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NSR database version of May 19, 2024.

Search: Author = Y.Tanimura

Found 22 matches.

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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
Citations: PlumX Metrics

2022MA33      Phys.Rev. C 106, 014307 (2022)

M.Matsumoto, Y.Tanimura

Visualization of nuclear many-body correlations with the most probable configuration of nucleons

NUCLEAR STRUCTURE 8Be, 12C, 16O, 20Ne, 24Mg, 28Si; 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 16O as a function of quadrupole moment Q2; 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
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2022TA05      Phys.Rev. C 105, 044324 (2022)

Y.Tanimura, H.Sagawa, T.-T.Sun, E.Hiyama

Ξ hypernuclei 15ΞC and 12ΞBe and the ΞN two-body interaction

NUCLEAR STRUCTURE 15C, 12Be; calculated levels, J, π, energy spectrum of the 15C and 12Be Ξ hypernuclei. Relativistic mean filed model taking into account meson exchange ΞN interactions.

doi: 10.1103/PhysRevC.105.044324
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2021YO05      Phys.Rev. C 104, 014319 (2021)

K.Yoshida, Y.Tanimura

Spin-triplet proton-neutron pair in spin-dipole excitations

NUCLEAR STRUCTURE 80Ni, 80Cu; 132Zr, 132Nb; 134Zr, 134Nb; 120Sn, 122Sb; 122Sn, 122Sb; calculated transition strength distributions for the spin-dipole (SD) 1- transition for 80Ni to 80Cu, SD 0- transitions for 132Zr to 132Nb, 134Zr to 134Nb, and SD 2- transitions for 120Sn to 120Sb and 122Sn to 122Sb 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
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2020MI02      Eur.Phys.J. A 56, 45 (2020)

F.Minato, Y.Tanimura

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
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2019TA07      Phys.Rev. C 99, 034324 (2019)


Clusterization and deformation of multi-Λ hypernuclei within a relativistic mean-field model

NUCLEAR STRUCTURE 6He, 10Be, 13B; calculated double Λ binding energies, and Λ-Λ interaction energies for hypernuclei, and compared with NAGARA, MIKAGE and MINO experimental events. 8,10,12Be, 20,22,28Ne, 28,30,36Si; 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 100Sn populated via two-neutron knockout reactions

NUCLEAR REACTIONS 1H, C(104Sn, 2n), E=150 MeV/nucleon; 1H, C(102Cd, 2n), E=144 MeV/nucleon, [secondary 104Sn and 102Cd beams from 9Be(124Xe, X), E=345 MeV/nucleon primary reaction, followed by separation of fragments using BigRIPS separator]; 1H, C(112Sn, 2n), E=170 MeV/nucleon; measured Eγ, Iγ, particles, (particle)γ-coin, two-neutron knockout σ using carbon and CH2 targets, DALI2 array for γ detection and ZeroDegree spectrometer for particles at RIBF-RIKEN facility. 100Cd, 102,110Sn; deduced first and second 2+ levels in 102Sn, first 2+ and 4+ levels in 100Cd, and first three excited states in 110Sn. Comparison with shell-model calculations, and with previous measurements. Systematics of energies of first and second 2+ states in 102Sn to 120Sn isotopes.

doi: 10.1103/PhysRevC.97.044321
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Data from this article have been entered in the XUNDL database. For more information, click here.

2017TA08      Phys.Rev.Lett. 118, 152501 (2017)

Y.Tanimura, D.Lacroix, S.Ayik

Microscopic Phase-Space Exploration Modeling of 258Fm Spontaneous Fission

RADIOACTIVITY 258Fm(SF); calculated total kinetic energy, product, yields, quadrupole and octupole deformation parameters, neutron multiplicity. Comparison with available data.

doi: 10.1103/PhysRevLett.118.152501
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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
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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 12O: Scaling of mirror asymmetry

