NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = H.Miyatake Found 103 matches. Showing 1 to 100. [Next]2024IM02 Phys.Lett. B 850, 138470 (2024) N.Imai, M.Dozono, S.Michimasa, T.Sumikama, S.Ota, S.Hayakawa, J.W.Hwang, K.Iribe, C.Iwamoto, S.Kawase, K.Kawata, N.Kitamura, S.Masuoka, K.Nakano, P.Schrock, D.Suzuki, R.Tsunoda, K.Wimmer, D.S.Ahn, O.Beliuskina, N.Chiga, N.Fukuda, E.Ideguchi, K.Kusaka, H.Miki, H.Miyatake, D.Nagae, S.Ohmika, M.Ohtake, H.J.Ong, H.Otsu, H.Sakurai, H.Shimizu, Y.Shimizu, X.Sun, H.Suzuki, M.Takaki, H.Takeda, S.Takeuchi, T.Teranishi, Y.Watanabe, Y.X.Watanabe, K.Yako, H.Yamada, H.Yamaguchi, L.Yang, R.Yanagihara, Y.Yanagisawa, K.Yoshida, S.Shimoura Neutron capture reaction cross-section of 79Se through the 79Se(d, p) reaction in inverse kinematics NUCLEAR REACTIONS 2H(77Se, p), (79Se, p), E=20 MeV/nucleon; measured reaction products, Eγ, Iγ. 78,80Se; deduced γ-ray energies, γ-emission probabilities, σ, isomer ratio. Comparison with available data, TALYS and code DWUCK5 calculations. The surrogate-ratio method, the RI Beam Factory operated by the RIKEN Nishina Center and the Center for Nuclear Studies (CNS), University of Tokyo, by employing the novel "optimized energy degrading optics" (OEDO) for radioactive isotope (RI) beams.
doi: 10.1016/j.physletb.2024.138470
2024XI06 Phys.Rev. C 109, 035804 (2024) W.Xian, S.Chen, S.Nikas, M.Rosenbusch, M.Wada, H.Ishiyama, D.Hou, S.Iimura, S.Nishimura, P.Schury, A.Takamine, S.Yan, F.Browne, P.Doornenbal, F.Flavigny, Y.Hirayama, Y.Ito, S.Kimura, T.M.Kojima, J.Lee, J.Liu, H.Miyatake, S.Michimasa, J.Y.Moon, S.Naimi, T.Niwase, T.Sonoda, D.Suzuki, Y.X.Watanabe, V.Werner, K.Wimmer, H.Wollnik Mass measurements of neutron-rich A ≈ 90 nuclei constrain element abundances
doi: 10.1103/PhysRevC.109.035804
2023HO11 Phys.Rev. C 108, 054312 (2023) D.S.Hou, A.Takamine, M.Rosenbusch, W.D.Xian, S.Iimura, S.D.Chen, M.Wada, H.Ishiyama, P.Schury, Z.M.Niu, H.Z.Liang, S.X.Yan, P.Doornenbal, Y.Hirayama, Y.Ito, S.Kimura, T.M.Kojima, W.Korten, J.Lee, J.J.Liu, Z.Liu, S.Michimasa, H.Miyatake, J.Y.Moon, S.Naimi, S.Nishimura, T.Niwase, T.Sonoda, D.Suzuki, Y.X.Watanabe, K.Wimmer, H.Wollnik First direct mass measurement for neutron-rich 112Mo with the new ZD-MRTOF mass spectrograph system
doi: 10.1103/PhysRevC.108.054312
2023II01 Phys.Rev.Lett. 130, 012501 (2023) S.Iimura, M.Rosenbusch, A.Takamine, Y.Tsunoda, M.Wada, S.Chen, D.S.Hou, W.Xian, H.Ishiyama, S.Yan, P.Schury, H.Crawford, P.Doornenbal, Y.Hirayama, Y.Ito, S.Kimura, T.Koiwai, T.M.Kojima, H.Koura, J.Lee, J.Liu, S.Michimasa, H.Miyatake, J.Y.Moon, S.Naimi, S.Nishimura, T.Niwase, A.Odahara, T.Otsuka, S.Paschalis, M.Petri, N.Shimizu, T.Sonoda, D.Suzuki, Y.X.Watanabe, K.Wimmer, H.Wollnik Study of the N=32 and N=34 Shell Gap for Ti and V by the First High-Precision Multireflection Time-of-Flight Mass Measurements at BigRIPS-SLOWRI ATOMIC MASSES 55Sc, 56,58Ti, 56,57,58,59V; measured TOF; deduced masses, nonexistence of the N=34 empirical two-neutron shell gaps for Ti and V, and the enhanced energy gap in Ca. Comparison with new Monte Carlo shell model calculations. RIKEN's Radioactive Isotope Beam Factory (RIBF).
doi: 10.1103/PhysRevLett.130.012501
2023NI04 Phys.Rev.Lett. 130, 132502 (2023) T.Niwase, Y.X.Watanabe, Y.Hirayama, M.Mukai, P.Schury, A.N.Andreyev, T.Hashimoto, S.Iimura, H.Ishiyama, Y.Ito, S.C.Jeong, D.Kaji, S.Kimura, H.Miyatake, K.Morimoto, J.-Y.Moon, M.Oyaizu, M.Rosenbusch, A.Taniguchi, M.Wada Discovery of New Isotope 241U and Systematic High-Precision Atomic Mass Measurements of Neutron-Rich Pa-Pu Nuclei Produced via Multinucleon Transfer Reactions NUCLEAR REACTIONS 198Pt(238U, X)235U/236U/237U/238U/239U/240U/241U/242U/235Pa/236Pa/237Pa/239Np/240Np/241Np/239Pu/240Pu/241Pu/242Pu, E=10.75 MeV/nucleon; measured reaction products, TOF. 241U; deduced new isotope production. The KEK Isotope Separation System (KISS) for the nuclear spectroscopy of nuclides produced via MNT reactions, installed at the RIKEN Nishina Center. ATOMIC MASSES 235,236,237,238,239,240,241,242U, 235,236,237Pa, 239,240,241Np, 239,240,241,242Pu; measured frequencies (the first excitation step laser wavelength), TOF; deduced mass excesses. Comparison with AME2020 evaluation.
doi: 10.1103/PhysRevLett.130.132502
2022HI07 Phys.Rev. C 106, 034326 (2022) Y.Hirayama, M.Mukai, Y.X.Watanabe, P.Schury, H.Nakada, J.Y.Moon, T.Hashimoto, S.Iimura, S.C.Jeong, M.Rosenbusch, M.Oyaizu, T.Niwase, M.Tajima, A.Taniguchi, M.Wada, H.Miyatake In-gas-cell laser resonance ionization spectroscopy of 200, 201Pt NUCLEAR MOMENTS 198,200,201Pt; measured time-of-flight (TOF) spectra for ions with mass-to-charge-ratios, laser resonance ionization spectra using Multireflection time-of-flight mass spectrograph (MRTOF-MS) at KEK Isotope Separation System (KISS) of RIKEN facility. 200,201Pt; deduced differential mean-square charge radii and isotope shifts relative to those of 198Pt, magnetic dipole and electric quadrupole moments of 201Pt, β2 deformation parameters Comparison with theoretical calculations using symmetry-conserving configuration-mixing (SCCM) with Gogny D1S energy density functionals (SCCM+Gogny D1S), finite-range droplet model (FRDM), and constrained-Hartree-Fock-Bogoliubov (CHFB) theory with five-dimensional collective Hamiltonian (5DCH) based on the Gogny D1 interaction. 201Pt; deduced most likely spin-parity of 5/2-. 198,200,201Pt produced in 198Pt(136Xe, X), E=10.75 MeV/nucleon multi-nucleon transfer reactions.
doi: 10.1103/PhysRevC.106.034326
2022MU10 Phys.Rev. C 105, 034331 (2022) M.Mukai, Y.Hirayama, Y.X.Watanabe, H.Watanabe, H.Koura, S.C.Jeong, H.Miyatake, M.Brunet, S.Ishizawa, F.G.Kondev, G.J.Lane, Yu.A.Litvinov, T.Niwase, M.Oyaizu, Zs.Podolyak, M.Rosenbusch, P.Schury, M.Wada, P.M.Walker Ground-state β-decay spectroscopy of 187Ta RADIOACTIVITY 187Ta(β-)[from W(136Xe, X), E=7.2 MeV/nucleon]; measured Eγ, Iγ, βγ-coin; deduced Iβ feedings, T1/2, logft, Iγ/β-decay. 187W; deduced Eγ, multipolarities, total conversion coefficients (BrIcc calculations). Comparison to KTUY+gross theory, FRDM+QRPA and RHB+pn-RQRPAKEK calculations. Isotope Separation System (KISS) at RIKEN, an argon-gas-cell-based laser ion source combined with an on-line isotope separator.
doi: 10.1103/PhysRevC.105.034331
2021AH02 Phys.Rev. C 103, 054312 (2021) M.Ahmed, Y.X.Watanabe, Y.Hirayama, M.Mukai, J.H.Park, P.Schury, Y.Kakiguchi, A.Ozawa, M.Oyaizu, M.Wada, H.Miyatake β-γ spectroscopy of the 195Os nucleus RADIOACTIVITY 195Os(β-)[ionized 195Os using laser system from 198Pt(136Xe, X), E=9.4 MeV/nucleon at the KEK isotope separation system (KISS) at RIKEN RIBF facility]; measured Eβ, Iβ, Eγ, Iγ, x rays, βγ- and γγ-coin, half-life of 195Os decay using a multisegmented proportional gas counter (MSPGC) for β radiation, and four clover HPGe detectors for γ rays. 195Ir; deduced levels, J, π, Iβ feedings, logft. 195Os; deduced spin and parity of the ground state. Systematics of half-lives of 195,196,197,198,199,200,201,202,203,204,205,206Os, and comparison with theoretical predictions.
doi: 10.1103/PhysRevC.103.054312
2021HI05 Nucl.Instrum.Methods Phys.Res. A997, 165152 (2021) Y.Hirayama, P.Schury, M.Mukai, H.Choi, S.Iimura, Y.X.Watanabe, M.Wada, H.Watanabe, H.Miyatake Three-dimensional tracking multi-segmented proportional gas counter for β-decay spectroscopy of unstable nuclei RADIOACTIVITY 196Ir(β-); measured decay products, Eβ, Iβ; deduced T1/2 and uncertainties.
doi: 10.1016/j.nima.2021.165152
2021NI08 Phys.Rev. C 104, 044617 (2021) T.Niwase, M.Wada, P.Schury, P.Brionnet, S.D.Chen, T.Hashimoto, H.Haba, Y.Hirayama, D.S.Hou, S.Iimura, H.Ishiyama, S.Ishizawa, Y.Ito, D.Kaji, S.Kimura, J.Liu, H.Miyatake, J.Y.Moon, K.Morimoto, K.Morita, D.Nagae, M.Rosenbusch, A.Takamine, T.Tanaka, Y.X.Watanabe, H.Wollnik, W.Xian, S.X.Yan α-decay-correlated mass measurement of 206, 207g, mRa using an α-TOF detector equipped multireflection time-of-flight mass spectrograph system ATOMIC MASSES 206,207,207mRa; measured time-of-flight spectra by α-decay-correlated mass spectroscopy using multireflection time-of-flight mass spectrograph (MRTOF-MS) system, with an α-TOF detector at SHE-Mass-II facility of RIBF-RIKEN; deduced mass excesses, and compared with evaluated data in AME2020. 207mRa; deduced excitation energy of the isomer, J, π. 206,207,207mRa isotopes produced in 159Tb(51V, X), E=306 MeV, followed by separation of evaporation residues using recoil ion separator GARIS-II at RIKEN. RADIOACTIVITY 206,207mRa(α)[from 159Tb(51V, X), E=306 MeV at RIBF-RIKEN]; measured Eα, Iα, T1/2 of decays of 206Ra and 207mRa, excitation energy of the isomer; deduced α-reduced width, configuration. Systematics of spins, parities, Eα, T1/2, α-branching ratios, reduced α widths for 203,203m,205,205m,207,207mRa. 198,199Po, 202,203At, 202,203Rn, 206,207Fr, 207Ra; observed α spectra from decays.
