NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = J.Pei Found 56 matches. 2023CH03 Chin.Phys.Lett. 40, 012401 (2023) Fission Properties of Neutron-Rich Nuclei around the End Point of r-Process RADIOACTIVITY 278,286Cf(SF); calculated fission barriers and potential energy surfaces are obtained by constrained static Skyrme Hartree-Fock-BCS, Fission fragments with dynamical time-dependent Hartree-Fock+BCS.
doi: 10.1088/0256-307X/40/1/012401
2023CH14 Nucl.Phys. A1032, 122626 (2023) J.H.Chi, Y.Qiang, C.Y.Gao, J.C.Pei Role of hexadecapole deformation in fission potential energy surfaces of 240Pu NUCLEAR STRUCTURE 240Pu; calculated microscopic multi-dimensional potential energy surfaces for descriptions of fission within the multipole deformation-constrained Skyrme Hartree-Fock+BCS (SHF-BCS); deduced importance of hexadecapole deformation at large deformations, multiple solutions and discontinuities in potential energy surfaces.
doi: 10.1016/j.nuclphysa.2023.122626
2023CH55 Phys.Rev. C 108, 065806 (2023) M.Chen, D.Guan, Ch.Jiang, J.Pei Speed of sound and phase transitions in neutron stars indicated by the thick neutron skin of 208Pb
doi: 10.1103/PhysRevC.108.065806
2023JI05 Phys.Rev. C 107, 044308 (2023) Quantum computing of the pairing Hamiltonian at finite temperature
doi: 10.1103/PhysRevC.107.044308
2022CH17 Phys.Rev. C 105, 034315 (2022) Correlations between nuclear landscape boundaries and neutron-rich r-process abundances NUCLEAR STRUCTURE 120,122,124,126,128,130,132,134,136,138,140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178Sn; calculated S(2n), neutron pairing gap. 39Na; calculated S(2n) using seven different Skyrme-type forces. Comparison to available experimental data. Calculated r-process abundances for A=78-24 with SKYNET using reaction rates calculated with TALYS. Skyrme Hartree-Fock-Bogoliubov (HFB) framework.
doi: 10.1103/PhysRevC.105.034315
2022MA45 Phys.Rev. C 106, 064316 (2022) L.Ma, H.B.Yang, Z.Y.Zhang, J.C.Pei, M.H.Huang, M.M.Zhang, C.Y.Qiao, X.J.Bao, Y.L.Tian, C.L.Yang, Y.S.Wang, Z.Zhao, X.Y.Huang, S.Y.Xu, W.X.Huang, Z.Liu, X.H.Zhou, Z.G.Gan Attempts to produce new americium isotopes near N=126 NUCLEAR REACTIONS 191,193Ir(40Ar, xn)231Am*/233Am*, E=190-204 MeV; measured reaction products, Eα, (recoils)α-α-α correlated events, using SHANS gas-filled recoil separator, 16 position-sensitive Si-strip detectors (PSSDs) for evaporation residues, and eight side silicon detectors (SSDs) for α particles at the HRIFL-Lanzhou facility. 226,227,228Am; no evidence found for the detection of these nuclides, with upper limits of cross sections determined for the production of the compound nuclei of 231Am and 233Am; discussed nonobservation of new americium isotopes in terms of reduced survival probabilities of compound nuclei 231Am and 233Am due to their low fission barriers at high excitations. NUCLEAR STRUCTURE 226,227,228,229Am; calculated excitation functions for the production of these nuclides in 191,193Ir(40Ar, xn) using the statistical model code HIVAP. 230,231,232,233,234,235,236Am; evaluated shell correction energies and fission barriers from FRDM2012, KTUY2005, and WS2010. 226U, 227Np, 231,233Am; calculated fission barrier heights as functions of excitation energy and quadrupole deformation parameter β2 using microscopic finite-temperature Skyrme Hartree-Fock+BCS theory.
doi: 10.1103/PhysRevC.106.034316
2022QI04 Phys.Rev. C 106, 014608 (2022) Modeling survival probabilities of superheavy nuclei at high excitation energies NUCLEAR STRUCTURE 210Po; calculated fission widths of compound nuclei depending on the excitation energy, first-chance survival probability. 254,256,258,260No, 288,290,292,290Fl, 294,296,298,300Og, 298,300,302,304120; calculated first-chance survival probabilities and decay width of the compound nuclei depending on the excitation energy, curvatures around the equilibrium point, fission barrier heights and the barrier saddle point as a function of excitation energy. Skyrme-Hartree-Fock+BCS at finite temperatures. Survival probabilities derived using Bohr-Wheeler statistical model. Comparison to available experimental data.
