NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = K.Asahi Found 83 matches. 2023IS02 Phys.Rev. C 107, 024306 (2023) Y.Ishibashi, A.Gladkov, Y.Ichikawa, A.Takamine, H.Nishibata, T.Sato, H.Yamazaki, T.Abe, J.M.Daugas, T.Egami, T.Fujita, G.Georgiev, K.Imamura, T.Kawaguchi, W.Kobayashi, Y.Nakamura, A.Ozawa, M.Sanjo, N.Shimizu, D.Tominaga, L.C.Tao, K.Asahi, H.Ueno Nuclear magnetic moment of the neutron-rich nucleus 21O NUCLEAR MOMENTS 21O; measured Iβ, b(θ), β-NMR spectra; deduced g-factor, J and π of the ground state as 5/2+ based on comparison to single-particle g-factors, configuration, magnetic moment for the 5/2+ ground state. Comparison to shell-model predictions using the USD, YSOX, and SDPF-M interactions and to random phase approximation (RPA) based calculations. Measured with β-ray detected nuclear magnetic resonance (β-NMR) spectroscopy. Spin-polarized 21O beam produced in 9Be(22Ne, X), E=70 MeV/nucleon reaction, followed by separation of 21O fragments using RIPS separator at RIKEN.
doi: 10.1103/PhysRevC.107.024306
2020BO04 Phys.Rev.Lett. 124, 112501 (2020) F.Boulay, G.S.Simpson, Y.Ichikawa, S.Kisyov, D.Bucurescu, A.Takamine, D.S.Ahn, K.Asahi, H.Baba, D.L.Balabanski, T.Egami, T.Fujita, N.Fukuda, C.Funayama, T.Furukawa, G.Georgiev, A.Gladkov, M.Hass, K.Imamura, N.Inabe, Y.Ishibashi, T.Kawaguchi, T.Kawamura, W.Kim, Y.Kobayashi, S.Kojima, A.Kusoglu, R.Lozeva, S.Momiyama, I.Mukul, M.Niikura, H.Nishibata, T.Nishizaka, A.Odahara, Y.Ohtomo, D.Ralet, T.Sato, Y.Shimizu, T.Sumikama, H.Suzuki, H.Takeda, L.C.Tao, Y.Togano, D.Tominaga, H.Ueno, H.Yamazaki, X.F.Yang, J.M.Daugas g Factor of the 99Zr(7/2+) Isomer: Monopole Evolution in the Shape-Coexisting Region RADIOACTIVITY 99Zr(IT) [from 9Be(238U, X), E=345 MeV/nucleon];measured decay products, Eγ, Iγ; deduced g-ray energies, J, π, level scheme, g-factor using a method of time-differential perturbed angular distribution (TDPAD), T1/2. Comparison with IBFM-1 calculations.
doi: 10.1103/PhysRevLett.124.112501
2019IC02 Nat.Phys. 15, 321 (2019) Y.Ichikawa, H.Nishibata, Y.Tsunoda, A.Takamine, K.Imamura, T.Fujita, T.Sato, S.Momiyama, Y.Shimizu, D.S.Ahn, K.Asahi, H.Baba, D.L.Balabanski, F.Boulay, J.M.Daugas, T.Egami, N.Fukuda, C.Funayama, T.Furukawa, G.Georgiev, A.Gladkov, N.Inabe, Y.Ishibashi, T.Kawaguchi, T.Kawamura, Y.Kobayashi, S.Kojima, A.Kusoglu, I.Mukul, M.Niikura, T.Nishizaka, A.Odahara, Y.Ohtomo, T.Otsuka, D.Ralet, G.S.Simpson, T.Sumikama, H.Suzuki, H.Takeda, L.C.Tao, Y.Togano, D.Tominaga, H.Ueno, H.Yamazaki, X.F.Yang Interplay between nuclear shell evolution and shape deformation revealed by the magnetic moment of 75Cu NUCLEAR REACTIONS 27Al(76Zn, p)75Cu, E<345 MeV/nucleon; 9Be(238U, X)76Zn, E= 345 MeV/nucleon; measured reaction products, Eγ, Iγ. 75Cu; deduced γ-ray energies, J, π, nuclear magnetic moment. Comparison with theoretical calculations, systematics.
doi: 10.1038/s41567-018-0410-7
2019SA43 Phys.Rev. A 100, 020502R (2019) A.Sakurai, B.K.Sahoo, K.Asahi, B.P.Das Relativistic many-body theory of the electric dipole moment of 129Xe and its implications for probing new physics beyond the standard model NUCLEAR MOMENTS 129Xe; calculated static dipole polarizability; deduced the time-reversal and parity violating electric dipole moment arising from the nuclear Schiff moment and the electron-nucleus tensor-pseudotensor interaction based on the self-consistent and the normal relativistic coupled-cluster methods.
doi: 10.1103/PhysRevA.100.020502
2018XU05 Phys.Lett. B 782, 619 (2018) Z.Y.Xu, H.Heylen, K.Asahi, F.Boulay, J.M.Daugas, R.P.de Groote, W.Gins, O.Kamalou, A.Koszorus, M.Lykiardopoulou, T.J.Mertzimekis, G.Neyens, H.Nishibata, T.Otsuka, R.Orset, A.Poves, T.Sato, C.Stodel, J.C.Thomas, N.Tsunoda, Y.Utsuno, M.Vandebrouck, X.F.Yang Nuclear moments of the low-lying isomeric 1+ state of 34Al: Investigation on the neutron 1p1h excitation across N=20 in the island of inversion NUCLEAR MOMENTS 32,34Al; measured transition frequencies using β-NMR/NQR techniques; deduced nuclear g factor and quadrupole moments. Comparison with large-scale shell-model calculations using several effective interactions.
