NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = Q.B.Chen Found 76 matches. 2024CH13 Phys.Rev. C 109, 024308 (2024) g factor of chiral doublets with π(1h11/2)1 × ν(1h11/2)-1 configuration
doi: 10.1103/PhysRevC.109.024308
2024GA07 Phys.Rev. C 109, 024307 (2024) T.J.Gao, J.-B.Lu, Y.Ma, Y.Zhang, S.Q.Zhang, H.D.Wang, J.-Q.Liu, P.-Y.Yang, Zh.Ren, Ch.-Q.Li, Q.B.Chen, Z.C.Gao, J.Li, K.Y.Ma, G.Dong Evidence for possible multiple chiral doublet bands with identical configuration in the odd-odd nucleus 126Cs
doi: 10.1103/PhysRevC.109.024307
2024GU06 Phys.Rev.Lett. 132, 092501 (2024) R.J.Guo, S.Y.Wang, C.Liu, R.A.Bark, J.Meng, S.Q.Zhang, B.Qi, A.Rohilla, Z.H.Li, H.Hua, Q.B.Chen, H.Jia, X.Lu, S.Wang, D.P.Sun, X.C.Han, W.Z.Xu, E.H.Wang, H.F.Bai, M.Li, P.Jones, J.F.Sharpey-Schafer, M.Wiedeking, O.Shirinda, C.P.Brits, K.L.Malatji, T.Dinoko, J.Ndayishimye, S.Mthembu, S.Jongile, K.Sowazi, S.Kutlwano, T.D.Bucher, D.G.Roux, A.A.Netshiya, L.Mdletshe, S.Noncolela, W.Mtshali Evidence for Chiral Wobbler in Nuclei NUCLEAR REACTIONS 58Ni(19F, n2p)74Br, E=62 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, the angular distribution from oriented state (ADO) ratios and linear polarization values for the representative linking transitions between bands, level T1/2, partial level scheme, J, π, B(E2), bands, one-phonon wobbling excitation built on the yrast band. Doppler-shift-attenuation method, the detector array AFRODITE.
doi: 10.1103/PhysRevLett.132.092501
2024HU02 Phys.Rev. C 109, L021302 (2024) Static quadrupole moment as a criterion to distinguish chiral modes
doi: 10.1103/PhysRevC.109.L021302
2024SA09 Phys.Rev. C 109, 024319 (2024) A.Saracino, S.Zhu, N.Sensharma, A.D.Ayangeakaa, R.V.F.Janssens, Q.B.Chen, M.P.Carpenter, P.Chowdhury, A.Gade, F.G.Kondev, T.M.Kowalewski, T.Lauritsen, E.A.McCutchan, D.Seweryniak Collective modes of excitation in 64Cu
doi: 10.1103/PhysRevC.109.024319
2024XU03 Phys.Rev. C 109, 024324 (2024) H.-T.Xue, Q.B.Chen, J.-W.Cui, C.-F.Chen, H.-J.Schulze, X.-R.Zhou Structure of low-lying states of 12C and 13ΛC in a beyond-mean-field approach
doi: 10.1103/PhysRevC.109.024324
2023DA18 Phys.Rev. C 108, 054306 (2023) First exploration of wobbling modes in an isotone chain: The N=59 case
doi: 10.1103/PhysRevC.108.054306
2023LI59 Phys.Rev. C 108, 064312 (2023) Y.-X.Liu, C.F.Chen, Q.B.Chen, H.-T.Xue, H.-J.Schulze, X.-R.Zhou Deformed charmed hypernuclei
doi: 10.1103/PhysRevC.108.064312
2023XU03 Phys.Rev. C 107, 044317 (2023) H.-T.Xue, Y.-F.Chen, Q.B.Chen, Y.A.Luo, H.-J.Schulze, X.-R.Zhou Deformation and spin-orbit splitting of Λ hypernuclei in the Skyrme-Hartree-Fock approach NUCLEAR STRUCTURE 12,13C, 16O, 28Si, 32S, 40Ca, 51V, 89Y, 139La, 208Pb; calculated Λ separation energy for hypernuclei, two-dimensional density distributions of Λ orbits, potential energy surfaces, quadrupole deformations of core nucleus and Λ orbitals, Λ spin-orbit slitting. Deformed Skyrme-Hartree-Fock (DSHF) approach with SLy4 NN and SLL4 ΛN interactions. Discussed spin symmetry in the hyperon spectrum. Comparison to available experimental data.
doi: 10.1103/PhysRevC.107.044317
2022AY02 Phys.Rev. C 105, 054315 (2022) A.D.Ayangeakaa, N.Sensharma, M.Fulghieri, R.V.F.Janssens, Q.B.Chen, S.Zhu, M.Alcorta, M.P.Carpenter, P.Chowdhury, A.Gade, C.R.Hoffman, F.G.Kondev, T.Lauritsen, E.A.McCutchan, A.M.Rogers, D.Seweryniak Single-particle and collective excitations in 66Zn NUCLEAR REACTIONS 26Mg(48Ca, 4nα), E=275, 290, 320 MeV; measured Eγ, Iγ, γ(θ), γγ-coin. 66Zn; deduced levels, J, π, angular correlation ratios, experimental angular distribution coefficients, δ, rotational bands structure, high-spin states. Comparison to spherical shell-model calculations using the jj44b and JUN45 effective interactions. Experimental data on rotational band is compared to the calculations made within configuration-fixed constrained covariant density functional theory (CDFT) and the quantum particle rotor model (PRM) formalism. Systematics for superderformed bands in 60Zn, 66Zn, 68Zn, 68Ge. Gammasphere array with 101 detectors in conjunction with the fragment mass analyzer (FMA) and a microchannel plate (MCP) detector at ATLAS accelerator (ANL).
doi: 10.1103/PhysRevC.105.054315
2022CH13 Eur.Phys.J. A 58, 21 (2022) Y.F.Chen, X.-R.Zhou, Q.B.Chen, Y.-Y.Cheng Lambda binding energies in the Skyrme-Hartree-Fock approach with various ΛN interactions NUCLEAR STRUCTURE 5,6He, 8He, 7,8,9Li, 7,8,9,10Be, 9,10,11,12B, 12,13,14C, 15,16N, 16O, 28Si, 32S, 40Ca, 51V, 89Y, 139La, 208Pb; calculated hypernuclei binding energies, deformation parameters, local mean fields in the framework of the Skyrme-Hartree-Fock (SHF) approach. Comparison with available data.
doi: 10.1140/epja/s10050-022-00672-3
2022CH22 Eur.Phys.J. A 58, 75 (2022), Erratum Eur.Phys.J. A 58, 174 (2022) Study of wobbling modes by means of spin coherent state maps
doi: 10.1140/epja/s10050-022-00727-5
2022CH36 Chin.Phys.C 46, 064109 (2022) C.F.Chen, Q.B.Chen, X.-R.Zhou, Y.Y.Chen, J-W.Cui, H.-J.Schulze Effects of Λ hyperons on the deformations of even-even nuclei NUCLEAR STRUCTURE 8Be, 12C, 16O, 20Ne, 24Mg, 28Si, 32S, 36Ar, 40Ca, 22,24,26,28Ne, 30,32,34,36Si, 42,44,46,48Ca; calculated potential energy surfaces as functions of quadrupole deformation, hyperon s.p. energy levels as function of quadrupole deformation, density distributions for the occupied s.p. orbits using the deformed Skyrme-Hartree-Fock approach.