doi: 10.1103/PhysRevC.106.014608
2022WA26 Phys.Rev. C 106, L021304 (2022) Z.A.Wang, J.C.Pei, Y.J.Chen, C.Y.Qiao, F.R.Xu, Z.G.Ge, N.C.Shu Bayesian approach to heterogeneous data fusion of imperfect fission yields for augmented evaluations NUCLEAR REACTIONS 238U(n, F), E<20 MeV; analyzed experimental data; calculated cumulative fission yields of 99Mo, 135Xe, 140Ba, 147Nd fragments, independent fission yields. Bayesian neural networks (BNNs) algorithm for machine learning.
doi: 10.1103/PhysRevC.106.L021304
2021CH17 Phys.Rev. C 103, L031302 (2021) J.Chen, S.M.Wang, H.T.Fortune, J.L.Lou, Y.L.Ye, Z.H.Li, N.Michel, J.G.Li, C.X.Yuan, Y.C.Ge, Q.T.Li, H.Hua, D.X.Jiang, X.F.Yang, D.Y.Pang, F.R.Xu, W.Zuo, J.C.Pei, J.Li, W.Jiang, Y.L.Sun, H.L.Zang, N.Aoi, H.J.Ong, E.Ideguchi, Y.Ayyad, K.Hatanaka, D.T.Tran, D.Bazin, J.Lee, Y.N.Zhang, J.Wu, H.N.Liu, C.Wen, T.Yamamoto, M.Tanaka, T.Suzuki Observation of the near-threshold intruder 0- resonance in 12Be NUCLEAR REACTIONS 2H(11Be, p)12Be, E=26.9 MeV/nucleon; measured E(p), I(p), σ(θ) using two parallel-plate avalanche counters (PPACs), and a set of annular double-sided silicon detectors (ADSSDs) at the RCNP, Osaka University. 12Be; deduced missing-mass spectra of 12Be unbound states, levels, J, π, a 0- resonance just above S(n), decay width. DWBA analysis. Comparison with Gamow coupled-channel and Gamow shell-model calculations.
doi: 10.1103/PhysRevC.103.L031302
2021QI04 Phys.Rev. C 103, 034621 (2021) C.Y.Qiao, J.C.Pei, Z.A.Wang, Y.Qiang, Y.J.Chen, N.C.Shu, Z.G.Ge Bayesian evaluation of charge yields of fission fragments of 239U NUCLEAR REACTIONS 232,233Th, 239Pu(n, F), E=14 MeV; 239Pu, 244Cm(n, F), E=0.5 MeV; 255Fm(n, F), E=0.025 eV; analyzed one-layer and two-layer Bayesian neural network (BNN) learning results of charge yields taken from JENDL. 235U(n, F), E=0.025 eV and 0.5, 14 MeV; predicted BNN fission charge yields. 238U(n, F)239U*, E=0.5 MeV; calculated and evaluated BNN fission charge yields. Double-layered Bayesian neural network (BNN) to learn and predict charge yields of fission fragments; deduced better performance of double-layer network better than that of the single-layer network with same number of neurons. Comparison with experimental data.
doi: 10.1103/PhysRevC.103.034621
2021QI05 Phys.Rev. C 103, L031304 (2021) Y.Qiang, J.C.Pei, P.D.Stevenson Fission dynamics of compound nuclei: Pairing versus fluctuations NUCLEAR REACTIONS 239Pu(n, F)240Pu*, E*=10.6, 16.1, 53.2 MeV; calculated detailed fission observables of compound 240Pu with TD-BCS plus thermal fluctuations: fission evolution time, mass of heavy fragments, proton and neutron numbers of heavy and light fragments, excitation energies of heavy and light fragments, total excitation energies of fragments, total kinetic energies TKE, the quadrupole and octupole deformations before scission, neutron and proton pairing energies. Time-dependent Hartree-Fock+BCS approach.
doi: 10.1103/PhysRevC.103.L031304
2021QI08 Phys.Rev. C 104, 054604 (2021) Energy and pairing dependence of dissipation in real-time fission dynamics RADIOACTIVITY 258Fm(SF); calculated nuclear potentials, dissipated energies, fission evolution time to scission, scission deformations Q20, total kinetic energy (TKE), total excitation energies of fragments (TXE), prescission dissipated energies, pre- and total-dissipated energies, final intrinsic energies as functions of temperature and quadrupole potential Q20. Microscopic study of dissipation in fission dynamical evolutions with the time-dependent Hartree-Fock+BCS method.
doi: 10.1103/PhysRevC.104.054604
2021WA52 Phys.Rev. C 104, 064608 (2021) Optimizing multilayer Bayesian neural networks for evaluation of fission yields NUCLEAR REACTIONS 235U(n, F), E=0.5, 3.6, 4.49, 14 MeV; 229Th, 242Pu(n, F), E=0.01 MeV; 234U(n, F), E=14 MeV; 238U(n, F), E=0.5 MeV; analyzed and evaluated experimental data for induced fission yields using multilayer Bayesian neural networks (BNN) techniques with learning performances using different activation functions such as sine, tanh, sigmoid, and ReLU to improve their performance for evaluations of fission yields. 238U(n, F)239U*; evaluated fission yields of compound nucleus with experimental data taken from GEF and ENDF libraries using double-layer BNN evaluations without and with penalty on negative values.
