NSR Query Results
Output year order : Descending NSR database version of May 19, 2024. Search: Author = Y.Tanimura Found 22 matches. 2023MA50 Phys.Rev. C 108, L051302 (2023) M.Matsumoto, Y.Tanimura, K.Hagino Extension of the generator coordinate method with basis optimization
doi: 10.1103/PhysRevC.108.L051302
2022MA33 Phys.Rev. C 106, 014307 (2022) Visualization of nuclear many-body correlations with the most probable configuration of nucleons NUCLEAR STRUCTURE ^{8}Be, ^{12}C, ^{16}O, ^{20}Ne, ^{24}Mg, ^{28}Si; calculated contours of most probable configuration of spin-up and spin-down neutrons in the Hartree-Fock (HF) and the and the HF+BCS ground states, most probable neutron configurations for ^{16}O as a function of quadrupole moment Q_{2}; deduced that pairing correlations induce attractive correlations between spin-up and spin-down nucleons. Relevance to visualization of motions of individual nucleons during reaction dynamics, and understanding of mechanisms of fusion, fission, and multinucleon transfer reactions.
doi: 10.1103/PhysRevC.106.014307
2022TA05 Phys.Rev. C 105, 044324 (2022) Y.Tanimura, H.Sagawa, T.-T.Sun, E.Hiyama Ξ hypernuclei ^{15}_{Ξ}C and ^{12}_{Ξ}Be and the ΞN two-body interaction NUCLEAR STRUCTURE ^{15}C, ^{12}Be; calculated levels, J, π, energy spectrum of the ^{15}C and ^{12}Be Ξ hypernuclei. Relativistic mean filed model taking into account meson exchange ΞN interactions.
doi: 10.1103/PhysRevC.105.044324
2021YO05 Phys.Rev. C 104, 014319 (2021) Spin-triplet proton-neutron pair in spin-dipole excitations NUCLEAR STRUCTURE ^{80}Ni, ^{80}Cu; ^{132}Zr, ^{132}Nb; ^{134}Zr, ^{134}Nb; ^{120}Sn, ^{122}Sb; ^{122}Sn, ^{122}Sb; calculated transition strength distributions for the spin-dipole (SD) 1- transition for ^{80}Ni to ^{80}Cu, SD 0- transitions for ^{132}Zr to ^{132}Nb, ^{134}Zr to ^{134}Nb, and SD 2- transitions for ^{120}Sn to ^{120}Sb and ^{122}Sn to ^{122}Sb as functions of the excitation energy with respect to the target nuclei; investigated effect of the proton-neutron-pair interaction on the low-lying spin-dipole (SD) transitions, and the role of the SD and Gamow-Teller (GT) transitions. Nuclear density-functional theory (DFT) calculations.
doi: 10.1103/PhysRevC.104.014319
2020MI02 Eur.Phys.J. A 56, 45 (2020) Spin-isospin properties of N=Z odd-odd nuclei from a core + pn three-body model including core excitations
doi: 10.1140/epja/s10050-020-00035-w
2019TA07 Phys.Rev. C 99, 034324 (2019) Clusterization and deformation of multi-Λ hypernuclei within a relativistic mean-field model NUCLEAR STRUCTURE ^{6}He, ^{10}Be, ^{13}B; calculated double Λ binding energies, and Λ-Λ interaction energies for hypernuclei, and compared with NAGARA, MIKAGE and MINO experimental events. ^{8,10,12}Be, ^{20,22,28}Ne, ^{28,30,36}Si; calculated neutron and Λ hyperon density distributions, central potentials, quadrupole deformation parameters, and rms radii of hypernuclei using relativistic mean-field model.