doi: 10.1088/1674-1137/ac5b58
2022GR05 Phys.Rev. C 106, 014318 (2022) E.Grodner, M.Kowalczyk, M.Kisielinski, J.Srebrny, L.Prochniak, Ch.Droste, S.G.Rohozinski, Q.B.Chen, M.Ionescu-Bujor, C.A.Ur, F.Recchia, J.Meng, S.Q.Zhang, P.W.Zhao, G.Georgiev, R.Lozeva, E.Fiori, S.Aydin, A.Nalecz-Jawecki Examination of nuclear chirality with a magnetic moment measurement of the I=9 isomeric state in 128Cs NUCLEAR MOMENTS 128mCs; measured Eγ, γ-intensity oscillation spectra, oscillating ratios, Larmor frequency of precession with a magnetic field of about 0.7 T, time differential perturbed angular distribution (TDPAD) of γ rays from the isomer using 122Sn(10B, 4n)128Cs, E=55 MeV reaction at the Tandem accelerator of IPN Orsay; deduced g-factor and configuration of the isomeric 9+ bandhead of the yrast states. Comparison with theoretical predictions for shell-model configurations, and chiral interpretation of 128Cs nucleus as a composition of the odd proton, odd neutron, and even-even core with their angular momentum vectors. NUCLEAR STRUCTURE 128Cs; calculated levels, J, π, bands, B(E2), B(M1), g factors using quantum angular momentum algebra and semiclassical calculations, in the framework of many-particle-many-hole Particle Triaxial Rotor Model. Evidence for the existence of chiral critical frequency, and absence of chiral doublet members for J<13 states.
doi: 10.1103/PhysRevC.106.014318
2022GU03 Phys.Rev. C 105, 034322 (2022) J.Guo, C.F.Chen, X.-R.Zhou, Q.B.Chen, H.-J.Schulze ΛΛ pairing effects in spherical and deformed multi-Λ hyperisotopes NUCLEAR STRUCTURE 6He, 10,11,12Be, 12,13B, 40Ca, 132Sn, 208Pb, 24Mg, 56Fe, 104Zr; calculated ΛΛ separation energies (S(2Λ)) double-Λ hypernuclei. 40,46Ca, 132,160Sn, 208,272Pb, 24Mg, 56Fe, 104Zr; calculated pairing gaps, pairing energies of hypernuclei. 130Zr; calculated deformation dependence of single-particle level energies, pairing gap and occupation probabilities of hypernuclei. 278Pb; calculated Λ hyperon potentil; single-particle levels. Skyrme-Hartree-Fock approach with Skyrme force SLy5 for the NN interaction, the Nijmegen interaction NSC97f for the ΛN interaction, and the empirical prescription EmpC for the ΛΛ interaction. Comparison to available experimental data.
doi: 10.1103/PhysRevC.105.034322
2022GU11 Chin.Phys.C 46, 064106 (2022) J.Guo, D.H.Chen, X.-R.Zhou, Q.B.Chen, H.-J.Schulze Effects of a kaonic meson on the ground-state properties of nuclei NUCLEAR STRUCTURE 5,6,7,8,9,10,11,12,13,14,15,16,17,18Be, 11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28O, 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34Ne; calculated energies of the highest-occupied nucleon s.p. levels, partial neutron and proton s.p. levels within an axially-deformed Skyrme-Hartree-Fock approach combined with a Skyrme-type kaon-nucleon interaction.
doi: 10.1088/1674-1137/ac5601
2022MU09 Phys.Lett. B 827, 137006 (2022) L.Mu, S.Y.Wang, C.Liu, B.Qi, R.A.Bark, J.Meng, S.Q.Zhang, P.Jones, S.M.Wyngaardt, H.Jia, Q.B.Chen, Z.Q.Li, S.Wang, D.P.Sun, R.J.Guo, X.C.Han, W.Z.Xu, X.Xiao, P.Y.Zhu, H.W.Li, H.Hua, X.Q.Li, C.G.Li, R.Han, B.H.Sun, L.H.Zhu, T.D.Bucher, B.V.Kheswa, N.Khumalo, E.A.Lawrie, J.J.Lawrie, K.L.Malatji, L.Msebi, J.Ndayishimye, J.F.Sharpey-Schafer, O.Shirinda, M.Wiedeking, T.Dinoko, S.S.Ntshangase First observation of the coexistence of multiple chiral doublet bands and pseudospin doublet bands in the A ≈ 80 mass region NUCLEAR REACTIONS 82Se(α, X)81Kr, E=65, 68 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, two nearly degenerate positive-parity bands. Comparison with the constrained covariant density functional theory and the multiparticle plus rotor model calculations.
doi: 10.1016/j.physletb.2022.137006
2022PE03 Phys.Rev. C 105, 044318 (2022) Evolution of the chiral rotation mode in rhodium isotopes NUCLEAR STRUCTURE 102,103,104,105,106,107Rh; calculated total Routhian curves, orientation angles for the total angular momentum, B(M1)/B(E2), kinetic and dynamic moments of inertia, rotational bands structure, configurations. Three-dimensional tilted axis cranking calculations with constrained density functional theory (3D-TAC CDFT). Comparison to experimental data.
doi: 10.1103/PhysRevC.105.044318
2022SE03 Phys.Rev. C 105, 044315 (2022) N.Sensharma, A.D.Ayangeakaa, R.V.F.Janssens, Q.B.Chen, S.Zhu, M.Alcorta, M.P.Carpenter, E.A.McCutchan, F.G.Kondev, T.Lauritsen, D.Seweryniak, C.R.Hoffman, A.M.Rogers, A.Gade, T.Baugher, P.Chowdhury Single-particle and dipole excitations in 62Co NUCLEAR REACTIONS 26Mg(48Ca, 3np2α), E=275, 290, 320 MeV; measured Eγ, Iγ, γ(θ), γγ-coin. 62Co; deduced levels, J, π, angular correlation ratios, experimental angular distribution coefficients, multipolarities, rotational bands structures. Comparison to shell-model calculations using the GXPF1A two-body effective interaction. Systematics for magnetic rotational bands in 60Co, 61Co, 62Co, 58Fe. Gammasphere array with 101 detectors in conjunction with the fragment mass analyzer (FMA) and a microchannel plate (MCP) detector at ATLAS accelerator (ANL).
doi: 10.1103/PhysRevC.105.044315
2022WA12 Phys.Rev. C 105, 044316 (2022) Interpretation of enhanced electric dipole transitions in 73Br by the reflection-asymmetric triaxial particle rotor model NUCLEAR STRUCTURE 73Br; calculated potential energy surface, levels, J, π, B(E2), B(E1), positive and negative parity bands structures, proton single-particle levels. Investigated octupole correlations. Reflection-asymmetric triaxial version of particle rotor model (RAT-PRM). Comparison to experimental data.
doi: 10.1103/PhysRevC.105.044316
2022XU11 Phys.Rev. C 106, 044306 (2022) H.-T.Xue, Q.B.Chen, X.-R.Zhou, Y.Y.Cheng, H.-J.Schulze Deformation and hyperon halo in hypernuclei NUCLEAR STRUCTURE 11,13,15,17,19,21,23C, 10Li, 11Be, 12B, 14N, 15O, 16F, 17Ne; calculated potential energy surface, deformation parameters for hypernucleus and Λ hyperon, Λ removal energy, density distributions of spherical and deformed Λ 1p states, rms radii. Deformed Skyrme-Hartree-Fock approach with combinations of the NN interactions SIII, SGII, SkI4 and the ΛN interactions LY1 and SLL4.
