NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = E.Khan Found 121 matches. Showing 1 to 100. [Next]2023GU18 Phys.Rev. C 108, 035810 (2023) H.Guven, J.Margueron, K.Bozkurt, E.Khan Characteristics of compact stars determined by gravitational waves, radio-astronomy, x-ray emission, and nuclear physics
doi: 10.1103/PhysRevC.108.035810
2023ME04 Phys.Rev. C 107, 034309 (2023) Covariant energy density functionals with and without tensor couplings at the Hartree-Bogoliubov level NUCLEAR STRUCTURE Z=4-98, N=4-150; calculated binding energy, rms radii, spin-orbit splitting, tensor energy per nucleon. 20Ne, 120Sn, 238U; calculated one-dimensional potential energy surface. 34Si, 20Ne; calculated total density, proton and neutron densities. Relativistic Hartree-Bogoliubov (RHB) approach with tensor terms in the vector-isoscalar channel. Free parameters of covariant functionals optimized by combining Markov-chain Monte Carlo and simplex algorithms. Comparison with experimental values.
doi: 10.1103/PhysRevC.107.034309
2023ZH13 Phys.Rev. C 107, 034311 (2023) J.Zhao, J.-P.Ebran, L.Heitz, E.Khan, F.Mercier, T.Niksic, D.Vretenar Microscopic description of α, 2α, and cluster decays of 216-220Rn and 220-224Ra RADIOACTIVITY 212Po, 216,218,220Rn, 220,222,224Ra(α), (2α); 222,224Ra(12C); calculated T1/2, branching ratios. Relativistic Hartree-Bogoliubov model with the DD-PC1 functional and a separable pairing force. Comparison to experimental data. NUCLEAR STRUCTURE 212Po, 216,218,220Rn, 220,222,224Ra; calculated deformation-energy surfaces (quadrupole, octupole and hexadecupole).
doi: 10.1103/PhysRevC.107.034311
2022GR10 Phys.Rev. C 106, 044305 (2022) G.Grams, R.Somasundaram, J.Margueron, E.Khan Nuclear incompressibility and speed of sound in uniform matter and finite nuclei NUCLEAR STRUCTURE 98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162Sn, 174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260Pb, 90,92,94Zr; calculated surface tension, incompressibility, contributions from the surface and Coulomb terms to the incompressibility, speed of sound in finite nuclei matter. 100,106,114,120Sn, 180,200,208Pb; binding energies, isoscalar giant monopole resonance energy (ISGMR). Compressible liquid-drop model extended with a density-dependent surface term. Bayesian approach coupled to a Markov-Chain Monte Carlo exploration of the parameter space to confront the model predictions. Comparison to experimental results, EDF calculations and AME2020 data.
doi: 10.1103/PhysRevC.106.044305
2022KH01 Phys.Rev. C 105, 014306 (2022) Derivation of the Mn/Mp ratio in exotic nuclei NUCLEAR STRUCTURE 14,16,18,19,21,22,24,26,27,29O, 29,32,35,38,42,45,48,50,54,58S, 32,36,40,42,46,50,54,58,60,62Ar; calculated (Mn/Mp)/(N/Z) ratios with the parametrizations of radii and diffuseness. and with the original Bernstein formula. 18,20,22O, 30,32,34,36,38,40S, 34,36,40,42,44Ar; calculated (Mn/Mp)/(N/Z) ratios with the original Bernstein formula, the generalized one, and the microscopic analysis. Generalized formula to calculate Mn/Mp ratios of the multipole transition matrix elements, in the framework of phenomenological analysis.
doi: 10.1103/PhysRevC.105.014306
2022KH10 Phys.Rev. C 106, 064330 (2022) E.Khan, L.Heitz, F.Mercier, J.-P.Ebran α-particle formation and clustering in nuclei NUCLEAR STRUCTURE 4He, 8Be, 16O, 20Ne; calculated microscopic densities, nucleonic localization function. Calculations utilizing calculated with the covariant DD-ME2 and Skyrme energy density functional. Quantified the criteria defining α-cluster in nuclei. RADIOACTIVITY 212Po(α); calculated density and nucleonic localization function during α-decay.
doi: 10.1103/PhysRevC.106.064330
2022ME06 Phys.Rev. C 105, 034343 (2022) Low-energy monopole strength in spherical and axially deformed nuclei: Cluster and soft modes NUCLEAR STRUCTURE 40,42,44,46,48,50,52,54,56,58,60,62Ca, 46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86Ni, 24,26,28,30,32,34,36Mg; calculated isoscalar monopole strength distribution, single-particle spectrum, transition densities, soft mode and cluster exciations contribution to the total strength. 20Ne; calculated ground-state density, localization function, transition densities. Studied the evolution of monopole strength with pairing energy, deformation, neutron excess. Covariant QRPA calculations, formulated within the finite amplitude method, on top of constrained relativistic Hartree-Bogoliubov (RHB) reference states.
doi: 10.1103/PhysRevC.105.034343
2022YU07 Phys.Rev. C 106, 054309 (2022) E.Yuksel, F.Mercier, J.-P.Ebran, E.Khan Clustering in nuclei at finite temperature NUCLEAR STRUCTURE 20,32Ne; calculated deformation parameter, pairing gap, entropy, total intrinsic density and excitation energy as a function of temperature, proton, neutron and α localization densities, proton and nuetron isoscalar and isovector densities. Finite temperature relativistic Hartree-Bogoliubov (FT-RHB) method with the relativistic density-dependent meson-nucleon coupling functional DD-ME2.
doi: 10.1103/PhysRevC.106.054309
2021EB01 J.Phys.(London) G48, 025106 (2021) J.-P.Ebran, E.Khan, R.-D.Lasseri Nucleonic localisation and alpha radioactivity RADIOACTIVITY 186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218Po, 194,196,198,200,202,204,206,208,210,212,214,216,218,220,222Rn, 202,204,206,208,210,212,214,216,218,220,222,224,226Ra, 104Te(α); calculated T1/2. Comparison with available data.
doi: 10.1088/1361-6471/abcf25
2021GU29 Phys.Rev. C 104, 064306 (2021) H.Guven, K.Bozkurt, E.Khan, J.Margueron Ground state properties of charmed hypernuclei within a mean field approach NUCLEAR STRUCTURE 5Li, 17F, 41S, 57Cu, 133Sb, 209Bi; calculated binding energy per baryon for hypernuclei with respect to one of the nucleus without the charmed baryon, and separation energies of Λc hyperons, Fermi energies of neutrons and protons for hypernuclei, contributions of the kinetic energies, interaction and the Coulomb potentials on the Λc separation energies, Λc density distributions, Λc (Λ) single particle energy spectra. Hartree-Fock approach by using three different force sets (NSC89, NSC97a, NSC97f) derived from microscopic Brueckner-Hartree-Fock calculations of hypernuclei. Comparison with available experimental data.
doi: 10.1103/PhysRevC.104.064306
2021ME03 Phys.Rev. C 103, 024303 (2021) F.Mercier, A.Bjelcic, T.Niksic, J.-P.Ebran, E.Khan, D.Vretenar Low-energy cluster modes in N=Z nuclei NUCLEAR STRUCTURE 20Ne; calculated self-consistent equilibrium density contour, monopole strength function, QFAM response to strength functions for the isoscalar monopole (Kπ=0+ and 0-), isoscalar dipole (Kπ=1+ and 1-), isoscalar quadrupole (Kπ=2+ and 2-) and isoscalar octupole (Kπ=3-) operators, centroids of the monopole strength function, density and localization function contours induced by monopole and octupole perturbations, neutron 2-qp contributions to the isoscalar monopole excitation as function of β2. 24Mg, 28Si, 32S; calculated low-energy isoscalar monopole strength distributions, QFAM response, neutron 2-qp contributions to the low-energy monopole modes. Finite amplitude method (FAM) based on the microscopic framework of relativistic nuclear energy density functionals with DD-PC1 parametrization for α-conjugate or α-cluster nuclei.
doi: 10.1103/PhysRevC.103.024303
2021ME16 Phys.Rev.Lett. 127, 012501 (2021) F.Mercier, J.Zhao, J.-P.Ebran, E.Khan, T.Niksic, D.Vretenar Microscopic Description of 2α Decay in 212Po and 224Ra Isotopes RADIOACTIVITY 212Po, 224Ra(2α), (α); calculated axially symmetric deformation energy surfaces as functions of quadrupole, octupole, and hexadecapole collective coordinates. Self-consistent framework based on energy density functionals.