doi: 10.1103/PhysRevC.104.044617
2021SC14 Phys.Rev. C 104, L021304 (2021) P.Schury, T.Niwase, M.Wada, P.Brionnet, S.Chen, T.Hashimoto, H.Haba, Y.Hirayama, D.S.Hou, S.Iimura, H.Ishiyama, S.Ishizawa, Y.Ito, D.Kaji, S.Kimura, H.Koura, J.J.Liu, H.Miyatake, J.-Y.Moon, K.Morimoto, K.Morita, D.Nagae, M.Rosenbusch, A.Takamine, Y.X.Watanabe, H.Wollnik, W.Xian, S.X.Yan First high-precision direct determination of the atomic mass of a superheavy nuclide ATOMIC MASSES 257Db; measured Eα, time-of flight, distribution of time-of-flight (ToF)-correlated α-decay events using multireflection time-of-flight mass spectrograph (MRTOF-MS) at RIKEN Ring Cyclotron facility; deduced A/q and mass excess for each of the 11 observed correlated events assigned to 257Db. Comparison with AME2016 evaluated data. 257Db isotope produced in 208Pb(51V, 2n), E=306 MeV reaction, followed by separation of fragments using GARIS-II separator.
doi: 10.1103/PhysRevC.104.L021304
2021WA15 Phys.Lett. B 814, 136088 (2021) H.Watanabe, Y.X.Watanabe, Y.Hirayama, A.N.Andreyev, T.Hashimoto, F.G.Kondev, G.J.Lane, Yu.A.Litvinov, J.J.Liu, H.Miyatake, J.Y.Moon, A.I.Morales, M.Mukai, S.Nishimura, T.Niwase, M.Rosenbusch, P.Schury, Y.Shi, M.Wada, P.M.Walker Beta decay of the axially asymmetric ground state of 192Re RADIOACTIVITY 192Re(β-) [from Pt(136Xe, X)192Re, E=10.75 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, level scheme, J, π. Comparison with single-particle structure using the nuclear Skyrme-Hartree-Fock model. KEK Isotope Separation System (KISS) in RIKEN Nishina Center.
doi: 10.1016/j.physletb.2021.136088
2021WA39 Phys.Rev. C 104, 024330 (2021) Y.X.Watanabe, P.M.Walker, Y.Hirayama, M.Mukai, H.Watanabe, G.J.Lane, M.Ahmed, M.Brunet, T.Hashimoto, S.Ishizawa, S.Kimura, F.G.Kondev, Yu.A.Litvinov, H.Miyatake, J.Y.Moon, T.Niwase, M.Oyaizu, J.H.Park, Zs.Podolyak, M.Rosenbusch, P.Schury, M.Wada First direct observation of isomeric decay in neutron-rich odd-odd 186Ta RADIOACTIVITY 186Ta(β-), 186mTa(IT)[from W(136Xe, X), E=7.2 MeV/nucleon, followed by laser ionization and mass separation at the KEK Isotope Separation System (KISS) of RIBF-RIKEN facility]; measured Eγ, Iγ, (particle)γ-coin, half-lives of decays of 186Ta and neutral 186mTa from γ-decay curves. 186Ta; deduced levels, J, π, E3 multipolarity of the 161-keV isomeric transition from a comparison of measured half-life of the neutral isomer with previous measurements of the ionized isomeric state of 186Ta using the Experimental Storage Ring at GSI Darmstadt, no evidence found for the β decay mode of the 186Ta isomer.
doi: 10.1103/PhysRevC.104.024330
2020CH33 Phys.Rev. C 102, 034309 (2020) H.Choi, Y.Hirayama, S.Choi, T.Hashimoto, S.C.Jeong, H.Miyatake, J.Y.Moon, M.Mukai, T.Niwase, M.Oyaizu, M.Rosenbusch, P.Schury, A.Taniguchi, Y.X.Watanabe, M.Wada In-gas-cell laser ionization spectroscopy of 194, 196Os isotopes by using a multireflection time-of-flight mass spectrograph NUCLEAR MOMENTS 194,196Os; measured laser resonance spectra, time-of-flight spectra using the in-gas-cell laser ionization method and multireflection time-of-flight mass spectrograph (MRTOF-MS); deduced isotope shifts, change in mean-square charge radii and quadrupole deformation parameters. 194,196Os produced in 198Pt(136Xe, X), E=10.75 MeV/nucleon reaction at the KEK Isotope Separation System (KISS). 188,189,190,192,194,196Os; systematics of the change in mean-square charge radii and quadrupole deformation parameters, and their comparison with theoretical calculations.
doi: 10.1103/PhysRevC.102.034309
2020HI01 Nucl.Instrum.Methods Phys.Res. B463, 425 (2020) Y.Hirayama, Y.X.Watanabe, M.Mukai, P.Schury, M.Ahmed, H.Ishiyama, S.C.Jeong, Y.Kakiguchi, S.Kimura, J.Y.Moon, M.Oyaizu, J.H.Park, M.Wada, H.Miyatake Nuclear spectroscopy of r-process nuclei using KEK Isotope Separation System NUCLEAR REACTIONS 198Pt(136Xe, X)196Os/197Os/198Os/198Pt/199Pt, E=10.75 MeV/nucleon; measured reaction products, Eβ, Iβ, Eγ, Iγ; deduced T1/2 for osmium, HFS spectra for platinum.
doi: 10.1016/j.nimb.2019.04.035
2020MU16 Phys.Rev. C 102, 054307 (2020) M.Mukai, Y.Hirayama, Y.X.Watanabe, S.Schiffmann, J.Ekman, M.Godefroid, P.Schury, Y.Kakiguchi, M.Oyaizu, M.Wada, S.C.Jeong, J.Y.Moon, J.H.Park, H.Ishiyama, S.Kimura, H.Ueno, M.Ahmed, A.Ozawa, H.Watanabe, S.Kanaya, H.Miyatake In-gas-cell laser resonance ionization spectroscopy of 196, 197, 198Ir NUCLEAR MOMENTS 196,197,198Ir; measured hyperfine structure (HFS) spectra using in-gas-cell laser resonance ionization spectroscopy at the KEK Isotope Separation System at RIBF-RIKEN facility; deduced spins for the ground states, magnetic dipole moments, mean-square charge radii, isotope shifts, β2 deformation parameters. Comparison with theoretical calculations based on the strong coupling model. Comparison with previous experimental results. Systematics of quadrupole moments, magnetic dipole moments, mean-square charge radii and β2 deformation parameters for 189,191,193,196,197,198Ir. NUCLEAR REACTIONS 198Pt(136Xe, X)196Ir/197Ir/198Ir, E=10.75 MeV/nucleon; measured extraction yields, Eβ, half-lives of the decays of 196Ir, 197Ir and 198Ir. The Ir isotopes produced in multi-nucleon transfer reaction. Comparison with previous experimental half-lives.
doi: 10.1103/PhysRevC.102.054307
2020WA12 Phys.Rev. C 101, 041305 (2020), Erratum Phys.Rev. C 103, 019902 (2021) Y.X.Watanabe, M.Ahmed, Y.Hirayama, M.Mukai, J.H.Park, P.Schury, Y.Kakiguchi, S.Kimura, A.Ozawa, M.Oyaizu, M.Wada, H.Miyatake Deexcitation γ-ray transitions from the long-lived Iπ = 13/2+ metastable state in 195Os RADIOACTIVITY 195mOs(IT)[from 198Pt(136Xe, X), E=9.4 MeV/nucleon, followed by separation of fragments using KEK Isotope Separation System (KISS) at RIBF-RIKEN facility, and laser excitation of 195Os isomer]; measured Eγ, Iγ, ce, γγ- and (ce)γ-coin, neutral atom T1/2 of the 47-s, (13/2+) isomer from x-ray and γ-ray decay curves using multi-segmented proportional gas counter (MSPGC) for β, x-rays and conversion electrons, and four HPGe clover detectors for γ radiation. 195Os; deduced levels, J, π; discussed multipolarity of the low-energy γ transition from the isomer. Comparison with previous measurement of the 195mOs isomer and half-life of the fully-stripped isomer using the ESR at GSI. Comparison with experimental results for level schemes from the decays of the 13/2+ isomers in 197Pt and 199Hg.
doi: 10.1103/PhysRevC.101.041305
2020WA29 Phys.Rev.Lett. 125, 192505 (2020) P.M.Walker, Y.Hirayama, G.J.Lane, H.Watanabe, G.D.Dracoulis, M.Ahmed, M.Brunet, T.Hashimoto, S.Ishizawa, F.G.Kondev, Y.A.Litvinov, H.Miyatake, J.Y.Moon, M.Mukai, T.Niwase, J.H.Park, Z.Podolyak, M.Rosenbusch, P.Schury, M.Wada, X.Y.Watanabe, W.Y.Liang, F.R.Xu Properties of 187Ta Revealed through Isomeric Decay RADIOACTIVITY 187Ta(IT) [from W(136Xe, X), E=7.2 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ, γ-γ-, β-γ-coin.; deduced level energies, J, π, T1/2. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.125.192505
2019MA58 Phys.Rev. C 100, 024602 (2019) M.Mazzocco, N.Keeley, A.Boiano, C.Boiano, M.La Commara, C.Manea, C.Parascandolo, D.Pierroutsakou, C.Signorini, E.Strano, D.Torresi, H.Yamaguchi, D.Kahl, L.Acosta, P.Di Meo, J.P.Fernandez-Garcia, T.Glodariu, J.Grebosz, A.Guglielmetti, Y.Hirayama, N.Imai, H.Ishiyama, N.Iwasa, S.C.Jeong, H.M.Jia, Y.H.Kim, S.Kimura, S.Kubono, G.La Rana, C.J.Lin, P.Lotti, G.Marquinez-Duran, I.Martel, H.Miyatake, M.Mukai, T.Nakao, M.Nicoletto, A.Pakou, K.Rusek, Y.Sakaguchi, A.M.Sanchez-Benitez, T.Sava, O.Sgouros, V.Soukeras, F.Soramel, E.Stiliaris, L.Stroe, T.Teranishi, N.Toniolo, Y.Wakabayashi, Y.X.Watanabe, L.Yang, Y.Y.Yang, H.Q.Zhang Elastic scattering for the 8B and 7Be + 208Pb systems at near-Coulomb barrier energies NUCLEAR REACTIONS 208Pb(8B, 8B), E=50 MeV, [8B secondary beam from 3He(6Li, 8B), E=11.2 MeV/nucleon primary reaction at RIKEN]; 208Pb(7Be, 7Be), E=37.4, 40.5, 42.2 MeV, [7Be secondary beam from 1H(7Li, 7Be), E=48.8 MeV primary reaction at LNL-Legnaro]; measured charged particles, σ(θ, E) using the EXPADES detector array, and angular distribution; analyzed by optical model and the continuum discretized coupled channels (CDCC) formalisms. Experiments performed at the CNS Radioactive Ion Beams (CRIB) facility at RIKEN, and EXOTIC facility at the Laboratori Nazionali di Legnaro (LNL).
