NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = Y.Kakiguchi Found 22 matches. 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
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
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
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
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
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
2015HO11 Prog.Theor.Exp.Phys. 2015, 081D01 (2015) K.Hosomi, Y.Ma, S.Ajimura, K.Aoki, S.Dairaku, Y.Fu, H.Fujioka, K.Futatsukawa, W.Imoto, Y.Kakiguchi, M.Kawai, S.Kinoshita, T.Koike, N.Maruyama, M.Mimori, S.Minami, Y.Miura, K.Miwa, Y.Miyagi, T.Nagae, D.Nakajima, H.Noumi, K.Shirotori, T.Suzuki, T.Takahashi, T.N.Takahashi, H.Tamura, K.Tanida, N.Terada, A.Toyoda, K.Tsukada, M.Ukai, S.Zhou Precise determination of Λ12C level structure by γ-ray spectroscopy NUCLEAR REACTIONS 12C(π+, K+), E=12 GeV; measured reaction products, Eγ, Iγ; deduced the level structure of the 12C hypernucleus, J, π, the spacing of the ground-state doublet. Comparison with available data.
doi: 10.1093/ptep/ptv113
2013Ho17 Nucl.Phys. A914, 184c (2013) K.Hosomi, S.Ajimura, K.Aoki, M.Dairaku, Y.Y.Fu, H.Fujioka, T.Fukuda, K.Futatsukawa, W.Imoto, Y.Kakiguchi, M.Kawai, S.Kinoshita, T.Koike, Y.Ma, N.Maruyamai, M.Mimori, S.Minami, Y.Miura, K.Miwa, Y.Miyagi, T.Nagae, D.Nakajima, H.Noumi, K.Shirotori, T.Suzuki, T.Takahashi, T.N.Takahashi, H.Tamura, K.Tanida, N.Terada, A.Toyoda, K.Tsukada, M.Ukai, S.H.Zhou Gamma-ray spectroscopy of 12ΛC via the (π+, K+) reaction NUCLEAR REACTIONS 12C(π+, K+), E not given; measured E(kaon), I(kaon), Eγ, Iγ. 12C deduced Λ hypernucleus γ transitions.
doi: 10.1016/j.nuclphysa.2013.04.007
2010MA72 Nucl.Phys. A835, 422c (2010) Y.Ma, S.Ajimura, K.Aoki, M.Dairaku, Y.Y.Fu, H.Fujioka, T.Fukuda, K.Futatsukawa, K.Hosomi, W.Imoto, M.Kawai, Y.Kakiguchi, S.Kinoshita, T.Koike, N.Maruyama, M.Mimori, S.Minami, Y.Miura, K.Miwa, Y.Miyagi, T.Nagae, D.Nakajima, H.Noumi, K.Shirotori, T.Suzuki, T.Takahashi, T.N.Takahashi, H.Tamura, K.Tanida, N.Terada, A.Toyoda, K.Tsukada, M.Ukai, S.H.Zhou Updated results on the 11ΛB and 12ΛC γ-ray spectroscopy study NUCLEAR REACTIONS 12C(π+, K+), (π+, K+p), E at 1.05 GeV/c; measured hypernuclei Eγ, Iγ; deduced levels, J, π, γ-multipolarity, Λ binding energy.
doi: 10.1016/j.nuclphysa.2010.01.234
2007FU07 Chin.Phys.Lett. 24, 2216 (2007) Y.-Y.Fu, S-H.Zhou, T.Koike, S.Kinoshita, Y.Ma, Y.Miura, K.Miwa, Y.Miyagi, K.Shirotori, T.Suzuki, H.Tamura, K.Tsukada, M.Ukai, K.Futatsukawa, K.Hosomi, M.Kawai, M.Mimori, N.Terada, N.Maruyama, K.Aoki, H.Fujioka, Y.Kakiguchi, T.Nagae, D.Nakajima, H.Noumi, T.Takahashi, T.N.Takahashi, A.Toyota, M.Dairaku, T.Fukuda, S.Minami, W.Imoto, S.Ajimura, K.Tanida Measurement of Gamma-Rays from 11ΛB and 12LC NUCLEAR REACTIONS 12C(π+, K+), (π+, K+p), E at 1.05 GeV/c; measured Eγ, Iγ from 12ΛC, 11λB decays. Deduced Λ-N interaction parameters.
doi: 10.1088/0256-307X/24/8/017
2007MA71 Eur.Phys.J. A 33, 243 (2007) Y.Ma, S.Ajimura, K.Aoki, M.Dairaku, Y.Y.Fu, H.Fujioka, T.Fukuda, K.Futatsukawa, K.Hosomi, W.Imoto, M.Kawai, Y.Kakiguchi, S.Kinoshita, T.Koike, N.Maruyama, M.Mimori, S.Minami, Y.Miura, K.Miwa, Y.Miyagi, T.Nagae, D.Nakajima, H.Noumi, K.Shirotori, T.Suzuki, T.Takahashi, T.N.Takahashi, H.Tamura, K.Tanida, N.Terada, A.Toyoda, K.Tsukada, M.Ukai, S.H.Zhou γ-ray spectroscopy study of 11ΛB and 12ΛC NUCLEAR REACTIONS 12C(π+, K+), E= MeV; measured hypernuclear mass spectrum, Eγ, Iγ. 11B, 12C deduced hypernuclei levels, J, π. Hyperball2 array.