doi: 10.1103/PhysRevLett.127.012501
2021XU04 Phys.Rev. C 104, 044301 (2021) Systematical studies of the E1 photon strength functions combining the Skyrme-Hartree-Fock-Bogoliubov plus quasiparticle random-phase approximation model and experimental giant dipole resonance properties NUCLEAR STRUCTURE 70,72,74Ge, 80,82Se, 89Y, 90,91,92,94Zr, 93Nb, 96,100Mo, 103Rh, 107Ag, 115In, 119,120,124Sn, 124,126,128Te, 127I, 128,134Xe, 133Ce, 138Ba, 140Ce, 141Pr, 143,145,146Nd, 144,150Sm, 165Ho, 181Ta, 188Os, 197Au, 206,208Pb, 209Bi, 239Pu; calculated E1 photon strength function using BSk27+QRPA, and compared with extracted strength from experimental photoabsorption cross sections. A=70-190; calculated parameters of giant-dipole resonances (GDR) using BSk27+QRPA, and compared with compiled in the RIPL-3 database. A=25-250; calculated E1 strength functions and compared with compiled data in RIPL3 for 60 nuclei from 25Mg to 239U, and comparison between ARC E1 strength function for 25 nuclei from 96Mo to 240Pu. 115,120,125,130,135,140,145,150,155Sn; calculated E1 photon strength functions from empirical Lorentzian model SMLO, D1M+QRPA, BSk7+QRPA, and the present BSk27+QRPA. 115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155Sn; calculated neutron capture reaction rates at the temperature of T9=1 using present BSk27+QRPA model and compared with those from BSk7+QRPA, D1M+QRPA, SMLO. Z=1-110, N=0-255; calculated neutron capture reaction rates at T9=1 present BSk27+QRPA model and compared with those from previous D1M+QRPA model. 43,44Sc, 44,45Ti; calculated temperature-dependent E1 strength functions using present BSk27+QRPA, and compared with shell-model calculationsSystematic investigation of E1 photon strength functions for about 10, 000 nuclei with Z=8-124 lying between the proton and neutron drip lines by combining simultaneously microscopic Hartree-Fock-Bogoliubov plus quasiparticle random-phase approximation (HFB+QRPA) model and the constraints from available experimental results for photon strength functions from giant dipole resonance (GDR) data, and other types of experiments. Relevance to future measurement of the photonuclear excitation using the Extreme Light Infrastructure (ELI-NP) facilities, and to improve study of r and p nucleosynthesis processes.
doi: 10.1103/PhysRevC.104.044301
2020BA61 Eur.Phys.J. A 56, 290 (2020) S.Bagchi, H.Akimune, J.Gibelin, M.N.Harakeh, N.Kalantar-Nayestanaki, N.L.Achouri, B.Bastin, K.Boretzky, H.Bouzomita, M.Caamano, L.Caceres, S.Damoy, F.Delaunay, B.Fernandez-Dominguez, M.Fujiwara, U.Garg, G.F.Grinyer, O.Kamalou, E.Khan, A.Krasznahorkay, G.Lhoutellier, J.F.Libin, S.Lukyanov, K.Mazurek, M.A.Najafi, J.Pancin, Y.Penionzhkevich, L.Perrot, R.Raabe, C.Rigollet, T.Roger, S.Sambi, H.Savajols, M.Senoville, C.Stodel, L.Suen, J.C.Thomas, M.Vandebrouck, J.Van de Walle Signature of a possible α-cluster state in N = Z doubly-magic 56Ni NUCLEAR REACTIONS 4He(56Ni, α), E=50 MeV/nucleon; measured reaction products, Eα, Iα. 56Ni; deduced average multiplicities, α-cluster resonance state. Comparison with theoretical calculations. MAYA setup, GANIL.
doi: 10.1140/epja/s10050-020-00294-7
2020EB01 Phys.Rev. C 102, 014305 (2020) J.-P.Ebran, M.Girod, E.Khan, R.D.Lasseri, P.Schuck α-particle condensation: A nuclear quantum phase transition NUCLEAR STRUCTURE 16O; calculated binding energy as a function of deformation parameters β20, β30, β32, nucleon radial density for rms radii, neutron single particle levels, single-nucleon occupation numbers, Mott-like transition towards α-clusterized states using microscopic energy density functional (EDF) theory with the relativistic and the Gogny approaches. Discussed phase transition in nucleon density from Fermi gas to tetrahedral α-clustered configuration at critical density.
doi: 10.1103/PhysRevC.102.014305
2020GU14 Phys.Rev. C 102, 015805 (2020) H.Guven, K.Bozkurt, E.Khan, J.Margueron Multimessenger and multiphysics Bayesian inference for the GW170817 binary neutron star merger
doi: 10.1103/PhysRevC.102.015805
2020JO06 Phys.Rev. C 102, 024321 (2020) S.Jongile, A.Lemasson, O.Sorlin, M.Wiedeking, P.Papka, D.Bazin, C.Borcea, R.Borcea, A.Gade, H.Iwasaki, E.Khan, A.Lepailleur, A.Mutschler, F.Nowacki, F.Recchia, T.Roger, F.Rotaru, M.Stanoiu, S.R.Stroberg, J.A.Tostevin, M.Vandebrouck, D.Weisshaar, K.Wimmer Structure of 33Si and the magicity of the N=20 gap at Z=14 NUCLEAR REACTIONS 9Be(34Si, 33Si), E=98.5 MeV/nucleon, [34Si secondary beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction, followed by separation of fragments using the A1900 fragment separator at the NSCL-MSU facility]; measured reaction residues using the S800 spectrograph, Eγ, Iγ, (33Si)γ-coin using the GRETINA array for γ detection, momentum distributions. 33Si; deduced levels, J, π, L-transfers in one-nucleon knockout reactions, population fractions, partial cross sections of final states, spectroscopic factors. Comparison with shell-model calculations with SDPF-U-MIX interaction, and with previous experimental results.
doi: 10.1103/PhysRevC.102.024321
2020ME08 Phys.Rev. C 102, 011301 (2020) F.Mercier, J.Zhao, R.D.Lasseri, J.-P.Ebran, E.Khan, T.Niksic, D.Vretenar Microscopic description of the self-conjugate 108Xe and 104Te α-decay chain RADIOACTIVITY 108Xe, 104Te(α); calculated deformation energy surfaces in (β20, β30) and (β20, β40) planes, total nucleon density of the fragments around scission for α emission, T1/2 using self-consistent microscopic energy density functional framework with relativistic density functional DD-PC1 Comparison with experimental half-lives.
doi: 10.1103/PhysRevC.102.011301
2020RA29 Phys.Rev. C 102, 065804 (2020) A.Ravlic, E.Yuksel, Y.F.Niu, G.Colo, E.Khan, N.Paar Stellar electron-capture rates based on finite-temperature relativistic quasiparticle random-phase approximation NUCLEAR REACTIONS 44Ti, 56Fe(e-, ν), E<30 MeV; calculated electron capture cross sections in stellar environment for the 0+, 0-, 1+, 1-, 2+ and 2- multipoles, B(GT+) transition strength distributions; concluded that for the complete description of electron capture, both pairing and temperature effects must be considered. Nuclear ground-state properties calculated using finite-temperature Hartree BCS theory (FT-HBCS), and nuclear excitations in the charge exchange channel using finite-temperature proton-neutron relativistic QRPA (FT-PNRQRPA), with relativistic energy density functional (DD-ME2) in both cases.
doi: 10.1103/PhysRevC.102.065804
2020YU03 Phys.Rev. C 101, 044305 (2020) E.Yuksel, N.Paar, G.Colo, E.Khan, Y.F.Niu Gamow-Teller excitations at finite temperature: Competition between pairing and temperature effects NUCLEAR STRUCTURE 42Ca, 46Ti, 118Sn; calculated B(GT-), centroid energies of Gamow-Teller (GT) resonances, summed B(GT-), quasiparticle configuration of low-lying GT- states as function of temperature. Relativistic and nonrelativistic finite temperature proton-neutron quasiparticle RPA (FT-PNQRPA) with Skyrme-type functional SkM*, and meson-exchange interaction DD-ME2. Comparison with experimental data. Relevance to universal modeling of the weak-interaction processes in stellar environments, such as electron capture, β decays, and neutrino-nucleus reactions.
doi: 10.1103/PhysRevC.101.044305
2019MA23 Phys.Rev. C 99, 034317 (2019) P.Marevic, J.-P.Ebran, E.Khan, T.Niksic, D.Vretenar Cluster structures in 12C from global energy density functionals NUCLEAR STRUCTURE 12C; calculated deformation energy surfaces in (β2, β3) plane, energy curves as functions of the axial quadrupole deformation β2, low-energy levels, J, π, intraband B(E2) values, spectroscopic quadrupole moments, amplitudes of the collective wave functions squared, and characteristic intrinsic nucleon densities of first three 2+ and 0+ states; analyzed low-lying excitation spectrum and cluster structures in 12C using beyond mean-field framework based on global energy density functionals. Comparison with experimental values. NUCLEAR REACTIONS 12C(e, e), (e, e'), θ2=0-14 fm2; calculated electron scattering form factors using the MR-EDF framework, and compared with experimental data, and with predictions of the AMD and THSR models.