2018CO07 Phys.Rev. C 97, 044321 (2018) A.Corsi, A.Obertelli, P.Doornenbal, F.Nowacki, H.Sagawa, Y.Tanimura, N.Aoi, H.Baba, P.Bednarczyk, S.Boissinot, M.Ciemala, A.Gillibert, T.Isobe, A.Jungclaus, V.Lapoux, J.Lee, K.Matsui, M.Matsushita, T.Motobayashi, D.Nishimura, S.Ota, E.Pollacco, H.Sakurai, C.Santamaria, Y.Shiga, D.Sohler, D.Steppenbeck, S.Takeuchi, R.Taniuchi, H.Wang Spectroscopy of nuclei around ^{100}Sn populated via two-neutron knockout reactions NUCLEAR REACTIONS ^{1}H, C(^{104}Sn, 2n), E=150 MeV/nucleon; ^{1}H, C(^{102}Cd, 2n), E=144 MeV/nucleon, [secondary ^{104}Sn and ^{102}Cd beams from ^{9}Be(^{124}Xe, X), E=345 MeV/nucleon primary reaction, followed by separation of fragments using BigRIPS separator]; ^{1}H, C(^{112}Sn, 2n), E=170 MeV/nucleon; measured Eγ, Iγ, particles, (particle)γ-coin, two-neutron knockout σ using carbon and CH_{2} targets, DALI2 array for γ detection and ZeroDegree spectrometer for particles at RIBF-RIKEN facility. ^{100}Cd, ^{102,110}Sn; deduced first and second 2+ levels in ^{102}Sn, first 2+ and 4+ levels in ^{100}Cd, and first three excited states in ^{110}Sn. Comparison with shell-model calculations, and with previous measurements. Systematics of energies of first and second 2+ states in ^{102}Sn to ^{120}Sn isotopes.
doi: 10.1103/PhysRevC.97.044321
2017TA08 Phys.Rev.Lett. 118, 152501 (2017) Microscopic Phase-Space Exploration Modeling of ^{258}Fm Spontaneous Fission RADIOACTIVITY ^{258}Fm(SF); calculated total kinetic energy, product, yields, quadrupole and octupole deformation parameters, neutron multiplicity. Comparison with available data.
doi: 10.1103/PhysRevLett.118.152501
2016LA12 Eur.Phys.J. A 52, 94 (2016) D.Lacroix, Y.Tanimura, S.Ayik, B.Yilmaz A simplified BBGKY hierarchy for correlated fermions from a stochastic mean-field approach
doi: 10.1140/epja/i2016-16094-1
2016SU05 Phys.Rev. C 93, 024316 (2016) D.Suzuki, H.Iwasaki, D.Beaumel, M.Assie, H.Baba, Y.Blumenfeld, F.de Oliveira Santos, N.de Sereville, A.Drouart, S.Franchoo, J.Gibelin, A.Gillibert, S.Giron, S.Grevy, J.Guillot, M.Hackstein, F.Hammache, N.Keeley, V.Lapoux, F.Marechal, A.Matta, S.Michimasa, L.Nalpas, F.Naqvi, H.Okamura, H.Otsu, J.Pancin, D.Y.Pang, L.Perrot, C.M.Petrache, E.Pollacco, A.Ramus, W.Rother, P.Roussel-Chomaz, H.Sakurai, J.-A.Scarpaci, O.Sorlin, P.C.Srivastava, I.Stefan, C.Stodel, Y.Tanimura, S.Terashima Second 0^{+} state of unbound ^{12}O: Scaling of mirror asymmetry NUCLEAR REACTIONS ^{1}H(^{14}O, t), E=51 MeV/nucleon, [^{14}O secondary beam from ^{9}Be(^{16}O, X), E=90 MeV/nucleon primary reaction]; measured E(t), I(t), σ(θ), TKE versus θ(lab) using LISE spectrometer and MUST2 telescopes at GANIL. Missing-mass spectroscopy. ^{12}O; deduced levels, J, π, L-transfers, two-proton decay width. Comparison of the second 0+ state of ^{12}O to the mirror state in ^{12}Be and theoretical predictions. Systematics of 0+ states in mirror nuclei pairs of ^{6}Be-^{6}He, ^{8}C-^{8}He, ^{10}C-^{10}Be, ^{12}O-^{12}Be, ^{14}O-^{14}C, ^{16}Ne-^{16}C, ^{18}Ne-^{18}O, ^{20}Mg-^{20}O, ^{22}Mg-^{22}Ne, ^{24}Si-^{24}Ne, ^{26}Si-^{26}Mg, ^{28}S-^{28}Mg, ^{30}S-^{30}Si, ^{32}Ar-^{32}Si, ^{34}Ar-^{34}S, ^{36}Ca-^{36}S, ^{38}Ca-^{38}Ar, ^{40}Ti-^{40}Ar, ^{42}Ti-^{42}Ca, ^{46}Cr-^{46}Ti, ^{48}Ni-^{48}Ca, ^{50}Fe-^{50}Cr, ^{54}Zn-^{54}Cr, ^{54}Ni-^{54}Fe and ^{58}Zn-^{58}Ni. Discussed importance of scaling of mirror asymmetry in the context of ab initio calculations near the drip lines.
