.Atomic Nuclei 86, 946 (2023) M.A.Abdelsalam, H.A.Ghanim, M.Kotb, A.M.Khalaf Identical Bands Around the Isobaric Rare-Earth Even–Even Nuclei with the Mass Number of A=164 NUCLEAR STRUCTURE 162Yb, 166Hf, 162Er, 166Yb, 162Dy, 166Er, 160Dy, 168Yb, 160Er, 168Hf, 158Er, 170W, 158Dy, 170Hf, 156Dy, 172W; analyzed available data; deduced a theoretical collective rotational formula containing three parameters (CRF3) as an extended version of Bohr–Mottelson model to calculate the ground state positive parity excitation energies. Comparison with the potential energy surfaces (PES's) which describe the nuclear deformation.
doi: 10.1134/S1063778824010010
2023EL08 Phys.Atomic Nuclei 86, 356 (2023) W.B.Elsharkawy, A.Mera, M.Kotb, A.M.Khalaf Nuclear Shape Transition, Triaxiality and Energy Staggering of Υ-Band States for Even-Even Xenon Isotopic Chain NUCLEAR STRUCTURE 120,122,124,126,128,130,132,134Xe; calculated energy levels, J, π, B(E2), potential energy surfaces within the framework of modified O(6) limit of the interacting boson model (IBM).
doi: 10.1134/S1063778823040208
2023KH07 Phys.Atomic Nuclei 86, 87 (2023) A.M.Khalaf, M.M.Taha, M.M.Sirag Deviation From Rigid Rotational Behavior of Superdeformed Nuclear Bands in Tl and Pb Signature Partners NUCLEAR STRUCTURE 191,193,195Tl, 193,195,197Pb; calculated transition energies, J, rotational frequencies, kinematic and dynamic moments of inertia using the rigid rotational energy formula. Comparison with available data.
doi: 10.1134/S1063778823020102
2022KH04 Phys.Atomic Nuclei 85, 263 (2022) A.M.Khalaf, M.M.Taha, A.M.Ismail Occurrence of Staggering and Identical Energies in Ground State Rotational Bands in Some Actinide Isotopes within Two-Parameter Rotational Model NUCLEAR STRUCTURE 230,232Th, 234,236,238U, 236,238Pu; calculated energy levels, J, π, kinetic and dynamic moments of inertia, staggering parameters, ground-state bands. Comparison with experimental data.
doi: 10.1134/S1063778822030103
2022KH12 Phys.Atomic Nuclei 85, 606 (2022) Energy Staggering and Identical Superdeformed Bands in 191-195Tl Nuclei within Modified Perturbed SU(3)Limit of The sdg IBM NUCLEAR STRUCTURE 191,192,193,194,195Tl; analyzed available data; deduced the bandhead spins of superdeformed rotational bands using the Harris formula, the experimental interaband γ-ray transition energies, a minimum root-mean-square deviation between calculated and experimental transition energies.
doi: 10.1134/S1063778823010271
2022SA44 Phys.Atomic Nuclei 85, 434 (2022) Description of Some Superdeformed Bands in Mercury, Thallium, and Lead Nuclei Using a Suggested Collective Rotation-Vibration Model Plus Fluctuation Energy Term NUCLEAR STRUCTURE 192,194Tl, 193,194Pb, 191,192Hg; analyzed available data; deduced properties of eleven superdeformed (SD) bands, parameters for collective rotational-vibrational model with fluctuation energy term.
doi: 10.1134/S1063778822050088
2021GH11 Phys.Atomic Nuclei 84, 433 (2021) H.A.Ghanim, M.Kotb, M.D.Okasha, A.M.Khalaf Features of Triaxial Superdeformed Bands in Odd Mass Nuclei Using the Cranked Nilsson-Strutinsky Model NUCLEAR STRUCTURE 163,165Lu; calculated transition energies minus a rigid rotor reference for the bands, even-odd energy staggering parameters, axial asymmetry deformation parameter, the gamma transition energies, rotational frequencies, kinematic and dynamic moments of inertia in triaxial superdeformed (TSD) odd nuclei using the cranked Nilsson-Strutinsky (CNS) model.
doi: 10.1134/S106377882104013X
2021RA34 Phys.Part. and Nucl.Lett. 18, 527 (2021) M.Ramadan, A.M.Khalaf, M.Kotb, M.D.Okasha Nuclear Shape Phase Transitions Using IBM Applied to Erbium and Ruthenium Nuclei NUCLEAR STRUCTURE 154,156,158,160,162,164,166,168Er; calculated energy levels, J, π, B(E2), potential energy surfaces. The interacting boson model.
doi: 10.1134/S1547477121050095
2020AB17 Phys.Atomic Nuclei 83, 849 (2020) A.A.Abdalaty, M.Kotb, M.D.Okasha, A.M.Khalaf Extended Exponential Model with Pairing Attenuation and Investigation of Energy Staggering and Identical Bands Effects in Superdeformed Thallium Nuclei NUCLEAR STRUCTURE 191,192,193,194,195Tl; calculated rotational frequency, dynamic and kinematic moments of inertia, superdeformed rotational bands using extended exponential model with pairing attenuation (EEMPA).