NUCLEAR REACTIONS 1H(14O, t), E=51 MeV/nucleon, [14O secondary beam from 9Be(16O, 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. 12O; deduced levels, J, π, L-transfers, two-proton decay width. Comparison of the second 0+ state of 12O to the mirror state in 12Be and theoretical predictions. Systematics of 0+ states in mirror nuclei pairs of 6Be-6He, 8C-8He, 10C-10Be, 12O-12Be, 14O-14C, 16Ne-16C, 18Ne-18O, 20Mg-20O, 22Mg-22Ne, 24Si-24Ne, 26Si-26Mg, 28S-28Mg, 30S-30Si, 32Ar-32Si, 34Ar-34S, 36Ca-36S, 38Ca-38Ar, 40Ti-40Ar, 42Ti-42Ca, 46Cr-46Ti, 48Ni-48Ca, 50Fe-50Cr, 54Zn-54Cr, 54Ni-54Fe and 58Zn-58Ni. Discussed importance of scaling of mirror asymmetry in the context of ab initio calculations near the drip lines.

doi: 10.1103/PhysRevC.93.024316
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Data from this article have been entered in the XUNDL database. For more information, click here.

2016TA12      Phys.Rev. C 93, 064319 (2016)

Y.Tanimura, H.Sagawa

Three-body model for an isoscalar spin-triplet neutron-proton pair in 102Sb

NUCLEAR STRUCTURE 102Sb; calculated energies of isospin T=0 and 1 states, 0+ and 1+ in 102Sb, B(GT) (102Sn to 102Sb) strength distribution. 100Sn 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
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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
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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 16O, 24Mg, 28Si; calculated binding and single-particle energies, hexadecapole deformation parameters, potential energy surfaces.

doi: 10.1093/ptep/ptv083
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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 258Fm; 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 258Fm(SF); calculated Density profiles for different initial Q2 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
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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 17O, 31Si, 33S, 41Ca; calculated total energy, kinetic energy, rms radii of neutrons, protons, hyperon, energy of the lowest three single-particle states of hypernuclei. 9Be, 16O, 28Si, 32S, 40Ca, 51V, 89Y, 139La, 208Pb; calculated binding energies in single-Λ hypernuclei. 51V; calculated total energy for hypernucleus as a function of deformation parameter β. 25,27Mg, 31Si; calculated levels, J, π, potential-energy surfaces (PESs) of hypernuclei in (β, γ) plane. 24,26Mg, 30Si; calculated levels, J, π, potential energy surfaces (PES) in (β, γ) plane; deduced impurity effect of Λs and Λp 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
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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 14N, 18F, 30P, 34Cl, 42Sc, 58Cu; calculated energy levels, J, π, nuclear magnetic moments, B(M1), Gamow-Teller transition probabilities. Comparison with available data.

doi: 10.1093/ptep/ptu056
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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 56Ni; calculated single particle energies, magnetic moments. 48Cr, 56Ni, 64Ge; calculated overlap integrals of proton and neutron orbitals. 58Cu; 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
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2013TA21      Phys.Rev. C 88, 017301 (2013)

Y.Tanimura, K.Hagino, P.Ring

Application of the inverse Hamiltonian method to Hartree-Fock-Bogoliubov calculations

doi: 10.1103/PhysRevC.88.017301
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2012TA03      Phys.Rev. C 85, 014306 (2012)

Y.Tanimura, K.Hagino

Description of single-Λ hypernuclei with a relativistic point-coupling model

NUCLEAR STRUCTURE 16O, 28Si, 32S, 40Ca, 51V, 89Y, 139La, 208Pb; 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
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2012TA19      Phys.Rev. C 86, 044331 (2012)

Y.Tanimura, K.Hagino, H.Sagawa

Impurity effect of the Λ particle on the structure of 18F and Λ19F

NUCLEAR STRUCTURE 18,19F; calculated levels, J, π, core-pn and p-n rms distances, B(E2), two-particle density distributions, configurations for 19F hypernucleus and 18F using a three-body shell model calculations with density-dependent contact interaction.

doi: 10.1103/PhysRevC.86.044331
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2010HA25      Phys.Rev. C 82, 057301 (2010)

K.Hagino, Y.Tanimura

Iterative solution of a Dirac equation with an inverse Hamiltonian method

NUCLEAR STRUCTURE 16O; calculated wave function of neutron 1p1/2 and 2s1/2 states using inverse Hamiltonian method. New scheme for iterative solution of Dirac equation.

doi: 10.1103/PhysRevC.82.057301
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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 ≤ En < 20 MeV

NUCLEAR REACTIONS 207,208Pb, 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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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23110.

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