doi: 10.1103/PhysRevC.93.024316
2016TA12 Phys.Rev. C 93, 064319 (2016) Three-body model for an isoscalar spin-triplet neutron-proton pair in ^{102}Sb NUCLEAR STRUCTURE ^{102}Sb; calculated energies of isospin T=0 and 1 states, 0+ and 1+ in ^{102}Sb, B(GT) (^{102}Sn to ^{102}Sb) strength distribution. ^{100}Sn core+p+n three-body model with a model space based on Skyrme and relativistic mean-field calculations using three nonrelativistic and three relativistic energy density functionals (EDFs).
doi: 10.1103/PhysRevC.93.064319
2015LA21 Int.J.Mod.Phys. E24, 1541005 (2015) D.Lacroix, Y.Tanimura, G.Scamps, C.Simenel Microscopic description of large amplitude collective motion in the nuclear astrophysics context
doi: 10.1142/S0218301315410050
2015TA16 Prog.Theor.Exp.Phys. 2015, 073D01 (2015) Y.Tanimura, K.Hagino, H.Z.Liang 3D mesh calculations for covariant density functional theory NUCLEAR STRUCTURE ^{16}O, ^{24}Mg, ^{28}Si; calculated binding and single-particle energies, hexadecapole deformation parameters, potential energy surfaces.
doi: 10.1093/ptep/ptv083
2015TA21 Phys.Rev. C 92, 034601 (2015) Y.Tanimura, D.Lacroix, G.Scamps Collective aspects deduced from time-dependent microscopic mean-field with pairing: Application to the fission process NUCLEAR STRUCTURE ^{258}Fm; calculated potential energy curve, neutron and proton single-particle energies as function of quadrupole moment along the adiabatic potential energy curve (PEC) using EV8 program. RADIOACTIVITY ^{258}Fm(SF); calculated Density profiles for different initial Q_{2} and as a function of time, Quadrupole mass parameter from time-dependent energy density functional (TD-EDF) paths, evolution of the total collective kinetic energy as a function of time. Time-dependent microscopic mean-field theory with pairing.
doi: 10.1103/PhysRevC.92.034601
2015XU05 Phys.Rev. C 91, 024327 (2015) W.X.Xue, J.M.Yao, K.Hagino, Z.P.Li, H.Mei, Y.Tanimura Triaxially deformed relativistic point-coupling model for Λ hypernuclei: A quantitative analysis of the hyperon impurity effect on nuclear collective properties NUCLEAR STRUCTURE ^{17}O, ^{31}Si, ^{33}S, ^{41}Ca; calculated total energy, kinetic energy, rms radii of neutrons, protons, hyperon, energy of the lowest three single-particle states of hypernuclei. ^{9}Be, ^{16}O, ^{28}Si, ^{32}S, ^{40}Ca, ^{51}V, ^{89}Y, ^{139}La, ^{208}Pb; calculated binding energies in single-Λ hypernuclei. ^{51}V; calculated total energy for hypernucleus as a function of deformation parameter β. ^{25,27}Mg, ^{31}Si; calculated levels, J, π, potential-energy surfaces (PESs) of hypernuclei in (β, γ) plane. ^{24,26}Mg, ^{30}Si; calculated levels, J, π, potential energy surfaces (PES) in (β, γ) plane; deduced impurity effect of Λ_{s} and Λ_{p} hyperon on the energies and B(E2) for first 2+ states. Microscopic particle rotor model (PRM) with relativistic EDF, and triaxially deformed relativistic mean-field (RMF) approach. Comparison with experimental data.