doi: 10.1103/PhysRevC.104.064608
2020BE28 J.Phys.(London) G47, 113002 (2020) M.Bender, R.Bernard, G.Bertsch, S.Chiba, J.Dobaczewski, N.Dubray, S.A.Giuliani, K.Hagino, D.Lacroix, Z.Li, P.Magierski, J.Maruhn, W.Nazarewicz, J.Pei, S.Peru, N.Pillet, J.Randrup, D.Regnier, P.G.Reinhard, L.M.Robledo, W.Ryssens, J.Sadhukhan, G.Scamps, N.Schunck, C.Simenel, J.Skalski, I.Stetcu, P.Stevenson, S.Umar, M.Verriere, D.Vretenar, M.Warda, S.Aberg Future of nuclear fission theory
doi: 10.1088/1361-6471/abab4f
2020CH21 Phys.Rev. C 102, 014312 (2020) Q.Z.Chai, J.C.Pei, N.Fei, D.W.Guan Constraints on the neutron drip line with the newly observed 39Na NUCLEAR STRUCTURE 22,24,26,28,30O, 25,27,29,31,33F, 28,30,32,34,36,38Ne, 29,31,33,35,37,39,41Na, 30,32,34,36,38,40,42,44,46Mg, 33,35,37,39,41,43,45,47,49Al; calculated S(2n). 29,31F, 37,39Na; calculated proton and neutron density distributions. 30Ne, 31,39Na, 32,40Mg, 41Al; calculated deformation-potential energy curves for N=20 and 28 drip-line nuclei. Hartree-Fock-Bogoliubov (HFB) calculations using various Skyrme interactions, adopting the extended SkM*ext1 parametrization. Comparison with available experimental data. Relevance to experimental explorations of drip-line nuclei in the forthcoming Facility for Rare Isotope Beams (FRIB) and other rare-isotope beam facilities, such as recently observed weakly bound 39Na. 39Na; discussed deformed halo properties.
doi: 10.1103/PhysRevC.102.014312
2019HE08 Phys.Rev. C 99, 054318 (2019) C.Q.He, J.C.Pei, Y.Qiang, N.Fei Continuum damping effects in nuclear collisions associated with twisted boundary conditions NUCLEAR REACTIONS 24Mg(24Mg, X)48Cr*, E(cm)=29, 49, 69 MeV; calculated time evolution of kinetic energies, quadrupole moments and quadrupole deformation, expected values of angular momentum, and density distribution for head-to-head and side-to-side collisions. Time-dependent Skyrme Hartree-Fock calculations in 3D coordinate space, with twisted averaged boundary conditions (TABC) using Sky3D code.
doi: 10.1103/PhysRevC.99.054318
2019WA26 Phys.Rev.Lett. 123, 122501 (2019) Z.-A.Wang, J.Pei, Y.Liu, Y.Qiang Bayesian Evaluation of Incomplete Fission Yields NUCLEAR REACTIONS 227,229,232Th, 231Pa, 232,233,234,235,236,237,238U, 237,238Np, 238,239,240,241,242Pu, 241,243Am, 242,243,244,245,246,248Cm, 249,251Cf, 254Es, 255Fm(n, F), E not given; analyzed available data using from JENDL library; deduced missing fission yield values using the Bayesian neural network (BNN) approach.
doi: 10.1103/PhysRevLett.123.122501
2018CH31 Phys.Lett. B 781, 412 (2018) J.Chen, J.L.Lou, Y.L.Ye, Z.H.Li, D.Y.Pang, C.X.Yuan, Y.C.Ge, Q.T.Li, H.Hua, D.X.Jiang, X.F.Yang, F.R.Xu, J.C.Pei, J.Li, W.Jiang, Y.L.Sun, H.L.Zang, Y.Zhang, N.Aoi, E.Ideguchi, H.J.Ong, J.Lee, J.Wu, H.N.Liu, C.Wen, Y.Ayyad, K.Hatanaka, D.T.Tran, T.Yamamoto, M.Tanaka, T.Suzuki A new measurement of the intruder configuration in 12Be NUCLEAR REACTIONS 11Be(d, p), E=26.9 MeV/nucleon; measured reaction products, Ep, Ip; deduced σ(θ), low-lying isomeric 0+ states, J, π, spectroscopic factors. Comparison with available data.