doi: 10.1134/S1063778820660011
2020KH03 Nucl.Phys. A996, 121704 (2020) A.M.Khalaf, A.M.Ismail, A.A.Zaki Nuclear shape transition between the limiting symmetries U(5) and SU(3) of interacting boson model applied to double even Hafnium isotopic chain
doi: 10.1016/j.nuclphysa.2020.121704
2020KH04 Nucl.Phys. A997, 121719(2020) A.M.Khalaf, M.D.Okasha, G.S.M.Ahmed, A.Abdelsalam Identical bands in doubly even nuclei in framework of variable moment of inertia (VMI) and interacting boson models
doi: 10.1016/j.nuclphysa.2020.121719
2020KH13 Phys.Atomic Nuclei 83, 866 (2020) A.M.Khalaf, M.Kotb, A.Abdelsalam, M.D.Okasha, S.T.Ahman, H.H.Kassim, F.I.Sharrad, H.Y.Abdullah Description of Superdeformed Bands of the Isotones N=113 for Nuclear Mass Region A ∼ 190 NUCLEAR STRUCTURE 193Hg, 194Tl, 195Pb; calculated electric quadrupole γ-ray transition energies Eγ, rotational frequencies, dynamic J and kinematic moments of inertia for yrast and excited superdeformed (SD) bands using two-parameter power-law formula.
doi: 10.1134/S1063778820660059
2019KH05 Nucl.Phys. A988, 1 (2019) A.M.Khalaf, G.S.M.Ahmed, A.Abdelsalam, M.R.M.Allam Investigation of energy staggering effects in Thorium isotopes in framework of interacting vector Boson model NUCLEAR STRUCTURE 224,226,228,232Th; calculated positive parity gs rotational band states with Lπ=0+.2+.4+. ... and negative parity octupole band Lπ=1-, 3-, 5-, ..., staggering in the frame of rotational limit of symplectic Interacting Vector Boson Model (IVBM); deduced IVBM parameters for ground and octupole bands.
doi: 10.1016/j.nuclphysa.2019.05.007
2019KH09 Nucl.Phys. A991, 121610 (2019) M.Khalil, A.M.Khalaf, M.Kotb, M.D.Okasha Properties of platinum isotopes in framework of particle rotor model and IBM NUCLEAR STRUCTURE 180,182,184,186,188,190,192Pt; calculated levels, angular momentum, dynamical moment of inertia vs rotational frequency, backbending using Particle Rotor Model (PRM) (a rotor core coupled with a few valence nucleons moving in deformed potential of the core), potential energy surface vs deformation parameter β; deduced Nilsson and Variable Moment of Inertia (VMI) parameters, critical angular momentum, quadrupole and decahexapole deformation parameters.
doi: 10.1016/j.nuclphysa.2019.121610
2018KH01 Nucl.Phys. A969, 83 (2018) A.M.Khalaf, M.M.Khalifa, A.H.M.Solieman, M.N.H.Comsan Nuclear matter parameters and optical model analysis of proton elastic scattering on the doubly magic nucleus 40Ca NUCLEAR REACTIONS 40Ca(p, p), E=9-22 MeV; calculated σ(Ep), Ip(θ), nuclear matter radius, polarization (only for E=10-18.2 MeV) using optical model code SCAT2000; compared to data; deduced optical model parameters.
doi: 10.1016/j.nuclphysa.2017.09.009
2017KH06 Int.J.Mod.Phys. E26, 1730011 (2017) Nature of cross-talk transitions and ΔI = 1 energy staggering in signature partners of odd mass superdeformed nuclei NUCLEAR STRUCTURE 191,193Hg, 193Tl; calculated γ-ray transition energies, super deformed bands, cross-talk transition energies, staggering functions.
doi: 10.1142/S0218301317500112
2016KH08 Chin.J.Phys.(Taiwan) 54, 329 (2016) A.M.Khalaf, M.M.Sirag, K.E.Abdelmageed Properties of superdeformed bands in A ∼ 190 region within the framework of three parameters nuclear softness model NUCLEAR STRUCTURE 191,192,194Hg, 193,194Tl, 194Pb; calculated energy levels, J, π, bandhead energies, moments of inertia, stagerring parameters. Comparison with available data.
doi: 10.1016/j.cjph.2016.03.018
2011AH03 Radiochim.Acta 99, 317 (2011) A.M.Ahmed, H.E.Hassan, K.F.Hassan, A.M.Khalaf, Z.A.Saleh Cross sections for the formation of radioiodines in proton bombardment of natural tellerium with particular reference to the validation of data for the production of 123I NUCLEAR REACTIONS Te(p, X)120I/121I/123I/124I/125I/126I/128I/130I, E<14.5 MeV; measured Eγ, Iγ; deduced σ. Comparison with experimental data, ALICE-IPPE model code calculations.
doi: 10.1524/ract.2011.1845
1986KH09 Indian J.Pure Appl.Phys. 24, 469 (1986) High-Spin Properties in Deformed Nuclei using Weak Coupling Model NUCLEAR STRUCTURE 157Dy, 179W; calculated levels, transition energies. Weak coupling model.
1986KH10 Indian J.Pure Appl.Phys. 24, 530 (1986) Nuclear Backbending and Evidence for Particle Core coupling in Even-Even Nuclei NUCLEAR STRUCTURE 158,164Er, 166Yb, 168Hf, 170W, 186Os; calculated yrast state moments of inertia. Particle-core coupling.
Back to query form |