doi: 10.1016/j.physletb.2018.06.009
2017TE02 Phys.Rev. C 96, 015501 (2017) E.Teruya, N.Yoshinaga, K.Higashiyama, K.Asahi Effects of particle-hole excitations to nuclear Schiff moments in Xe isotopes NUCLEAR MOMENTS 135,133,131,129Xe; calculated nuclear Schiff moments induced by the interaction violating parity and time reversal invariance using shell-model wave functions. Comparison with other theoretical calculations. 129Xe; calculated proton-single-particle energies, strength functions of Schiff moment operator as function of energy, energy weighted sum function for the Schiff moment; estimated upper limit for the electric dipole moment (EDM).
doi: 10.1103/PhysRevC.96.015501
2017YA10 Eur.Phys.J. A 53, 54 (2017) N.Yamanaka, B.K.Sahoo, N.Yoshinaga, T.Sato, K.Asahi, B.P.Das Probing exotic phenomena at the interface of nuclear and particle physics with the electric dipole moments of diamagnetic atoms: A unique window to hadronic and semi-leptonic CP violation ATOMIC PHYSICS 129Xe, 199Hg, 225Ra; deduced atomic electric dipole moment (relative to the CP-violation coefficient) from LHC and other published data.
doi: 10.1140/epja/i2017-12237-2
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
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
2014YA28 Phys.Rev. A 90, 052516 (2014) X.Yang, T.Furukawa, T.Wakui, T.Fujita, K.Imamura, Y.Mitsuya, M.Hayasaka, Y.Ichikawa, Y.Ishibashi, H.Shirai, T.Suzuki, Y.Ebara, A.Hatakeyama, M.Wada, T.Sonoda, Y.Ito, T.Kobayashi, S.Nishimura, Mizuki Kurata-Nishimura, Y.Kondo, K.-I.Yoneda, S.Kubono, Y.Ohshiro, H.Ueno, T.Shinozuka, T.Shimoda, K.Asahi, Y.Matsuo Laser-radio-frequency double-resonance spectroscopy of 84-87Rb isotopes trapped in superfluid helium NUCLEAR MOMENTS 84,85,86,87Rb; measured laser-radio-frequency double-resonance spectra; deduced nuclear spin values with reasonable accuracy.
doi: 10.1103/PhysRevA.90.052516
2013IC02 Hyperfine Interactions 220, 47 (2013) Y.Ichikawa, H.Ueno, Y.Ishii, T.Furukawa, A.Yoshimi, D.Kameda, H.Watanabe, N.Aoi, K.Asahi, D.L.Balabanski, R.Chevrier, J.M.Daugas, N.Fukuda, G.Georgiev, H.Hayashi, H.Iijima, N.Inabe, T.Inoue, M.Ishihara, T.Kubo, T.Nanao, T.Ohnishi, K.Suzuki, M.Tsuchiya, H.Takeda, M.M.Rajabali Novel method for the production of spin-aligned RI beams in projectile fragmentation reaction with the dispersion matching technique NUCLEAR REACTIONS 9Be(48Ca, X)33Al, E=345 MeV/nucleon; Al(33Al, X)32Al, E not given; measured reaction products, Eγ, Iγ; deduced spin-aligned radioactive ion beam.
doi: 10.1007/s10751-012-0682-8
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
2013MA47 Hyperfine Interactions 220, 89 (2013) K.Matsuta, Y.Masuda, K.Hatanaka, S.C.Jeong, S.Kawasaki, R.Matsumiya, M.Mihara, Y.Watanabe, D.Nishimura, Y.Morita, K.Asahi, T.Adachi, J.Martin, A.Konaka, A.Miller, C.Bidinosti, T.Dawson, L.Lee, C.Davis, D.Ramsay, W.van Oers, E.Korkmaz, L.Buchman Creation of polarized ultracold neutrons and observation of Ramsey resonance for electric dipole moment measurement NUCLEAR REACTIONS Pb(p, X)n, E=400 MeV; measured reaction products, En, In, Ramsey resonance spectra; deduced ultra cold neutron yield, spin polarization. Comparison with available data.
doi: 10.1007/s10751-013-0855-0
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
2012CH16 Phys.Rev.Lett. 108, 162501 (2012) R.Chevrier, J.M.Daugas, L.Gaudefroy, Y.Ichikawa, H.Ueno, M.Hass, H.Haas, S.Cottenier, N.Aoi, K.Asahi, D.L.Balabanski, N.Fukuda, T.Furukawa, G.Georgiev, H.Hayashi, H.Iijima, N.Inabe, T.Inoue, M.Ishihara, Y.Ishii, D.Kameda, T.Kubo, T.Nanao, G.Neyens, T.Ohnishi, M.M.Rajabali, K.Suzuki, H.Takeda, M.Tsuchiya, N.Vermeulen, H.Watanabe, A.Yoshimi Is the 7/21-1 Isomer State of 43S Spherical? NUCLEAR MOMENTS 43S; measured isomer deexciting Eγ, Iγ; deduced spectroscopic quadrupole moment. Comparison with SDPF-U interaction shell model calculations.