doi: 10.1103/PhysRevC.100.024602
2018HI07 Phys.Rev. C 98, 014321 (2018), Erratum Phys.Rev. C 106, 069902 (2022) Y.Hirayama, Y.X.Watanabe, M.Mukai, M.Ahmed, S.C.Jeong, Y.Kakiguchi, S.Kimura, M.Oyaizu, J.H.Park, P.Schury, M.Wada, H.Watanabe, H.Miyatake β- and γ-decay spectroscopy of 197, 198Os RADIOACTIVITY 196,197,198Os, 198Ir(β-)[from 198Pt(136Xe, X), E=10.75 MeV/nucleon using KEK Isotope Separation System (KISS) at RIKEN, an argon-gas-cell-based laser ion source combined with an on-line isotope separator]; measured β- radiation using multisegmented proportional gas counter (MSPGC), Eγ, Iγ, γγ- and βγ-coin with particle selection condition of Os and Ir, half-lives of decays of 196,197,198Os and 198Ir. 197,198Ir, 198Pt; deduced levels, Iβ feedings, logft, configurations of parent and daughter states. 197mTl(IT); measured Eγ, Iγ, T1/2; deduced conversion coefficients and compared with previous results. Comparison with previous experimental data. A=195-206, Z=76; comparison of measured β-decay half-lives with theoretical results from DF3, FRDM, and KUTY models.
doi: 10.1103/PhysRevC.98.014321
2018IT04 Phys.Rev.Lett. 120, 152501 (2018) Y.Ito, P.Schury, M.Wada, F.Arai, H.Haba, Y.Hirayama, S.Ishizawa, D.Kaji, S.Kimura, H.Koura, M.MacCormick, H.Miyatake, J.Y.Moon, K.Morimoto, K.Morita, M.Mukai, I.Murray, T.Niwase, K.Okada, A.Ozawa, M.Rosenbusch, A.Takamine, T.Tanaka, Y.X.Watanabe, H.Wollnik, S.Yamaki First Direct Mass Measurements of Nuclides around Z=100 with a Multireflection Time-of-Flight Mass Spectrograph NUCLEAR REACTIONS 232Th(19F, 5n)246Es, E=99.6, 103 MeV;238U(18O, 5n)251Fm, E=93.9 MeV; 203Tl(48Ca, 2n)249Md, E=215 MeV; 205Tl(48Ca, 3n)250Md, E=223 MeV; 205Tl(48Ca, 2n)251Md, E=215 MeV; 238U(19F, 5n)252md, E=98.6 MeV; 208Pb(48Ca, 2n)254No, E=219 MeV; measured reaction products, TOF; deduced mass excesses. Comparison with available data. ATOMIC MASSES 253,254Lr, 257,258Db, 261,262Bh, 266Mt; analyzed available data; deduced mass excesses.
doi: 10.1103/PhysRevLett.120.152501
2018KI21 Int.J. Mass Spectrom. 430, 134 (2018) S.Kimura, Y.Ito, D.Kaji, P.Schury, M.Wada, H.Haba, T.Hashimoto, Y.Hirayama, M.MacCormick, H.Miyatake, J.Y.Moon, K.Morimoto, M.Mukai, I.Murray, A.Ozawa, M.Rosenbusch, H.Schatz, A.Takamine, T.Tanaka, Y.X.Watanabe, H.Wollnik Atomic masses of intermediate-mass neutron-deficient nuclei with relative uncertainty down to 35-ppb via multireflection time-of-flight mass spectrograph ATOMIC MASSES 63Cu, 64,65,66Zn, 65Ga, 65,66,67Ge, 67As, 78,81Br, 80Rb, 79Sr; measured frequencies, TOF; deduced masses, new mass excess values. Comparison with AME16 evaluations. NUCLEAR REACTIONS S(36Ar, X)63Cu/64Zn/65Zn/66Zn/65Ga/65Ge/66Ge/67Ge/67As/78Br/81Br/80Rb/79Sr, E=3.30 MeV/nucleon; measured reaction products; deduced σ. Comparison with theoretical calculations of fusion-evaporation reactions.
doi: 10.1016/j.ijms.2018.05.001
2018MU19 Nucl.Instrum.Methods Phys.Res. A884, 1 (2018) M.Mukai, Y.Hirayama, Y.X.Watanabe, P.Schury, H.S.Jung, M.Ahmed, H.Haba, H.Ishiyama, S.C.Jeong, Y.Kakiguchi, S.Kimura, J.Y.Moon, M.Oyaizu, A.Ozawa, J.H.Park, H.Ueno, M.Wada, H.Miyatake High-efficiency and low-background multi-segmented proportional gas counter for β-decay spectroscopy RADIOACTIVITY 198Ir(β-), 199Pt(IT), (β-) [from 198Pt(136Xe, X), E=9.6 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ, β-γ-coin.; deduced T1/2 and uncertainties. Comparison with available data.
doi: 10.1016/j.nima.2017.12.013
2018RO14 Phys.Rev. C 97, 064306 (2018) M.Rosenbusch, Y.Ito, P.Schury, M.Wada, D.Kaji, K.Morimoto, H.Haba, S.Kimura, H.Koura, M.MacCormick, H.Miyatake, J.Y.Moon, K.Morita, I.Murray, T.Niwase, A.Ozawa, M.Reponen, A.Takamine, T.Tanaka, H.Wollnik New mass anchor points for neutron-deficient heavy nuclei from direct mass measurements of radium and actinium isotopes ATOMIC MASSES 210,211,212,214Ra, 210,211,212,213,214Ac; measured time of flight, and mass excess using multireflection time-of-flight mass spectrograph (MRTOF-MS) at superheavy element (SHE) mass facility of RIKEN-KEK, and using gas-filled recoil ion separator GARIS-II at RIKEN. Comparison with values from AME-2016. Ra and Ac isotopes produced in 169Tm(48Ca, X), E=5, 6 MeV/nucleon reaction at RIKEN. Z=82-92, N=121-129; systematics of S(2n) values.
doi: 10.1103/PhysRevC.97.064306
2017DA11 Phys.Rev. C 95, 055805 (2017) S.K.Das, T.Fukuda, Y.Mizoi, H.Ishiyama, H.Miyatake, Y.X.Watanabe, Y.Hirayama, S.C.Jeong, H.Ikezoe, M.Matsuda, K.Nishio, T.Hashimoto New measurement of the 8Li(α, n)11B reaction in a lower-energy region below the Coulomb barrier NUCLEAR REACTIONS 4He(8Li, n)11B, E=15.1 MeV, [secondary 8Li beam from 9Be(7Li, X), E=24.0 MeV primary reaction using recoil-mass separator at JAERI tandem accelerator facility]; measured 8Li ion energies using time-of-flight method, 11B particle spectra by an active-target-type gas counter MSTPC, and neutron spectra by segmented plastic-scintillator detector, σ as function of center of mass energy including Gamow window region, and predominant energy region for the big bang nucleosynthesis. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.95.055805
2017HI05 Phys.Rev. C 96, 014307 (2017) Y.Hirayama, M.Mukai, Y.X.Watanabe, M.Ahmed, S.C.Jeong, H.S.Jung, Y.Kakiguchi, S.Kanaya, S.Kimura, J.Y.Moon, T.Nakatsukasa, M.Oyaizu, J.H.Park, P.Schury, A.Taniguchi, M.Wada, K.Washiyama, H.Watanabe, H.Miyatake In-gas-cell laser spectroscopy of the magnetic dipole moment of the N ≈ 126 isotope 199Pt NUCLEAR MOMENTS 199Pt, 199mPt; measured magnetic dipole and electric quadrupole moments, isotope shifts, mean-square charge radii by hyperfine splitting of the 48.792-nm transition using the in-gas-cell laser ionization spectroscopy (IGLIS), and the half-lives of the ground state and the isomer; discussed configurations. 192,196,198Pt; measured mean-square charge radii relative to that of 194Pt by hyperfine structure. Pt isotopes produced in 198Pt(136Xe, X), E=10.75 MeV/nucleon reaction using the on-line KEK Isotope Separation System (KISS) at RIKEN. Comparison with previous experimental results, and with self-consistent Bogoliubov (HFB) model calculations. Systematics of magnetic dipole moments of 5/2- and 13/2+ states in 193,195,197,199Pt and 197,199Hg. Systematics of mean square charge radius and quadrupole deformation in A=178-199 Pt isotopes.
doi: 10.1103/PhysRevC.96.014307
2017SC02 Phys.Rev. C 95, 011305 (2017) P.Schury, M.Wada, Y.Ito, D.Kaji, F.Arai, M.MacCormick, I.Murray, H.Haba, S.Jeong, S.Kimura, H.Koura, H.Miyatake, K.Morimoto, K.Morita, A.Ozawa, M.Rosenbusch, M.Reponen, P.-A.Soderstrom, A.Takamine, T.Tanaka, H.Wollnik First online multireflection time-of-flight mass measurements of isobar chains produced by fusion-evaporation reactions: Toward identification of superheavy elements via mass spectroscopy ATOMIC MASSES 204,205,206Fr, 204,205,206Rn, 204,205,206At, 204,205Po, 205Bi; measured time-of-flight spectra, precise atomic masses with reference to that of 205Fr using GARIS-II recoil ion separator GARIS-II and multireflection time-of-flight mass spectrographs (MRTOF-MS) at RILAC-RIKEN facility. Isotopes produced in 165Ho, 169Tm(40Ar, X), E=4.825, 5.16 MeV/nucleon. Comparison with AME-2012 values, and previous experimental values.
doi: 10.1103/PhysRevC.95.011305
2017ST07 Acta Phys.Pol. B48, 615 (2017) E.Strano, D.Torresi, M.Mazzocco, N.Keeley, A.Boiano, C.Boiano, P.Di Meo, A.Guglielmetti, M.La Commara, P.Molini, C.Manea, C.Parascandolo, D.Pierroutsakou, C.Signorini, F.Soramel, D.Filipescu, A.Gheorghe, T.Glodariu, J.Grebosz, S.Jeong, Y.H.Kim, J.A.Lay, H.Miyatake, M.Nicoletto, A.Pakou, K.Rusek, O.Sgouros, V.Soukeras, L.Stroe, N.Toniolo, A.Vitturi, Y.Watanabe, K.Zerva Discrimination of Processes and Optical Model Analysis in the 17O+52Ni Collision Around the Coulomb Barrier NUCLEAR REACTIONS 58Ni(17O, 17O), E=40-50 MeV; measured reaction products; deduced σ(θ); calculated σ(θ) using self-normalization formula and using optical model; deduced imaginary radius parameter, optical model parameters. Compared with 58Ni(16O, 16O) and 58Ni(17F, 17F).
doi: 10.5506/APhysPolB.48.615
2016HI09 Nuovo Cim. C 39, 359 (2016) Y.Hirayama, Y.X.Watanabe, H.Miyatake, P.Schury, M.Wada, M.Oyaizu, Y.Kakiguchi, M.Mukai, S.Kimura, M.Ahmed, S.C.Jeong, J.Y.Moon, J.H.Park Nuclear spectroscopy of r-process nuclei around N=126 using KISS RADIOACTIVITY 199Pt, 196Ir(β-); measured decay products; deduced T1/2 and their uncertainties. Laser resonance ionization technique in the gas cell.