doi: 10.1103/PhysRevC.99.034317
2019YU06 Eur.Phys.J. A 55, 230 (2019) E.Yuksel, G.Colo, E.Khan, Y.F.Niu Nuclear excitations within microscopic EDF approaches: Pairing and temperature effects on the dipole response
doi: 10.1140/epja/i2019-12918-8
2018EB02 Phys.Rev. C 97, 061301 (2018) J.-P.Ebran, E.Khan, R.-D.Lasseri, D.Vretenar Single-particle spatial dispersion and clusters in nuclei NUCLEAR STRUCTURE 288Cf; calculated radial dispersion of the single-neutron, and harmonic-oscillator wave functions. Z=1-120, N=1-200; calculated radial dispersion of single-particle states of valence nucleons. 20Ne; calculated single-particle neutron levels, dispersion of valence neutron wave function, and partial intrinsic valence neutron densities as a function of axial deformation. Self-consistent relativistic mean-field (RMF) framework based on nuclear energy density functionals, and with the harmonic-oscillator approximation for the nuclear potential.
doi: 10.1103/PhysRevC.97.061301
2018GU07 Phys.Rev. C 98, 014318 (2018) H.Guven, K.Bozkurt, E.Khan, J.Margueron ΛΛ pairing in multistrange hypernuclei NUCLEAR STRUCTURE 60Ca, 172Sn, 278Pb; calculated Λ single particle spectra with 20 Λ added in 40Ca, 40 Λ added in 132Sn and 70 Λ added in 208Pb. 40Ca, 132Sn, 208Pb; calculated proton, neutron, and Λ Fermi energies as function of strangeness number, ΛΛ pairing, binding energies, density profiles, and Λ pairing densities. 44,48Ca, 244Pb; calculated single particle spectra with four Λ added in 40Ca, eight Λ added in 40Ca, and 36 Λ added in 208Pb; deduced effect of Λ pairing on the ground state properties of hypernuclei. Hartree-Fock-Bogoliubov (HBF) calculations with SLy5 Skyrme functional for the nucleon-nucleon (NN) channel, and Brueckner-Hartree-Fock calculations with the DF-NSC89, DF-NSC97a and DF-NSC97f functionals for the nucleon-hyperon (NΛ) channel.
doi: 10.1103/PhysRevC.98.014318
2018LA09 Phys.Rev. C 98, 014310 (2018) R.-D.Lasseri, J.-P.Ebran, E.Khan, N.Sandulescu Localization of pairing correlations in nuclei within relativistic mean field models NUCLEAR STRUCTURE 66Ni, 124Sn, 200Pb; calculated ground state energies, rms neutron radii, pairing energies, mean distance between two neutrons, average coherence lengths for pairing tensor and Cooper pair wave function, and two-body correlation functions. 120Sn; calculated coherence length for various intensities of the pairing force, and uivi for single-particle states. Relativistic Hartree-Bogoliubov (RHB) and relativistic mean field (RMF) plus projected BCS (RHB+RMF+PBCS) models.
doi: 10.1103/PhysRevC.98.014310
2018MA13 Phys.Rev. C 97, 024334 (2018) P.Marevic, J.-P.Ebran, E.Khan, T.Niksic, D.Vretenar Quadrupole and octupole collectivity and cluster structures in neon isotopes NUCLEAR STRUCTURE 20,22,24,26,28,30,32,34Ne; calculated mean-field potential energy surfaces (PES) in (β2, β3) plane, angular momentum- and parity-projected PES in (β2, β3) plane, S(2n), collective wave functions, and average deformation parameters for the ground state, level energies of the first 2+ and 4+ states, B(E2) to the ground state, spectroscopic quadrupole moments. 20,22,24,32,34Ne; calculated levels, J, π, collective spectrum, B(E2), B(E3), collective wave functions of excited states, intrinsic nucleon and valence neutrons densities. Self-consistent relativistic mean-field framework with restoration of symmetries and configuration mixing. Discussed role of valence neutrons in the formation of molecular-type bonds between clusters. Description of cluster structures. Comparison with experimental data.
doi: 10.1103/PhysRevC.97.024334
2018YU03 Phys.Rev. C 97, 064308 (2018) E.Yuksel, G.Colo, E.Khan, Y.F.Niu Low-energy quadrupole states in neutron-rich tin nuclei NUCLEAR STRUCTURE 116,118,120,122,124,126,128,130,132,134Sn; calculated mean value of the neutron pairing gap of even-A 116Sn to 130Sn isotopes, proton and neutron single-particle energies of even-A 116Sn to 132Sn, quasiparticle energies and occupation probabilities of neutron states around the Fermi level in 116,120,124,128Sn, energies and B(E2) of first 2+ states, running energy weighted sum of 120Sn, isoscalar quadrupole strengths in even-A 116Sn to 132Sn, reduced transition probabilities of the isoscalar quadrupole responses in 116,120,124,128Sn, quasiparticle contributions to the first 2+ and low-energy states in 120,124,128Sn, proton and neutron transition densities for first 2+, low-energy peak, and GQR region states of 116,120,124,128Sn. Fully self-consistent quasiparticle random phase approximation (QRPA) with Skyrme-type energy density functionals SGII, SLy5 and SkM*. Comparison with experimental values.
doi: 10.1103/PhysRevC.97.064308
2017EB02 J.Phys.(London) G44, 103001 (2017) J.-P.Ebran, E.Khan, T.Niksic, D.Vretenar Localization and clustering in atomic nuclei NUCLEAR STRUCTURE 14,16C, 16O, 24Mg, 32S; calculated nucleon localization, and formation of clusters in nucleonic matter, nucleonic density.
doi: 10.1088/1361-6471/aa809b
2017MA73 Phys.Rev. C 96, 054317 (2017) J.Margueron, E.Khan, F.Gulminelli Density Functional approach for multistrange hypernuclei: Competition between Λ and Ξ0, - hyperons NUCLEAR STRUCTURE 6He; calculated parameters and resulting bond energy for double-Λ 6He hypernucleus. 40Ca, 56Ni, 132Sn, 208Pb; calculated binding energies for multi-strange hypernuclei as a function of strangeness number. 12Be, 15C; calculated Ξ- removal energies of 12Be in ground state, and of 15C in its ground and first excited states. 40Ca, 132Sn, 240Pb; calculated Chemical potential for double hypernuclei. Z=10-120, A=20-380; calculated parameter Sinst as defined in the text using different density functionals. Competition between Λ and Ξ hyperons. Nonrelativistic density functional approach, partially constrained by ab initio calculations and experimental data, using DF-NSC89, DF-NSC97a, and DF-NSC97f density functionals.
doi: 10.1103/PhysRevC.96.054317
2017MU05 Nat.Phys. 13, 152 (2017) A.Mutschler, A.Lemasson, O.Sorlin, D.Bazin, C.Borcea, R.Borcea, Z.Dombradi, J.-P.Ebran, A.Gade, H.Iwasaki, E.Khan, A.Lepailleur, F.Recchia, T.Roger, F.Rotaru, D.Sohler, M.Stanoiu, S.R.Stroberg, J.A.Tostevin, M.Vandebrouck, D.Weisshaar, K.Wimmer A proton density bubble in the doubly magic 34Si nucleus NUCLEAR REACTIONS 9Be(34Si, p)33Al, E<140 MeV/nucleon; measured reaction products, Eγ, Iγ. 34Si; deduced γ-ray energies, parallel momentum distributions of the strongest populated states, neutron and proton density distributions. Comparison with available data.
doi: 10.1038/nphys3916
2017PI07 Phys.Rev. D 95, 075026 (2017) H.Pihan-Le Bars, C.Guerlin, R.-D.Lasseri, J.-P.Ebran, Q.G.Bailey, S.Bize, E.Khan, P.Wolf Lorentz-symmetry test at Planck-scale suppression with nucleons in a spin-polarized 133Cs cold atom clock ATOMIC PHYSICS 133Cs; analyzed available data; deduced an improved model that links the frequency shift of the 133Cs hyperfine Zeeman transitions to the Lorentz-violating Standard Model extension (SME) coefficients of the proton and neutron.
doi: 10.1103/PhysRevD.95.075026
2017YU03 Phys.Rev. C 96, 024303 (2017) E.Yuksel, G.Colo, E.Khan, Y.F.Niu, K.Bozkurt Multipole excitations in hot nuclei within the finite temperature quasiparticle random phase approximation framework NUCLEAR STRUCTURE 68Ni, 120,122Sn; calculated isovector dipole and isoscalar quadrupole strength functions as function of temperature within the fully self-consistent finite temperature quasiparticle random phase approximation framework, based on the Skyrme-type SLy5 energy density functional. Comparison with available experimental data.