doi: 10.1103/PhysRevLett.108.162501
2012IC06 J.Phys.:Conf.Ser. 381, 012090 (2012) Y.Ichikawa, H.Ueno, Y.Ishii, T.Furukawa, A.Yoshimi, D.Kameda, H.Watanabe, N.Aoi, K.Asahi, D.L.Balabanski, R.Chevrier, J.M.Daugas, N.Fukuda, G.Georgiev, H.Hayashi, H.Iijima, N.Inabe, T.Inoue, M.Ishihara, T.Kubo, T.Nanao, T.Ohnishi, K.Suzuki, M.Tsuchiya, H.Takeda, M.M.Rajabali Production of spin-aligned RI beam via two-step fragmentation with dispersion matching
doi: 10.1088/1742-6596/381/1/012090
2012IC07 Nat.Phys. 8, 918 (2012) Y.Ichikawa, H.Ueno, Y.Ishii, T.Furukawa, A.Yoshimi, D.Kameda, H.Watanabe, N.Aoi, K.Asahi, D.L.Balabanski, R.Chevrier, J.-M.Daugas, N.Fukuda, G.Georgiev, H.Hayashi, H.Iijima, N.Inabe, T.Inoue, M.Ishihara, T.Kubo, T.Nanao, T.Ohnishi, K.Suzuki, M.Tsuchiya, H.Takeda, M.M.Rajabali Production of spin-controlled rare isotope beams
doi: 10.1038/nphys2457
2012SH22 Phys.Lett. B 714, 246 (2012) K.Shimada, H.Ueno, G.Neyens, K.Asahi, D.L.Balabanski, J.M.Daugas, M.Depuydt, M.De Rydt, L.Gaudefroy, S.Grevy, Y.Hasama, Y.Ichikawa, D.Kameda, P.Morel, T.Nagatomo, L.Perrot, Ch.Stodel, J.-C.Thomas, Y.Utsuno, W.Vanderheijden, N.Vermeulen, P.Vingerhoets, E.Yagi, K.Yoshida, A.Yoshimi Erosion of N = 20 shell in 33Al investigated through the ground-state electric quadrupole moment NUCLEAR MOMENTS 33Al; measured NMR spectrum; deduced ground state electric quadrupole moment. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2012.07.030
2012YO03 Hyperfine Interactions 204, 133 (2012) Y.Yoshida, K.Suzuki, Y.Kobayashi, T.Nagatomo, Y.Akiyama, K.Yukihira, K.Hayakawa, H.Ueno, A.Yoshimi, D.Nagae, K.Asahi, G.Langouche 57Fe charge states in MC-Si solar cells under light illumination after GeV-implantation of 57Mn RADIOACTIVITY 57Mn(β-) [from Be(58Fe, X), E=63 MeV/nucleon]; measured decay products, Eγ, Iγ, X-rays; deduced Mossbauer spectra, impurities trapping.
doi: 10.1007/s10751-011-0424-3
2010MI30 Hyperfine Interactions 197, 143 (2010) M.Mihara, T.Izumikawa, H.Ueno, K.Matsuta, D.Nishimura, T.Nagatomo, T.Moriguchi, Y.Ito, D.Nagae, M.Fukuda, A.Yoshimi, K.Yamada, M.Takechi, Y.Ichikawa, S.Momota, Y.Hirayama, T.Ohtsubo, S.Suzuki, T.Kubo, Y.Namiki, A.Ozawa, Y.Ishibashi, H.Oishi, K.Suzuki, I.Hachiuma, K.Namihira, D.Horikawa, T.Minamisono, T.Yamaguchi, T.Kuboki, T.Suzuki, K.Satoh, Y.Kobayashi, K.Asahi, K.Matsukawa, K.Shirai Beta-NMR measurement of 58Cu in Si RADIOACTIVITY 58Cu(EC)(β+); measured polarization in magnetic field, β-NMR; deduced μ.
doi: 10.1007/s10751-010-0249-5
2009AS05 Int.J.Mod.Phys. E18, 2020 (2009) K.Asahi, K.Shimada, K.Kameda, D.Nagae, M.Uchida, K.Suzuki, T.Inoue, N.Hatakeyama, S.Kagami, Y.Hasama, H.Ueno, H.Yoshimi, T.Nagatomo, T.Sugimoto, M.Ishihara, J.Murata, H.Kawamura, K.Narita Study of neutron-rich nuclei through static electromagnetic moments
doi: 10.1142/S0218301309014214
2009DE25 Phys.Lett. B 678, 344 (2009) M.De Rydt, G.Neyens, K.Asahi, D.L.Balabanski, J.M.Daugas, M.Depuydt, L.Gaudefroy, S.Grevy, Y.Hasama, Y.Ichikawa, P.Morel, T.Nagatomo, T.Otsuka, L.Perrot, K.Shimada, C.Stodel, J.C.Thomas, H.Ueno, Y.Utsuno, W.Vanderheijden, N.Vermeulen, P.Vingerhoets, A.Yoshimi Precision measurement of the electric quadrupole moment of 31Al and determination of the effective proton charge in the sd-shell RADIOACTIVITY 31Al(β-); measured electric quadrupole coupling constant; deduced quadrupole moment, proton effective charge using two β-NQR techniques. Comparison with shell model. Quadrupole systematics in nearby nuclei discussed.
doi: 10.1016/j.physletb.2009.06.043
2009NA03 Phys.Rev. C 79, 027301 (2009) D.Nagae, H.Ueno, D.Kameda, M.Takemura, K.Asahi, K.Takase, A.Yoshimi, T.Sugimoto, K.Shimada, T.Nagatomo, M.Uchida, T.Arai, T.Inoue, S.Kagami, N.Hatakeyama, H.Kawamura, K.Narita, J.Murata Ground-state electric quadrupole moment of 31Al NUCLEAR REACTIONS 93Nb(40Ar, X)31Al, E=95 MeV/nucleon; measured ground state electric quadrupole moment for a spin polarized 31Al beam using β-NQR spectroscopy. NUCLEAR MOMENTS 31Al; measured ground state electric quadrupole moments using the β-NQR method.