doi: 10.1140/epja/i2007-10471-9
2005MI19 Nucl.Phys. A754, 75c (2005) Y.Miura, S.Ajimura, Y.Fujii, T.Fukuda, O.Hashimoto, H.Hotchi, K.Imai, W.Imoto, Y.Kakiguchi, S.Kameoka, A.Krutenkova, T.Maruta, A.Matsumura, K.Miwa, K.Mizunuma, S.N.Nakamura, T.Nagae, H.Nomura, H.Noumi, H.Outa, P.K.Saha, T.Saitoh, Y.Sato, M.Sekimoto, T.Takahashi, H.Tamura, K.Tanida, A.Toyoda, M.Ukai, H.Yamauchi γ spectroscopy of 11ΛB NUCLEAR REACTIONS 11B(π+, K+), E not given; measured Eγ, Iγ, DSA. 11B deduced hypernucleus transitions. Hyperball array, comparison with model predictions.
doi: 10.1016/j.nuclphysa.2005.02.131
2004MI30 Acta Phys.Pol. B35, 1019 (2004) Y.Miura, S.Ajimura, Y.Fujii, T.Fukuda, O.Hashimoto, H.Hotchi, K.Imai, W.Imoto, Y.Kakiguchi, S.Kameoka, A.Krutenkova, T.Maruta, A.Matsumura, K.Miwa, T.Miyoshi, K.Mizunuma, S.N.Nakamura, T.Nagae, H.Nomura, H.Noumi, Y.Okayasu, T.Otaki, H.Outa, P.K.Saha, T.Saitoh, Y.Sato, M.Sekimoto, T.Takahashi, H.Tamura, K.Tanida, A.Toyoda, M.Ukai, H.Yamauchi, and the KEK-PS E518 Collaboration A Recent Experiment with Hyperball NUCLEAR REACTIONS 11B(π+, K+), E at 1.04 GeV/c; measured Eγ, Iγ. 11B deduced hypernucleus transition energies.
2004MI56 Prog.Theor.Phys.(Kyoto), Suppl. 156, 160 (2004) Y.Miura, S.Ajimura, Y.Fujii, T.Fukuda, O.Hashimoto, H.Hotchi, K.Imai, W.Imoto, Y.Kakiguchi, S.Kameoka, A.Krutenkova, T.Maruta, A.Matsumura, K.Miwa, T.Miyoshi, K.Mizunuma, S.N.Nakamura, T.Nagae, H.Nomura, H.Noumi, Y.Okayasu, T.Otaki, H.Outa, P.K.Saha, T.Saitoh, Y.Sato, M.Sekimoto, T.Takahashi, H.Tamura, K.Tanida, A.Toyoda, M.Ukai, H.Yamauchi, and the KEK-PS E518 Collaboration g-Factor of Λ in the Hypernuclei Studied from B(M1) Measurement NUCLEAR STRUCTURE 11B; analyzed Eγ, Iγ, γγ-coin from hypernucleus decay.
doi: 10.1143/PTPS.156.160
2004SA01 Phys.Lett. B 579, 258 (2004) J.Sasao, D.Abe, H.Akikawa, K.Araki, H.Bhang, T.Endo, Y.Fujii, T.Fukuda, O.Hashimoto, K.Imai, H.Hotchi, Y.Kakiguchi, J.H.Kim, Y.D.Kim, T.Miyoshi, T.Murakami, T.Nagae, H.Noumi, H.Outa, K.Ozawa, T.Saito, Y.Sato, S.Satoh, R.Sawafta, M.Sekimoto, T.Takahashi, H.Tamura, L.Tang, K.Tanida, H.H.Xia, S.H.Zhou, L.H.Zhu 7ΛLi ground-state spin determined by the yield of γ-rays subsequent to weak decay NUCLEAR REACTIONS 7Li(π+, K+), E at 1.05 GeV/c; measured Eγ, Iγ; deduced hypernucleus decay branching ratio. 7Li deduced hypernucleus ground-state spin.
doi: 10.1016/j.physletb.2003.11.022
2001TA06 Phys.Rev.Lett. 86, 1982 (2001) K.Tanida, H.Tamura, D.Abe, H.Akikawa, K.Araki, H.Bhang, T.Endo, Y.Fujii, T.Fukuda, O.Hashimoto, K.Imai, H.Hotchi, Y.Kakiguchi, J.H.Kim, Y.D.Kim, T.Miyoshi, T.Murakami, T.Nagae, H.Noumi, H.Outa, K.Ozawa, T.Saito, J.Sasao, Y.Sato, S.Satoh, R.I.Sawafta, M.Sekimoto, T.Takahashi, L.Tang, H.H.Xia, S.H.Zhou, L.H.Zhu Measurement of the B(E2) of Λ7Li and Shrinkage of the Hypernuclear Size NUCLEAR REACTIONS 7Li(π+, K+), E at 1.05 GeV/c; measured Eγ, Iγ, DSA. 7Li deduced hypernucleus transition B(E2), core radius features. Hyperball array.