doi: 10.1103/PhysRevC.96.024303
2016CA13 Acta Phys.Pol. B47, 937 (2016) D.Carbone, C.Agodi, F.Cappuzzello, M.Cavallaro, A.Foti, E.Khan Collective Excitations in the 14C Nucleus Populated by the 12C(18O, 16O) Reaction at 84 MeV NUCLEAR REACTIONS 12C(18O, 16O)14C, E=84 MeV; measured reaction products; deduced resonance energy. Comparison with continuum quasi-particle random phase approximation calculations.
doi: 10.5506/APhysPolB.47.937
2016EB02 Phys.Rev. C 94, 024304 (2016) J.-P.Ebran, A.Mutschler, E.Khan, D.Vretenar Spin-orbit interaction in relativistic nuclear structure models NUCLEAR STRUCTURE 16O, 34Si, 208Pb; calculated radial dependence of proton and neutron ratio of parameters of spin-orbit potential for the ground states using RMF effective interactions DD-ME2 and DD-PC1, and relativistic Hartree-Fock effective interaction PKO2. 202,204,206,208,210,212,214Pb; calculated isotope shifts using RMF with DD-ME2 and PKO2 interactions, and relativistic Hartree-Fock effective interaction PKO2. Comparison with experimental data. Relativistic self-consistent mean-field (SCMF) models.
doi: 10.1103/PhysRevC.94.024304
2016MU03 Phys.Rev. C 93, 034333 (2016) A.Mutschler, O.Sorlin, A.Lemasson, D.Bazin, C.Borcea, R.Borcea, A.Gade, H.Iwasaki, E.Khan, A.Lepailleur, F.Recchia, T.Roger, F.Rotaru, M.Stanoiu, S.R.Stroberg, J.A.Tostevin, M.Vandebrouck, D.Weisshaar, K.Wimmer Spectroscopy of 35P using the one-proton knockout reaction NUCLEAR REACTIONS 9Be(36S, 35P), (36S, 36P), E=88 MeV/nucleon, [secondary 36S beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Eγ, Iγ, γγ-coin, parallel momentum distributions using A1900 fragment separator, S800 spectrograph and GRETINA array at NSCL-MSU. 35P; deduced levels, J, π, L-transfers, spectroscopic factors. 36P; measured Eγ, parallel momentum distribution; deduced level population. 36S; deduced proton occupancies.
doi: 10.1103/PhysRevC.93.034333
2015BA52 Phys.Lett. B 751, 371 (2015) S.Bagchi, J.Gibelin, M.N.Harakeh, N.Kalantar-Nayestanaki, N.L.Achouri, H.Akimune, B.Bastin, K.Boretzky, H.Bouzomita, M.Caamano, L.Caceres, S.Damoy, F.Delaunay, B.Fernandez-Dominguez, M.Fujiwara, U.Garg, G.F.Grinyer, O.Kamalou, E.Khan, A.Krasznahorkay, G.Lhoutellier, J.F.Libin, S.Lukyanov, K.Mazurek, M.A.Najafi, J.Pancin, Y.Penionzhkevich, L.Perrot, R.Raabe, C.Rigollet, T.Roger, S.Sambi, H.Savajols, M.Senoville, C.Stodel, L.Suen, J.C.Thomas, M.Vandebrouck Observation of isoscalar multipole strengths in exotic doubly-magic 56Ni in inelastic α scattering in inverse kinematics NUCLEAR REACTIONS 4He(56Ni, α), E=50 MeV/nucleon; measured reaction products, Eα, Iα; deduced inelastic σ(θ), Isoscalar Giant Monopole Resonance (ISGMR) and the Isoscalar Giant Dipole Resonance (ISGDR) strength functions.
doi: 10.1016/j.physletb.2015.10.060
2015KH07 Phys.Rev. C 92, 044313 (2015) E.Khan, J.Margueron, F.Gulminelli, Ad.R.Raduta Microscopic evaluation of the hypernuclear chart with Λ hyperons NUCLEAR STRUCTURE 5,6He, 38Si, 144Ce, 210,216,228,248,278Pb; calculated density profiles of hypernuclei. Z≤120; calculated binding energies and the Λ-hypernuclear chart of even-even hypernuclei for Λ=2, 8, 20, 40, 70. 62,68Ni, 110Zr, 144Ce, 278Pb; calculated binding energies of hypernucleons with Λ=2, 6 for Ni, Λ=20 for Zr, Λ=40 for Ce and Λ=70 for Pb. Density-functional approach with microscopic Bruckner-Hartree-Fock calculations and the ΛΛ term treated in a phenomenological way. First microscopic evaluation of the Λ-hypernuclear landscape. Predicted a large number of bound even-even Λ-hypernuclei.
doi: 10.1103/PhysRevC.92.044313
2015LE17 Phys.Rev. C 92, 054309 (2015) A.Lepailleur, K.Wimmer, A.Mutschler, O.Sorlin, J.C.Thomas, V.Bader, C.Bancroft, D.Barofsky, B.Bastin, T.Baugher, D.Bazin, V.Bildstein, C.Borcea, R.Borcea, B.A.Brown, L.Caceres, A.Gade, L.Gaudefroy, S.Grevy, G.F.Grinyer, H.Iwasaki, E.Khan, T.Kroll, C.Langer, A.Lemasson, O.Llidoo, J.Lloyd, E.Lunderberg, F.Negoita, F.de Oliveira Santos, G.Perdikakis, F.Recchia, T.Redpath, T.Roger, F.Rotaru, S.Saenz, M.-G.Saint-Laurent, D.Smalley, D.Sohler, M.Stanoiu, S.R.Stroberg, M.Vandebrouck, D.Weisshaar, A.Westerberg Spectroscopy of 28Na: Shell evolution toward the drip line NUCLEAR REACTIONS 9Be(36S, X)22N/24O, 26F/27Ne/28Ne/29Na/30Na, E=77.6 MeV/nucleon; measured production yields using LISE spectrometer at GANIL. 9Be(31Mg, 28Na), (32Mg, 28Na), E=95 MeV/nucleon, [secondary 31,32Mg beams from 9Be(48Ca, X), E=140 MeV/nucleon using A1900 separator at NSCL-MSU; measured Eγ, Iγ, (28Na)γ-, γγ-coin, level half-life using S800 spectrograph for 28Na and GRETINA array for γ detection. 28Na; deduced levels, J, π, multipolarity. Comparison with shell-model calculations using WBA-M and USDA interactions. Systematics of binding energies for 26F, 28Na, 30Al. 25O, 26F, 27Ne; calculated levels, J, π using shell-model with WBA-M interaction. RADIOACTIVITY 28Ne(β-)[from 9Be(36S, X), E=77.6 MeV/nucleon at GANIL]; measured Eγ, Iγ, Eβ, βγ-coin, half-life of 28Ne activity using EXOGAM array for γ detection. 28Na; deduced levels, J, π, β feedings, logft. Comparison with shell model using the USDA interaction. 27,28Al, 27,28Mg, 28Si; observed γ rays from β decay of contaminants.
doi: 10.1103/PhysRevC.92.054309
2015VA13 Phys.Rev. C 92, 024316 (2015) M.Vandebrouck, J.Gibelin, E.Khan, N.L.Achouri, H.Baba, D.Beaumel, Y.Blumenfeld, M.Caamano, L.Caceres, G.Colo, F.Delaunay, B.Fernandez-Dominguez, U.Garg, G.F.Grinyer, M.N.Harakeh, N.Kalantar-Nayestanaki, N.Keeley, W.Mittig, J.Pancin, R.Raabe, T.Roger, P.Roussel-Chomaz, H.Savajols, O.Sorlin, C.Stodel, D.Suzuki, J.C.Thomas Isoscalar response of 68Ni to α-particle and deuteron probes NUCLEAR REACTIONS 2H(68Ni, d'), 4He(68Ni, α'), E=50 MeV/nucleon, [68Ni secondary beam from 9Be(70Zn, X), E=62.3 MeV/nucleon primary reaction, and using LISE3 separator at GANIL]; measured scattered particle spectra of recoiling ions, α and deuterons using active target MAYA which is a time projection chamber (TPC). 68Ni; deduced excitation-energy spectrum, angular distributions, L transfers, centroids of isoscalar giant monopole resonances (ISGMR and soft ISGMR), isoscalar giant dipole resonances (ISGDR) and isoscalar giant quadrupole resonance (ISGQR), proton distribution coming from deuteron breakup on 68Ni. Calculated angular distributions for 68Ni(d, d') and 68Ni(α, α') by DWBA approach. Discussed systematics of isoscalar giant resonances for 56,58,60,62,64,68Ni.
