NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = J.U.Nabi Found 49 matches. 2024CA04 Eur.Phys.J. A 60, (2024) N.Cakmak, J.-U.Nabi, A.Mehmood, A.Ullah, R.Tahir Allowed and forbidden β-decay log ft values of neutron-rich Pb and Bi isotopes RADIOACTIVITY 210,211,212,213,214,215Pb, 210,211,212,213,214,215Bi(β-); calculated β-decay log ft values using the proton-neutron quasiparticle random phase approximation (pn-QRPA) model. Comparison with experimental data.
doi: 10.1140/epja/s10050-024-01298-3
2024FA03 Chin.Phys.C 48, 034107 (2024) F.Farooq, J.-U.Nabi, R.Shehzadi Impact of the Brink-Axel hypothesis on unique first-forbidden β-transitions for r-process nuclei NUCLEAR STRUCTURE Z=27-82; calculated electron capture and β-decay rates using two different prescriptions for strength functions, one was based on invoking the Brink-Axel (BA) hypothesis and the other was the state-by-state calculation of strength functions, under stellar density and temperature conditions using the deformed proton-neutron quasiparticle random-phase approximation (pn-QRPA) model with a simple plus quadrupole separable and schematic interaction.
doi: 10.1088/1674-1137/ad1925
2024IR01 Chin.Phys.C 48, 045103 (2024) B.F.Irgaziev, A.Kabir, J.-U.Nabi Radiative capture of proton through the 14N(p, γ)15O reaction at low energy NUCLEAR REACTIONS 14N(p, γ), E(cm)<1 MeV>; calculated partial components of the astrophysical S-factor for all possible electric and magnetic dipole transitions with a potential model to describe both non-resonant and resonant reactions in the channels where radiative capture occurs through electric transitions and R-matrix method. Comparison with available data.
doi: 10.1088/1674-1137/ad1b3c
2023SA09 Europhys.Lett. 141, 54003 (2023) S.Sabeeh, M.Jawad, A.Kabir, J.-U.Nabi Re-examination of radiative capture of deuteron 3He(d, γ)5Li at low energy NUCLEAR REACTIONS 3He(d, γ), E(cm)<1 MeV; analyzed available data; deduced σ, S-factors, astrophysical reaction rates.
doi: 10.1209/0295-5075/acbf6f
2022IR01 Nucl.Phys. A1021, 122422 (2022) B.F.Irgaziev, A.Kabir, J.-U.Nabi Application of ANCs for calculation of β+ decay of 17F nucleus NUCLEAR STRUCTURE 17F, 17O; calculated values of the proton spectroscopic factor for 17F and the neutron one for 17O; deduced that these mirror nuclei have a pronounced single-particle structure.
doi: 10.1016/j.nuclphysa.2022.122422
2022KA16 J.Phys.(London) G49, 075101 (2022) A.Kabir, B.F.Irgaziev, J.-U.Nabi, S.Sagheer Re-analysis of radiative capture 11C(p, γ)12N at low energy NUCLEAR REACTIONS 11C(p, γ), E(cm)<0.8 MeV; analyzed available data; calculated S-factor within the framework of the modified potential model.
doi: 10.1088/1361-6471/ac6362
2022KA34 Europhys.Lett. 139, 64003 (2022) A.Kabir, M.Khalid, N.Abbas Naqvi, J.-U.Nabi Magnetic dipole transitions in 9Be(p, γ)10B NUCLEAR REACTIONS 9Be(p, γ), E(cm)<1 MeV; analyzed available data; calculated energy levels, S-factor by employing the potential model (PM) for the magnetic transitions.
doi: 10.1209/0295-5075/ac907b
2022NA17 J.Phys.(London) G49, 065201 (2022) J.-U.Nabi, M.Nayab, C.W.Johnson How effective is the Brink-Axel hypothesis for astrophysical weak rates? RADIOACTIVITY 31,32Si, 27Mg(β-), 34Ar, 27S, 30Cl(EC); calculated stellar rates using the Brink-Axel hypothesis (BAH).