doi: 10.1016/j.physletb.2018.04.016
2018CH38 Phys.Rev. C 98, 014616 (2018) J.Chen, J.L.Lou, Y.L.Ye, Z.H.Li, D.Y.Pang, C.X.Yuan, Y.C.Ge, Q.T.Li, H.Hua, D.X.Jiang, X.F.Yang, F.R.Xu, J.C.Pei, J.Li, W.Jiang, Y.L.Sun, H.L.Zang, Y.Zhang, G.Li, N.Aoi, E.Ideguchi, H.J.Ong, J.Lee, J.Wu, H.N.Liu, C.Wen, Y.Ayyad, K.Hatanaka, D.T.Tran, T.Yamamoto, M.Tanaka, T.Suzuki Low-lying states in 12Be using one-neutron transfer reaction NUCLEAR REACTIONS 1,2H(11Be, 11Be), (11Be, p), E=26.9 MeV/nucleon; measured recoils, Ep, Ip, p(θ), Eγ and Iγ from decay of recoils, (recoil)p-coin, differential σ(θ) for low-lying 0+, 2+ and 1- states in 12Be, half-life of excited 0+ isomer by decay-tagging method using (CH2)n and (CD2)n targets, annular silicon detectors (ADSSD) for protons, detector telescopes for charged particle detection, and scintillation detectors for γ detection, and isomer-tagging method at RCNP-Osaka. DWBA analysis of σ(θ) data. 12Be; deduced levels, J, π, spectroscopic factors, single-particle components in the g.s. and excited 0+ state. Comparison with shell-model calculations, and with previous experimental results. 11,12Be; calculated B(E2), B(E1), S(n) and S(2n) from shell-model, and compared with experimental data in literature.
doi: 10.1103/PhysRevC.98.014616
2018ZU01 Chin.Phys.C 42, 064106 (2018) Z.-W.Zuo, J.-C.Pei, X.-Y.Xiong, Y.Zhu Global analysis of Skyrme forces with higher-order density dependencies NUCLEAR STRUCTURE N<170; calculated binding energies, fission barriers, charge radii, equation of state. 240Pu; Comparison with available data.
doi: 10.1088/1674-1137/42/6/064106
2017WA30 Phys.Rev. C 96, 031301 (2017) K.Wang, M.Kortelainen, J.C.Pei Probing surface quantum flows in deformed pygmy dipole modes NUCLEAR STRUCTURE 40Mg; calculated transition strength functions of isovector dipole resonances, transition density distributions of pygmy and giant dipole resonances, neutron transition current density of pygmy dipole resonance (PDR), transition current density for neutron K=0 prolate GDR, neutron current density for K=1 oblate GDR, and proton current density for K=0 prolate PDR and K=0 prolate GDR; deduced surface flow patterns become more complicated as excitation energies increase. Fully self-consistent continuum finite-amplitude quasiparticle random phase approximation (FAM-QRPA) calculation in a large deformed spatial mesh.
doi: 10.1103/PhysRevC.96.031301
2017ZH44 Phys.Scr. 92, 114001 (2017) Towards microscopic studies of survival probabilities of compound superheavy nuclei NUCLEAR STRUCTURE 258No, 286Cn; calculated temperature-dependent fission barriers, level density and mass parameters, neutron emission and resonance widths. Skyrme-Hartree-Fock+BCS method.
doi: 10.1088/1402-4896/aa8c63
2016XI01 Phys.Rev. C 93, 024311 (2016) Extension and parametrization of high-order density dependence in Skyrme forces NUCLEAR STRUCTURE 16O, 36Mg, 40,48Ca, 50Cr, 56,78Ni, 100Zr, 120,132Sn, 160Gd, 176Hf, 198,208Pb, 236U, 252Fm, 260Sg; N=8-160; calculated binding energies of 603 even-even nuclei using axially symmetric Hartree-Fock+BCS solver SKYAX with the original SLy4, the refitted SLy4', and the extended SLy4 (global) parameter sets. Comparison with data in AME-2012.
doi: 10.1103/PhysRevC.93.024311
2016XI04 Chin.Phys.C 40, 024101 (2016) X.-Y.Xiong, J.-C.Pei, Y.-N.Zhang, Y.Zhu Study of weakly-bound odd-A nuclei with quasiparticle blocking NUCLEAR STRUCTURE 17,19B, 37Mg; calculated density distributions, pairing density distributions, emergence of deformed halo structures due to blocking effects. The coordinate-space Hartree-Fock-Bogoliubov (HFB) approach.
doi: 10.1088/1674-1137/40/2/024101
2016ZH28 Phys.Rev. C 94, 024329 (2016) Thermal fission rates with temperature dependent fission barriers RADIOACTIVITY 240Pu, 260Fm, 278Cn, 292Fl(SF); calculated SF half-lives and SF barriers as functions of β2 quadrupole deformation and temperature. Finite-temperature Skyrme-Hartree-Fock+BCS method, and mass parameters by temperature-dependent cranking approximation. Comparison with available SF half-life data. Relevance to fast-neutron reactors, astrophysical environments, and fusion reactions for superheavy nuclei.
doi: 10.1103/PhysRevC.94.024329
2015PE17 Phys.Rev. C 92, 064316 (2015) J.C.Pei, N.Fei, Y.N.Zhang, P.Schuck Generalized second-order Thomas-Fermi method for superfluid Fermi systems NUCLEAR STRUCTURE 238U; calculated binding energies and neutron pairing density within a quasiparticle energy interval from 25 to 65 MeV by extending the second-order Thomas-Fermi approximation of the Hartree-Fock-Bogoliubov solutions for superfluid systems by including the effective mass and the spin-orbit potential.
doi: 10.1103/PhysRevC.92.064316
2015XU10 Rom.J.Phys. 60, 829 (2015) F.Xu, S.Wang, J.Pei, W.Chen, Z.Xu Molecular Structures in Light Atomic Nuclei NUCLEAR STRUCTURE 7,8Li, 10Be; calculated energy levels, J, π, binding energies.