doi: 10.1103/PhysRevC.79.027301
2009NA41 Eur.Phys.J. A 42, 383 (2009) T.Nagatomo, K.Shimada, K.Asahi, D.L.Balabanski, J.M.Daugas, M.Depuydt, M.De Rydt, L.Gaudefroy, S.Grevy, Y.Hasama, Y.Ichikawa, D.Kameda, P.Morel, L.Perrot, C.Stodel, J.C.Thomas, W.Vanderheijden, N.Vermeulen, P.Vingerhoets, A.Yoshimi, G.Neyens, H.Ueno Electric quadrupole moment of the neutron-rich 33Al RADIOACTIVITY 33Al(β-)[from Be(36S, X), E=77.5 MeV/nucleon]; measured β-NQR spectra from polarized 33Al nuclei. LISE spectrometer at GANIL. NUCLEAR MOMENTS 33Al; measured electric quadrupole moment by β-ray detected nuclear quadrupole resonance (β-NQR) method. Relevance to 'Island of Inversion'. Polarized 33Al nuclei.
doi: 10.1140/epja/i2009-10885-3
2008NA28 Nucl.Instrum.Methods Phys.Res. B266, 4612 (2008) D.Nagae, H.Ueno, D.Kameda, M.Takemura, K.Asahi, K.Takase, A.Yoshimi, T.Sugimoto, K.Shimada, T.Nagatomo, M.Uchida, T.Arai, T.Inoue, S.Kagami, N.Hatakeyama, J.Murata, H.Kawamura, K.Narita Electric quadrupole moment of 31Al NUCLEAR REACTIONS 93Nb(40Ar, X)31Al, E=95 MeV/nucleon; measured ground state electric quadrupole moment for a spin polarized 31Al beam using β-NQR spectroscopy using RIPS at RIKEN facility. NUCLEAR MOMENTS 31Al; measured ground state electric quadrupole moments using the β-NQR method.
doi: 10.1016/j.nimb.2008.05.111
2007KA18 Phys.Lett. B 647, 93 (2007) D.Kameda, H.Ueno, K.Asahi, M.Takemura, A.Yoshimi, T.Haseyama, M.Uchida, K.Shimada, D.Nagae, G.Kijima, T.Arai, K.Takase, S.Suda, T.Inoue, J.Murata, H.Kawamura, Y.Kobayashi, H.Watanabe, M.Ishihara Measurement of the electric quadrupole moment of 32Al RADIOACTIVITY 32Al(β-) [from 40Ar fragmentation]; measured β-NMR spectra. 32Al deduced quadrupole moment.
doi: 10.1016/j.physletb.2007.01.063
2007KA68 Hyperfine Interactions 180, 61 (2007) D.Kameda, H.Ueno, K.Asahi, D.Nagae, M.Takemura, K.Shimada, A.Yoshimi, T.Nagatomo, T.Sugimoto, M.Uchida, T.Arai, K.Takase, S.Suda, T.Inoue, J.Murata, H.Kawamura, H.Watanabe, Y.Kobayashi, M.Ishihara Electric quadrupole moments of neutron-rich nuclei 32Al and 31Al NUCLEAR MOMENTS 32,31Al(β-); measured ground state electric quadrupole moments using the β-NQR method.
doi: 10.1007/s10751-008-9685-x
2007SA25 J.Radioanal.Nucl.Chem. 272, 665 (2007) W.Sato, H.Ueno, A.Taniguchi, Y.Itsuki, Y.Kasamatsu, A.Shinohara, K.Asahi, Y.Ohkubo Time-dependent quadrupole interactions for 140Ce ions implanted in highly oriented pyrolytic graphite RADIOACTIVITY 140Ce(β-); measured Eγ, Iγ, angular anisotropy for source implanted in highly oriented pyrolytic graphite. Time-differential perturbed angular correlation.
doi: 10.1007/s10967-007-0643-x
2007SH50 Hyperfine Interactions 180, 43 (2007) K.Shimada, D.Nagae, K.Asahi, T.Inoue, K.Takase, S.Kagami, N.Hatakeyama, Y.Kobayashi, H.Ueno, A.Yoshimi, D.Kameda, T.Nagatomo, T.Sugimoto, S.Kubono, H.Yamaguchi, Y.Wakabayashi, G.Amadio, S.Hayakawa, J.Murata, H.Kawamura Production of spin-polarized 17N beam using inverse-kinematics low-energy transfer reactions
doi: 10.1007/s10751-008-9626-8
2007UE02 Eur.Phys.J. Special Topics 150, 185 (2007) H.Ueno, D.Kameda, D.Nagae, M.Takemura, K.Asahi, K.Shimada, K.Takase, T.Sugimoto, T.Nagatomo, M.Uchida, T.Arai, T.Inoue, A.Yoshimi, T.Kawamura, K.Narita Nuclear moments of neutron-rich aluminum isotopes RADIOACTIVITY 30,31,32Al(β-); measured magnetic dipole and electric quadrupole moments using the β-NMR method.
doi: 10.1140/epjst/e2007-00299-y
2005UE01 Phys.Lett. B 615, 186 (2005) H.Ueno, D.Kameda, G.Kijima, K.Asahi, A.Yoshimi, H.Miyoshi, K.Shimada, G.Kato, D.Nagae, S.Emori, T.Haseyama, H.Watanabe, M.Tsukui Magnetic moments of 3013Al17 and 3213Al19 RADIOACTIVITY 30,32Al(β-) [from 40Ar fragmentation]; measured β-NMR spectra, T1/2; deduced μ. NUCLEAR MOMENTS 30,32Al; measured β-NMR spectra; deduced μ.