doi: 10.1103/PhysRevC.106.044306
2021BR08 Eur.Phys.J. A 57, 161 (2021) C.Broocks, Q.B.Chen, N.Kaiser, Ulf-G.Meissner g-Factor and static quadrupole moment of 135Pr, 105Pd, and 187Au in wobbling motion NUCLEAR STRUCTURE 135Pr, 105Pd, 187Au; analyzed available data; deduced g-factor and static quadrupole moment using the particle-rotor model as functions of the total spin I.
doi: 10.1140/epja/s10050-021-00482-z
2021HU26 Phys.Rev. C 104, 064325 (2021) Possible existence of multiple wobbling modes in A ≈ 60 nuclei NUCLEAR STRUCTURE 57,58,59,60,61,62Ni; calculated single-proton and single-neutron energy levels near the Fermi surface of the ground states, potential energy curves, energies, deformation parameters β and γ and the corresponding configurations for wobbling motion in adiabatic and configuration-fixed constrained triaxial covariant density functional theory (CDFT). 62Ni; calculated energies of the lowest bands based on the configuration νg9/22, root mean square angular momentum components along the medium, short, and long axes of the rotor, valence neutrons, and total angular momentum, probability density profiles for the orientation of the angular momentum on the plane for the doublet bands using combination of the covariant density functional theory and quantum particle rotor model; suggested transverse wobbling in semimagic nucleus 62Ni. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.064325
2021QI07 J.Phys.(London) G48, 055102 (2021) B.Qi, H.Zhang, S.Y.Wang, Q.B.Chen Influence of triaxial deformation on wobbling motion in even-even nuclei NUCLEAR STRUCTURE 110Ru; analyzed available data; deduced energy levels, J, π, influence of triaxial deformation on the purely collective form of wobbling motion.
doi: 10.1088/1361-6471/abcdf7
2021RA31 Phys.Rev. C 104, 064316 (2021) S.Rajbanshi, R.Palit, R.Raut, Y.Y.Wang, Z.X.Ren, J.Meng, Q.B.Chen, S.Ali, H.Pai, F.S.Babra, R.Banik, S.Bhattacharya, S.Bhattacharyya, P.Dey, S.Malik, G.Mukherjee, Md.S.R.Laskar, S.Nandi, R.Santra, T.Trivedi, S.S.Ghugre, A.Goswami Evidence of octupole correlation in 79Se NUCLEAR REACTIONS 76Ge(9Be, 2nα)79Se, E≈31 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(θ)(ADO ratios), γγ(linear polarization), T1/2 of levels by DSAM using INGA array of 14 Compton-suppressed clover detectors at the TIFR Pelletron Linac Facility. 79Se; deduced high-spin levels, J, π, multipolarities, multipole mixing ratios, B(M1), B(E2), B(E1)/B(E2) ratios, intrinsic dipole moments, octupole correlation; calculated potential energy surface in (β20, β30) plane based on the covariant density functional theory. Comparison of measured transition probabilities with reflection asymmetric triaxial particle rotor model (RAT-PRM) calculations.
doi: 10.1103/PhysRevC.104.064316
2021WA19 Phys.Rev. C 103, 034301 (2021) E.H.Wang, J.H.Hamilton, A.V.Ramayya, C.J.Zachary, A.Lemasson, A.Navin, M.Rejmund, S.Bhattacharyya, Q.B.Chen, S.Q.Zhang, J.M.Eldridge, J.K.Hwang, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot Pseudospin-doublet bands and Gallagher Moszkowski doublet bands in 100Y RADIOACTIVITY 252Cf(SF); measured Eγ, γγγ-, and γγγγ-coin using Gammasphere array at LBNL. 100Y; deduced levels, J, π, bands, configurations. NUCLEAR REACTIONS 9Be(238U, F)100Y, E=6.2 MeV/nucleon; measured Eγ, γγ-coin, A- and Z-gated γ spectra using VAMOS++ spectrometer and EXOGAM array at GANIL facility. 100Y; deduced high-spin levels, J, π, rotational bands, B(M1)/B(E2), configurations, moments of inertia plots. Comparison with particle-rotor model calculations. NUCLEAR STRUCTURE 100Y; calculated potential-energy surface in the (β2, γ) plane, levels, J, π, bands, in-band B(M1), B(E2), B(M1)/B(E2), rms components of the angular momentum versus spin. Constrained triaxial covariant density-functional theory (CDFT) and quantal particle rotor model (PRM) calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.103.034301
2020CH27 Phys.Lett. B 807, 135596 (2020) Q.B.Chen, S.Frauendorf, N.Kaiser, U.-G.Meissner, J.Meng g-factor and static quadrupole moment for the wobbling mode in 133La NUCLEAR MOMENTS 133La; calculated g-factor and static quadrupole moment for the wobbling mode, angular momentum, probability distributions for the rotor angular momentum.
doi: 10.1016/j.physletb.2020.135596
2020GU21 Phys.Rev. C 102, 044320 (2020) S.Guo, C.M.Petrache, D.Mengoni, Y.X.Liu, Q.B.Chen, Y.H.Qiang, A.Astier, E.Dupont, K.K.Zheng, J.G.Wang, B.Ding, B.F.Lv, M.L.Liu, Y.D.Fang, X.H.Zhou, D.Bazzacco, A.Boso, A.Goasduff, F.Recchia, D.Testov, F.Galtarossa, G.Jaworski, D.R.Napoli, S.Riccetto, M.Siciliano, J.J.Valiente-Dobon, C.Andreoiu, F.H.Garcia, K.Ortner, K.Whitmore, B.Cederwall, E.A.Lawrie, I.Kuti, D.Sohler, T.Marchlewski, J.Srebrny, A.Tucholski Pseudospin partner bands in 130Ba NUCLEAR REACTIONS 122Sn(13C, 5n), E=65 MeV; measured Eγ, Iγ, γγ-, (particle)γ, nγ-coin, γγ(θ) at two points using the GALILEO array coupled to the EUCLIDES and Neutron Wall detector arrays at the XTU Tandem accelerator of LNL-Legnaro. 130Ba; deduced high-spin levels, J, π, multipolarities, mixing ratios, bands, B(M1)/B(E2), alignment plots, moments of inertia, signature and pseudospin splittings of bands, configurations. Comparison with projected shell model (PSM) and the particle rotor model (PRM) calculations.
doi: 10.1103/PhysRevC.102.044320
2020NA27 Phys.Rev.Lett. 25, 132501 (2020) S.Nandi, G.Mukherjee, Q.B.Chen, S.Frauendorf, R.Banik, S.Bhattacharya, S.Dar, S.Bhattacharyya, C.Bhattacharya, S.Chatterjee, S.Das, S.Samanta, R.Raut, S.S.Ghugre, S.Rajbanshi, S.Ali, H.Pai, M.A.Asgar, S.Das Gupta, P.Chowdhury, A.Goswami First Observation of Multiple Transverse Wobbling Bands of Different Kinds in 183Au NUCLEAR REACTIONS 169Tm(20Ne, 6n)183Au, E=146 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, two wobbling bands. Comparison with systematics.
doi: 10.1103/PhysRevLett.125.132501
2020PE06 Phys.Lett. B 806, 135489 (2020) Coexistence of planar and aplanar rotations in 195Tl NUCLEAR STRUCTURE 195Tl; analyzed available data; calculated energy spectra as functions of spin for the bands B2 and B2a, potential-energy curves in adiabatic and configuration-fixed constrained triaxial CDFT with PC-PK1.