2015YA05 Phys.Rev. C 91, 024304 (2015) Z.H.Yang, Y.L.Ye, Z.H.Li, J.L.Lou, J.S.Wang, D.X.Jiang, Y.C.Ge, Q.T.Li, H.Hua, X.Q.Li, F.R.Xu, J.C.Pei, R.Qiao, H.B.You, H.Wang, Z.Y.Tian, K.A.Li, Y.L.Sun, H.N.Liu, J.Chen, J.Wu, J.Li, W.Jiang, C.Wen, B.Yang, Y.Liu, Y.Y.Yang, P.Ma, J.B.Ma, S.L.Jin, J.L.Han, J.Lee Helium-helium clustering states in 12Be NUCLEAR REACTIONS C(12Be, 12Be'), E=29 MeV/nucleon, [secondary 12Be beam from 9Be(16O, X), E=70 MeV/nucleon primary reaction]; measured 12Be particle spectra through reconstruction of 6He+6He and 4He+8He channels, (particle)(particle)-coin, time-of-flight (TOF), energy loss, angular correlations at HIRFL-RIBLL-Lanzhou facility. 12Be; deduced levels, J, π, widths, E0 matrix element strength for isoscalar monopole transition. DWBA analysis of angular correlation data.
doi: 10.1103/PhysRevC.91.024304
2014FU04 Phys.Rev. C 89, 054301 (2014) X.M.Fu, F.R.Xu, C.F.Jiao, W.Y.Liang, J.C.Pei, H.L.Liu Irregularity in Kπ = 8- rotational bands of N=150 isotones NUCLEAR STRUCTURE 246Cm, 248Cf, 250Fm, 252No; calculated levels J, π of two-quasiparticle states, deformations. 250Fm, 252No; calculated configuration-constrained total Routhian surfaces (CCTRS), kinetic and dynamic moments of inertia for two-quasiparticle rotational bands. Self-consistent total-Routhian-surface (TRS) model with particle-number-conserving method for pairing. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.054301
2014JI14 Phys.Rev. C 90, 054314 (2014) Beyond-mean-field calculations of collectivities of neutron-rich Fe and Cr isotopes NUCLEAR STRUCTURE 56,58,60,62,64,66,68Fe, 54,56,58,60,62,64,66Cr; calculated levels, J, π, deformation of ground states, B(E2) of collective states. 236,238,240,242,244Pu, 242,244,246,248,250Cm; calculated inner and outer fission barriers, angular-momentum-conserved potential energy surfaces (PES) incorporating angular-momentum projection into the macroscopic-microscopic model. Comparison with mean-field calculations and experimental data.
doi: 10.1103/PhysRevC.90.054314
2014PE15 Phys.Rev. C 90, 024317 (2014) J.C.Pei, G.I.Fann, R.J.Harrison, W.Nazarewicz, Y.Shi, S.Thornton Adaptive multi-resolution 3D Hartree-Fock-Bogoliubov solver for nuclear structure NUCLEAR STRUCTURE 110Mo; calculated single-neutron and proton wave functions, one-quasiparticle energies, occupations, chemical potential, and total energy, neutron density distributions, total binding energy, kinetic energy, spin-orbit-Coulomb-energy, mass rms radii and quadrupole moments. Nuclear density functional theory (DFT) based on adaptive multi-resolution 3D Hartree-Fock-Bogoliubov (HFB) solver using MADNESS-HFB. Parallel programming techniques using high-performance supercomputers. Comparison with other theoretical calculations.
doi: 10.1103/PhysRevC.90.024317
2014PE19 Phys.Rev. C 90, 051304 (2014) J.C.Pei, M.Kortelainen, Y.N.Zhang, F.R.Xu Emergent soft monopole modes in weakly bound deformed nuclei NUCLEAR STRUCTURE 100Zr, 38,40,42,44Mg; calculated isoscalar monopole strengths using finite amplitude method for the quasiparticle random-phase approximation (FAM-QRPA) based on HFB-AX and HFBTHO codes for 100Zr and based on HFB-AX using the SLy4 and SkM* interactions for Mg isotopes. Evidence of enhanced soft monopole strengths and collectivity.