doi: 10.1103/PhysRevC.91.024327
2014TA12 Prog.Theor.Exp.Phys. 2014, 053D02 (2014) Y.Tanimura, H.Sagawa, K.Hagino Three-body model calculations for N = Z odd-odd nuclei with T = 0 and T = 1 pairing correlations NUCLEAR STRUCTURE ^{14}N, ^{18}F, ^{30}P, ^{34}Cl, ^{42}Sc, ^{58}Cu; calculated energy levels, J, π, nuclear magnetic moments, B(M1), Gamow-Teller transition probabilities. Comparison with available data.
doi: 10.1093/ptep/ptu056
2013SA04 Phys.Rev. C 87, 034310 (2013) H.Sagawa, Y.Tanimura, K.Hagino Competition between T=1 and T=0 pairing in pf -shell nuclei with N=Z NUCLEAR STRUCTURE ^{56}Ni; calculated single particle energies, magnetic moments. ^{48}Cr, ^{56}Ni, ^{64}Ge; calculated overlap integrals of proton and neutron orbitals. ^{58}Cu; discussed g factor of ground state. Shell-model calculations for N=Z nuclei with isospin T=1 and T=0 pairing interactions, and Skyrme-Hartree-Fock wave functions.
doi: 10.1103/PhysRevC.87.034310
2013TA21 Phys.Rev. C 88, 017301 (2013) Application of the inverse Hamiltonian method to Hartree-Fock-Bogoliubov calculations
doi: 10.1103/PhysRevC.88.017301
2012TA03 Phys.Rev. C 85, 014306 (2012) Description of single-Λ hypernuclei with a relativistic point-coupling model NUCLEAR STRUCTURE ^{16}O, ^{28}Si, ^{32}S, ^{40}Ca, ^{51}V, ^{89}Y, ^{139}La, ^{208}Pb; calculated binding energies, spin-orbit splitting of single-particle energies for hypernuclei using four parameter sets, PCY-S1, PCY-S2, PCY-S3, and PCY-S4. Relativistic point-coupling model in the mean-field approximation. Comparison with experimental data. Discussed consistency of interaction with the quark model predictions.
doi: 10.1103/PhysRevC.85.014306
2012TA19 Phys.Rev. C 86, 044331 (2012) Y.Tanimura, K.Hagino, H.Sagawa Impurity effect of the Λ particle on the structure of ^{18}F and _{Λ}^{19}F NUCLEAR STRUCTURE ^{18,19}F; calculated levels, J, π, core-pn and p-n rms distances, B(E2), two-particle density distributions, configurations for ^{19}F hypernucleus and ^{18}F using a three-body shell model calculations with density-dependent contact interaction.
doi: 10.1103/PhysRevC.86.044331
2010HA25 Phys.Rev. C 82, 057301 (2010) Iterative solution of a Dirac equation with an inverse Hamiltonian method NUCLEAR STRUCTURE ^{16}O; calculated wave function of neutron 1p_{1/2} and 2s_{1/2} states using inverse Hamiltonian method. New scheme for iterative solution of Dirac equation.
doi: 10.1103/PhysRevC.82.057301
2010SE03 Nucl.Instrum.Methods Phys.Res. A618, 153 (2010) M.Segawa, Y.Toh, H.Harada, F.Kitatani, M.Koizumi, Y.Hatsukawa, T.Fukahori, H.Matsue, M.Oshima, Y.Tanimura, M.Tsutsumi, Y.Nagai A facility for measurements of (n, γ) cross-sections of a nucleus in the range 0.008 ≤ E_{n} < 20 MeV NUCLEAR REACTIONS ^{207,208}Pb, Pb(n, γ), E=20, 41, 74 keV; measured neutron TOF, Eγ, Iγ; deduced σ.
doi: 10.1016/j.nima.2010.03.127
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