doi: 10.1016/j.physletb.2020.135489
2020PE10 Eur.Phys.J. A 56, 208 (2020) C.M.Petrache, B.F.Lv, Q.B.Chen, J.Meng, A.Astier, E.Dupont, K.K.Zheng, P.T.Greenlees, H.Badran, T.Calverley, D.M.Cox, T.Grahn, J.Hilton, R.Julin, S.Juutinen, J.Konki, J.Pakarinen, P.Papadakis, J.Partanen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Uusitalo, B.Cederwall, A.Ertoprak, H.Liu, S.Guo, J.G.Wang, X.H.Zhou, I.Kuti, J.Timar, A.Tucholski, J.Srebrny, C.Andreoiu Multiple chiral bands in 137Nd NUCLEAR REACTIONS 100Mo(40Ar, 3n), E=152 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, B(M1)/B(E2), quasi-particle alignments for the chiral rotational bands, angular momenta. Comparison with theoretical calculations.
doi: 10.1140/epja/s10050-020-00218-5
2020PE12 Phys.Lett. B 810, 135795 (2020) Covariant density functional theory for nuclear chirality in 135Nd NUCLEAR STRUCTURE 135Nd; calculated total Routhian curves as functions of the azimuth angle using 3D-TAC CDFT, B(M1), B(E2). Comparison with available data.
doi: 10.1016/j.physletb.2020.135795
2020SE02 Phys.Rev.Lett. 124, 052501 (2020) N.Sensharma, U.Garg, Q.B.Chen, S.Frauendorf, D.P.Burdette, J.L.Cozzi, K.B.Howard, S.Zhu, M.P.Carpenter, P.Copp, F.G.Kondev, T.Lauritsen, J.Li, D.Seweryniak, J.Wu, A.D.Ayangeakaa, D.J.Hartley, R.V.F.Janssens, A.M.Forney, W.B.Walters, S.S.Ghugre, R.Palit Longitudinal Wobbling Motion in 187Au NUCLEAR REACTIONS 174Yb(19F, X)187Au, E=105, 115 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, yrast band, B(M1)/B(E2). Comparison with PRM calculations.
doi: 10.1103/PhysRevLett.124.052501
2019CH30 Phys.Rev. C 99, 064326 (2019) Q.B.Chen, N.Kaiser, Ulf-G.Meissner, J.Meng Behavior of the collective rotor in nuclear chiral motion
doi: 10.1103/PhysRevC.99.064326
2019CH49 Phys.Rev. C 100, 061301 (2019) Q.B.Chen, S.Frauendorf, C.M.Petrache Transverse wobbling in an even-even nucleus NUCLEAR STRUCTURE 130Ba; calculated mixing ratios, B(M1, in)/B(E2, out), B(E2, in)/B(E2, out) for the two bands built on the πh11/22 configuration using constrained triaxial covariant density functional theory (CDFT) combined with quantum particle rotor model (PRM) calculations; analyzed angular momentum versus spin plots. Comparison with experimental data. Discussed transverse wobbling motion of a two-quasiparticle configuration in an even-even nucleus.
doi: 10.1103/PhysRevC.100.061301
2019LI45 Phys.Rev. C 100, 044318 (2019) C.G.Li, Q.B.Chen, S.Q.Zhang, C.Xu, H.Hua, S.Y.Wang, R.A.Bark, S.M.Wyngaardt, Z.Shi, A.C.Dai, C.G.Wang, X.Q.Li, Z.H.Li, J.Meng, F.R.Xu, Y.L.Ye, D.X.Jiang, R.Han, C.Y.Niu, Z.Q.Chen, H.Y.Wu, X.Wang, D.W.Luo, C.G.Wu, S.Wang, D.P.Sun, C.Liu, Z.Q.Li, B.H.Sun, P.Jones, L.Msebi, J.F.Sharpey-Schafer, T.Dinoko, E.A.Lawrie, S.S.Ntshangase, B.V.Kheswa, O.Shirinda, N.Khumalo, T.D.Bucher, K.L.Malatji "Stapler" mechanism for a dipole band in 79Se NUCLEAR REACTIONS 82Se(α, 3nα)79Se, E=65, 68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using AFRODITE array of eight Compton-suppressed clover detectors at the iThemba LABS accelerator facility. 79Se; deduced levels, J, π, multipolarities, negative-parity dipole band interpreted as a stapler band, B(M1)/B(E2), configuration. Comparison with calculations using the self-consistent tilted axis cranking covariant density functional theory (TAC-CDFT).
doi: 10.1103/PhysRevC.100.044318
2019LV01 Phys.Rev. C 100, 024314 (2019), Erratum Phys.Rev. C 103, 019901 (2021) B.F.Lv, C.M.Petrache, Q.B.Chen, J.Meng, A.Astier, E.Dupont, P.Greenlees, H.Badran, T.Calverley, D.M.Cox, T.Grahn, J.Hilton, R.Julin, S.Juutinen, J.Konki, J.Pakarinen, P.Papadakis, J.Partanen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Uusitalo, B.Cederwall, A.Ertoprak, H.Liu, S.Guo, M.L.Liu, J.G.Wang, X.H.Zhou, I.Kuti, J.Timar, A.Tucholski, J.Srebrny, C.Andreoiu Chirality of 135Nd reexamined: Evidence for multiple chiral doublet bands NUCLEAR REACTIONS 100Mo(40Ar, 5n), E=152 MeV from the K130 cyclotron at the University of Jyvaskyla; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), angular distribution ratios using the JUROGAM-II array, with 39 Compton-suppressed Ge detectors. 135Nd; deduced high-spin levels, J, π, multipolarities, rotational and two sets of chiral-doublet bands, alignments, B(M1)/B(E2) ratios, configurations. Comparison with constrained density functional theory (CDFT) and particle-rotor model (PRM) calculations.
doi: 10.1103/PhysRevC.100.024314
2019PE12 Phys.Lett. B 795, 241 (2019) C.M.Petrache, P.M.Walker, S.Guo, Q.B.Chen, S.Frauendorf, Y.X.Liu, R.A.Wyss, D.Mengoni, Y.H.Qiang, A.Astier, E.Dupont, R.Li, B.F.Lv, K.K.Zheng, D.Bazzacco, A.Boso, A.Goasduff, F.Recchia, D.Testov, F.Galtarossa, G.Jaworski, D.R.Napoli, S.Riccetto, M.Siciliano, J.J.Valiente-Dobon, M.L.Liu, X.H.Zhou, J.G.Wang, C.Andreoiu, F.H.Garcia, K.Ortner, K.Whitmore, T.Back, B.Cederwall, E.A.Lawrie, I.Kuti, D.Sohler, J.Timar, T.Marchlewski, J.Srebrny, A.Tucholski Diversity of shapes and rotations in the γ-soft 130Ba nucleus: First observation of a t-band in the A = 130 mass region NUCLEAR REACTIONS 122Sn(13C, 5n), E=65 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, B(M1)/B(E2), quasiparticle t-band and the odd-spin partners of the S-bands built on prolate 2qp-proton and oblate 2qp-neutron configurations. Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2019.06.040
2019QI01 Phys.Rev. C 99, 014307 (2019) Y.H.Qiang, C.M.Petrache, S.Guo, P.M.Walker, D.Mengoni, Q.B.Chen, B.F.Lv, A.Astier, E.Dupont, M.L.Liu, X.H.Zhou, J.G.Wang, D.Bazzacco, A.Boso, A.Goasduff, F.Recchia, D.Testov, F.Galtarossa, G.Jaworski, D.R.Napoli, S.Riccetto, M.Siciliano, J.J.Valiente-Dobon, C.Andreoiu, F.H.Garcia, K.Ortner, K.Whitmore, B.Cederwall, E.A.Lawrie, I.Kuti, D.Sohler, T.Marchlewski, J.Srebrny, A.Tucholski, A.C.Dai, F.R.Xu Identification of high-K rotation in 130Ba: Testing the consistency of electromagnetic observables NUCLEAR REACTIONS 122Sn(13C, 5n), E=65 MeV; measured Eγ, Iγ, γγ- and (particle)γ-coin, γγ(θ) using GALILEO array of 25 Compton-suppressed Ge detectors for γ detection, EUCLIDES silicon detector array for charged particles, and the Neutron Wall for neutron detection at the XTU Tandem accelerator facility of INFN-LNL-Legnaro. 130Ba; deduced high-spin levels, J, π, bands, band built on a millisecond Kπ=8- isomer, multipolarities, mixing ratios, configuration, B(E2) ratios, (gK-gR)/Q0 ratios, alignments for the g.s. and Kπ=8- bands, moment of inertia for the 8- band. Systematics of energies relative to a rigid rotor for the bands built on the Kπ=8- isomers in N=74 isotones: 128Xe, 130Ba, 132Ce, 134Nd, 136Sm, 138Gd. Comparison with particle-rotor model calculations.