doi: 10.1016/j.physletb.2005.04.037
2004KA22 Nucl.Phys. A734, 481 (2004) D.Kameda, K.Asahi, H.Ueno, A.Yoshimi, H.Watanabe, H.Miyoshi, K.Shimada, J.Murata, Y.Kobayashi, G.Kato, S.Emori, W.Sato, H.Ogawa Recent result from the nuclear moment measurements using a spin polarized radioactive beam RADIOACTIVITY 19N(β-) [from C(22Ne, X)]; measured β-NMR spectra from oriented nuclei; deduced ground-state g factor.
doi: 10.1016/j.nuclphysa.2004.01.090
2004UE03 Nucl.Phys. A738, 211 (2004) H.Ueno, K.Asahi, H.Ogawa, D.Kameda, H.Miyoshi, A.Yoshimi, H.Watanabe, K.Shimada, W.Sato, K.Yoneda, N.Imai, Y.Kobayashi, M.Ishihara, W.-D.Schmidt-Ott Measurement of nuclear moments in the region of light neutron-rich nuclei NUCLEAR MOMENTS 17C, 17,19N; measured μ. 17C deduced ground-state J, π. 11,13,15,17B; measured electric quadrupole moments.
doi: 10.1016/j.nuclphysa.2004.04.033
2004WA05 Eur.Phys.J. A 19, 163 (2004) H.Watanabe, Y.Wakabayashi, Y.Gono, T.Fukuchi, H.Ueno, W.Sato, A.Yoshimi, D.Kameda, H.Miyoshi, T.Kishida, Y.Kobayashi, T.Morikawa, S.Motomura, O.Kashiyama, K.Saito, A.Odahara, K.Asahi Lifetime of a new high-spin isomer in 150Dy NUCLEAR REACTIONS 141Pr(16O, 6np), E=165 MeV; measured Eγ, Iγ, γγ-coin, DSA. Mg(132Xe, X)150Dy, E=7 MeV/nucleon; measured prompt and delayed Eγ, Iγ, γγ-coin. 150Dy deduced high-spin levels, J, π, high-spin isomer T1/2. Recoil shadow and centroid shift techniques.
doi: 10.1140/epja/i2003-10150-y
2004WA33 Nucl.Phys. A746, 540c (2004) H.Watanabe, K.Asahi, T.Kishida, H.Ueno, W.Sato, A.Yoshimi, Y.Kobayashi, D.Kameda, H.Miyoshi, T.Fukuchi, Y.Wakabayashi, T.Sasaki, M.Kibe, N.Hokoiwa, A.Odahara, B.Cederwall, K.Lagergren, Zs.Podolyak, M.Ishihara, Y.Gono Application of the high-spin isomer beams to the secondary fusion reaction and the measurement of g-factor NUCLEAR REACTIONS 12C(145Sm, 3n), E ≈ 5.5 MeV/nucleon; measured Eγ, Iγ. Mg(132Xe, X)149mDy, E not given; measured Eγ, Iγ(θ, H, t). 149Dy deduced g factor for high-spin isomer.
doi: 10.1016/j.nuclphysa.2004.09.141
2004YO07 Nucl.Phys. A738, 519 (2004) A.Yoshimi, H.Ueno, W.Sato, H.Watanabe, Y.Kobayashi, J.Murata, H.Miyoshi, K.Shimada, K.Asahi Study on the transient field at very high velocities for the g-factor measurement of excited states in unstable nuclei NUCLEAR REACTIONS 197Au, Gd(22Ne, 22Ne'), E=4.9 MeV/nucleon; measured Eγ, Iγ(θ, H, t), (particle)γ-coin; deduced transient magnetic field strength in Gd target layer.
doi: 10.1016/j.nuclphysa.2004.04.101
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
2003OG03 Phys.Rev. C 67, 064308 (2003) H.Ogawa, K.Asahi, K.Sakai, T.Suzuki, H.Izumi, H.Miyoshi, M.Nagakura, K.Yogo, A.Goto, T.Suga, T.Honda, H.Ueno, Y.X.Watanabe, K.Yoneda, A.Yoshimi, N.Fukuda, Y.Kobayashi, A.Yoshida, T.Kubo, M.Ishihara, N.Imai, N.Aoi, W.-D.Schmidt-Ott, G.Neyens, S.Teughels Electric quadrupole moment of 17B and anomalous E2 effective charges for neutron-rich nuclei RADIOACTIVITY 17B(β-) [from 93Nb(22Ne, X)]; measured β-NMR spectra from polarized source. 17B deduced quadrupole moment. Comparison with shell-model predictions.
doi: 10.1103/PhysRevC.67.064308
2003SA04 J.Radioanal.Nucl.Chem. 255, 183 (2003) W.Sato, H.Ueno, H.Watanabe, H.Ogawa, H.Miyoshi, N.Imai, A.Yoshimi, K.Yoneda, D.Kameda, Y.Kobayashi, K.Asahi On-line TDPAC studies with the 19O beam RADIOACTIVITY 19O(β-) [from Be(22Ne, X)]; measured Eγ, Iγ(θ, H, t), γγ-coin. 19F transitions deduced angular correlation coefficients for different implantation media.