doi: 10.1088/1361-6471/ac58b1
2022NA29 Can.J.Phys. 100, 329 (2022) J.-U.Nabi, A.Ullah, A.Kabir, A.Muneem, M.Boyukata Investigation of Gamow-Teller strength of 186Hg within deformed pn-QRPA RADIOACTIVITY 186Hg(EC); analyzed available data; calculated impact of nuclear deformation on the energy distribution of the GT strength within the framework of proton-neutron quasiparticle random phase approximation (pn-QRPA) based on the deformed Nilsson potential.
doi: 10.1139/cjp-2021-0415
2022NA41 Phys.Scr. 97, 125302 (2022) Investigation of β-decay properties of neutron-rich Cerium isotopes RADIOACTIVITY 120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137Ce(β+), 138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157Ce(β-); calculated centroid and total Gamow-Teller (GT) strength values of the GT strength within the proton-neutron quasiparticle random phase approximation (pn-QRPA) approach. Comparison with available data.
doi: 10.1088/1402-4896/ac9be7
2022SH51 Phys.Scr. 97, 115301 (2022) R.Shehzadi, J.-U.Nabi, F.Farooq Half-life prediction of some neutron-rich exotic nuclei prior to peak A = 130 RADIOACTIVITY 97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112Rb, 98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113Sr, 101,102,103,104,105,106,107,108,109,110,111,112,113,114Y, 104,105,106,107,108,109,110,111,112,113,114,115Zr(β-); calculated T1/2 with a simple proton-neutron quasi particle random phase approximation (p-n-QRPA) model. Comparison with available data.
doi: 10.1088/1402-4896/ac95df
2022UL01 Nucl.Phys. A1027, 122513 (2022) Impact of Coulomb correction factor on rate of change of lepton fraction during presupernova evolution
doi: 10.1016/j.nuclphysa.2022.122513
2022UL02 Phys.Scr. 97, 105305 (2022) Electron capture and β-decay rates for nuclei with A = 65-80 RADIOACTIVITY 66,67,68,69Cu, 71Cu, 77,78,79Ge, 73,75,77Ga, 67Ni(EC), 67,68Ni, 69,70,71Cu, 66,67,68Co, 75,77Ga(β-); calculated electron capture and β-decay rates using the proton-neutron quasiparticle random phase approximation model (pn-QRPA). Comparison with available data.
doi: 10.1088/1402-4896/ac8dcb
2021FA11 Phys.Scr. 96, 125312 (2021) F.Farooq, J.-U.Nabi, R.Shehzadi β-Decay properties of neutron-rich yttrium isotopes RADIOACTIVITY 101,102,103,104,105,106,107,108Y(β-); calculated T1/2 using p-n-QRPA. Comparison with available data.
doi: 10.1088/1402-4896/ac30a9
2021IR01 Can.J.Phys. 99, 176 (2021) B.F.Irgaziev, J.-U.Nabi, A.Kabir Analysis of β+ decay of 13N nucleus using a modified one-particle approach RADIOACTIVITY 13N(β+); analyzed available data on phase shifts, asymptotic normalization coefficients (ANCs) and spectroscopic factors; calculated wave functions, log ft, T1/2.
doi: 10.1139/cjp-2020-0155
2021KA04 Phys.Scr. 96, 015305 (2021) Re-examination of proton capture 13N(p, γ)14O in stellar matter NUCLEAR REACTIONS 13N(p, γ), E<1 MeV; analyzed available data; calculated nuclear reaction rates and astrophysical S-factor.
doi: 10.1088/1402-4896/abcce0
2021KA06 Nucl.Phys. A1007, 122118 (2021) Re-examination of astrophysical S-factor of proton capture in stellar matter NUCLEAR REACTIONS 9Be(p, γ), E(cm)<0.6 MeV; analyzed available data; deduced S-factors, astrophysical reaction rates. Comparison with available data.
doi: 10.1016/j.nuclphysa.2020.122118
2021NA22 Nucl.Phys. A1015, 122278 (2021) J.U.Nabi, T.Bayram, G.Daraz, A.Kabir, S.Senturk The nuclear ground-state properties and stellar electron emission rates of 76Fe, 78Ni, 80Zn, 126Ru, 128Pd and 130Cd using RMF and pn-QRPA models NUCLEAR STRUCTURE 76Fe, 78Ni, 80Zn, 126Ru, 128Pd, 130Cd; calculated nuclear ground state properties and weak transition rates using Relativistic Mean Field (RMF) model.