doi: 10.1393/ncc/i2016-16359-9
2016KU11 Phys.Rev. C 93, 054313 (2016) A.Kusoglu, G.Georgiev, C.Sotty, D.L.Balabanski, A.Goasduff, Y.Ishii, Y.Abe, K.Asahi, M.Bostan, R.Chevrier, M.Chikamori, J.M.Daugas, T.Furukawa, H.Nishibata, Y.Ichikawa, Y.Ishibashi, R.Lozeva, H.Miyatake, D.Nagae, T.Nanao, M.Niikura, T.Niwa, S.Okada, A.Ozawa, Y.Saito, H.Shirai, H.Ueno, D.T.Yordanov, N.Yoshida Magnetic moment of the 13/2+ isomeric state in 69Cu: Spin alignment in the one-nucleon removal reaction NUCLEAR MOMENTS 69Cu; measured Eγ, Iγ, γγ-, (particle)γ-coin, γ-ray yields, γ(θ), Larmor precession under external magnetic field, time-dependent perturbed angular distribution (TDPAD) method; deduced isomer half-life, magnetic moment, multipolarity, spin alignment in one-nucleon removal reaction at RIKEN facility. 69Cu beam from 9Be(70Zn, X), E=63.13 MeV/nucleon reaction using RIPS separator at RIKEN. NUCLEAR REACTIONS 9Be(70Zn, X)69Cu, E=63.13 MeV/nucleon; measured Eγ, Iγ, γγ-coin, γ(θ), isomer half-life by γ(t) using RIPS separator at RIKEN. 69Cu; deduced levels, multipolarity, g factor of a level in 69Cu, configurations. Comparison with shell-model calculations using JUN45 and jj4b interactions.
doi: 10.1103/PhysRevC.93.054313
2016ST18 Phys.Rev. C 94, 024622 (2016) E.Strano, D.Torresi, M.Mazzocco, N.Keeley, A.Boiano, C.Boiano, P.Di Meo, A.Guglielmetti, M.la Commara, P.Molini, C.Manea, C.Parascandolo, D.Pierroutsakou, C.Signorini, F.Soramel, D.Filipescu, A.Gheorghe, T.Glodariu, J.Grebosz, S.Jeong, Y.H.Kim, J.A.Lay, H.Miyatake, M.Nicoletto, A.Pakou, K.Rusek, O.Sgouros, V.Soukeras, L.Stroe, N.Toniolo, A.Vitturi, Y.Watanabe, K.Zerva 17O + 58Ni scattering and reaction dynamics around the Coulomb barrier NUCLEAR REACTIONS 58Ni(17O, 17O), (17O, X), E=40.0, 42.5, 45.0, 47.5, 50.0 MeV; measured reaction products, σ(θ) for elastic scattering, angular distributions for 1n-stripping process leading to states in 59Ni, angular distributions for target excitation to its first excited 2+ state, total σ(E). Optical model analysis using Woods-Saxon (WS) potentials and code FRESCO for elastic scattering data.
doi: 10.1103/PhysRevC.94.024622
2015HI02 Phys.Rev. C 91, 024328 (2015) Y.Hirayama, T.Shimoda, H.Miyatake, H.Izumi, A.Hatakeyama, K.P.Jackson, C.D.P.Levy, M.Pearson, M.Yagi, H.Yano Unexpected spin-parity assignments of the excited states in 9Be RADIOACTIVITY 9Li(β-), (β-n)[30.5 keV 9Li beam polarized by collinear optical pumping technique]; measured Eβ, E(n) by TOF, I(n), nβ-coin, β-decay asymmetry spectrum as function of TOF at TRIUMF-ISAC facility. 9Be; deduced levels, J, π, β-delayed neutron transitions, asymmetry parameter for each β transition, Iβ, logft. Comparison with previous experimental data, and theoretical shell-model calculations. 5He, 8Be; deduced neutron branching ratios from states in 9Be through n+8Be and α+5He channels to 0+ and first 2+ states in 8Be and 3/2- state in 5He.
doi: 10.1103/PhysRevC.91.024328
2015WA30 Phys.Rev.Lett. 115, 172503 (2015) Y.X.Watanabe, Y.H.Kim, S.C.Jeong, Y.Hirayama, N.Imai, H.Ishiyama, H.S.Jung, H.Miyatake, S.Choi, J.S.Song, E.Clement, G.de France, A.Navin, M.Rejmund, C.Schmitt, G.Pollarolo, L.Corradi, E.Fioretto, D.Montanari, M.Niikura, D.Suzuki, H.Nishibata, J.Takatsu Pathway for the Production of Neutron-Rich Isotopes around the N=126 Shell Closure NUCLEAR REACTIONS 198Pt(136Xe, X)138Ba/140Ba/194Os/196Os, E=7.98 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ.
doi: 10.1103/PhysRevLett.115.172503
2014AS03 Physics of Part.and Nuclei 45, 199 (2014) K.Asahi, Y.Ichikawa, M.Chikamori, Y.Ohtomo, E.Hikota, T.Suzuki, T.Inoue, T.Furukawa, A.Yoshimi, K.Suzuki, T.Nanao, H.Miyatake, M.Tsuchiya, N.Yoshida, H.Shirai, T.Ino, H.Ueno, Y.Matsuo, T.Fukuyama Search for electric dipole moment in 129Xe atom using a nuclear spin oscillator ATOMIC PHYSICS 129Xe; analyzed experimental sensitivity for electric dipole moment measurements.
doi: 10.1134/S1063779614010080
2014SH01 Hyperfine Interactions 225, 183 (2014) T.Shimoda, K.Tajiri, K.Kura, A.Odahara, M.Suga, Y.Hirayama, N.Imai, H.Miyatake, M.Pearson, C.D.P.Levy, K.P.Jackson, R.Legillon, C.Petrache, T.Fukuchi, N.Hamatani, T.Hori, M.Kazato, Y.Kenmoku, T.Masue, H.Nishibata, T.Suzuki, A.Takashima, R.Yokoyama Nuclear structure explored by β-delayed decay spectroscopy of spin-polarized radioactive nuclei at TRIUMF ISAC-1 RADIOACTIVITY 29,30Na(β-); measured decay products, Eγ, Iγ; deduced energy levels, J, π. Comparison with available data.
doi: 10.1007/s10751-013-0895-5
2013IN03 Hyperfine Interactions 220, 59 (2013) T.Inoue, T.Furukawa, A.Yoshimi, Y.Ichikawa, M.Chikamori, Y.Ohtomo, M.Tsuchiya, N.Yoshida, H.Shirai, M.Uchida, K.Suzuki, T.Nanao, H.Miyatake, H.Ueno, Y.Matsuo, T.Fukuyama, K.Asahi Nuclear spin maser and experimental search for 129Xe atomic EDM NUCLEAR MOMENTS 129Xe; measured time-variations of the maser frequency and the cell temperature; deduced sources of systematic errors in electric dipole moment measurements.
doi: 10.1007/s10751-012-0751-z
2013SO02 Nucl.Instrum.Methods Phys.Res. B295, 1 (2013) T.Sonoda, M.Wada, H.Tomita, C.Sakamoto, T.Takatsuka, T.Furukawa, H.Iimura, Y.Ito, T.Kubo, Y.Matsuo, H.Mita, S.Naimi, S.Nakamura, T.Noto, P.Schury, T.Shinozuka, T.Wakui, H.Miyatake, S.Jeong, H.Ishiyama, Y.X.Watanabe, Y.Hirayama, K.Okada, A.Takamine Development of a resonant laser ionization gas cell for high-energy, short-lived nuclei ATOMIC PHYSICS Fe, Co, Nb, Cu; measured laser wavelength for resonance ionization, transport efficiency. Comparison with calculations.
doi: 10.1016/j.nimb.2012.10.009
2013UE01 Phys.Rev. C 87, 034316 (2013) H.Ueno, H.Miyatake, Y.Yamamoto, S.Tanimoto, T.Shimoda, N.Aoi, K.Asahi, E.Ideguchi, M.Ishihara, H.Izumi, T.Kishida, T.Kubo, S.Mitsuoka, Y.Mizoi, M.Notani, H.Ogawa, A.Ozawa, M.Sasaki, T.Shirakura, N.Takahashi, K.Yoneda β-delayed neutron and γ-ray spectroscopy of 17C utilizing spin-polarized 17B RADIOACTIVITY 17B(β-), (β-n), (β-2n)[spin polarized 17B beam from β-NMR technique in 93Nb(22Ne, X), E=110 MeV/nucleon reaction]; 16,17C, 17N(β-), (β-n)[from 17B decay]; 15C, 16N(β-)[from 17B decay products]; measured Eγ, Iγ, Eβ, Iβ, E(n) by TOF, I(n), β-NMR, βγ-, βγγ-, βnγ-coin at RIKEN facility. 17C; deduced levels, J, π, widths, P(0n), P(1n), P(2n), B(GT). 15,16C, 15,17N; deduced levels. No γ rays observed for delayed-3n and delayed-4n channels of 17B decay, thus P(3n), P(4n) not determined. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.87.034316
2013WA29 Nucl.Instrum.Methods Phys.Res. B317, 752 (2013) Y.X.Watanabe, Y.Hirayama, N.Imai, H.Ishiyama, S.C.Jeong, H.Miyatake, E.Clement, G.de France, A.Navin, M.Rejmund, C.Schmitt, G.Pollarolo, L.Corradi, E.Fioretto, D.Montanari, S.H.Choi, Y.H.Kim, J.S.Song, M.Niikura, D.Suzuki, H.Nishibata, J.Takatsu Study of collisions of 136Xe + 198Pt for the KEK isotope separator NUCLEAR REACTIONS 198Pt(136Xe, X), E=8 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced isotopic distribution of projectile like fragments around the neutron magic number N=126.
doi: 10.1016/j.nimb.2013.04.036
2012HI03 Eur.Phys.J. A 48, 54 (2012) Y.Hirayama, M.Mihara, Y.X.Watanabe, S.C.Jeong, H.Miyatake, S.Momota, T.Hashimoto, N.Imai, K.Matsuta, H.Ishiyama, S.Ichikawa, T.Ishii, T.Izumikawa, I.Katayama, H.Kawakami, H.Kawamura, I.Nishinaka, K.Nishio, H.Makii, S.Mitsuoka, A.Osa, Y.Otokawa, T.K.Sato Tilted-foil technique for producing a spin-polarized radioactive isotope beam
doi: 10.1140/epja/i2012-12054-1
2012IM01 Phys.Rev. C 85, 034313 (2012) N.Imai, Y.Hirayama, Y.X.Watanabe, T.Teranishi, T.Hashimoto, S.Hayakawa, Y.Ichikawa, H.Ishiyama, S.C.Jeong, D.Kahl, S.Kubono, H.Miyatake, H.Ueno, H.Yamaguchi, K.Yoneda, A.Yoshimi Isobaric analog resonances of the N=21 nucleus 35Si NUCLEAR REACTIONS 1H(34Si, p), [secondary 34Si from fragmentation of 63 MeV/nucleon 40Ar beam], E=5 MeV/nucleon; measured particle spectra, energy loss, cross sections of the proton elastic scattering at E(p)(cm)=2.5-5.5 MeV. 35P; deduced resonances, proton widths, total widths, spectroscopic factors; IAR of 35Si states. R-matrix analysis. 35Si; deduced levels, J, π from IAR assignment. Thick target inverse kinematics (TTIK) experiments at RIKEN facility. Comparison of 35Si levels with those in N=21 nuclei of 33Mg, 37S, 39Ar, 41Ca. Comparison with previous studies.