doi: 10.1023/A:1022216806445
2003WA28 Nucl.Phys. A728, 365 (2003) H.Watanabe, H.Ueno, D.Kameda, W.Sato, A.Yoshimi, H.Miyoshi, T.Kishida, Y.Kobayashi, A.Odahara, Y.Gono, K.Asahi g-Factor of the high-spin isomer in 149Dy and a multi-quasiparticle configuration caused by the N = 82 core excitations NUCLEAR REACTIONS Mg(132Xe, xn)149Dy, E=7.0 MeV/nucleon; measured delayed Eγ, Iγ(θ, H, t). 149Dy deduced g factor of high-spin isomer. Time-differential perturbed angular distribution method, deformed independent particle model analysis.
doi: 10.1016/j.nuclphysa.2003.09.007
2002AS06 Nucl.Phys. A704, 88c (2002) K.Asahi, K.Sakai, H.Ogawa, H.Miyoshi, K.Yogo, A.Goto, T.Suga, H.Ueno, Y.Kobayashi, A.Yoshimi, A.Yoshida, T.Kubo, Y.X.Watanabe, H.Imai, K.Yoneda, N.Fukuda, N.Aoi, M.Ishihara, W.-D.Schmidt-Ott, G.Neyens, S.Teughels Electromagnetic Moments of Neutron-Rich Nuclei Measured with Polarized Radioactive Ion Beams NUCLEAR MOMENTS 15C, 17,18N; measured β-NMR spectra of oriented nuclei; deduced μ.
doi: 10.1016/S0375-9474(02)00769-8
2002HA23 Phys.Lett. 534B, 39 (2002) T.Haseyama, K.Asahi, J.D.Bowman, P.P.J.Delheij, H.Funahashi, S.Ishimoto, G.Jones, A.Masaike, Y.Masuda, Y.Matsuda, K.Morimoto, S.Muto, S.I.Penttila, V.R.Pomeroy, K.Sakai, E.I.Sharapov, D.A.Smith, V.W.Yuan Measurement of Parity-Nonconserving Rotation of Neutron Spin in the 0.734-eV p-Wave Resonance of 139La NUCLEAR REACTIONS 139La(polarized n, n), E ≈ 0.5-1 eV; measured neutron polarization, spin rotation angle; deduced parity-nonconserving effect. Comparison with previous results, model predictions.
doi: 10.1016/S0370-2693(02)01720-3
2002KO15 Eur.Phys.J. A 13, 243 (2002) Y.Kobayashi, Y.Yoshida, M.K.Kubo, Y.Yamada, A.Yoshida, H.Ogawa, H.Ueno, K.Asahi In-Beam Mossbauer Study of 57Fe using a Secondary 57Mn Beam and Ion Implantation NUCLEAR REACTIONS 57Fe(γ, γ'), E=14.4 keV; measured Mossbauer spectra. Target and source implanted in Si.
doi: 10.1007/s10050-002-8750-0
2002OG02 Eur.Phys.J. A 13, 81 (2002) H.Ogawa, K.Asahi, H.Ueno, K.Sakai, H.Miyoshi, D.Kameda, T.Suzuki, H.Izumi, N.Imai, Y.X.Watanabe, K.Yoneda, N.Fukuda, H.Watanabe, A.Yoshimi, W.Sato, N.Aoi, M.Nagakura, T.Suga, K.Yogo, A.Goto, T.Honda, Y.Kobayashi, W.-D.Schmidt-Ott, G.Neyens, S.Teughels, A.Yoshida, T.Kubo, M.Ishihara Quenching of Neutron E2 Effective Charge in Neutron-Rich Nuclei and the Ground-State Spin-Parity of 17C RADIOACTIVITY 17B, 17C(β-) [from 93Nb(22Ne, X)]; measured β-NMR spectra from polarized nuclei. 17B deduced quadrupole moment. 17C deduced g-factor, ground-state J, π. Quenching of core polarization discussed.
doi: 10.1007/s10050-002-8723-3
2002OG14 Prog.Theor.Phys.(Kyoto), Suppl. 146, 607 (2002) H.Ogawa, K.Asahi, H.Ueno, H.Miyoshi, D.Kameda, N.Imai, K.Yoneda, H.Watanabe, T.Suga, K.Ohno, A.Yoshimi, W.Sato, K.Sakai, K.Yogo, Y.Kobayashi, A.Yoshida, T.Kubo, M.Ishihara Assignment of the Ground-State Spin-Parity for 17C through g-Factor Measurement RADIOACTIVITY 17C(β-) [from 93Nb(22Ne, X)]; measured β-NMR spectra from polarized nuclei. 17C deduced g-factor, ground-state J, π.
doi: 10.1143/PTPS.146.607
2001AS03 Prog.Part.Nucl.Phys. 46, 321 (2001) RIKEN Radioactive Beam Facility and Polarized Radioactive Beams
doi: 10.1016/S0146-6410(01)00139-9
2001AS04 Nucl.Phys. A693, 63 (2001) Nuclear Electromagnetic Moments. β-NMR and Its Applications
doi: 10.1016/S0375-9474(01)00361-X
2001AS07 Hyperfine Interactions 136/137, 183 (2001) K.Asahi, H.Ogawa, H.Ueno, Y.Kobayashi, W.Sato, A.Yoshimi, H.Watanabe, D.Kameda, H.Miyoshi, K.Sakai, N.Imai, K.Yoneda, Y.X.Watanabe, N.Fukuda, N.Aoi, A.Yoshida, T.Kubo, M.Ishihara Nuclear Moment Studies with Polarized Radioactive Nuclear Beams RADIOACTIVITY 17C(β-) [from 93Nb(22Ne, X)]; measured β-NMR spectrum from oriented source. 17C deduced ground-state g factor.
doi: 10.1023/A:1020536116462
2001SA24 Phys.Rev. C63, 064310 (2001) N/Z Dependence of Core Polarization Charges and Quadrupole Moments of B Isotopes NUCLEAR STRUCTURE 12,16,20C; calculated quadrupole response functions, polarization charges. 10,11,12,13,14,15,17B; calculated quadrupole moments. Comparisons with data.
doi: 10.1103/PhysRevC.63.064310
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
1998OG04 J.Phys.(London) G24, 1399 (1998) 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 Static Moments of the 18N Ground State RADIOACTIVITY 18N(β-) [from 22Ne primary beam fragmentation]; measured Iβ(H, t). 18N deduced ground-state Q, μ. β-NMR technique.