doi: 10.1103/PhysRevC.92.024316
2014DE10 Acta Phys.Pol. B45, 437 (2014) M.De Napoli, M.Cavallaro, J.A.Scarpaci, F.Cappuzzello, C.Agodi, M.Assie, F.Azaiez, M.Bondi, D.Carbone, A.Cunsolo, A.Foti, E.Khan, S.Franchoo, R.Linares, D.Nicolosi, I.Stefan, S.Tropea High Excitation Energy Modes in 118Sn Populated by the 120Sn(p, t)118Sn Reaction at 35 MeV NUCLEAR REACTIONS 120Sn(p, t), E=35 MeV; measured reaction products; deduced σ(θ, E).
doi: 10.5506/APhysPolB.45.437
2014DE22 Bull.Rus.Acad.Sci.Phys. 78, 588 (2014) M.De Napoli, M.Cavallaro, J.A.Scarpaci, F.Cappuzzello, C.Agodi, M.Assie, F.Azaiez, M.Bondi, D.Carbone, A.Cunsolo, A.Foti, E.Khan, S.Franchoo, R.Linares, D.Nicolosi, I.Stefan, S.Tropea Study of new resonances at high excitation energy by the 120Sn(p, t)118Sn reaction at 35 MeV NUCLEAR REACTIONS 120Sn(p, t), E=35 MeV; measured reaction products; deduced σ(θ, E), excitation energy spectrum, resonance width.
doi: 10.3103/S1062873814070193
2014EB01 Phys.Rev. C 89, 031303 (2014) J.-P.Ebran, E.Khan, T.Niksic, D.Vretenar Cluster-liquid transition in finite, saturated fermionic systems NUCLEAR STRUCTURE 20Ne; calculated self-consistent deformation energy curve as function of β2, reflection-asymmetric axial intrinsic density. 16O; calculated self-consistent intrinsic nucleon density. Deformation-constrained self-consistent mean-field calculations using RHB model with the DD-ME2 density functional. Cluster formation in finite nuclei and in dilute nuclear matter. Mott-like transition.
doi: 10.1103/PhysRevC.89.031303
2014EB03 Phys.Rev. C 90, 054329 (2014) J.-P.Ebran, E.Khan, T.Niksic, D.Vretenar Density functional theory studies of cluster states in nuclei NUCLEAR STRUCTURE 36Ar; calculated neutron single-particle levels, binding energy curves as function of deformation parameter β2. 12C, 20Ne; calculated energy gap between occupied neutron levels as a function of β2, total nucleonic density. 8Be, 12C, 16O, 20Ne, 24Mg, 28Si, 32S, 36Ar, 40Ca; calculated positive-parity projected density plots for excited configurations in N=Z nuclei. 8Be, 12C; calculated self-consistent energy surfaces as function of β2 and β3 deformation parameters, contours of neutron density, surface plots of the partial densities. 8,9,10,11,12,13,14Be; calculated total, proton, and neutron self-consistent mean-field (SCMF) equilibrium intrinsic densities. 10,14Be, 10,14,16C; calculated nucleonic densities for excited configuration. Relativistic Hartree-Bogoliubov calculations of cluster states in light N=Z and neutron-rich nuclei in the framework of nuclear energy density functionals functional DD-ME2.
doi: 10.1103/PhysRevC.90.054329
2014MA11 Eur.Phys.J. A 50, 18 (2014) J.Margueron, E.Khan, G.Colo, K.Hagino, H.Sagawa Effect of pairing on the symmetry energy and the incompressibility NUCLEAR STRUCTURE 120Sn; calculated mass excess, pairing correlations, incompressibility, symmetry energy using HFB modeling with different pairing interactions.
doi: 10.1140/epja/i2014-14018-9
2014VA07 Phys.Rev.Lett. 113, 032504 (2014) M.Vandebrouck, J.Gibelin, E.Khan, N.L.Achouri, H.Baba, D.Beaumel, Y.Blumenfeld, M.Caamano, L.Caceres, G.Colo, F.Delaunay, B.Fernandez-Dominguez, U.Garg, G.F.Grinyer, M.N.Harakeh, N.Kalantar-Nayestanaki, N.Keeley, W.Mittig, J.Pancin, R.Raabe, T.Roger, P.Roussel-Chomaz, H.Savajols, O.Sorlin, C.Stodel, D.Suzuki, J.C.Thomas Measurement of the Isoscalar Monopole Response in the Neutron-Rich Nucleus 68Ni NUCLEAR REACTIONS 4He(68Ni, α), E=50 MeV/nucleon; measured reaction products, Eα, Iα. 68Ni; deduced σ(θ), isoscalar monopole strength. DWBA and RPA transition densities analysis.
doi: 10.1103/PhysRevLett.113.032504
2014YU04 Phys.Rev. C 89, 064322 (2014) E.Yuksel, N.Van Giai, E.Khan, K.Bozkurt Effects of the tensor force on the ground state and first 2+ states of the magic 54Ca nucleus NUCLEAR STRUCTURE 54Ca, 56Ti, 58Cr, 60Fe; calculated single-particle spectra, occupation probabilities for the neutron states in N=34 isotones. 42,44,46,48,50,52,54Ca; calculated energies and B(E2) of first 2+ states with and without the inclusion of tensor force in the mean-field; deduced magic nature of 52,54Ca isotopes. Importance of the tensor force on the shell evolution of p-f shell nuclei. Hartree-Fock-Bogoliubov (HFB) and Hartree-Fock (HF)+BCS methods using Skyrme-type SLy5, SLy5+T, and T44 interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.064322
2014YU06 Eur.Phys.J. A 50, 160 (2014) E.Yuksel, E.Khan, K.Bozkurt, G.Colo Effect of temperature on the effective mass and the neutron skin of nuclei NUCLEAR STRUCTURE 112,120Sn; calculated neutron pairing gap vs temperature, proton and neutron radii vs temperature, partial density of states using finite-temperature Hartree-Fock-BCS with zero-range Skyrme forces. 100,102,104,106,108,110,112,114,116,118,120Sn; calculated neutron skin vs neutron number using finite-temperature Hartree-Fock-BCS with zero-range Skyrme forces. 120Sn; calculated neutron levels, J, nucleon effective mass vs temperature and critical temperature, neutron and proton densities vs radius and temperature using different Skyrme interactions.
doi: 10.1140/epja/i2014-14160-4
2013EB01 Phys.Rev. C 87, 044307 (2013) J.-P.Ebran, E.Khan, T.Niksic, D.Vretenar Localization and clustering in the nuclear Fermi liquid NUCLEAR STRUCTURE 16O, 20Ne, 24Mg, 28Si, 32S, 40Ca, 90Zr, 208Pb; calculated localization parameter α for cluster structures, ground-state density contours. Nuclear energy density functionals SLy4 and DD-ME2. Formation of liquid drops, clusters, and halo structures in nuclei.
doi: 10.1103/PhysRevC.87.044307
2013KH02 Phys.Scr. T152, 014008 (2013) Exotic nuclear excitations NUCLEAR STRUCTURE 68,78Ni; calculated monopole and dipole strengths; deduced soft monopole response.
doi: 10.1088/0031-8949/2013/T152/014008
2013KH08 Phys.Rev. C 87, 064311 (2013) E.Khan, N.Paar, D.Vretenar, L.-G.Cao, H.Sagawa, G.Colo Incompressibility of finite fermionic systems: Stable and exotic atomic nuclei NUCLEAR STRUCTURE Z=50, A=94-168; Z=82, A=170-262; calculated nuclear incompressibility using microscopic Skyrme-CHFB method, the Skyrme-QRPA, and the relativistic QRPA. 110,114,118,122,126,130,134,138,142,146Sn, 200,204,208,212,216,220,224,228,232,236Pb; calculated isoscalar monopole response, nuclear compressibility using the relativistic QRPA with the DD-ME2 functional and the QRPA with the functional SLy5.
doi: 10.1103/PhysRevC.87.064311
2013KH14 Phys.Rev. C 88, 034319 (2013) Determination of the density dependence of the nuclear incompressibility NUCLEAR STRUCTURE 120Sn, 208Pb; calculated equation of state (EoS) incompressibility K(ρ), centroids of the isoscalar giant monopole resonances (GMR) as functions of K(ρ), and density-dependent incompressibility Mc around the crossing density using various relativistic and nonrelativistic density functionals, and local density approximation (LDA).
doi: 10.1103/PhysRevC.88.034319
2013YU05 Eur.Phys.J. A 49, 124 (2013) The soft Giant Monopole Resonance as a probe of the spin-orbit splitting NUCLEAR STRUCTURE 100,132Sn, 208Pb; calculated isoscalar monopole strength distribution using Skyrme HF plus RPA model.
doi: 10.1140/epja/i2013-13124-6
2012FA10 Phys.Rev. C 86, 035805 (2012) A.F.Fantina, E.Khan, G.Colo, N.Paar, D.Vretenar Stellar electron-capture rates on nuclei based on a microscopic Skyrme functional NUCLEAR REACTIONS 54,56Fe, 70,72,74,76,78,80Ge(e, ν), E=0-30 MeV; calculated stellar electron capture cross sections and rates for stellar environment. Skyrme Hartree-Fock model using SLy4, SGII, SkM*, BSk17 interactions, random-phase approximation (RPA). Comparison of FTSHF+RPA results with cross sections obtained by the SMMC and FTRRPA calculations.