doi: 10.1103/PhysRevC.90.051304
2014YA08 Phys.Rev.Lett. 112, 162501 (2014) Z.H.Yang, Y.L.Ye, Z.H.Li, J.L.Lou, J.S.Wang, D.X.Jiang, Y.C.Ge, Q.T.Li, H.Hua, X.Q.Li, F.R.Xu, J.C.Pei, R.Qiao, H.B.You, H.Wang, Z.Y.Tian, K.A.Li, Y.L.Sun, H.N.Liu, J.Chen, J.Wu, J.Li, W.Jiang, C.Wen, B.Yang, Y.Y.Yang, P.Ma, J.B.Ma, S.L.Jin, J.L.Han, J.Lee Observation of Enhanced Monopole Strength and Clustering in 12Be NUCLEAR REACTIONS 12C(12Be, X)4He/6He/8He, E=29 MeV/nucleon; measured reaction products, Eα, Iα, fragment coin.; deduced resonant state, J, π, enhanced monopole matrix element, cluster decay branching ratio, angular correlations. Comparison with energy-spin systematics, generalized two-center cluster model, DWBA calculations.
doi: 10.1103/PhysRevLett.112.162501
2014ZH38 Phys.Rev. C 90, 054316 (2014) Microscopic description of neutron emission rates in compound nuclei NUCLEAR STRUCTURE 238,258U; calculated neutron density distributions, neutron gas density emission widths, entropy, excited energies, neutron Fermi energies at different temperatures. 278Cn, 292Fl; calculated neutron gas density and emission widths at different temperatures. Finite-temperature HFB (FT-HFB) approach for neutron emission rates from deformed compound nuclei.
doi: 10.1103/PhysRevC.90.054316
2013BO19 Comput.Phys.Commun. 184, 085101 (2013) S.Bogner, A.Bulgac, J.Carlson, J.Engel, G.Fann, R.J.Furnstahl, S.Gandolfi, G.Hagen, M.Horoi, C.Johnson, M.Kortelainen, E.Lusk, P.Maris, H.Nam, P.Navratil, W.Nazarewicz, E.Ng, G.P.A.Nobre, E.Ormand, T.Papenbrock, J.Pei, S.C.Pieper, S.Quaglioni, K.J.Roche, J.Sarich, N.Schunck, M.Sosonkina, J.Terasaki, I.Thompson, J.P.Vary, S.M.Wild Computational nuclear quantum many-body problem: The UNEDF project NUCLEAR REACTIONS 3He(d, p), 7Be(p, γ), E<1MeV; 172Yb, 188Os, 238U(γ, X), E<24 MeV; calculated σ. Comparison with experimental data. NUCLEAR STRUCTURE 100Zr; calculated quadrupole deformation parameter, radii, neutron separation energy.
doi: 10.1016/j.cpc.2013.05.020
2013FU05 Phys.Rev. C 87, 044319 (2013) X.M.Fu, F.R.Xu, J.C.Pei, C.F.Jiao, Y.Shi, Z.H.Zhang, Y.A.Lei Configuration-constrained total Routhian surfaces with particle-number-conserving pairing NUCLEAR STRUCTURE 176Hf, 178W; calculated configuration-constrained total Routhian surfaces (TRS), particle-number-conserving pairing, moments of inertia, levels, J, π, K, β2, β4, γ deformation parameters of high-K multi-quasiparticle rotational bands, pairing energies, proton and neutron occupation probability. TRS calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.87.044319
2013PE06 Phys.Rev. C 87, 051302 (2013) Evolution of surface deformations of weakly bound nuclei in the continuum NUCLEAR STRUCTURE 38Ne, 40,44Mg, 100,106,110Ge, 212,218,224Er; Z=32, N=58-76; Z=68, N=136-154; calculated neutron and proton density profiles, neutron and proton pairing density, quadrupole deformation of neutrons, isovector deformation, smoothed occupation numbers of neutron quasiparticle states. Skyrme-HFB approach. Halo structure in 38Ne and deformed halo in 110Ge.
doi: 10.1103/PhysRevC.87.051302
2013WA02 Phys.Rev. C 87, 014311 (2013) Spectroscopic calculations of cluster nuclei above double shell closures with a new local potential NUCLEAR STRUCTURE 20,22Ne, 44,46,52,54Ti, 60,62Zn, 136,138Te, 212Po; calculated levels, B(E2), α-decay widths, using binary cluster potential with a new local potential. Comparison with experimental data.
doi: 10.1103/PhysRevC.87.014311
2013XU04 Acta Phys.Pol. B44, 271 (2013) F.R.Xu, H.L.Liu, Y.Shi, H.L.Wang, P.M.Walker, S.Frauendorf, J.C.Pei New Studies on the Aspects of Nuclear Shapes NUCLEAR STRUCTURE 158Er, 252,250Fm, 254,252No, 256,254Rf, 66,68,70,72Ge; calculated moment of inertia, quadrupole deformation parameters, tilted crancking total Routhians.