doi: 10.1103/PhysRevC.99.014307
2019SE06 Phys.Lett. B 792, 170 (2019), Erratum Phys.Lett. B 820, 136556 (2021) N.Sensharma, U.Garg, S.Zhu, A.D.Ayangeakaa, S.Frauendorf, W.Li, G.H.Bhat, J.A.Sheikh, M.P.Carpenter, Q.B.Chen, J.L.Cozzi, S.S.Ghugre, Y.K.Gupta, D.J.Hartley, K.B.Howard, R.V.F.Janssens, F.G.Kondev, T.C.McMaken, R.Palit, J.Sethi, D.Seweryniak, R.P.Singh Two-phonon wobbling in 135Pr NUCLEAR STRUCTURE 135Pr; analyzed available data; deduced wobbling. Comparison with theoretical calculations in the framework of the quasiparticle triaxial rotor and triaxial projected shell models.
doi: 10.1016/j.physletb.2019.03.038
2019TI02 Phys.Rev.Lett. 122, 062501 (2019) J.Timar, Q.B.Chen, B.Kruzsicz, D.Sohler, I.Kuti, S.Q.Zhang, J.Meng, P.Joshi, R.Wadsworth, K.Starosta, A.Algora, P.Bednarczyk, D.Curien, Zs.Dombradi, G.Duchene, A.Gizon, J.Gizon, D.G.Jenkins, T.Koike, A.Krasznahorkay, J.Molnar, B.M.Nyako, E.S.Paul, G.Rainovski, J.N.Scheurer, A.J.Simons, C.Vaman, L.Zolnai Experimental Evidence for Transverse Wobbling in 105Pd NUCLEAR REACTIONS 96Zr(13C, 4n), E not given; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, B(M1)/B(E2), B(E2)/B(E2), transverse wobbling, wobbling bands.
doi: 10.1103/PhysRevLett.122.062501
2019WA22 Phys.Rev. C 100, 014328 (2019) S.G.Wahid, S.K.Tandel, P.Chowdhury, R.V.F.Janssens, M.P.Carpenter, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, D.Seweryniak, S.Zhu, Q.B.Chen, J.Meng Structure of odd-A Pt isotopes along the line of stability NUCLEAR REACTIONS 197Au(209Bi, X)193Pt/195Pt/197Pt, E=1450 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), half-lives of isomers by centroid-shift technique using the Gammasphere array at ATLAS-ANL facility. 193,195,197Pt; deduced levels, J, π, multipolarities, alignments, configurations. Comparison with theoretical calculations. NUCLEAR STRUCTURE 193,195,197Pt; calculated levels, J, π, total energy surfaces, and B(E2); deduced shapes and band crossings. Tilted axis cranking covariant density functional theory (TAC-CDFT) using the Ultimate Cranker code. Comparison with experimental data. Systematics of positive-parity levels in A=189-196 even- and odd-A Pt isotopes.
doi: 10.1103/PhysRevC.100.014328
2019ZH25 Phys.Rev. C 99, 054319 (2019) Microscopic resolution of the nuclear chiral conundrum with crossing twin bands in 106Ag NUCLEAR STRUCTURE 106Ag; calculated levels, J, π, rotational frequencies, potential energy surface in (β, γ) plane, total Routhian curves, B(M1), and B(E2) for the two- and four-quasiparticle configurations and chiral vibration bands using three-dimensional tilted axis cranking covariant density functional theory (3DTAC-DFT). Comparison with experimental data.
doi: 10.1103/PhysRevC.99.054319
2018CH18 Phys.Rev. C 97, 041303 (2018) Three-level mixing model for nuclear chiral rotation: Role of the planar component
doi: 10.1103/PhysRevC.97.041303
2018CH32 Phys.Rev. C 97, 064320 (2018) Q.B.Chen, N.Kaiser, Ulf-G.Meissner, J.Meng Effective field theory for collective rotations and vibrations of triaxially deformed nuclei NUCLEAR STRUCTURE 108,110,112Ru; calculated levels, J, π for ground band, γ band, and K=4 bands, potential energy surfaces in (β2, γ2) plane, and mass parameters Bββ, Bβγ and Bγγ as function of γ2 parameter. Effective field theory (EFT) for triaxially deformed even-even nuclei with Hamiltonian constructed up to next-to-leading order (NLO). Comparison with experimental data.
doi: 10.1103/PhysRevC.97.064320
2018CH35 Phys.Lett. B 782, 744 (2018) Q.B.Chen, B.F.Lv, C.M.Petrache, J.Meng Multiple chiral doublets in four-j shells particle rotor model: Five possible chiral doublets in 13660Nd76 NUCLEAR STRUCTURE 136Nd; calculated energy levels, B(M1)/B(E2) values. A particle rotor model.
doi: 10.1016/j.physletb.2018.06.030
2018CH47 Phys.Rev. C 98, 031303 (2018) Reexamining nuclear chiral geometry from the orientation of the angular momentum
doi: 10.1103/PhysRevC.98.031303
2018GR01 Phys.Rev.Lett. 120, 022502 (2018) E.Grodner, J.Srebrny, Ch.Droste, L.Prochniak, S.G.Rohozinski, M.Kowalczyk, M.Ionescu-Bujor, C.A.Ur, K.Starosta, T.Ahn, M.Kisielinski, T.Marchlewski, S.Aydin, F.Recchia, G.Georgiev, R.Lozeva, E.Fiori, M.Zielinska, Q.B.Chen, S.Q.Zhang, L.F.Yu, P.W.Zhao, J.Meng First Measurement of the g Factor in the Chiral Band: The Case of the Cs128 Isomeric State RADIOACTIVITY 128Cs(IT); measured decay products, Eγ, Iγ; deduced g factor, γ-ray energies, Larmor frequency of precession.
doi: 10.1103/PhysRevLett.120.022502
2018PE09 Phys.Rev. C 98, 024320 (2018) Exploring nuclear multiple chirality in the A ≈ 60 mass region within covariant density functional theory NUCLEAR STRUCTURE 54,56,57,58,59,60Co; calculated single-proton and single-neutron Routhians near the Fermi surface for the ground states, potential energy curves and triaxial deformation parameter γ as functions of β deformation parameter and valence configurations, chiral or multiple chiral doublets. Adiabatic and configuration-fixed constrained triaxial covariant density functional theory (CDFT).