doi: 10.1103/PhysRevC.86.035805
2012KH08 Phys.Rev.Lett. 109, 092501 (2012) Constraining the Nuclear Equation of State at Subsaturation Densities NUCLEAR STRUCTURE 208Pb; calculated matter density, energy per unit of volume at the crossing density. Comparison with available data.
doi: 10.1103/PhysRevLett.109.092501
2012KH10 Phys.Scr. T150, 014018 (2012) Measurement of Giant Monopole Resonance in unstable nuclei and the determination of the nuclear matter incompressibility NUCLEAR STRUCTURE 120Sn; calculated density-dependent incompressibility. Skyrme interactions: constrained Hartree-Fock, constrained Hartree-Fock Bogoliubov and constrained Hartree-Fock Bogoliubov using the mixed type pairing.
doi: 10.1088/0031-8949/2012/T150/014018
2012MA58 Phys.Rev. C 86, 065801 (2012) Suppression, persistence, and reentrance of superfluidity near and beyond the neutron drip NUCLEAR STRUCTURE N=20-300, Z=28, 36, 38, 40, 42, 44, 50, 52; calculated neutron pairing gaps versus neutron density for neutron drip-line nuclei. 160,176,180,200Sn; calculated temperature-averaged neutron pairing gap versus temperature. Superfluid reentrant effect. Role of continuum coupling in suppression, persistence, and reentrance of pairing. HFB approach, Wigner-Seitz cells modeling.
doi: 10.1103/PhysRevC.86.065801
2012YU01 Nucl.Phys. A877, 35 (2012) Analysis of the neutron and proton contributions to the pygmy dipole mode in doubly magic nuclei NUCLEAR STRUCTURE 16,24O, 40,48,70Ca, 56,68,78Ni, 100,132Sn, 208Pb; calculated GDR, Pygmy dipole strength distribution using self-consistent HF+RPA with Skyrme interactions. Comparison with data.
doi: 10.1016/j.nuclphysa.2012.01.006
2011EB02 Phys.Rev. C 83, 064323 (2011) J.-P.Ebran, E.Khan, D.Pena Arteaga, D.Vretenar Relativistic Hartree-Fock-Bogoliubov model for deformed nuclei NUCLEAR STRUCTURE 18,22,26,30Ne; calculated proton and neutron density contours. 22,24,26,28,30,32,34,36,38,40Mg; calculated two-neutron separation energies. 18,20,22,24,26,28,30,32Ne;calculated binding energies, charge radii, deformation parameter. 10,12,14,16,18,20,22C; calculated deformation parameter. 26Ne, 28Mg; calculated single proton and neutron levels. Relativistic Hartree-Fock-Bogoliubov model for axially deformed nuclei (RHFBz) using effective Lagrangian with density-dependent meson-nucleon couplings in the particle-hole channel and the central part of the Gogny force in the particle-particle channel. Comparison with experimental data.
doi: 10.1103/PhysRevC.83.064323
2011KH04 Int.J.Mod.Phys. E20, 387 (2011) Microscopic description of temperature and pairing effects in nuclei NUCLEAR STRUCTURE 84Ni, 124,130Sn; calculated specific heat. FT-HFB framework.
doi: 10.1142/S0218301311017764
2011KH10 Phys.Rev. C 84, 051301 (2011) Low-energy monopole strength in exotic nickel isotopes NUCLEAR STRUCTURE 68Ni; calculated isoscalar monopole strength, neutron and proton transition densities in 10-40 MeV region. 60,62,64,66,68,70,72,74,76,78Ni; calculated monopole response in 10-40 MeV range. Microscopic Skyrme HF+RPA and relativistic RHB+RQRPA models.
doi: 10.1103/PhysRevC.84.051301
2011MO06 Phys.Rev. C 83, 037302 (2011) B.Mouginot, E.Khan, R.Neveling, F.Azaiez, E.Z.Buthelezi, S.V.Fortsch, S.Franchoo, H.Fujita, J.Mabiala, J.P.Mira, P.Papka, A.Ramus, J.A.Scarpaci, F.D.Smit, I.Stefan, J.A.Swartz, I.Usman Search for the giant pairing vibration through ( p, t) reactions around 50 and 60 MeV NUCLEAR REACTIONS 120Sn, 205Pb(p, t), E=50, 60 MeV; measured E(t), I(t), TOF; deduced σ; investigated existence of giant pairing vibration (GPV) in 120Sn and 205Pb. No clear signal found for GPV.
doi: 10.1103/PhysRevC.83.037302
2011PE26 Phys.Rev. C 84, 045806 (2011) D.Pena Arteaga, M.Grasso, E.Khan, P.Ring Nuclear structure in strong magnetic fields: Nuclei in the crust of a magnetar NUCLEAR STRUCTURE 16O, 56Fe; calculated evolution of single-particle level energies, binding energy per article, radius, and β deformation as a function of magnetic field strengths. Z=22-30, N=22-36; calculated minimum magnetic field for which the first level crossing at the Fermi energy occurs. Influence of strong magnetic fields on nuclear structure using a fully self-consistent covariant density functional.
doi: 10.1103/PhysRevC.84.045806
2011PL01 Phys.Rev. C 83, 034613 (2011) E.Pllumbi, M.Grasso, D.Beaumel, E.Khan, J.Margueron, J.van de Wiele Probing the pairing interaction through two-neutron transfer reactions NUCLEAR REACTIONS 124,136Sn(p, t), E=15-35 MeV; analyzed differential σ, σ(θ), form factors, σ(g.s.)/σ(excited 0+) using one-step distorted-wave Born approximation (DWBA) with HFB+QRPA for transition densities and form factors.
doi: 10.1103/PhysRevC.83.034613
2011SA23 Phys.Atomic Nuclei 74, 701 (2011) S.Savovic, A.Djordjevich, S.Jokic, E.U.Khan Mass transfer during the prefission step in the 17.0-MeV/u 132Xe + 238U interaction NUCLEAR REACTIONS 238U(132Xe, X), E=17 MeV/nucleon; analyzed experimental data; deduced yields, applicability of Fokker-Planck equation.
doi: 10.1134/S1063778811040120
2011SC15 Int.J.Mod.Phys. E20, 1038 (2011) J.A.Scarpaci, M.Fallot, D.Lacroix, M.Assie, L.Lefebvre, N.Frascaria, D.Beaumel, C.Bhar, Y.Blumenfeld, A.Chbihi, Ph.Chomaz, P.Desesquelle, J.Frankland, H.Idbarkach, E.Khan, J.L.Laville, E.Plagnol, E.C.Pollacco, P.Roussel-Chomaz, J.C.Roynette, A.Shrivastava, T.Zerguerras Probing pre-formed alpha particles in the ground state of nuclei NUCLEAR REACTIONS Ca(40Ca, 40Caα), E=50 MeV/nucleon; measured reaction products; deduced σ(θ).
doi: 10.1142/S0218301311019222
2010KH03 Phys.Rev. C 82, 024322 (2010) E.Khan, J.Margueron, G.Colo, K.Hagino, H.Sagawa Effect of pairing correlations on incompressibility and symmetry energy in nuclear matter and finite nuclei NUCLEAR STRUCTURE 114,120Sn, 208Pb; calculated effects of pairing correlations on incompressibility and symmetry energy using a microscopic constrained-HFB approach with several pairing functionals. Evaluated pairing effect on the centroid energies of the isoscalar giant monopole resonances (GMR) in Pb and Sn isotopes.
doi: 10.1103/PhysRevC.82.024322
2010SC21 Phys.Rev. C 82, 031301 (2010); Publishers note Phys.Rev. C 82, 039902 (2010) J.A.Scarpaci, M.Fallot, D.Lacroix, M.Assie, L.Lefebvre, N.Frascaria, D.Beaumel, C.Bhar, Y.Blumenfeld, A.Chbihi, Ph.Chomaz, P.Desesquelles, J.Frankland, H.Idbarkach, E.Khan, J.L.Laville, E.Plagnol, E.C.Pollacco, P.Roussel-Chomaz, J.C.Roynette, A.Shrivastava, T.Zerguerras Probing preformed α particles in the ground state of nuclei NUCLEAR REACTIONS 40Ca(40Ca, α), E=50 MeV/nucleon; measured Eα, Iα, σ, σ(θ). 36Ar; deduced missing energy spectrum, levels, J, π. Comparison of σ(θ) with calculations using time-dependent Schroedinger equation (TDSE).