1998SC19 Phys.Rev. C57, 2205 (1998) M.Schafer, W.-D.Schmidt-Ott, T.Dorfler, T.Hild, T.Pfeiffer, R.Collatz, H.Geissel, M.Hellstrom, Z.Hu, H.Irnich, N.Iwasa, M.Pfutzner, E.Roeckl, M.Shibata, B.Pfeiffer, K.Asahi, H.Izumi, H.Ogawa, H.Sato, H.Ueno, H.Okuno Polarization in Fragmentation, g Factor of 35K NUCLEAR REACTIONS 9Be(40Ca, X)39Ca/35K/37K, E=500 MeV/nucleon; measured fragments beta asymmetry; deduced polarization. 35K deduced g factor. Projectile fragment separator. RADIOACTIVITY 35K(β+) [from 9Be(40Ca, X)]; measured T1/2. Projectile fragment separator.
doi: 10.1103/PhysRevC.57.2205
1997SA05 Phys.Lett. 391B, 11 (1997) K.Sakai, Y.Masuda, T.Adachi, K.Asahi, M.Doi, M.Harada, S.Ishimoto, M.Iinuma, J.Kura, A.Masaike, Y.Matsuda, K.Morimoto, S.Muto, K.Okumura, H.Sato, H.M.Shimizu, A.Yoshimi, Z.J.Zheng Observation of Parity-Violating Neutron Spin Rotation in the n-139La p-Wave Resonance NUCLEAR REACTIONS 139La(polarized n, n), E=0.5-1 eV; measured parity-violating spin rotation angle near p-wave resonance; deduced parity mixing matrix element.
doi: 10.1016/S0370-2693(96)01447-5
1996IZ01 Phys.Lett. 366B, 51 (1996) H.Izumi, K.Asahi, H.Ueno, H.Okuno, H.Sato, K.Nagata, Y.Hori, M.Adachi, N.Aoi, A.Yoshida, G.Liu, N.Fukunishi, M.Ishihara Electric Quadrupole Moments of Neutron-Rich Nuclei 14B and 15B RADIOACTIVITY 14,15B(β-) [from 93Nb(18O, X), E=64.7 MeV/nucleon]; measured β-NMR, polarized nuclei; deduced electric quadrupole moments. Shell model comparison.
doi: 10.1016/0370-2693(95)01312-1
1996IZ02 Hyperfine Interactions 97/98, 509 (1996) H.Izumi, K.Asahi, H.Ueno, H.Okuno, H.Sato, K.Nagata, Y.Hori, M.Adachi, N.Aoi, A.Yoshida, G.Liu, N.Fukunishi, M.Ishihara Measurement of Electric Quadrupole Moments of Neutron-Rich Nuclei 14B and 15B RADIOACTIVITY 12,14,15B(β-) [from 93Nb(18O, X), E=64.7 MeV/nucleon]; measured β-NMR, polarized sources. 17N, 17,14,15B deduced electric quadrupole moments. Other data input.
doi: 10.1007/BF02150193
1996LI67 High Energy Phys. and Nucl.Phys. (China) 20, 778 (1996) G.Liu, K.Asahi, H.Izumi, H.Ueno, H.Okuno, H.Sato, K.Nagata, Y.Hori, M.Adechi, N.Aoi, A.Yoshida, N.Fukunishi, M.Ishihara Measurements of Electric Quadrupole Moments of Neutron-Rich Nuclei 14B and 15B
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
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
1994AD10 Nucl.Phys. A577, 433c (1994) T.Adachi, K.Asahi, M.Doi, M.Harada, M.Iinuma, S.Ishimoto, T.Maekawa, A.Masaike, Y.Masuda, Y.Matsuda, K.Morimoto, K.Okumura, K.Sakai, H.Sato, H.M.Shimizu, Y.Takahashi, R.Takizawa, T.Yabuzaki, Z.J.Zheng Test of Parity Violation and Time Reversal Invariance in Slow Neutron Absorption Reactions NUCLEAR REACTIONS 139La, 111Cd, 81Br(polarized n, γ), E=slow; compiled, reviewed data; deduced weak interaction matrix element.
doi: 10.1016/0375-9474(94)90893-1
1994MA53 Hyperfine Interactions 84, 337 (1994) Y.Masuda, T.Adachi, K.Asahi, M.Doi, M.Iinuma, S.Ishimoto, A.Masaike, Y.Matsuda, K.Morimoto, Y.Mori, K.Sakai, H.Sato, H.M.Shimizu, Z.Z.Jian Neutron Polarization for P- and T-Violation Experiments NUCLEAR REACTIONS 139La(polarized n, γ), E=0.4-1.1 eV; compiled, reviewed capture γ-yield, asymmetry data. 81Br, 111Cd, 93Nb, 108Pd, 124Sn(polarized n, γ), E ≈ resonance; compiled, reviewed longitudinal asymmetry data.