doi: 10.1016/j.nuclphysa.2021.122278
2021NA29 Phys.Scr. 96, 115303 (2021) J.-U.Nabi, N.Cakmak, A.Ullah, A.U.Khan β-decay of N = 126 isotones for the r-process nucleosynthesis RADIOACTIVITY 190Gd, 191Tb, 192Dy, 193Ho, 194Er, 195Tm, 196Yb, 197Lu, 198Hf, 199Ta, 200W, 201Re, 202Os, 203Ir, 204Pt, 205Au, 206Hg(β-), (β-n); calculated decay rates, T1/2, β-delayed neutron emission probabilities, phase space. Comparison with available data.
doi: 10.1088/1402-4896/ac13e4
2020NA28 Nucl.Phys. A1002, 121985 (2020) J.-U.Nabi, M.Boyukata, A.Ullah, M.Riaz Nuclear structure properties of even-even chromium isotopes and the effect of deformation on calculated electron capture cross sections NUCLEAR REACTIONS 46,48,50,52,54,56,58,60,62,64,66Cr(E, X), E not given; calculated electron capture σ. NUCLEAR STRUCTURE 46,48,50,52,54,56,58,60,62,64,66Cr; calculated energy levels, J, π, B(E2), B(GT), deformation parameters.
doi: 10.1016/j.nuclphysa.2020.121985
2020NA41 Universe 6, 5 (2020) J.-U.Nabi, M.Ishfaq, O.Nitescu, M.Mirea, S.Stoica β-Decay Half-Lives of Even-Even Nuclei Using the Recently Introduced Phase Space Recipe
doi: 10.3390/universe6010005
2019NA19 Acta Phys.Pol. B50, 1523 (2019) J.-U.Nabi, A.Ullah, S.A.A.Shah, G.Daraz, M.Ahmad β-decay Properties of Waiting-point Nuclei for Astrophysical Applications
doi: 10.5506/aphyspolb.50.1523
2019NA35 J.Phys.(London) G46, 085201 (2019) Electron capture cross sections and nuclear partition functions for fp-shell nuclei NUCLEAR STRUCTURE 45,46Sc, 40,41Ti, 44,45,51V, 42,43Cr, 54,55,56,58Fe, 56,57,58Mn, 59Co, 56,57Zn, 62,63Ga, 59,60Ge, 65,66As, 65,66Se, 69,70Br, 69,70Kr, 74,75Rb, 73,74Sr, 78,79Y, 80,81Zr, 82,83Nb, 83,84Mo, 86,87Tc; calculated pairing gaps, B(GT), nuclear partition functions, electron capture σ. Comparison with available data.
doi: 10.1088/1361-6471/ab2347
2018CA03 Nucl.Phys. A970, 86 (2018) S.Cakmak, J.-U.Nabi, T.Babacan Investigation of Gamow Teller transition properties in 56-64Ni isotopes using QRPA methods RADIOACTIVITY 56,57,58,59,60,61,62,63,64Ni(β+), (EC); calculated β-decay GT strength distribution B(GT), centroid energy, width using four different QRPA models. Compared with published model calculations and available data.
doi: 10.1016/j.nuclphysa.2017.11.006
2018MA20 Int.J.Mod.Phys. E27, 1850019 (2018) Study of Gamow-Teller strength and associated weak-rates on odd-A nuclei in stellar matter RADIOACTIVITY 45Sc, 55Mn(EC), (p); calculated Gamow-Teller strengths, decay constants. Comparison with available data.
doi: 10.1142/S0218301318500192
2018NA18 Acta Phys.Pol. B49, 1531 (2018) Ground-state Nuclear Properties of Neutron-rich Copper Isotopes and Lepton Capture Rates in Stellar Matter NUCLEAR STRUCTURE 71,72,73,74,75,76,77,78,79,80,81,82Cu; calculated potential energy curves, binding energy per nucleon, deformation parameters, total quadrupole moments, T1/2, radii, electron- and positron-capture rates. The density-dependent relativistic mean field (RMF) model.