doi: 10.5506/APhysPolB.44.271
2013ZH50 Phys.Rev. C 88, 054305 (2013) Hartree-Fock-Bogoliubov descriptions of deformed weakly bound nuclei in large coordinate spaces NUCLEAR STRUCTURE 34,36,38Ne, 40,42,44Mg; calculated Neutron density and neutron pairing density profiles with different box sizes, smoothed particle and pairing occupation numbers of neutron quasiparticle states. 178,180,182,184,186,188,190,192,194,196,198,200Nd; calculated neutron Fermi energies. Deformed halos and peninsulas of stability beyond drip lines. Skyrme Hartree-Fock-Bogoliubov (HFB) approach in large coordinate-space boxes for weakly bound deformed nuclei.
doi: 10.1103/PhysRevC.88.054305
2012LI46 Phys.Scr. T150, 014022 (2012) α-decay calculations of superheavy nuclei with a folded Woods-Saxon potential RADIOACTIVITY 246,248,250,252,254,256Fm, 252,254,256No, 256Rf, 260,266Sg, 264,266,270Hs, 270Ds, 284Cn, 288Fl, 292Lv(α); calculated T1/2. Comparison with experimental data.
doi: 10.1088/0031-8949/2012/T150/014022
2012SH07 Phys.Rev.Lett. 108, 092501 (2012) Y.Shi, J.Dobaczewski, S.Frauendorf, W.Nazarewicz, J.C.Pei, F.R.Xu, N.Nikolov Self-Consistent Tilted-Axis-Cranking Study of Triaxial Strongly Deformed Bands in 158Er at Ultrahigh Spin NUCLEAR STRUCTURE 158Er; calculated lowest and total Routhian surface, relative energies of configurations, charge and transition quadrupole moments, angular momenta for bands. Skyrme-Hartree-Fock model.
doi: 10.1103/PhysRevLett.108.092501
2011NI06 Phys.Rev. C 83, 034305 (2011) N.Nikolov, N.Schunck, W.Nazarewicz, M.Bender, J.Pei Surface symmetry energy of nuclear energy density functionals NUCLEAR STRUCTURE 192,194Hg, 192,194,196Pb, 236,238U, 240Pu, 242Cm; calculated deformation energies versus deformation parameter, 0+ superdeformed bandhead energies in Hg and Pb nuclei, and fission isomers in actinides. 236,248,260,270,298U; calculated contributions of the Coulomb, surface symmetry, curvature, and surface terms of fission isomers. 100Sn, 100Zr; calculated contribution to the total deformation energy per nucleon. Nuclear energy density functional (EDF) theory applied to examine the role of the surface symmetry energy in nuclei using various Skyrme energy density functionals (EDFs). Comparison with experimental data.
doi: 10.1103/PhysRevC.83.034305
2011PE18 Phys.Rev. C 84, 024311 (2011) J.C.Pei, A.T.Kruppa, W.Nazarewicz Quasiparticle continuum and resonances in the Hartree-Fock-Bogoliubov theory NUCLEAR STRUCTURE 70Zn; calculated continuum contributions, binding energy as a function of low-energy quasiparticle neutron cutoff, Occupation numbers of the discretized neutron quasiparticle continuum states, phase shifts of neutron 1s1/2 state, deep-hole HFB resonance widths and energies. 90Ni; HFB neutron resonance energies and widths, phase shift of the neutron 1p3/2 resonance. 84,86,88,90Ni; calculated continuum contributions. Hartree-Fock-Bogoliubov (HFB) equations, Thomas-Fermi approximation for quasiparticle continuum, HFB resonances and deep-hole states.
doi: 10.1103/PhysRevC.84.024311
2010PE08 Nucl.Phys. A834, 381c (2010) J.C.Pei, W.Nazarewicz, J.A.Sheikh, A.K.Kerman Fission barriers and neutron gas in compound superheavy nuclei NUCLEAR STRUCTURE 278Cn, 292Fl; calculated fission barriers, related features using the finite-temperature Hartree-Fock-Bogoliubov method.
doi: 10.1016/j.nuclphysa.2010.01.045
2009PE10 Phys.Rev.Lett. 102, 192501 (2009) J.C.Pei, W.Nazarewicz, J.A.Sheikh, A.K.Kerman Fission Barriers of Compound Superheavy Nuclei NUCLEAR STRUCTURE 264Fm, 272Ds, 278Cn, 292Fl, 312124; calculated isentropic fission barriers. Self-consistent nuclear density functional theory.
doi: 10.1103/PhysRevLett.102.192501
2009PE32 Eur.Phys.J. A 42, 595 (2009) J.C.Pei, W.Nazarewicz, M.Stoitsov Coordinate-space Hartree-Fock-Bogoliubov description of superfluid Fermi systems NUCLEAR STRUCTURE 34,36,38,40,42Mg; calculated quadrupole moments, binding energy, two-neutron separation energy, related features. Comparison with another method.