doi: 10.1103/PhysRevC.85.034313
2012KU11 Phys.Rev. C 85, 034310 (2012) K.Kura, K.Tajiri, T.Shimoda, A.Odahara, T.Hori, M.Kazato, T.Masue, M.Suga, A.Takashima, T.Suzuki, T.Fukuchi, Y.Hirayama, N.Imai, H.Miyatake, M.Pearson, C.D.P.Levy, K.P.Jackson Structure of 28Mg studied by β-decay spectroscopy of spin-polarized 28Na: The first step of systematic studies on neutron-rich Mg isotopes RADIOACTIVITY 28Na[from Ta(p, X), E=500 MeV](β-); measured Eγ, Iγ, Iβ, βγ-, γγ-coin, β asymmetry at ISAC, TRIUMF facility, spin polarized 28Na. 28Mg; deduced levels, J, π, transition probabilities, β feedings, logft. Comparison with previous studies, and shell model predictions with USD, USDA, USDB Hamiltonian calculations. Discussed shell evolution in the region of the N=20 island of inversion.
doi: 10.1103/PhysRevC.85.034310
2012SH29 Prog.Theor.Phys.(Kyoto), Suppl. 196, 310 (2012) T.Shimoda, K.Tajiri, A.Odahara, M.Suga, N.Hamatani, H.Nishibata, J.Takatsu, R.Yokoyama, Y.Hirayama, N.Imai, H.Miyatake, M.Pearson, C.D.P.Levy, K.P.Jackson, R.Leguillon, C.Petrache Structure of Mg Isotope Studied by β-Decay Spectroscopy of Spin-Polarized Na Isotopes - Shape Coexistence in 30Mg - RADIOACTIVITY 30Na(β-); measured decay products, Eγ, Iγ; deduced level scheme, energies, J, π. Comparison with available data.
doi: 10.1143/PTPS.196.310
2011HI15 Eur.Phys.J. A 47, 138 (2011) Y.Hirayama, M.Mihara, Y.X.Watanabe, S.C.Jeong, N.Imai, K.Matsuta, H.Miyatake, T.Hashimoto, H.Ishiyama, S.Ichikawa, T.Ishii, T.Izumikawa, I.Katayama, H.Kawakami, I.Nishinaka, K.Nishio, H.Makii, S.Mitsuoka, S.Momota, A.Osa, Y.Otokawa, T.K.Sato, Y.Wakabayashi Spin-polarization of radioactive 123Ing.s. by the tilted-foil method RADIOACTIVITY 123In(β-)[from U(p, F), E=34 MeV]; measured Iβ(θ, t), β polarization using tilted multifoils at ISOL-based facility TRIAC and β-NMR technique; deduced asymmetry.
doi: 10.1140/epja/i2011-11138-8
2010ID02 Phys.Lett. B 686, 18 (2010) E.Ideguchi, S.Ota, T.Morikawa, M.Oshima, M.Koizumi, Y.Toh, A.Kimura, H.Harada, K.Furutaka, S.Nakamura, F.Kitatani, Y.Hatsukawa, T.Shizuma, M.Sugawara, H.Miyatake, Y.X.Watanabe, Y.Hirayama, M.Oi Superdeformation in asymmetric N > Z nucleus 40Ar NUCLEAR REACTIONS 26Mg(18O, 2n2p), E=69 MeV; measured Eγ, Iγ, γγ-coin, (particle)γ-coin using Gemini-II and Si-Ball detector arrays. 40Ar; deduced levels, J, π, deformation, related features and lifetimes using DSA; calculated configuration using HFB method. Comparison with 36Ar and 40Ca systematics.
doi: 10.1016/j.physletb.2010.02.031
2010IM01 Eur.Phys.J. A 46, 157 (2010) N.Imai, Y.Hirayama, H.Ishiyama, S.C.Jeong, H.Miyatake, Y.X.Watanabe, H.Makii, S.Mitsuoka, D.Nagae, I.Nishinaka, K.Nishio, K.Yamaguchi Proton resonance elastic scattering in inverse kinematics on the medium heavy nucleus 68Zn NUCLEAR REACTIONS 1H(68Zn, p), E=5.5 MeV/nucleon; measured reaction products, proton spectrum. 69Zn; deduced proton yields, σ(θ), isobaric analogue resonance angular momentum, proton and total widths. Comparison with R-matrix calculations.
doi: 10.1140/epja/i2010-11054-5
2009HA11 Phys.Lett. B 674, 276 (2009) T.Hashimoto, H.Ishiyama, Y.X.Watanabe, Y.Hirayama, N.Imai, H.Miyatake, S.C.Jeong, M.-H.Tanaka, N.Yoshikawa, T.Nomura, S.Mitsuoka, K.Nishio, T.K.Sato, A.Osa, S.Ichikawa, M.Matsuda, H.Ikezoe, S.K.Das, Y.Mizoi, T.Fukuda, A.Sato, T.Shimoda, K.Otsuki, T.Kajino A new measurement of the astrophysical 8Li(d, t)7Li reaction NUCLEAR REACTIONS 2H(8Li, t), E=0.18, 0.24, 0.30, 0.40, 0.46, 0.60, 0.75 MeV/nucleon; measured charged-particle spectra, σ, σ(θ), σ(E); deduced 7Li excitation energy spectra, astrophysical reaction rate. Comparison with other data.
doi: 10.1016/j.physletb.2009.03.031
2008IT04 Phys.Rev. C 77, 067301 (2008) N.Itagaki, M.Ito, M.Milin, T.Hashimoto, H.Ishiyama, H.Miyatake Coexistence of α + α + n + n and α + t + t cluster structures in 10Be NUCLEAR STRUCTURE 10Be; calculated levels, J, π.
doi: 10.1103/PhysRevC.77.067301
2007MA90 Eur.Phys.J. Special Topics 150, 37 (2007) M.Mazzocco, C.Signorini, M.Romoli, R.Bonetti, A.De Francesco, A.De Rosa, M.Di Pietro, L.Fortunato, T.Glodariu, A.Guglielmetti, G.Inglima, T.Ishikawa, H.Ishiyama, R.Kanungo, N.Khai, S.Jeong, M.La Commara, B.Martin, H.Miyatake, T.Motobayashi, T.Nomura, D.Pierroutsakou, M.Sandoli, F.Soramel, L.Stroe, I.Sugai, M.H.Tanaka, E.Vardaci, Y.Watanabe, A.Yoshida, K.Yoshida Elastic scattering for the system 11Be + 209Bi at Coulomb barrier energies NUCLEAR REACTIONS 209Bi(11Be, 11Be), E=38-50 MeV; measured elastic scattering σ(θ). Compared results to model calculations. Deduced reaction and fusion cross sections.
doi: 10.1140/epjst/e2007-00260-2
2006IS02 Nucl.Instrum.Methods Phys.Res. A560, 366 (2006) H.Ishiyama, T.Ishikawa, T.Hashimoto, Y.X.Watanabe, Y.Hirayama, N.Imai, H.Miyatake, M.H.Tanaka, Y.Fuchi, N.Yoshikawa, S.C.Jeong, H.Kawakami, I.Katayama, T.Nomura, S.Mitsuoka, K.Nishio, M.Matsuda, P.K.Saha, H.Ikezoe, S.K.Das, Y.Mizoi, T.Fukuda Production of a low-energy radioactive nuclear beam with high purity using JAERI-RMS NUCLEAR REACTIONS 9Be(7Li, 8Li), E=24 MeV; 2H(11B, 12B), E=40 MeV; 2H(18O, 16N), E=73 MeV; measured particle spectra, yields. Radioactive beam production.
doi: 10.1016/j.nima.2005.12.244
2006IS04 Phys.Lett. B 640, 82 (2006) H.Ishiyama, T.Hashimoto, T.Ishikawa, Y.X.Watanabe, S.K.Das, H.Miyatake, Y.Mizoi, T.Fukuda, M.-H.Tanaka, Y.Fuchi, N.Yoshikawa, Y.Hirayama, S.C.Jeong, T.Nomura, I.Katayama, S.Mitsuoka, K.Nishio, M.Matsuda, P.K.Saha, S.Ichikawa, H.Ikezoe, T.Furukawa, H.Izumi, T.Shimoda, K.Nakai A new measurement of the astrophysical 8Li(α, n)11B reaction NUCLEAR REACTIONS 4He(8Li, n), E(cm)=0.7-2.6 MeV; measured σ(E), particle spectra. Comparison with other results.
doi: 10.1016/j.physletb.2006.07.036
2006MA51 Eur.Phys.J. A 28, 295 (2006) M.Mazzocco, C.Signorini, M.Romoli, A.De Francesco, M.Di Pietro, E.Vardaci, K.Yoshida, A.Yoshida, R.Bonetti, A.De Rosa, T.Glodariu, A.Guglielmetti, G.Inglima, M.La Commara, B.Martin, D.Pierroutsakou, M.Sandoli, F.Soramel, L.Stroe, R.Kanungo, N.Khai, T.Motobayashi, T.Nomura, T.Ishikawa, H.Ishiyama, S.Jeong, H.Miyatake, M.H.Tanaka, I.Sugai, Y.Watanabe Scattering of 11Be halo nucleus from 209Bi at the Coulomb barrier NUCLEAR REACTIONS 209Bi(11Be, 11Be), E=40 MeV; measured quasielastic σ, σ(θ). Discussed halo structure reaction mechanism features. Comparison with optical model, similar systems. EXODET array.
doi: 10.1140/epja/i2006-10058-0
2005HI03 Phys.Lett. B 611, 239 (2005) Y.Hirayama, T.Shimoda, H.Izumi, A.Hatakeyama, K.P.Jackson, C.D.P.Levy, H.Miyatake, M.Yagi, H.Yano Study of 11Be structure through β-delayed decays from polarized 11Li RADIOACTIVITY 11Li(β-), (β-n); measured β-delayed Eγ, En, asymmetry following decay of spin-polarized source. 10,11Be deduced levels, J, π, S-factors. Comparison with antisymmetrized molecular dynamics model predictions.
doi: 10.1016/j.physletb.2005.02.040
2005KU27 Nucl.Phys. A758, 733c (2005) S.Kubono, T.Teranishi, M.Notani, H.Yamaguchi, A.Saito, J.J.He, M.Wakabayashi, H.Fujikawa, G.Amadio, H.Baba, T.Fukuchi, S.Shimoura, S.Michimasa, S.Nishimura, M.Nishimura, Y.Gono, A.Odahara, S.Kato, J.Y.Moon, J.H.Lee, C.S.Lee, J.C.Kim, K.I.Hahn, T.Ishikawa, T.Hashimoto, H.Ishiyama, Y.X.Watanabe, M.H.Tanaka, H.Miyatake, Zs.Fulop, V.Guimaraes, R.Lichtenthaler Study of Stellar Reactions in Explosive Hydrogen Burning with CRIB NUCLEAR REACTIONS 4He(14O, p), E(cm) ≈ 1-3.6 MeV; measured proton spectrum. 1H(23Mg, p), E(cm) ≈ 0.6-3.5 MeV; measured elastic σ(θ). 24Al deduced excited states energies.
doi: 10.1016/j.nuclphysa.2005.05.132
2004HA54 Nucl.Phys. A746, 330c (2004) T.Hashimoto, T.Ishikawa, T.Kawamura, K.Nakai, H.Ishiyama, Y.X.Watanabe, H.Miyatake, M.H.Tanaka, N.Yoshikawa, S.C.Jeong, Y.Fuchi, I.Katayama, T.Nomura, S.K.Das, P.K.Saha, T.Fukuda, K.Nishio, S.Mitsuoka, H.Ikezoe, M.Matsuda, S.Ichikawa, T.Furukawa, H.Izumi, T.Shimoda, Y.Mizoi, M.Terasawa Measurement of the 8Li(α, n)11B reaction cross sections of astrophysical interest NUCLEAR REACTIONS 4He(8Li, n), E=14.6 MeV; measured excitation energy spectra. 8Li(α, n), E(cm)=0.5-3 MeV; deduced excitation function. Astrophysical implications discussed.