doi: 10.1103/PhysRevC.98.024320
2018SH13 Phys.Rev. C 97, 034317 (2018) Z.Shi, Z.H.Zhang, Q.B.Chen, S.Q.Zhang, J.Meng Shell-model-like approach based on cranking covariant density functional theory: Band crossing and shape evolution in 60Fe NUCLEAR STRUCTURE 60Fe; calculated neutron and proton single-particle Routhians, total Routhian surfaces in (β, γ) plane; analyzed rotational structures, bandheads, rotational spectra, and relations between the angular momentum and rotational frequency for the positive- and negative-parity bands, and triaxial deformation. Shell-model-like approach to treat the cranking many-body Hamiltonian based on covariant density functional theory including pairing correlations. Comparison with experimental data.
doi: 10.1103/PhysRevC.97.034317
2018SH17 Eur.Phys.J. A 54, 53 (2018) Low-lying states in even Gd isotopes studied with five-dimensional collective Hamiltonian based on covariant density functional theory NUCLEAR STRUCTURE 148,150,152,154,156,158,160,162Gd; calculated levels, J, π, rotational bands, deformation, B(E2) using five-dimensional collective Hamiltonian based on the covariant density functional theory.
doi: 10.1140/epja/i2018-12490-9
2018ST15 Phys.Rev. C 98, 044314 (2018) E.Streck, Q.B.Chen, N.Kaiser, Ulf-G.Meissner Behavior of the collective rotor in wobbling motion NUCLEAR STRUCTURE 135Pr; calculated level energies and wobbling frequency, energy of the collective rotor and single-proton energy expectation values, distributions of the orientation of the angular momentum of the yrast (zero phonon) and wobbling (one phonon) bands, probability distribution of the rotor angular momentum with its projection onto each principal axis, proton angular momentum with and without pairing correlations; analyzed separate contributions from the rotor and the single-particle Hamiltonian to the wobbling frequencies. Particle-rotor model (PRM) calculations. Comparison with experimental values.
doi: 10.1103/PhysRevC.98.044314
2018WU09 Phys.Rev. C 98, 064302 (2018) X.H.Wu, Q.B.Chen, P.W.Zhao, S.Q.Zhang, J.Meng Two-dimensional collective Hamiltonian for chiral and wobbling modes. II. Electromagnetic transitions
doi: 10.1103/PhysRevC.98.064302
2017CH48 Phys.Rev. C 96, 051303 (2017) F.Q.Chen, Q.B.Chen, Y.A.Luo, J.Meng, S.Q.Zhang Chiral geometry in symmetry-restored states: Chiral doublet bands in 128Cs NUCLEAR STRUCTURE 128Cs; calculated levels, J, π, B(E2), B(M1), K distributions for the angular momentum on the short, intermediate, and long axes, azimuthal plots for orientation of angular momentum on the (θ, φ) plane, chiral doublet bands. Angular momentum projection (AMP) approach. Comparison with experimental data.
doi: 10.1103/PhysRevC.96.051303
2017CH52 Eur.Phys.J. A 53, 204 (2017) Q.B.Chen, N.Kaiser, Ulf-G.Meissner, J.Meng Effective field theory for triaxially deformed nuclei NUCLEAR STRUCTURE 102,104,106,108,110,112Ru; calculated alignment, rotational γ bands energy vs spin, energy surface, deformations using effective field theory triaxial rotor model (LO and NLO) and 5DCH (5-Dimensional Collective Hamiltonian); deduced models of inertia, other model parameters using the fit to data.
doi: 10.1140/epja/i2017-12404-5
2017HA23 Phys.Lett. B 772, 529 (2017) R.Han, X.Q.Li, W.G.Jiang, Z.H.Li, H.Hua, S.Q.Zhang, C.X.Yuan, D.X.Jiang, Y.L.Ye, J.Li, Z.H.Li, F.R.Xu, Q.B.Chen, J.Meng, J.S.Wang, C.Xu, Y.L.Sun, C.G.Wang, H.Y.Wu, C.Y.Niu, C.G.Li, C.He, W.Jiang, P.J.Li, H.L.Zang, J.Feng, S.D.Chen, Q.Liu, X.C.Chen, H.S.Xu, Z.G.Hu, Y.Y.Yang, P.Ma, J.B.Ma, S.L.Jin, Z.Bai, M.R.Huang, Y.J.Zhou, W.H.Ma, Y.Li, X.H.Zhou, Y.H.Zhang, G.Q.Xiao, W.L.Zhan Northern boundary of the "island of inversion" and triaxiality in 34Si RADIOACTIVITY 34Al(β-) [from 9Be(40Ar, X), E=69.2 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies, J, π, isomer T1/2. Comparison with shell model calculations using Gogny D1S and SDPF-M interactions. RADIOACTIVITY 27,28Ne, 28,29,30,31Na, 30,31,32,33Mg, 32,33,34,35Al, 36,37Si(β-); measured decay products; deduced T1/2. Comparison with ENSDF values.
doi: 10.1016/j.physletb.2017.07.007
2017LI02 Phys.Lett. B 766, 107 (2017) C.G.Li, Q.B.Chen, S.Q.Zhang, C.Xu, H.Hua, X.Q.Li, X.G.Wu, S.P.Hu, J.Meng, F.R.Xu, W.Y.Liang, Z.H.Li, Y.L.Ye, D.X.Jiang, J.J.Sun, R.Han, C.Y.Niu, X.C.Chen, P.J.Li, C.G.Wang, H.Y.Wu, G.S.Li, C.Y.He, Y.Zheng, C.B.Li, Q.M.Chen, J.Zhong, W.K.Zhou Observation of a novel stapler band in 75As NUCLEAR REACTIONS 70Zn(9Be, 3np)75As, E=42 MeV; measured reaction products, Eγ, Iγ; deduced dipole band, deformation parameters, composition of the proton and neutron angular momenta, energy spectrum. Comparison with self-consistent tilted axis cranking covariant density functional theory.
doi: 10.1016/j.physletb.2016.12.059
2016CH44 Phys.Rev. C 94, 044301 (2016) Q.B.Chen, S.Q.Zhang, P.W.Zhao, R.V.Jolos, J.Meng Two-dimensional collective Hamiltonian for chiral and wobbling modes
doi: 10.1103/PhysRevC.94.044301
2016CH46 Phys.Rev. C 94, 054308 (2016) Wobbling motion in 135Pr within a collective Hamiltonian NUCLEAR STRUCTURE 135Pr; calculated total Routhian surface contour plots, levels, J, π, rotational frequencies for the yrast and wobbling bands, mass parameter, effective moments of inertia of the three principal axes. Tilted axis cranking (TAC) model and harmonic frozen alignment (HFA) formula. Comparison with experimental data.