doi: 10.5506/aphyspolb.49.1531
2017NA01 Nucl.Phys. A957, 1 (2017) J.-U.Nabi, N.Cakmak, M.Majid, C.Selam Unique first-forbidden β-decay transitions in odd-odd and even-even heavy nuclei RADIOACTIVITY 82,84,86Br, 84,86,88Rb, 90,92Sr, 90,92,94Y, 102Rh, 122Sb, 136I, 140Ba, 142Pr, 198,204Au, 204Tl(β-);72As, 84Rb, 88Kr, 102Rh, 120,124,126I, 122Sb, 132La, 198Tl(β+), (EC); calculated first-forbidden β-decay Gamow-Teller transitions ft, strength distribution and unique first-forbidden transitions for selected nuclei using pn-QRPA. Compared to data.
doi: 10.1016/j.nuclphysa.2016.07.003
2017NA03 Int.J.Mod.Phys. E26, 1750005 (2017) Gamow-Teller strength and lepton captures rates on 66-71Ni in stellar matter RADIOACTIVITY 66,67,68,69,70,71Ni(EC), (β+); calculated decay constants, T1/2. Comparison with available data.
doi: 10.1142/S0218301317500057
2017NA20 Nucl.Phys. A966, 1 (2017) J.-U.Nabi, M.Ishfaq, M.Boyukata, M.Riaz Nuclear structure properties and stellar weak rates for 76Se: Unblocking of the Gamow Teller strength NUCLEAR STRUCTURE 76Se; calculated levels, J, π, transition probability B(GT), B(E2), ft values, deformation, using pn-QRPA and IBM models; deduced IBM-1 model Hamiltonian parameters by fitting to 17 levels (gs band, γ and β bands) to data. NUCLEAR REACTIONS 76Se(e, x), E=2-30 MeV; calculated electron capture σ using pn-QRPA as a function of temperature, EC rates vs temperature and EC rates vs density at T=10 GK. RADIOACTIVITY 76As(β-)[from 76Se decay]; calculated β-delayed neutron emission probability, β-delayed neutron energy rate using IBM-1 model in two versions.
doi: 10.1016/j.nuclphysa.2017.05.091
2017OR03 Phys.Rev. C 96, 025809 (2017) Yu.V.Orlov, B.F.Irgaziev, J.-U.Nabi Algorithm for calculations of asymptotic nuclear coefficients using phase-shift data for charged-particle scattering NUCLEAR REACTIONS 12C(α, α)16O*, E<5 MeV; 4He(3He, 3He)7Be*, E<5 MeV; analyzed elastic phase-shift data with binding energies used as input; deduced asymptotic normalization coefficients (ANC), nuclear vertex constants, and scattering amplitude residues using effective-range expansion (ERE) theory (Delta-method), valid for large charges. Relevance to element creation in supernova explosions, and in the theory using Feynman diagrams to describe the amplitude of the direct nuclear reactions.
doi: 10.1103/PhysRevC.96.025809
2016NA03 Eur.Phys.J. A 52, 5 (2016) J.-U.Nabi, N.Cakmak, Z.Iftikhar First-forbidden β-decay rates, energy rates of β-delayed neutrons and probability of β-delayed neutron emissions for neutron-rich nickel isotopes RADIOACTIVITY 72,74,76,78Ni(β-); calculated allowed GT and unique first-forbidden transition strengths, β--decay rates using pn-QRPA model for deformed and spherical cases of 72Ni.
doi: 10.1140/epja/i2016-16005-6
2016NA04 Nucl.Phys. A947, 182 (2016) β-Decay half-lives and nuclear structure of exotic proton-rich waiting point nuclei under rp-process conditions NUCLEAR STRUCTURE 60Zn, 64Ge, 68Se, 72Kr, 76Sr; calculated deformation using IBM-1, gs rotational bands levels, J, π, B(E2), β-decay GT+ strength distribution, T1/2 using Skyrme Hartree-Fock plus BCS plus pn-QRPA; deduced IBM-1 Hamiltonian parameters, weak interaction (β+, EC) rates dependence on temperature and nuclear density. Deformations compared with published relativistic mean-field results, β-decay GT strength distributions and T1/2 compared with other calculations and data.