doi: 10.1016/j.nuclphysa.2004.09.040
2004HI12 Nucl.Phys. A738, 201 (2004) Y.Hirayama, T.Shimoda, H.Izumi, H.Yano, M.Yagi, A.Hatakeyama, C.D.P.Levy, K.P.Jackson, H.Miyatake Spectroscopic study of 11Be through β-delayed neutron and γ-decays of spin-polarized 11Li RADIOACTIVITY 11Li(β-), (β-n); measured β-delayed En, Eγ, βγ-, nβ-coin following decay of spin-polarized source; deduced log ft. 11Be deduced levels, J, π, neutron spectroscopic factors. 10Be deduced levels, transition intensities.
doi: 10.1016/j.nuclphysa.2004.04.032
2004HI24 Nucl.Phys. A746, 71c (2004) Y.Hirayama, T.Shimoda, H.Izumi, H.Yano, M.Yagi, A.Hatakeyama, C.D.P.Levy, K.P.Jackson, H.Miyatake Structure of 11Be studied in β-delayed neutron- and γ- decay from polarized 11Li RADIOACTIVITY 11Li(β-), (β-n); measured β-delayed Eγ, En, asymmetry following decay of spin-polarized source. 10,11Be deduced levels, J, π. Comparison with antisymmetrized molecular dynamics model predictions.
doi: 10.1016/j.nuclphysa.2004.09.018
2004JE13 Nucl.Phys. A746, 293c (2004) S.C.Jeong, I.Katayama, H.Kawakami, H.Ishiyama, Y.Watanabe, H.Miyatake, E.Tojyo, M.Oyaizu, K.Enomoto, M.Sataka, S.Okayasu, H.Sugai, S.Ichikawa, K.Nishio, Y.Sugiyama, A.Iwase, M.Yahagi, T.Hashimoto, K.Takada, M.Watanabe, M.Tanigaki, T.Shinozuka 8Li and 18F diffusion experiments in solids - an application of accelerated RNB -
doi: 10.1016/j.nuclphysa.2004.09.026
2004MI34 Nucl.Phys. A738, 401 (2004) H.Miyatake, H.Ishiyama, M.-H.Tanaka, Y.X.Watanabe, N.Yoshikawa, S.C.Jeong, Y.Matsuyama, Y.Fuchi, T.Nomura, T.Hashimoto, T.Ishikawa, K.Nakai, S.K.Das, P.K.Saha, T.Fukuda, K.Nishio, S.Mitsuoka, H.Ikezoe, S.Ichikawa, M.Matsuda, Y.Mizoi, T.Furukawa, H.Izumi, T.Shimoda, M.Terasawa Exclusive measurement of the astrophysical 8Li(α, n) reaction cross section NUCLEAR REACTIONS 4He(8Li, n), E(cm)=0.9-2.8 MeV; measured σ, excitation energy spectrum. Comparison with previous results.
doi: 10.1016/j.nuclphysa.2004.04.070
2003GU06 Phys.Rev. C 67, 064601 (2003) V.Guimaraes, S.Kubono, F.C.Barker, M.Hosaka, S.C.Jeong, I.Katayama, T.Miyachi, T.Nomura, M.H.Tanaka, Y.Fuchi, H.Kawashima, S.Kato, C.C.Yun, K.Ito, H.Orihara, T.Terakawa, T.Kishida, Y.Pu, S.Hamada, M.Hirai, H.Miyatake Structure of the unbound 11N nucleus by the (3He, 6He) reaction NUCLEAR REACTIONS 14N(3He, 6He), E=73.4 MeV; measured σ(E, θ). 11N deduced levels, J, π, resonance widths. DWBA analysis.
doi: 10.1103/PhysRevC.67.064601
2003IS12 Nucl.Phys. A718, 481c (2003) H.Ishiyama, T.Hashimoto, T.Kawamura, T.Ishikawa, H.Miyatake, M.H.Tanaka, Y.Fuchi, N.Yoshikawa, S.C.Jeong, Y.Watanabe, H.Kawakami, I.Katayama, T.Nomura, S.Mitsuoka, K.Nishio, M.Matsuda, S.Ichikawa, H.Ikezoe, T.Furukawa, H.Yano, H.Izumi, Y.Mizoi, M.Terasawa, T.Fukuda, K.Nakai, T.Shimoda Direct measurements of (α, n) and (p, n) reaction cross sections using light neutron-rich radioactive nuclear beams NUCLEAR REACTIONS 2H(7Li, 6He), (11B, 12B), (22Ne, 20F), 4He(7Li, 10Be), 9Be(7Li, 8Li), E not given; 2H(18O, 16N), E=73 MeV; calculated radioactive beam yields. Application to further cross section measurements discussed.
doi: 10.1016/S0375-9474(03)00863-7
2003IS13 Nucl.Phys. A718, 484c (2003) T.Ishikawa, H.Ishiyama, T.Hashimoto, T.Kawamura, H.Miyatake, M.H.Tanaka, Y.Fuchi, N.Yoshikawa, S.C.Jeong, Y.Watanabe, H.Kawakami, I.Katayama, T.Nomura, S.Mitsuoka, K.Nishio, M.Matsuda, S.Ichikawa, H.Ikezoe, T.Furukawa, H.Yano, H.Izumi, Y.Mizoi, M.Terasawa, T.Fukuda, K.Nakai, T.Shimoda Measurement of the 16N(α, n) reaction cross section NUCLEAR REACTIONS 4He(16N, n), E(cm) ≈ 1-4.5 MeV; measured σ.
doi: 10.1016/S0375-9474(03)00864-9
2003MI01 Phys.Rev. C 67, 014306 (2003) H.Miyatake, H.Ueno, Y.Yamamoto, N.Aoi, K.Asahi, E.Ideguchi, M.Ishihara, H.Izumi, T.Kishida, T.Kishida, T.Kubo, S.Mitsuoka, Y.Mizoi, M.Notani, H.Ogawa, A.Ozawa, M.Sasaki, T.Shimoda, T.Shirakura, N.Takahashi, S.Tanimoto, K.Yoneda Spin-parity assignments in 15C* by a new method: β-delayed spectroscopy for a spin-polarized nucleus RADIOACTIVITY 15B, 17N(β-n) [from 9Be(22Ne, X)]; measured β asymmetry, β-delayed neutron spectra from spin-polarized source. 15C levels deduced J, π. β-NMR technique.
doi: 10.1103/PhysRevC.67.014306
2002AO03 Phys.Rev. C66, 014301 (2002) N.Aoi, K.Yoneda, E.Ideguchi, T.Kishida, T.Nakamura, M.Notani, H.Sakurai, T.Teranishi, Y.Watanabe, H.Wu, A.Yoshida, H.Miyatake, Y.Yamamoto, H.Ogawa, S.S.Yamamoto, M.Ishihara Anomaly of N = 8 Shell Closure in Neutron-Rich Be and B Isotopes Studied via Delayed Neutron Emitting 14Be β Decay RADIOACTIVITY 14Be(β-), (β-n) [from Be(18O, X)]; measured Eβ, β-delayed En, Eγ, nγ-coin, T1/2; deduced branching ratios, log ft. 14B deduced level J, π, width. 12,13,14B, 13C deduced feeding intensities.
doi: 10.1103/PhysRevC.66.014301
2002IS05 Nucl.Phys. A701, 58c (2002) H.Ishiyama, H.Miyatake, N.Yoshikawa, S.C.Jeong, M.Wada, Y.Ishida, M.H.Tanaka, S.Takaku, Y.Fuchi, H.Kawashima, I.Katayama, T.Nomura, T.Teranishi, M.Michimasa, N.Imai, Y.Yanagisawa, S.Kubono, P.Strasser, S.Kato A Recoil Mass Separator for Nuclear Astrophysics Experiments
doi: 10.1016/S0375-9474(01)01548-2
2002JE08 Nucl.Phys. A701, 461c (2002) S.C.Jeong, H.Ishiyama, H.Kawakami, H.Miyatake, Y.Ishida, E.Tojyo, M.Oyaizu, S.Mizutani, N.Yoshikawa, M.H.Tanaka, H.Kawashima, Y.Fuchi, M.Wada, I.Katayama, T.Nomura Target-Ion-Source System for RNB Facility at KEK Tanashi
doi: 10.1016/S0375-9474(01)01627-X
2002MI25 Nucl.Phys. A701, 62c (2002) H.Miyatake, S.C.Jeong, H.Ishiyama, Y.Ishida, H.Kawakami, N.Yoshikawa, I.Katayama, M.H.Tanaka, E.Tojyo, M.Oyaizu, S.Arai, S.Tomizawa, K.Niki, Y.Arakaki, M.Okada, Y.Takeda, M.Wada, P.Strasser, S.Kubono, T.Nomura Present Status of the Radioactive Nuclear Beam Facility at KEK-Tanashi and the E-Arena in the KEK-JAERI Joint Project
doi: 10.1016/S0375-9474(01)01549-4
2000MI34 Phys.Rev. C62, 065801 (2000); Addendum Phys.Rev. C 91, 047602 (2015) Y.Mizoi, T.Fukuda, Y.Matsuyama, T.Miyachi, H.Miyatake, N.Aoi, N.Fukuda, M.Notani, Y.X.Watanabe, K.Yoneda, M.Ishihara, H.Sakurai, Y.Watanabe, A.Yoshida Measurement of the 8Li(α, n)11B Reaction and Astrophysical Implications NUCLEAR REACTIONS 4He(8Li, n), (9Be, n), E(cm)=1.5-7.0 MeV; measured neutron spectra, total σ, σ(E). 8Li(α, n), E(cm)=1.5-7.0 MeV; deduced σ, reaction rates, astrophysical S-factors. Secondary beams from 12C fragmentation. Comparisons with previous results, model predictions.
doi: 10.1103/PhysRevC.62.065801
1999OG03 Phys.Lett. 451B, 11 (1999) H.Ogawa, K.Asahi, K.Sakai, A.Yoshimi, M.Tsuda, Y.Uchiyama, T.Suzuki, K.Suzuki, N.Kurokawa, M.Adachi, H.Izumi, H.Ueno, T.Shimoda, S.Tanimoto, N.Takahashi, W.-D.Schmidt-Ott, M.Schafer, S.Fukuda, A.Yoshida, M.Notani, T.Kubo, H.Okuno, H.Sato, N.Aoi, K.Yoneda, H.Iwasaki, N.Fukuda, N.Fukunishi, M.Ishihara, H.Miyatake Magnetic Moment and Electric Quadrupole Moment of the 18N Ground State RADIOACTIVITY 18N(β-) [from 22Ne fragmentation]; measured β-NMR. 18Ne deduced μ, quadrupole moment. NUCLEAR REACTIONS 12C(22Ne, X)18N, E=110 MeV/nucleon; measured fragment polarization.
doi: 10.1016/S0370-2693(99)00219-1
1997AO01 Nucl.Phys. A616, 181c (1997) N.Aoi, K.Yoneda, H.Miyatake, H.Ogawa, Y.Yamamoto, E.Ideguchi, T.Kishida, T.Nakamura, M.Notani, H.Sakurai, T.Teranishi, H.Wu, S.S.Yamamoto, Y.Watanabe, A.Yoshida, M.Ishihara β-Spectroscopy of 11Li and 14Be -With a β-n-γ Triple Coincidence Method RADIOACTIVITY 11Li(β-); 14Be(β-); measured βnγ-coin; deduced log ft. 11Be, 14B deduced levels, Gamow-Teller branchings.