doi: 10.1103/PhysRevC.94.054308
2016LI12 Phys.Rev.Lett. 116, 112501 (2016) C.Liu, S.Y.Wang, R.A.Bark, S.Q.Zhang, J.Meng, B.Qi, P.Jones, S.M.Wyngaardt, J.Zhao, C.Xu, S.-G.Zhou, S.Wang, D.P.Sun, L.Liu, Z.Q.Li, N.B.Zhang, H.Jia, X.Q.Li, H.Hua, Q.B.Chen, Z.G.Xiao, H.J.Li, L.H.Zhu, T.D.Bucher, T.Dinoko, J.Easton, K.Juhasz, A.Kamblawe, E.Khaleel, N.Khumalo, E.A.Lawrie, J.J.Lawrie, S.N.T.Majola, S.M.Mullins, S.Murray, J.Ndayishimye, D.Negi, S.P.Noncolela, S.S.Ntshangase, B.M.Nyako, J.N.Orce, P.Papka, J.F.Sharpey-Schafer, O.Shirinda, P.Sithole, M.A.Stankiewicz, M.Wiedeking Evidence for Octupole Correlations in Multiple Chiral Doublet Bands NUCLEAR REACTIONS 70Zn(12C, 3np), E=60, 65 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, medium- amd high-spin states, yrast positive- and negative-parity bands. Comparison with microscopic multidimensionally-constrained covariant density functional theory and triaxial particle rotor model calculations.
doi: 10.1103/PhysRevLett.116.112501
2016LI13 Phys.Rev. C 93, 034309 (2016) H.J.Li, B.Cederwall, M.Doncel, J.Peng, Q.B.Chen, S.Q.Zhang, P.W.Zhao, J.Meng, T.Back, U.Jakobsson, K.Auranen, S.Bonig, M.Drummond, T.Grahn, P.Greenlees, A.Herzan, D.T.Joss, R.Julin, S.Juutinen, J.Konki, T.Kroll, M.Leino, C.McPeake, D.O'Donnell, R.D.Page, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, J.Sorri, S.Stolze, M.J.Taylor, A.Thornthwaite, J.Uusitalo, Z.G.Xiao Lifetime measurements in 166Re: Collective versus magnetic rotation NUCLEAR REACTIONS 92Mo(78Kr, n3p), E=380 MeV; measured Eγ, Iγ, recoil-gated γγ-coin, level half-lives by recoil distance Doppler-shift (RDDS) method and differential decay-curve analysis using JUROGAM-II array for γ detection, RITU separator, and GREAT spectrometer at Jyvaskyla accelerator facility. 166Re; deduced high-spin levels, J, π, B(M1), B(E2), B(E1), B(M1)/B(E2) configurations, alignments; discussed collective versus magnetic rotation; calculated total Routhian surface plot. Tilted-axis cranking calculations based on a relativistic mean-field approach (TAC-RMF).
doi: 10.1103/PhysRevC.93.034309
2016LI41 Phys.Rev. C 94, 024337 (2016) X.Q.Li, C.Xu, S.Q.Zhang, H.Hua, J.Meng, R.A.Bark, Q.B.Chen, C.Y.Niu, R.Han, S.M.Wyngaardt, S.Y.Wang, S.Wang, B.Qi, L.Liu, L.H.Zhu, Z.Shi, G.L.Zhang, B.H.Sun, X.Y.Le, C.Y.Song, Y.L.Ye, D.X.Jiang, F.R.Xu, Z.H.Li, J.J.Sun, Y.Shi, P.W.Zhao, W.Y.Liang, C.G.Li, C.G.Wang, X.C.Chen, Z.H.Li, D.P.Sun, C.Liu, Z.Q.Li, P.Jones, E.A.Lawrie, J.J.Lawrie, M.Wiedeking, T.D.Bucher, T.Dinoko, B.V.Kheswa, L.Makhathini, S.N.T.Majola, J.Ndayishimye, S.P.Noncolela, O.Shirinda, J.Gal, G.Kalinka, J.Molnar, B.M.Nyako, J.Timar, K.Juhasz, M.Arogunjo Spectroscopy of 155Yb: Structure evolution in the N=85 isotones NUCLEAR REACTIONS 144Sm(16O, 5n), E=118 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO ratios) at cyclotron facility of iThemba LABS. 155Yb; deduced high-spin levels, J, π, multipolarity, bands, configurations; calculated potential energy contour in (β, γ) plane. Comparison with semiempirical shell-model (SESM) calculations. Predicted coexistence of prolate and oblate shapes from adiabatic and configuration-fixed constrained triaxial covariant density functional theory (CDFT) calculations. Systematics of low-lying levels in N=84-87 isotones: 148,149,150,151Gd, 150,151,152,153Dy, 152,153,154,155Er, 154,155,156,157Yb, 156,157,158,159Hf.
doi: 10.1103/PhysRevC.94.024337
2016PE21 Phys.Rev. C 94, 064309 (2016) C.M.Petrache, Q.B.Chen, S.Guo, A.D.Ayangeakaa, U.Garg, J.T.Matta, B.K.Nayak, D.Patel, J.Meng, M.P.Carpenter, C.J.Chiara, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, D.Seweryniak, S.Zhu, S.S.Ghugre, R.Palit Triaxial-band structures, chirality, and magnetic rotation in 133La NUCLEAR REACTIONS 116Cd(22Ne, 4np), E=112 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ) ratios using Gammasphere array at ATLAS-ANL facility. 133La; deduced high-spin levels, J, π, multipolarities, bands, alignments, B(M1)/B(E2) ratios, configurations. Comparison with calculations using cranked Nilsson-Strutinsky (CNS) model, covariant density functional theory (CDFT) with a self-consistent relativistic mean field (RMF), and the particle rotor model (PRM).
doi: 10.1103/PhysRevC.94.064309
2016WA12 Phys.Rev. C 93, 044309 (2016) Y.Y.Wang, Z.Shi, Q.B.Chen, S.Q.Zhang, C.Y.Song Tidal wave in 102Pd: An extended five-dimensional collective Hamiltonian description NUCLEAR STRUCTURE 102Pd; calculated levels, J, π, B(E2), moment of inertia for the yrast band, potential energy surface in (β-γ) plane, average values of β and γ quadrupole deformation parameters as a function of spin. Discussed tidal-wave phenomenon. Five-dimensional collective Hamiltonian (5DCH) based on covariant density functional theory. Comparison with experimental data.
doi: 10.1103/PhysRevC.93.044309
2015RA20 Phys.Rev. C 92, 064324 (2015) M.K.Raju, P.V.Madhusudhana Rao, S.K.Tandel, P.Sugathan, R.P.Singh, S.Muralithar, T.Seshi Reddy, B.V.Thirumala Rao, J.Meng, S.Zhang, J.Li, Q.B.Chen, B.Qi, R.K.Bhowmik High spin spectroscopy and shape coexistence in 73As NUCLEAR REACTIONS 64Ni(12C, 2npγ), E=55 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), σ using GDA array at 15UD Pelletron facility of IUAC-New Delhi. Enriched target. 73As; deduced high-spin levels, J, π, bands, multipolarity, alignments, moment of inertia plots, signature splitting, configuration, shape coexistence; calculated potential energy surface (PES) contour in (β, γ) plane. Cranked shell-model (CSM), particle-rotor model (PRM), and relativistic mean-field (RMF) calculations.