doi: 10.1103/PhysRevC.82.031301
2009CH03 Phys.Rev. C 79, 012801 (2009) Neutron specific heat in the crust of neutron stars from the nuclear band theory NUCLEAR STRUCTURE Z=40, N=160, 210, 280; calculated neutron-specific heat using band theory of solids with Skyrme nucleon-nucleon interaction.
doi: 10.1103/PhysRevC.79.012801
2009GR04 Phys.Rev. C 79, 034318 (2009) M.Grasso, L.Gaudefroy, E.Khan, T.Niksic, J.Piekarewicz, O.Sorlin, N.Van Giai, D.Vretenar Nuclear "bubble" structure in 34Si NUCLEAR STRUCTURE 22,24O, 34,36Si; calculated neutron densities, charge densities, binding energies, charge radii, neutron skin thickness. Shell model, non-relativistic mean-field approach and relativistic mean-field approach calculations.
doi: 10.1103/PhysRevC.79.034318
2009GR16 Int.J.Mod.Phys. E18, 2009 (2009) M.Grasso, E.Khan, J.Margueron, N.Van Giai, L.Gaudefroy, T.Niksic, D.Vretenar, J.Piekarewicz, O.Sorlin Bubbles in exotic nuclei NUCLEAR STRUCTURE 46,68Ar; calculated proton densities with SkI5, SLy4 interactions in the HF approach.
doi: 10.1142/S0218301309014184
2009KH04 Phys.Rev. C 80, 011307 (2009) Role of superfluidity in nuclear incompressibilities NUCLEAR STRUCTURE 112,114,116,118,120,122,124,126,128,130,132,134,136Sn; calculated excitation energies of the Giant Monopole Resonance (GMR) and nuclear incompressibilities using constrained Hartree-Fock Bogoliubov calculations.
doi: 10.1103/PhysRevC.80.011307
2009KH08 Phys.Rev. C 80, 044328 (2009) Constraining the nuclear pairing gap with pairing vibrations NUCLEAR STRUCTURE 124,136Sn; analyzed neutron quasiparticle states, response functions and neutron transition densities using Hartree-Fock-Bogoliubov (HFB) model and quasiparticle random-phase approximation (QRPA).
doi: 10.1103/PhysRevC.80.044328
2009KH11 Phys.Rev. C 80, 057302 (2009) Giant monopole resonance in Pb isotopes NUCLEAR STRUCTURE 204,206,208,210,212Pb; calculated excitation energies of isoscalar giant monopole resonance (IGMR) using constrained Hartree-Fock-Bogoliubov (CHFB) method and the SLy4 and SkM* interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.80.057302
2009NA24 Braz.J.Phys. 39, 539 (2009) T.Nasir, E.U.Khan, J.J.Baluch, S.-U.Rehman, Matiullah, M.Rafique Sequential and double sequential fission observed in heavy ion interaction of (11.67 MeV/u)197Au projectile with 197Au target NUCLEAR REACTIONS 197Au(197Au, X), E=11.67 MeV/nucleon; measured reaction fragments; deduced sequential and double sequential fission, mass transfer, kinetic energy loss, scattering angles. Computer code PRONGY.
doi: 10.1590/S0103-97332009000500005
2009PA43 Phys.Rev. C 80, 055801 (2009) N.Paar, G.Colo, E.Khan, D.Vretenar Calculation of stellar electron-capture cross sections on nuclei based on microscopic Skyrme functionals NUCLEAR REACTIONS 56Fe(e, ν), E=4-60 MeV; Ni, 48Ti, 50Cr, 68Ge, 72Ge, 76Ge(e, ν), E=5-30 MeV; calculated stellar electron capture cross sections at different temperatures with finite-temperature Skyrme Hartree-Fock plus RPA approach. Comparison with cross sections calculated from the shell-model Monte Carlo (SMMC) GT-strength distributions. NUCLEAR STRUCTURE 74Ge; calculated occupation percentages of proton and neutron orbitals, and temperature dependence of GT strength distributions with the finite-temperature proton-neutron RPA model based on the Skyrme SGII interaction.
doi: 10.1103/PhysRevC.80.055801
2009PE05 Phys.Rev. C 79, 034311 (2009) D.Pena Arteaga, E.Khan, P.Ring Isovector dipole strength in nuclei with extreme neutron excess NUCLEAR STRUCTURE 132,134,136,138,140,142,144,146,148,150,152,154,156,158,160,162,164,166Sn; calculated isovector dipole (E1) resonance strengths and energies of GDR and PDR, total pygmy dipole strength, transition densities. Relativistic quasiparticle random phase approximation (RQRPA).
doi: 10.1103/PhysRevC.79.034311
2008GR13 Nucl.Phys. A807, 1 (2008) M.Grasso, E.Khan, J.Margueron, N.Van Giai Low-energy excitations in nuclear systems: From exotic nuclei to the crust of neutron stars NUCLEAR STRUCTURE Z=40, 50; calculated neutron densities, quadrupole strength distributions using QRPA in relation to neutron stars.
doi: 10.1016/j.nuclphysa.2008.04.003
2008KH01 Nucl.Phys. A800, 37 (2008) E.Khan, M.Grasso, J.Margueron, N.Van Giai Detecting bubbles in exotic nuclei NUCLEAR STRUCTURE 46Ar; calculated proton density, monopole, dipole and quadrupole strength functions using Hartree-Fock approach.
doi: 10.1016/j.nuclphysa.2007.11.012
2008MO02 Phys.Rev.Lett. 100, 042501 (2008) C.Monrozeau, E.Khan, Y.Blumenfeld, C.E.Demonchy, W.Mittig, P.Roussel-Chomaz, D.Beaumel, M.Caamano, D.Cortina-Gil, J.P.Ebran, N.Frascaria, U.Garg, M.Gelin, A.Gillibert, D.Gupta, N.Keeley, F.Marechal, A.Obertelli, J-A.Scarpaci First Measurement of the Giant Monopole and Quadrupole Resonances in a Short-Lived Nucleus: 56Ni NUCLEAR REACTIONS 2H(56Ni, 56Ni), E=50 MeV/nucleon; measured deuteron recoil energies and yields. 56Ni; deduced isoscaler giant monopole and giant quadrupole resonance centroids and angular distributions.
doi: 10.1103/PhysRevLett.100.042501
2007CH44 Phys.Rev. C 75, 055806 (2007) N.Chamel, S.Naimi, E.Khan, J.Margueron Validity of the Wigner-Seitz approximation in neutron star crust
doi: 10.1103/PhysRevC.75.055806
2007FA17 Nucl.Phys. A788, 106c (2007) M.Fallot, J.A.Scarpaci, N.Frascaria, Y.Blumenfeld, A.Chbihi, Ph.Chomaz, P.Desesquelles, J.Frankland, E.Khan, J.L.Laville, E.Plagnol, E.C.Pollacco, P.Roussel-Chomaz, J.C.Roynette, A.Shrivastava, T.Zerguerras Decay of 1, 2 and 3-phonon states in 40Ca NUCLEAR REACTIONS 40Ca(40Ca, X)39K/38Ar/36Ar/37Cl, E=50 MeV/nucleon; measured Ep, Eα, missing energy spectra. 40Ca deduced two-, three-phonon giant resonance states.
doi: 10.1016/j.nuclphysa.2007.01.055
2007GR21 Phys.Rev. C 76, 044319 (2007) M.Grasso, Z.Y.Ma, E.Khan, J.Margueron, N.Van Giai Evolution of the proton sd states in neutron-rich Ca isotopes NUCLEAR STRUCTURE 48,52,70,78Ca; calculated excitation energies. Skyrme-Hartree-Fock equations used.
doi: 10.1103/PhysRevC.76.044319
2007KH14 Nucl.Phys. A788, 121c (2007) Astrophysical roles for giant resonances in exotic nuclei NUCLEAR REACTIONS 181Ta(γ, n), E=7.5-13.5 MeV; calculated σ. Astrophysical r-process implications and role of giant resonances discussed. Hauser-Feshbach and quasi-particle RPA models. Comparison with data.
doi: 10.1016/j.nuclphysa.2007.01.057
2007KH15 Nucl.Phys. A789, 94 (2007) E.Khan, N.Van Giai, N.Sandulescu Pairing interactions and vanishing pairing correlations in hot nuclei NUCLEAR STRUCTURE Sn; calculated mean neutron pairing gaps using finite temperature HFB calculation using Skyrme and zero-range, density-dependent pairing interactions.
doi: 10.1016/j.nuclphysa.2007.03.005
2007MO29 Nucl.Phys. A788, 182c (2007) C.Monrozeau, E.Khan, Y.Blumenfeld, W.Mittig, D.Beaumel, M.Caamano, D.Cortina-Gil, C.E.Demonchy, N.Frascaria, U.Garg, M.Gelin, A.Gillibert, D.Gupta, F.Marechal, A.Obertelli, P.Roussel-Chomaz, J.-A.Scarpaci Measurement of the GMR in the Unstable 56Ni Nucleus using the Active Target Maya NUCLEAR REACTIONS 2H(56Ni, d), E=50 MeV/nucleon; measured Ed, E(recoil), energy excitation spectrum.