doi: 10.1016/S0375-9474(97)00087-0
1997AO04 Z.Phys. A358, 253 (1997) N.Aoi, K.Yoneda, H.Miyatake, H.Ogawa, Y.Yamamoto, E.Ideguchi, T.Kishida, T.Nakamura, M.Notani, H.Sakurai, T.Teranishi, H.Wu, S.S.Yamamoto, Y.Watanabe, A.Yoshida, M.Ishihara β-Delayed Neutron Decay of Drip Line Nuclei 11Li and 14Be RADIOACTIVITY 11Li, 14Be(β-); measured beta-delayed neutron-, γ-spectra, γγγ-coin; deduced log ft, halo neutron related features. 10,11Be, 14B deduced levels. Tof.
doi: 10.1007/s002180050322
1997BE66 Phys.Rev. C56, 3038 (1997) M.Belbot, J.J.Kolata, M.Zahar, N.Aoi, M.Hirai, M.Ishihara, H.Okuno, H.Sakurai, T.Teranishi, T.Kishida, G.Liu, T.Nakamura, Y.Watanabe, A.Yoshida, E.Ideguchi, H.Miyatake, S.Shimoura, S.S.Yamamoto β Decay of the Neutron-Rich Isotope 14Be RADIOACTIVITY 14Be(β-n) [from 9Be(18O, X), E=100 MeV/nucleon]; measured β-delayed neutron spectra, β(neutron)-coin, T1/2. 14B deduced level, possible J, π.
doi: 10.1103/PhysRevC.56.3038
1997KU19 Nucl.Phys. A621, 195c (1997) S.Kubono, M.Hosaka, P.Strasser, V.Guimaraes, S.C.Jeong, I.Katayama, T.Miyachi, T.Nomura, M.H.Tanaka, Y.Fuchi, H.Kawashima, S.Kato, C.C.Yun, H.Orihara, T.Niizeki, H.Miyatake, T.Shimoda, T.Kajino, S.Wanajo Study of the Early Stage of the Rapid-Proton Process
doi: 10.1016/S0375-9474(97)00237-6
1996MI25 Nucl.Instrum.Methods Phys.Res. A372, 489 (1996) S.Mitsuoka, T.Shimoda, H.Miyatake, Y.Mizoi, H.Kobayashi, M.Sasaki, T.Shirakura, N.Takahashi, T.Murakami, S.Morinobu Performance of Fragment Separator with Homogeneously Thick Energy Degrader: A highly flexible system for use with degraders in a wide thickness range NUCLEAR REACTIONS 9Be(14N, X), E=70 MeV/nucleon; 197Au(14N, X), E=40 MeV/nucleon; measured fragment spectra, Li, B, Be isotopes; deduced projectile fragment separator characteristics.
doi: 10.1016/0168-9002(95)01299-0
1996TA12 Hyperfine Interactions 97/98, 469 (1996) N.Takahashi, T.Shimoda, H.Miyatake, S.Mitsuoka, Y.Mizoi, H.Kobayashi, M.Sasaki, T.Shirakura, H.Ueno, K.Asahi, S.Morinobu Freezing-Out of Nuclear Polarization in Radioactive Core Ions of Microclusters, ' Snowballs ' in Superfluid Helium NUCLEAR MOMENTS 12B(β-); measured β asymmetry; deduced source polarization related features. Spin polarized 12B introduced into superfluid helium.
doi: 10.1007/BF02150190
1996UE02 Phys.Rev. C53, 2142 (1996) H.Ueno, K.Asahi, H.Izumi, K.Nagata, H.Ogawa, A.Yoshimi, H.Sato, M.Adachi, Y.Hori, K.Mochinaga, H.Okuno, N.Aoi, M.Ishihara, A.Yoshida, G.Liu, T.Kubo, N.Fukunishi, T.Shimoda, H.Miyatake, M.Sasaki, T.Shirakura, N.Takahashi, S.Mitsuoka, W.-D.Schmidt-Ott Magnetic Moments of 17N and 17B RADIOACTIVITY 17N(β-) [from 93Nb(18O, X), E=64.7 MeV/nucleon]; 17B(β-) [from 93Nb(22Ne, X), E=94.4 MeV/nucleon]; measured NMR; deduced μ. Model comparison. NUCLEAR STRUCTURE 17N, 17B, 19F; calculated μ. 16,18O; calculated levels. Model comparison.
doi: 10.1103/PhysRevC.53.2142
1995AS05 Nucl.Phys. A588, 135c (1995) K.Asahi, H.Ueno, H.Izumi, H.Okuno, K.Nagata, H.Ogawa, Y.Hori, H.Sato, K.Mochinaga, M.Adachi, A.Yoshida, G.Liu, N.Aoi, T.Kubo, M.Ishihara, W.-D.Schmidt-Ott, T.Shimoda, H.Miyatake, S.Mitsuoka, N.Takahashi Electromagnetic Moments of Unstable Nuclei Studied with Polarized Projectile Fragments NUCLEAR REACTIONS 197Au(14N, X), E=39.4 MeV/nucleon; 197Au(15N, X), E=68, 109.6 MeV/nucleon; 93Nb(93Nb, X), E=67.3 MeV/nucleon; 27Al(15N, X), E=68 MeV/nucleon; measured ejectile yield, spin polarization spectra vs (p-p0)/p0.
doi: 10.1016/0375-9474(95)00112-E
1995GU08 Nucl.Phys. A588, 161c (1995) V.Guimaraes, S.Kubono, M.Hosaka, N.Ikeda, S.C.Jeong, I.Katayama, T.Miyachi, T.Nomura, M.H.Tanaka, Y.Fuchi, H.Kawashima, S.Ohkawa, S.Kato, H.Toyokawa, C.C.Yun, T.Niizeki, K.Ito, T.Kishida, T.Kubo, Y.Pu, M.Ohura, H.Orihara, T.Terakawa, S.Hamada, M.Hirai, H.Miyatake Structure of Light Proton-Rich Nuclei on the Drip-Line NUCLEAR REACTIONS 14N, 20Ne(3He, 6He), E=70.08 MeV; measured 6He energy spectra; deduced isobaric multiplet mass equation. 11N, 17Ne deduced levels, J, π, configuration.
doi: 10.1016/0375-9474(95)00117-J
1995MO14 Z.Phys. A352, 7 (1995) K.Morita, Y.H.Pu, J.Feng, M.G.Hies, K.O.Lee, A.Yoshida, S.C.Jeong, S.Kubono, T.Nomura, Y.Tagaya, M.Wada, M.Kurokawa, T.Motobayashi, H.Ogawa, T.Uchibori, K.Sueki, T.Ishizuka, K.Uchiyama, Y.Fujita, H.Miyatake, T.Shimoda, T.Shinozuka, H.Kudo, Y.Nagai, S.A.Shin New α-Decaying Neutron Deficient Isotopes 197Rn and 200Fr NUCLEAR REACTIONS 166Er(36Ar, 5n), E=186, 200 MeV; 169Tm(36Ar, 5n), E=186 MeV; measured Eα, Iα; deduced evidence for 197,197mRn, 200Fr. Evaporation residues obtained from gas-filled recoil separator, implanted onto position sensitive solid state detector. RADIOACTIVITY 197,197mRn(α) [from 166Er(36Ar, 5n), E=186, 200 MeV]; 200Fr(α) [from 169Tm(36Ar, 5n), E=186 MeV]; 193,193mPo(α) [from 197,197mRn(α-decay)]; 196Rn(α) [from 166Er(36Ar, 6n)]; 192Po(α) [from 196Rn(α-decay)]; 200Fr(α) [from 169Tm(36Ar, 5n), E=186 MeV]; 196At(α) [from 200Fr(α-decay)]; measured Eα, Iα, T1/2, αα-energy correlations. Evaporation residues obtained from gas-filled recoil separator, implanted onto position sensitive solid state detector.
1995OK04 Phys.Lett. 354B, 41 (1995) H.Okuno, K.Asahi, H.Ueno, H.Izumi, H.Sato, M.Adachi, T.Nakamura, T.Kubo, N.Inabe, A.Yoshida, N.Fukunishi, T.Shimoda, H.Miyatake, N.Takahashi, W.-D.Schmidt-Ott, M.Ishihara Measurement of the Magnetic Moments of 14B and 15B using Projectile Fragmentation Spin Polarization RADIOACTIVITY 12,14,15B(β-) [from 93Nb(18O, X), E=68 MeV/nucleon]; measured β NMR; deduced μ. Polarized nuclei. Model comparison.
doi: 10.1016/0370-2693(95)00630-4
1995SH22 Nucl.Phys. A588, 235c (1995) T.Shimoda, H.Miyatake, S.Mitsuoka, Y.Mizoi, H.Kobayashi, M.Sasaki, T.Shirakura, H.Ueno, H.Izumi, K.Asahi, T.Murakami, S.Morinobu, N.Takahashi Preservation of Nuclear Spin Polarization of 12B in Superfluid Helium RADIOACTIVITY 8Li(β-); 12B(β-) [from 9Be(14N, X), E=38.5 MeV/nucleon]; measured β-ray counting rates, β-NMR; deduced 12B spin polarization preservation during T1/2 duration. Source implantation into superfluid helium, ' snowball ' aggregates of He atoms.
doi: 10.1016/0375-9474(95)00145-Q
1994KU06 Z.Phys. A348, 59 (1994) S.Kubono, C.C.Yun, R.N.Boyd, L.R.Buchmann, Y.Fuchi, M.Hosaka, N.Ikeda, C.L.Jiang, I.Katayama, H.Kawashima, H.Miyatake, T.Niizeki, T.Nomura, A.Odahara, M.Ohura, H.Ohnuma, H.Orihara, C.Rolfs, T.Shimoda, Y.Tajima, M.H.Tanaka, H.Toyokawa High Resolution Study of 24Mg(p, d)23Mg for the Ne-E Problem NUCLEAR REACTIONS 24Mg(p, d), E=34-945 MeV; measured deuteron spectra, σ(θ); deduced 22Na(p, γ) reaction rate, astrophysics related Ne-E problem implications. 23Mg deduced level, possible J, π.
doi: 10.1007/BF01291654
1994OK03 Phys.Lett. 335B, 29 (1994) H.Okuno, K.Asahi, H.Sato, H.Ueno, J.Kura, M.Adachi, T.Nakamura, T.Kubo, N.Inabe, A.Yoshida, T.Ichihara, Y.Kobayashi, Y.Ohkubo, M.Iwamoto, F.Ambe, T.Shimoda, H.Miyatake, N.Takahashi, J.Nakamura, D.Beaumel, D.J.Morrissey, W.-D.Schmidt-Ott, M.Ishihara Systematic Behavior of Ejectile Spin Polarization in the Projectile Fragmentation Reaction NUCLEAR REACTIONS 197Au, 93Nb, 27Al(15N, X), E=70-112 MeV/nucleon; 197Au(14N, X), E=39.4 MeV/nucleon; measured ejectile(12,13B) spin polarization; deduced role of new reaction mechanism.
doi: 10.1016/0370-2693(94)91553-9
1994UE04 Hyperfine Interactions 84, 371 (1994) H.Ueno, H.Okuno, K.Asahi, H.Sato, T.Kubo, T.Nakamura, N.Inabe, A.Yoshida, Y.Ohkubo, M.Adachi, T.Ichihara, M.Ishihara, T.Shimoda, H.Miyatake, N.Takahashi, W.-D.Schmidt-Ott Spin-Polarized Radioactive Beams and β-NMR Experiments RADIOACTIVITY 14,15B, 21F(β-) [from 197Au(14N, X), E=40.6 MeV/nucleon; 197Au(15N, X), E=69.5, 111 MeV/nucleon; 27Al, 93Nb(15N, X), E=69.5 MeV/nucleon]; measured β NMR, polarized sources; deduced μ. Model comparison.