doi: 10.1103/PhysRevC.92.064324
2015SH18 Chin.Phys.C 39, 054105 (2015) Wobbling geometry in a simple triaxial rotor
doi: 10.1088/1674-1137/39/5/054105
2015XU09 Phys.Rev. C 91, 061303 (2015) C.Xu, X.Q.Li, J.Meng, S.Q.Zhang, H.Hua, S.Y.Wang, B.Qi, C.Liu, Z.G.Xiao, H.J.Li, L.H.Zhu, Z.Shi, Z.H.Li, Y.L.Ye, D.X.Jiang, J.J.Sun, Z.H.Zhang, Y.Shi, P.W.Zhao, Q.B.Chen, W.Y.Liang, R.Han, C.Y.Niu, C.G.Li, C.G.Wang, Z.H.Li, S.M.Wyngaardt, R.A.Bark, P.Papka, T.D.Bucher, A.Kamblawe, E.Khaleel, N.Khumalo, E.A.Lawrie, J.J.Lawrie, P.Jones, S.M.Mullins, S.Murray, M.Wiedeking, J.F.Sharpey-Schafer, S.N.T.Majola, J.Ndayishimye, D.Negi, S.P.Noncolela, S.S.Ntshangase, O.Shirinda, P.Sithole, M.A.Stankiewicz, J.N.Orce, T.Dinoko, J.Easton, B.M.Nyako, K.Juhasz Spectroscopy of 76Se: Prolate-to-oblate shape transition NUCLEAR REACTIONS 70Zn(12C, 2nα), E=60, 65 MeV; measured Eγ, Iγ, γγ-, (particle)γγ-coin using AFRODITE array for γ rays and DIAMANT array for charged particles at iThemba LABS. 76Se; deduced high-spin levels, J, π, bands, configuration, kinematic and dynamic moments of inertia, band crossing frequency, shape transition. Comparison with cranked shell-model calculations. systematics of band crossings in 70,72,74,76,78,80Se, 72,74,76,78,80,82Kr.
doi: 10.1103/PhysRevC.91.061303
2014BA29 Int.J.Mod.Phys. E23, 1461001 (2014) R.A.Bark, E.O.Lieder, R.M.Lieder, E.A.Lawrie, J.J.Lawrie, S.P.Bvumbi, N.Y.Kheswa, S.S.Ntshangase, T.E.Madiba, P.L.Masiteng, S.M.Mullins, S.Murray, P.Papka, O.Shirinda, Q.B.Chen, S.Q.Zhang, Z.H.Zhang, P.W.Zhao, C.Xu, J.Meng, D.G.Roux, Z.P.Li, J.Peng, B.Qi, S.Y.Wang, Z.G.Xiao Studies of chirality in the mass 80, 100 and 190 regions NUCLEAR REACTIONS 96Zr(14N, 4n)106Ag, E not given; measured reaction products, Eγ, Iγ; deduced levels, J, π, T1/2, chiral bands, B(M1), B(E2). Comparison with particle-rotor calculations.
doi: 10.1142/S0218301314610011
2014CH49 Phys.Rev. C 90, 044306 (2014) Q.B.Chen, S.Q.Zhang, P.W.Zhao, J.Meng Collective Hamiltonian for wobbling modes
doi: 10.1103/PhysRevC.90.044306
2014KU15 Phys.Rev.Lett. 113, 032501 (2014) I.Kuti, Q.B.Chen, J.Timar, D.Sohler, S.Q.Zhang, Z.H.Zhang, P.W.Zhao, J.Meng, K.Starosta, T.Koike, E.S.Paul, D.B.Fossan, C.Vaman Multiple Chiral Doublet Bands of Identical Configuration in 103Rh NUCLEAR REACTIONS 96Zr(11B, 4n), E=40 MeV; measured reaction products, Eγ, Iγ, γ-γ-γ-coin.; deduced energy levels, J, π, quasiparticle alignments of bands, B(M1)/B(E2) ratios, negative-parity chiral doublet band structures. Covariant density functional theory and particle rotor model calculations.
doi: 10.1103/PhysRevLett.113.032501
2014LI19 Phys.Rev.Lett. 112, 202502 (2014) E.O.Lieder, R.M.Lieder, R.A.Bark, Q.B.Chen, S.Q.Zhang, J.Meng, E.A.Lawrie, J.J.Lawrie, S.P.Bvumbi, N.Y.Kheswa, S.S.Ntshangase, T.E.Madiba, P.L.Masiteng, S.M.Mullins, S.Murray, P.Papka, D.G.Roux, O.Shirinda, Z.H.Zhang, P.W.Zhao, Z.P.Li, J.Peng, B.Qi, S.Y.Wang, Z.G.Xiao, C.Xu Resolution of Chiral Conundrum in 106Ag: Doppler-Shift Lifetime Investigation NUCLEAR REACTIONS 96Zr(14N, 4n), E=71 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced level scheme, J, π, high spin negative parity bands, B(M1), B(E2). Particle-rotor model calculations.
doi: 10.1103/PhysRevLett.112.202502
2014ME14 Int.J.Mod.Phys. E23, 1430016 (2014) Chirality in atomic nuclei: 2013 NUCLEAR STRUCTURE 106Ag, 133Ce, 103Rh; analyzed available data; deduced chirality.
doi: 10.1142/S0218301314300161
2014SU09 Phys.Lett. B 734, 308 (2014) J.J.Sun, Z.Shi, X.Q.Li, H.Hua, C.Xu, Q.B.Chen, S.Q.Zhang, C.Y.Song, J.Meng, X.G.Wu, S.P.Hu, H.Q.Zhang, W.Y.Liang, F.R.Xu, Z.H.Li, G.S.Li, C.Y.He, Y.Zheng, Y.L.Ye, D.X.Jiang, Y.Y.Cheng, C.He, R.Han, Z.H.Li, C.B.Li, H.W.Li, J.L.Wang, J.J.Liu, Y.H.Wu, P.W.Luo, S.H.Yao, B.B.Yu, X.P.Cao, H.B.Sun Spectroscopy of 74Ge: From soft to rigid triaxiality NUCLEAR REACTIONS 70Zn(7Li, 2np), E=30, 35 MeV; measured reaction products, Eγ, Iγ; deduced level energies, J, π, yrast bands, energy staggering, triaxiality. Comparison with five-dimensional collective Hamiltonian model calculations. NUCLEAR STRUCTURE 72,74,76,78Ge; calculated energy levels, J, π, potential energy surfaces. Five-dimensional collective Hamiltonian (5DCH) model.
doi: 10.1016/j.physletb.2014.05.069
2013AY04 Phys.Rev.Lett. 110, 172504 (2013) A.D.Ayangeakaa, U.Garg, M.D.Anthony, S.Frauendorf, J.T.Matta, B.K.Nayak, D.Patel, Q.B.Chen, S.Q.Zhang, P.W.Zhao, B.Qi, J.Meng, R.V.F.Janssens, M.P.Carpenter, C.J.Chiara, F.G.Kondev, T.Lauritsen, D.Seweryniak, S.Zhu, S.S.Ghugre, R.Palit Evidence for Multiple Chiral Doublet Bands in 133Ce NUCLEAR REACTIONS 116Cd(22Ne, 5n)133Ce, E=112 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced high-spin states energies, J, π, two distinct sets of criral-partner bands. Comparison with available data, relativistic mean field calculations.
doi: 10.1103/PhysRevLett.110.172504
2013CH07 Phys.Rev. C 87, 024314 (2013) Q.B.Chen, S.Q.Zhang, P.W.Zhao, R.V.Jolos, J.Meng Collective Hamiltonian for chiral modes
doi: 10.1103/PhysRevC.87.024314
2010CH56 Phys.Rev. C 82, 067302 (2010) Q.B.Chen, J.M.Yao, S.Q.Zhang, B.Qi Chiral geometry of higher excited bands in triaxial nuclei with particle-hole configuration NUCLEAR STRUCTURE A=130; calculated levels, J, B(E2), B(M1), angular momenta as a function of spin for triaxial nuclei using particle-rotor model. Chiral behavior of low-lying high-spin bands.
doi: 10.1103/PhysRevC.82.067302
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