doi: 10.1016/j.nuclphysa.2007.01.080
2007PA17 Rep.Prog.Phys. 70, 691 (2007) N.Paar, D.Vretenar, E.Khan, G.Colo Exotic modes of excitation in atomic nuclei far from stability
doi: 10.1088/0034-4885/70/5/R02
2007SK05 Nucl.Phys. A788, 260c (2007) F.Skaza, V.Lapoux, N.Keeley, N.Alamanos, F.Auger, D.Beaumel, E.Becheva, Y.Blumenfeld, F.Delaunay, A.Drouart, A.Gillibert, L.Giot, E.Khan, L.Nalpas, A.Pakou, E.Pollacco, R.Raabe, P.Roussel-Chomaz, K.Rusek, J.-A.Scarpaci, J.-L.Sida, S.Stepantsov, R.Wolski Low-lying states and structure of the exotic 8He via direct reactions on the proton NUCLEAR STRUCTURE 8He; analyzed level energies and widths.
doi: 10.1016/j.nuclphysa.2007.01.093
2006BA01 Radiat.Meas. 41, 217 (2006) J.J.Baluch, E.U.Khan, R.Tahseen, I.E.Qureshi, T.Nasir, N.ul Hassan Study of deep inelastic collisions in the heavy-ion interaction of (14.0 MeV/u)208Pb + 238U NUCLEAR REACTIONS 238U(208Pb, X), E=14.0 MeV/nucleon; measured fission fragment yields, angular distributions; deduced pre-fission mass distributions.
doi: 10.1016/j.radmeas.2005.07.022
2006BE04 Phys.Rev.Lett. 96, 012501 (2006) E.Becheva, Y.Blumenfeld, E.Khan, D.Beaumel, J.M.Daugas, F.Delaunay, Ch.-E.Demonchy, A.Drouart, M.Fallot, A.Gillibert, L.Giot, M.Grasso, N.Keeley, K.W.Kemper, D.T.Khoa, V.Lapoux, V.Lima, A.Musumarra, L.Nalpas, E.C.Pollacco, O.Roig, P.Roussel-Chomaz, J.E.Sauvestre, J.A.Scarpaci, F.Skaza, H.S.Than N = 14 Shell Closure in 22O Viewed through a Neutron Sensitive Probe NUCLEAR REACTIONS 1H(22O, 22O), (22O, 22O'), E=46.6 MeV/nucleon; measured particle spectra, σ(E, θ). 22O level deduced deformation parameter, shell closure features. MUST detector array.
doi: 10.1103/PhysRevLett.96.012501
2006FA07 Phys.Rev.Lett. 97, 242502 (2006) M.Fallot, J.A.Scarpaci, N.Frascaria, Y.Blumenfeld, A.Chbihi, Ph.Chomaz, P.Desesquelles, J.Frankland, E.Khan, J.L.Laville, E.Plagnol, E.C.Pollacco, P.Roussel-Chomaz, J.C.Roynette, A.Shrivastava, T.Zerguerras Evidence for a Three-Phonon Giant Resonance State in 40Ca Nuclei NUCLEAR REACTIONS 40Ca(40Ca, pX)39K/38Ar/37Cl, E=50 MeV/nucleon; measured Ep, missing energy spectra. 40Ca deduced three-phonon giant resonance state.
doi: 10.1103/PhysRevLett.97.242502
2006GU17 Nucl.Phys. A773, 230 (2006) Folding model analysis of proton scattering from 18, 20, 22O nuclei NUCLEAR REACTIONS 18,20,22O(p, p), (p, p'), E=43-46.6 MeV; calculated σ(E, θ). 18O(polarized p, p'), E=24.5 MeV; 18,20,22O(polarized p, p'), E=43-46.6 MeV; calculated analyzing power. Folding model approach, comparison with data.
doi: 10.1016/j.nuclphysa.2006.06.003
2006NA30 Chin.Phys.Lett. 23, 2714 (2006) T.Nasir, J.J.Baluch, E.U.Khan, F.N.Khattak, M.I.Shahzad Mass Transfer: a Deciding Factor for the Multiplicity of an Event in Deep Inelastic Collisions NUCLEAR REACTIONS 197Au(208Pb, X), E=11.67 MeV/nucleon; measured fragments kinetic energy and mass distributions, multiplicity; deduced reaction mechanism features.
doi: 10.1088/0256-307X/23/10/025
2006RA15 Chin.Phys.Lett. 23, 1716 (2006) M.A.Rana, E.U.Khan, M.I.Shahzad, I.E.Qureshi, F.Malik, G.Sher, S.Manzoor, H.A.Khan Annihilation of Antiprotons in Light Nuclei NUCLEAR REACTIONS H, C, O(p-bar, X), E=5.9 MeV; measured light charged particle yields, angular distributions following antiproton annihilation in CR-39 detector.
doi: 10.1088/0256-307X/23/7/017
2006SH05 Chin.Phys.Lett. 23, 572 (2006) G.Sher, M.I.Shahzad, M.Hussain, M.A.Rana, E.U.Khan Cross Section of Heavy Ion Reaction (14.5 MeV/u) 132Xe + Bi NUCLEAR REACTIONS Bi(132Xe, 132Xe), E=14.5 MeV/nucleon; measured σ(θ). Bi(132Xe, X), E=14.5 MeV/nucleon; measured reaction σ. Plastic track detector.
doi: 10.1088/0256-307X/23/3/013
2005GO39 Eur.Phys.J. A 25, Supplement 1, 71 (2005) S.Goriely, M.Samyn, J.M.Pearson, E.Khan Recent progress in mass predictions NUCLEAR STRUCTURE Z=8-120; A=16-340; analyzed atomic masses. Nuclear matter properties discussed. Skyrme-Hartree-Fock-Bogoliubov approach, comparison with data.
doi: 10.1140/epjad/i2005-06-022-4
2005JO12 Phys.Rev. C 72, 014308 (2005) C.Jouanne, V.Lapoux, F.Auger, N.Alamanos, A.Drouart, A.Gillibert, G.Lobo, A.Musumarra, L.Nalpas, E.Pollacco, J.-L.Sida, M.Trotta, Y.Blumenfeld, E.Khan, T.Suomijarvi, T.Zerguerras, P.Roussel-Chomaz, H.Savajols, A.Lagoyannis, A.Pakou Structure of low-lying states of 10, 11C from proton elastic and inelastic scattering NUCLEAR REACTIONS 1H(10C, 10C), (10C, 10C'), E=45.3 MeV/nucleon; 1H(11C, 11C), (11C, 11C'), E=40.6 MeV/nucleon; 1H(12C, 12C), (12C, 12C'), E=36.3 MeV/nucleon; measured elastic and inelastic σ(θ). 10,11C deduced radii, transition matrix elements.
doi: 10.1103/PhysRevC.72.014308
2005KH04 Chin.Phys.Lett. 22, 69 (2005) F.N.Khattak, E.U.Khan, T.Nasir, J.J.Baluch, F.U.Khan Inter-relationship of Various Results in Analysis of (14.0 MeV/U) Pb + Pb Reaction Using Mica and CN-85 Track Detectors NUCLEAR REACTIONS Pb(Pb, X), E=14.0 MeV/nucleon; measured fragment yields, kinetic energy and angular distributions.
doi: 10.1088/0256-307X/22/1/020
2005KH08 Phys.Rev. C 71, 042801 (2005) E.Khan, N.Sandulescu, N.Van Giai Collective excitations in the inner crust of neutron stars: Supergiant resonances
doi: 10.1103/PhysRevC.71.042801
2005QU03 Radiat.Meas. 40, 464 (2005) I.E.Qureshi, M.I.Shahzad, E.U.Khan, G.Sher, H.A.Khan Study of the reaction step preceding sequential fission in the nuclear interaction (16.7 MeV/u) 238U+nat.Au NUCLEAR REACTIONS 197Au(238U, X), E=16.7 MeV/nucleon; measured fragments mass and angular distributions, multiplicity; deduced reaction mechanism features. Mica track detectors, sequential fission.
doi: 10.1016/j.radmeas.2005.03.013
2004GO37 Nucl.Phys. A739, 331 (2004) Microscopic HFB + QRPA predictions of dipole strength for astrophysics applications NUCLEAR STRUCTURE 72Ge, 82Se, 94Zr, 100Mo, 124Sn, 130Te, 142Ce, 150Sm, 208Pb; calculated photoabsorption σ, dipole strength distributions. Z=8-110; calculated Maxwellian-average neutron capture rates. HFB and quasiparticle RPA models, comparison with data.
doi: 10.1016/j.nuclphysa.2004.04.105
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