doi: 10.1140/epja/i2009-10797-2
2009SH26 Phys.Rev. C 80, 011302 (2009) J.A.Sheikh, W.Nazarewicz, J.C.Pei Systematic study of fission barriers of excited superheavy nuclei NUCLEAR STRUCTURE Z=110-124, N=166-188; calculated thermal fission barriers of superheavy nuclei as a function of excitation energy and inverse barrier damping parameters based on the FT-HF+BCS extension of the solver HFODD. 240Pu, 256Fm; calculated quenching of triaxial and reflection asymmetric deformations with excitation energy and fission pathways. Finite-temperature Self-consistent Hartree-Fock + Bardeen-Cooper-Scheiffer (FT-HF+BCS) calculations.
doi: 10.1103/PhysRevC.80.011302
2008PE29 Phys.Rev. C 78, 064306 (2008) J.C.Pei, M.V.Stoitsov, G.I.Fann, W.Nazarewicz, N.Schunck, F.R.Xu Deformed coordinate-space Hartree-Fock-Bogoliubov approach to weakly bound nuclei and large deformations NUCLEAR STRUCTURE 90Ni, 102,110Zr, 120Sn; calculated pairing energies. 84,86,88,90Ni; calculated pairing densities. 240Pu; calculated fission path. Hartree-Fock-Bogoliubov calculations.
doi: 10.1103/PhysRevC.78.064306
2008QI04 Int.J.Mod.Phys. E17, 1955 (2008) C.Qi, R.Z.Du, Y.Gao, J.C.Pei, J.Y.Zhu, F.R.Xu Proton resonance properties in light nuclei with mean-field type potentials NUCLEAR STRUCTURE 11B, 11C, 11N, 14N, 14O, 15,16F, 18,19Na; calculated energies, J, π, Q-values for proton resonances using a mean-field model.
doi: 10.1142/S0218301308010933
2007PE26 Phys.Lett. B 650, 224 (2007) Helium-cluster decay widths of molecular states in beryllium and carbon isotopes NUCLEAR STRUCTURE 8,10,12Be, 12,13,14C, 20Ne; calculated α-decay and cluster decay widths; deduced T1/2. Self-consistent mean-field model, folding form cluster potential.
doi: 10.1016/j.physletb.2007.05.018
2007PE30 Phys.Rev. C 76, 044326 (2007) J.C.Pei, F.R.Xu, Z.J.Lin, E.G.Zhao α-decay calculations of heavy and superheavy nuclei using effective mean-field potentials RADIOACTIVITY 166,168,170,172,174,176,178,180,182Pt, 172,174,176,178,180,182,184,186,188Hg, 178,180,182,184,186,188,190,192,194,210Pb, 188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218Po, 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, 210,212,214,216,218,220,222,224,226,228,230Th, 218,220,222,224,226,228,230,232,234,236U, 228,230,232,234,236,238,240,242,244Pu, 238,240,242,244,246,248Cm, 240,242,244,246,248,250,252,254Cf, 246,248,250,252,254,256Fm, 252,254,256No, 254,256,258Rf, 258,260,262Sg, 264,266,270Hs, 270Ds, 286,288Fl, 292Lv, 294Og(α); calculated half-lives, deformation parameters, α-clustering spectroscopic factors, comparisons with experimental half-lives.
doi: 10.1103/PhysRevC.76.044326
2006PE01 Nucl.Phys. A765, 29 (2006) J.C.Pei, F.R.Xu, P.D.Stevenson Deformation effects on the structures of N = 7 halo nuclei NUCLEAR STRUCTURE 9He, 11Be, 13C, 15O; calculated particle density distributions, binding energies, radii. Skyrme-Hartree-Fock model.
doi: 10.1016/j.nuclphysa.2005.10.004
2006XU15 Phys.Lett. B 642, 322 (2006) Mean-field cluster potentials for various cluster decays NUCLEAR STRUCTURE 104,106,108,110Te, 110,112Xe, 112,114Ba, 212Po, 222,224,226Ra, 228,230Th, 232,234U, 236,238Pu; calculated α and cluster decay widths; deduced T1/2. 16Ne, 38Ti; calculated di-proton cluster decay width; deduced T1/2. Self-consistent mean-field model, folding form cluster potential.
doi: 10.1016/j.physletb.2006.09.048
2005PE04 Phys.Rev. C 71, 034302 (2005) J.C.Pei, F.R.Xu, P.D.Stevenson Density distributions of superheavy nuclei NUCLEAR STRUCTURE 254,256,258Rf, 258,260,266Sg, 264,266,270Hs, 270Ds, 284Cn, 288,298Fl, 292Lv; calculated deformation parameters, radii, Qα. 208Pb, 270,280,290Ds, 286,292,298,304,310Fl, 292120; calculated particle density distributions. Skyrme-Hartree-Fock model.
doi: 10.1103/PhysRevC.71.034302
2005XU08 J.Phys.(London) G31, S1541 (2005) F.R.Xu, J.C.Pei, P.D.Stevenson Densities of superheavy nuclei at closed shells NUCLEAR STRUCTURE Z=114; Z=120; Z=126; calculated matter density distributions.
doi: 10.1088/0954-3899/31/10/028
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