doi: 10.1016/j.nuclphysa.2016.01.003
2013IR01 Phys.Rev. C 87, 035804 (2013) B.F.Irgaziev, V.B.Belyaev, J.-U.Nabi Three-body calculation of the rate of the reaction p+p+e → d+νe in the Sun NUCLEAR REACTIONS 1H(p, ν), E<20 keV; calculated reaction rate and astrophysical S factor for p+p+e- to d+νe reaction in sun using expansion of three-body wave function of p+e-+p system in the initial state on hyperharmonic functions. Comparison with experimental data, and previous calculations.
doi: 10.1103/PhysRevC.87.035804
2012NA14 Eur.Phys.J. A 48, 84 (2012) Nickel isotopes in stellar matter NUCLEAR STRUCTURE 57,58,59,60,61,62,63,64,65Ni; calculated β-decay GT strengths using pn-QRPA, T1/2, EC and positron decay rates vs temperature and density.
doi: 10.1140/epja/i2012-12084-7
2011IR02 Phys.Rev. C 84, 065809 (2011) B.F.Irgaziev, J.-U.Nabi, D.Khan Coulomb breakup of 6Li into α + d in the field of a 208Pb ion NUCLEAR REACTIONS 208Pb(6Li, dα), E=156 MeV; calculated astrophysical S factor, asymptotic normalization coefficient (ANC), triple differential σ(θ), nuclear distortion contribution using semiclassical and diffraction models with two-body approach and Woods-Saxon potential. Comparison with experimental data.
doi: 10.1103/PhysRevC.84.065809
2011NA17 Int.J.Mod.Phys. E20, 705 (2011) β-decay of key titanium isotopes in stellar environment RADIOACTIVITY 51,52,53,54,55,56Ti(β-); calculated β-decay rates for selected densities and stellar temperatures. Proton-neutron quasiparticle random phase approximation (pn-QRPA) theory.
doi: 10.1142/S0218301311018174
2009NA25 Eur.Phys.J. A 40, 223 (2009) Weak-interaction-mediated rates on iron isotopes for presupernova evolution of massive stars RADIOACTIVITY 54,55,56Fe(EC), (β-), (β+); calculated GT strength distributions, β-decay and EC rates using the pn-QRPA formalism. Comparison with a large-scale shell model and experimental data.
doi: 10.1140/epja/i2009-10747-6
2008NA02 Acta Phys.Pol. B39, 651 (2008) J.-U.Nabi, M.-U.Rahman, M.Sajjad Gamow-Teller (GT±) Strength Distributions of 56Ni for Ground and Excited States NUCLEAR STRUCTURE 56Ni, 56Co, 56Cu; calculated GT strength distributions using the pn-QRPA model.
2008NA11 Phys.Rev. C 77, 055802 (2008) Neutrino energy loss rates and positron capture rates on 55Co for presupernova and supernova physics RADIOACTIVITY 55Co(β-); calculated neutrino energy loss rates, stellar positron capture rates, half-lives, energy of excited states, B(GT) for supernovas. Proton-neutron quasiparticle random phase approximation (pn-QRPA). Large-scale shell-model calculations. Comparisons with experimental data.
doi: 10.1103/PhysRevC.77.055802
2008NA15 Can.J.Phys. 86, 819 (2008) Expanded calculations of proton-neutron quasi-particle random phase approximation (pn-QRPA) electron capture rates on 55Co for presupernova and supernova physics RADIOACTIVITY 55Co(EC); calculated GT strength distributions and capture rates using the pn-QRPA formalism.
doi: 10.1139/P08-014
2008NA20 Phys.Scr. 78, 035201 (2008) Detailed microscopic calculation of stellar electron and positron capture rates on 24Mg for O+Ne+Mg core simulations NUCLEAR STRUCTURE 24Mg; calculated positron capture rates and Gamow-Teller strength distributions using the pn-QRPA formalism.