doi: 10.1007/BF02060685
1993OK02 Hyperfine Interactions 78, 97 (1993) H.Okuno, K.Asahi, H.Ueno, H.Sato, M.Adachi, T.Kubo, T.Nakamura, N.Inabe, A.Yoshida, Y.Ohkubo, T.Ichihara, M.Ishihara, T.Shimoda, H.Miyatake, N.Takahashi Polarization in Projectile Fragmentation and g-Factor Measurements for Neutron-Rich Nuclei NUCLEAR REACTIONS 159Tb, 27Al, 93Nb, 197Au(15N, 12B), (15N, 13B), 93Nb(18O, 12B), (18O, 14B), E=70 MeV/nucleon; 197Au(14N, 12B), E=40 MeV/nucleon; 197Au(15N, 12B), (15N, 13B), E=112 MeV/nucleon; measured projectile fragment polarization. RADIOACTIVITY 14,15B(β-n) [from 93Nb(18O, X), E=70 MeV/nucleon]; 21F(β-n) [from 93Nb(22Ne, X), E=70 MeV/nucleon]; measured NMR spectra; deduced g factor.
doi: 10.1007/BF00568122
1992AS01 Hyperfine Interactions 75, 101 (1992) K.Asahi, H.Okuno, H.Ueno, H.Sato, J.Kura, T.Kubo, T.Nakamura, N.Inabe, A.Yoshida, Y.Ohkubo, M.Adachi, T.Ichihara, M.Ishihara, T.Shimoda, H.Miyatake, N.Takahashi, D.Beaumel, D.J.Morrissey, W.-D.Schmidt-Ott Spin-Oriented Projectile Fragments: The first application to g-factor measurements NUCLEAR REACTIONS 197Au(14N, 12B), E=40.6 MeV/nucleon; 27Al(15N, 13B), E=69.5 MeV/nucleon; measured fragment spin polarization, yield. RADIOACTIVITY 14,15B(β-) [from 93Nb(18O, X), E=70 MeV/nucleon]; measured g-factor, preliminary results.
doi: 10.1007/BF02398968
1992FU01 Phys.Rev. C45, 993 (1992) Y.Fujita, T.Shimoda, H.Miyatake, N.Takahashi, M.Fujiwara, S.Morinobu, T.Yamagata, J.Takamatsu, A.Terakawa, H.Folger Observation of the Low-Energy Octupole Resonance in 208Pb by Inelastic α Scattering NUCLEAR REACTIONS 208Pb(α, α'), E=70 MeV; measured σ(θ). 208Pb levels deduced L-assignment, EWSR fractions, isoscalar nature of low energy octupole resonance. Enriched target, DWBA analysis, comparison with (p, p') data.
doi: 10.1103/PhysRevC.45.993
1992HA28 Nucl.Phys. A549, 327 (1992) S.Hatori, H.Miyatake, S.Morinobu, K.Katori, M.Fujiwara, I.Katayama, N.Ikeda, T.Fukuda, T.Shinozuka, K.Ogawa Gamow-Teller Strength in β-Decay of 25Si RADIOACTIVITY 25Si(β+p) [from 24Mg(3He, 2n) reaction]; measured T1/2, β-delayed Ep, Ip, βp-coin. 25Si deduced proton branching ratio, β strength function. 25Al deduced level. Natural Mg target, surface barrier Si detector, ΔE-ΔE-E plastic scintillation β- telescope, recoil mass separation. Model comparison.
doi: 10.1016/0375-9474(92)90083-V
1992KU02 Nucl.Phys. A537, 153 (1992) S.Kubono, Y.Funatsu, N.Ikeda, M.Yasue, T.Nomura, Y.Fuchi, H.Kawashima, S.Kato, H.Miyatake, H.Orihara, T.Kajino Level Structure of 21Mg and the 20Na(p, γ)21Mg Stellar Reaction Rate NUCLEAR REACTIONS 24Mg(3He, 6He), E=73.71 MeV; measured σ(θ), θ(lab)=6°-28°; deduced stellar reaction rate of 20Na(p, γ)21Mg. 21Mg deduced levels, J, π.
doi: 10.1016/0375-9474(92)90162-D
1992MO32 Nucl.Instrum.Methods Phys.Res. B70, 331 (1992) S.Morinobu, I.Katayama, M.Fujiwara, S.Hatori, N.Ikeda, H.Miyatake, H.Nakabushi, K.Katori Performance of and Experiments with the Recoil Separator CARP at RCNP RADIOACTIVITY 25Si(β+p); measured β-delayed Ep, Ip. Recoil mass separator. NUCLEAR REACTIONS 144Sm(20Ne, X), E=150 MeV; 90Zr(14N, X), E=90 MeV; measured evaporation residue spectra. Recoil mass separator.
doi: 10.1016/0168-583X(92)95949-R
1991KU04 Phys.Rev. C43, 1821 (1991) S.Kubono, N.Ikeda, T.Nomura, Y.Fuchi, H.Kawashima, S.Kato, H.Miyatake, H.Orihara Spectroscopic Tool for Proton-Rich Nuclei: The (3He, 6He) reaction NUCLEAR REACTIONS 24Mg(3He, 6He), E=73.71 MeV; measured σ(θ); deduced model parameters, L-dependence.
doi: 10.1103/PhysRevC.43.1821
1991KU31 Z.Phys. A341, 121 (1991) S.Kubono, N.Ikeda, M.H.Tanaka, T.Nomura, I.Katayama, Y.Fuchi, H.Kawashima, M.Ohura, H.Orihara, C.C.Yun, Y.Tajima, M.Yosoi, H.Ohnuma, H.Toyokawa, H.Miyatake, T.Shimoda, R.N.Boyd, T.Kubo, I.Tanihata, T.Kajino Decay Properties of the Key Resonant States in 8Li(α, n)11B for Primordial Nucleosynthesis NUCLEAR REACTIONS 9Be(α, p), E=50.29 MeV; measured pn-coin, (particle)(particle)-correlation; deduced implications to astrophysical reaction 8Li(α, n). 12B level deduced decay L, branching ratios, Γn/Γ, Γα/Γ.
doi: 10.1007/BF01281284
1990AS07 Phys.Lett. 251B, 488 (1990) K.Asahi, M.Ishihara, N.Inabe, T.Ichihara, T.Kubo, M.Adachi, H.Takanashi, M.Kouguchi, M.Fukuda, D.Mikolas, D.J.Morrissey, D.Beaumel, T.Shimoda, H.Miyatake, N.Takahashi New Aspect of Intermediate Energy Heavy Ion Reactions. Large Spin Polarization of Fragments NUCLEAR REACTIONS 197Au(14N, 12BX), E=40.6 MeV/nucleon; measured ejectile 12B spin polarization, yield. Projectile fragmentation.
doi: 10.1016/0370-2693(90)90784-4
1989HI05 Phys.Rev. C39, 1286 (1989) A.Higashi, K.Katori, M.Fujiwara, H.Ikegami, I.Katayama, S.Morinobu, M.Tosaki, S.I.Hayakawa, N.Ikeda, H.Miyatake Systematic Behavior of Octupole Strengths in 46,48,50Ti NUCLEAR REACTIONS 48Ti(polarized p, p'), E=65 MeV; measured σ(E(p)), σ(θ), analyzing power vs θ. 48Ti deduced levels, J, π, transfer L, octupole transition strength distribution.
doi: 10.1103/PhysRevC.39.1286
1989KU26 Z.Phys. A334, 511 (1989) S.Kubono, Y.Funatsu, N.Ikeda, M.Yasue, T.Nomura, Y.Fuchi, H.Kawashima, S.Kato, H.Orihara, H.Miyatake, T.Kajino The Proton Threshold States in 21Mg Relevant to the rp-Process NUCLEAR REACTIONS 24Mg(3He, 6He), E=73.71 MeV; measured σ(E(6He)), σ(θ); deduced rp-process relevance. 21Mg deduced levels, J, π, L. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1326. 1989MI17 Nucl.Phys. A501, 557 (1989) H.Miyatake, T.Nomura, S.Kubono, J.Tanaka, M.Oyaizu, H.Okawa, N.Ikeda, K.Sueki, H.Kudo, K.Morita, T.Shinozuka Alpha Decays of 221Pa and 218,219Ac NUCLEAR REACTIONS 209Bi(16O, xn), (16O, xnα), E=87-102 MeV; measured α decay yields, Eα from residues. Gas-filled recoil separator. RADIOACTIVITY 221Pa, 218,219Ac [from 205Tl, 209Bi(16O, xnα), E=87-102 MeV]; measured Eα, α-decay yields. 221Pa, 218,219Ac deduced T1/2, Qα. Gas-filled recoil separator.
doi: 10.1016/0375-9474(89)90148-6
1988KU23 Z.Phys. A331, 359 (1988) S.Kubono, N.Ikeda, M.Yasue, T.Nomura, Y.Fuchi, H.Kawashima, S.Kato, H.Orihara, T.Shinozuka, H.Ohnuma, H.Miyatake, T.Shimoda The p + 19Ne s-Wave Resonant State in 20Na at Stellar Energies NUCLEAR REACTIONS 20Ne(3He, t), E=55.33 MeV; measured σ(Et), σ(θ). 20Na deduced level, possible J, π. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1258. 1987MI18 Nucl.Phys. A470, 328 (1987) H.Miyatake, K.Ogawa, T.Shinozuka, M.Fujioka A Shell-Model Study of Gamow-Teller Matrix Elements in the 0f7/2 Shell Nuclei NUCLEAR STRUCTURE 41,42,43,44,46,48,49Sc, 42,43,45Ti, 45,47Ca, 45,47,48V, 47,48,49Cr, 49,50,51,52Mn, 51,52,53Fe, 53,54Co, 55Ni; calculated Gamow-Teller transition strength. Shell model.
doi: 10.1016/0375-9474(87)90005-4
1986KI11 Nucl.Phys. A455, 301 (1986) M.Kikuchi, T.Ishimatsu, S.Hayashibe, N.Kawamura, Y.Kimura, K.Iura, H.Miyatake, M.Fujioka In-Beam Spectroscopic Study of 107In NUCLEAR REACTIONS, ICPND 106Cd(α, 2np), E=35-50 MeV; 106Cd(3He, np), E=20 MeV; measured E(γ), I(γ)(E), γ yield vs E, I(γ)(θ), γγ(t), pγ-coin, I(ce). 107In deduced levels, J, π, γ-branchings, ICC, δ(E2/M1). Enriched targets, hyperpure Ge, Si(Au), Si(Li) detectors, mini-orange electron spectrometer.
doi: 10.1016/0375-9474(86)90020-5
1986KU18 Nucl.Instrum.Methods Phys.Res. A251, 74 (1986) S.Kubono, M.H.Tanaka, H.Kawakami, K.Sueki, H.Miyatake, T.Nomura, K.Morita, M.Ishihara, S.Kato, C.Konno, A.Sakaguchi High-Energy Gamma Ray Spectrometer for Heavy-Ion Induced Experiments NUCLEAR REACTIONS 11B, 14N(p, γ), E=6.91 MeV; measured γ spectra. NaI(Tl) spectrometer.
doi: 10.1016/0168-9002(86)91151-4
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