doi: 10.1103/PhysRevLett.86.1982
2001TA26 Nucl.Phys. A691, 115c (2001) K.Tanida, H.Tamura, D.Abe, H.Akikawa, K.Araki, H.Bhang, T.Endo, Y.Fujii, T.Fukuda, O.Hashimoto, K.Imai, H.Hotchi, Y.Kakiguchi, J.H.Kim, Y.D.Kim, T.Miyoshi, T.Murakami, T.Nagae, H.Noumi, H.Outa, K.Ozawa, T.Saito, J.Sasao, Y.Sato, S.Satoh, R.I.Sawafta, M.Sekimoto, T.Takahashi, L.Tang, H.H.Xia, S.H.Zhou, L.H.Zhu, for the KEK-PS E419 Collaboration High-Resolution γ-Ray Spectroscopy of Λ7Li NUCLEAR REACTIONS 7Li(π+, K+), E not given; measured Eγ, Iγ, γγ-coin, missing mass spectrum. 7Li deduced hypernucleus levels, J, π, B(E2).
doi: 10.1016/S0375-9474(01)01016-8
2000TA07 Nucl.Phys. A663-664, 481c (2000) H.Tamura, D.Abe, S.Ajimura, H.Akikawa, K.Araki, H.C.Bhang, R.E.Chrien, T.Endo, P.Eugenio, G.B.Franklin, Y.Fujii, T.Fukuda, L.Gan, O.Hashimoto, H.Hotchi, K.Imai, Y.Kakiguchi, P.Khaustov, J.H.Kim, Y.D.Kim, H.Kohri, M.May, T.Miyoshi, T.Murakami, T.Nagae, J.Nakano, H.Noumi, H.Outa, K.Ozawa, P.H.Pile, B.P.Quinn, A.Rusek, T.Saito, J.Sasao, Y.Sato, S.Satoh, R.I.Sawafta, R.A.Schumacher, M.Sekimoto, T.Takahashi, T.Tamagawa, L.Tang, K.Tanida, H.H.Xia, L.Yuan, S.H.Zhou, L.H.Zhu, X.F.Zhu High-Resolution Hypernuclear Gamma-Ray Spectroscopy NUCLEAR REACTIONS 7Li(π+, K+), E at 1.05 GeV/c; measured Eγ, Iγ. 7Li deduced hypernucleus transitions B(E2), B(M1). 9Be(K-, π-), E not given; measured Eγ, Iγ. 9Be deduced hypernucleus transitions.
doi: 10.1016/S0375-9474(99)00636-3
2000TA15 Nucl.Phys. A670, 249c (2000) H.Tamura, K.Tanida, D.Abe, H.Akikawa, K.Araki, H.Bhang, T.Endo, Y.Fujii, T.Fukuda, O.Hashimoto, K.Imai, H.Hotchi, Y.Kakiguchi, J.H.Kim, Y.D.Kim, T.Miyoshi, T.Murakami, T.Nagae, J.Nishida, H.Noumi, H.Outa, K.Ozawa, T.Saito, J.Sasao, Y.Sato, S.Satoh, R.Sawafta, M.Sekimoto, T.Takahashi, L.Tang, H.H.Xia, S.H.Zhou, L.H.Zhu High-Resolution Gamma-Ray Spectroscopy of Λ7Li NUCLEAR REACTIONS 7Li(π+, K+), E at 1.05 GeV/c; measured Eγ, Iγ. 7Li deduced hypernucleus transitions, B(E2), radius.
doi: 10.1016/S0375-9474(00)00107-X
2000TA21 Phys.Rev.Lett. 84, 5963 (2000) H.Tamura, K.Tanida, D.Abe, H.Akikawa, K.Araki, H.Bhang, T.Endo, Y.Fujii, T.Fukuda, O.Hashimoto, K.Imai, H.Hotchi, Y.Kakiguchi, J.H.Kim, Y.D.Kim, T.Miyoshi, T.Murakami, T.Nagae, H.Noumi, H.Outa, K.Ozawa, T.Saito, J.Sasao, Y.Sato, S.Satoh, R.I.Sawafta, M.Sekimoto, T.Takahashi, L.Tang, H.H.Xia, S.H.Zhou, L.H.Zhu Observation of a Spin-Flip M1 Transition in Λ7Li NUCLEAR REACTIONS 7Li(π+, K+), E at 1.05 GeV/c; measured Eγ, Iγ, hypernucleus excitation energy spectrum. 7Li deduced hypernucleus levels, J, π, spin-flip transition. Hyperball array.
doi: 10.1103/PhysRevLett.84.5963
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