doi: 10.1088/0031-8949/78/03/035201
2008NA23 Phys.Rev. C 78, 045801 (2008) Stellar neutrino energy loss rates due to 24Mg suitable for O+Ne+Mg core simulations
doi: 10.1103/PhysRevC.78.045801
2007NA06 Phys.Rev. C 75, 035803 (2007) Gamow-Teller transitions from 24Mg and their impact on the electron capture rates in the O+Ne+Mg cores of stars NUCLEAR STRUCTURE 24Mg; calculated B(GT), electron capture rates. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.75.035803
2007NA28 Phys.Rev. C 76, 055803 (2007) Comparative study of Gamow-Teller strength distributions in the odd-odd nucleus 50V and its impact on electron capture rates in astrophysical environments RADIOACTIVITY 67,68,69Ni, 69,70,71,72,73,74,75Cu, 74,75,76,77,78,79,80Zn, 75,76,77,78,79,80,81,82,83Ga, 76,77,78,79,80,81,82,83,84,85,86,87As, 85,86,87,88,89,90,91Se, 86,87,88,89,90,91,92Br, 112,113,114,115,116,117,118Pd, 115,116,117,118,119,120,121,122,123,124Ag, 120,121,122,123,124,125,126,127,128,129,130Cd, 116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133In, 138,139,140,141,142,143,144,145,146,147,148Cs, 140,141,142,143,144,145,146,147,148Ba, 144,145,146,147,148,149La(β-); calculated half-lives using QRPA model and compared to measured values. 50V (EC); calculated Gamow-Teller strengths, log ft, electron capture rates. Compared to measured values, QRPA model used. NUCLEAR REACTIONS 50V(d, 2He), E not given; calculated Gamow-Teller strengths and compared to measured values using QRPA model.
doi: 10.1103/PhysRevC.76.055803
2007NA38 Braz.J.Phys. 37, 1238 (2007) J.-U.Nabi, M.-U.Rahman, M.Sajjad Electron and Positron Capture Rates on 55Co in Stellar Matter RADIOACTIVITY 55Co(EC); calculated B(GT) values to low-lying states using the pn-QRPA model. Compared results to shell model calculations.
2005NA12 Phys.Lett. B 612, 190 (2005) Gamow-Teller strength distributions and electron capture rates for 55Co and 56Ni NUCLEAR STRUCTURE 55Co, 56Ni; calculated Gamow-Teller strength distributions, electron capture rates in stellar environment. Proton-neutron quasiparticle RPA.
doi: 10.1016/j.physletb.2005.02.059
2004NA43 At.Data Nucl.Data Tables 88, 237 (2004) J.-U.Nabi, H.V.Klapdor-Kleingrothaus Microscopic calculations of stellar weak interaction rates and energy losses for fp- and fpg-shell nuclei NUCLEAR STRUCTURE A=40-100; calculated stellar weak interaction rates.
doi: 10.1016/j.adt.2004.09.002
1999NA11 At.Data Nucl.Data Tables 71, 149 (1999) J.-U.Nabi, H.V.Klapdor-Kleingrothaus Weak Interaction Rates of sd-Shell Nuclei in Stellar Environments Calculated in the Proton-Neutron Quasiparticle Random-Phase Approximation NUCLEAR STRUCTURE Z=10-20; calculated weak interaction rates in stellar environments.
doi: 10.1006/adnd.1998.0801
1999NA26 Eur.Phys.J. A 5, 337 (1999) J.-U.Nabi, H.V.Klapdor-Kleingrothaus Microscopic Calculations of Weak Interaction Rates of Nuclei in Stellar Environment for A = 18 to 100 NUCLEAR STRUCTURE 56,58,59Ni, 54,55,56Fe, 55,56,57,58,59,60Co, 53,54,56Mn; A=18-100; calculated electron capture rates in stellar environment. 56,58,59,60,61Fe, 54Cr, 52Ti, 58,60,61,63Co, 54,56,59Mn, 50Sc; A=18-100; calculated β-decay rates in stellar environment. Proton-neutron quasiparticle RPA with separable Gamow-Teller forces.
doi: 10.1007/s100500050292
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