doi: 10.1007/BF02060681
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
1994SA56 Hyperfine Interactions 84, 205 (1994) H.Sato, Y.Masuda, K.Sakai, M.Doi, K.Asahi, Z.J.Zheng, Y.Mori, P.P.J.Delheij, Y.Matsuda, M.Iinuma, H.M.Shimizu, A.Masaike Polarized 3He System for T- and P-Violation Neutron Experiments NUCLEAR REACTIONS 3He(polarized n, X), E not given; measured target polarization from neutron transmission. Target polarized by optical pumping.
doi: 10.1007/BF02060665
1994SC40 Z.Phys. A350, 215 (1994) W.-D.Schmidt-Ott, K.Asahi, Y.Fujita, H.Geissel, K.-D.Gross, T.Hild, H.Irnich, M.Ishihara, K.Krumbholz, V.Kunze, A.Magel, F.Meissner, K.Muto, F.Nickel, H.Okuno, M.Pfutzner, C.Scheidenberger, K.Suzuki, M.Weber, C.Wennemann Spin Alignment of 43Sc Produced in the Fragmentation of 500 MeV/u 46Ti NUCLEAR REACTIONS 9Be(46Ti, X), E=500 MeV/nucleon; measured γ(θ, H, t). 43mSc deduced spin alignment. Projectile fragmentation.
doi: 10.1007/BF01289585
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
1992KU07 Phys.Rev. C46, 361 (1992) S.Kubono, N.Ikeda, Y.Funatsu, M.H.Tanaka, T.Nomura, H.Orihara, S.Kato, M.Ohura, T.Kubo, N.Inabe, A.Yoshida, T.Ichihara, M.Ishihara, I.Tanihata, H.Okuno, T.Nakamura, S.Shimoura, H.Toyokawa, C.C.Yun, H.Ohnuma, K.Asahi, A.Chakrabarti, T.Mukhopadhyay, T.Kajino Decay Property of 20Na for the Onset Mechanism of the Rapid-Proton Process RADIOACTIVITY 20Mg(β+) [from 9Be(24Mg, X), E=100 MeV/nucleon]; measured T1/2, βp-coin; deduced log ft, 19Ne(p, γ) reaction rate implications. 20Na deduced levels, possible J, π.
doi: 10.1103/PhysRevC.46.361
1992KU24 Nucl.Instrum.Methods Phys.Res. B70, 583 (1992) S.Kubono, Y.Funatsu, N.Ikekda, M.H.Tanaka, T.Nomura, H.Orihara, S.Kato, M.Ohura, T.Kubo, N.Inabe, T.Ichihara, M.Ishihara, I.Tanihata, H.Okuno, T.Nakamura, S.Shimoura, H.Toyokawa, C.C.Yun, H.Ohnuma, K.Asahi, A.Chakrabarti, T.Mukhopadhyay, T.Kajino Proton Decay Measurement with RIPS for Astrophysical Interest RADIOACTIVITY 20Mg(β+) [from 9Be(24Mg, X), E=100 MeV/nucleon]; measured decay curve. 20Na(β+p), (α); measured β-delayed particle spectra. 20Na deduced 1+ state may not be s-wave resonance.
doi: 10.1016/0168-583X(92)95987-3
1992MA52 Hyperfine Interactions 74, 223 (1992) S.Matsuki, K.Shimomura, I.Ogawa, K.Suzuki, S.Hamada, T.Nakamura, H.Okuno, M.Koizumi, N.Inabe, Y.Fukashiro, H.Sunaoshi, M.Wada, T.Murayama, T.Kohmoto, M.Kitano, T.Kubo, T.Shinozuka, K.Asahi, Y.Kido, T.T.Inamura, T.Nomura, M.Ishihara, M.Fujioka, H.T.Duong, H.Haas, and the ISOLDE Collaboration Radiation-Detected Optical Pumping in Solids NUCLEAR REACTIONS 160Gd(12C, 5np), E=100 MeV; measured residual nucleus polarization. 160Gd(12C, 6n), E=100 MeV; measured nuclear polarization following residual decay. Optical pumping in SrF, crystal. RADIOACTIVITY 164Tm(β+) [from 164Yb-decay following production in 158Gd(12C, 6n), E=100 MeV]; measured β+ asymmetry. On-line polarization, implantation in CaF2 host crystal. 114mIn(IT); measured β+ asymmetry of 114In decay vs exciting laser wavelength. Polarization of 114In in GaAs crystal, Ti-saphire excited laser for optical pumping. 33Si(β-) [from 9Be(Ar, X), E=94 MeV/nucleon]; measured β-asymmetry, NMR vs exciting laser wavelength. Ion implantation in GaAs host crystal.
doi: 10.1007/BF02398632
1992SH23 Hyperfine Interactions 74, 317 (1992) K.Shimomura, T.Nakamura, H.Okuno, M.Koizumi, S.Hamada, N.Inabe, I.Ogawa, K.Suzuki, M.Wada, H.Sunaoshi, Y.Fukashiro, T.Murayama, T.Kohmoto, T.Shinozuka, T.Kubo, K.Asahi, T.Inamura, M.Ishihara, M.Fujioka, S.Matsuki Nuclear Polarization and Magnetic Resonance of 33Si with Optical Pumping in Solids RADIOACTIVITY 33Si(β-) [from 9Be(Ar, X), E=80, 95 MeV/nucleon]; measured β-asymmetry, more precise T1/2; deduced polarization, magnetic resonance. Scintillation-counter telescopes, implantation into liquid He cooled GaAs crystal.
doi: 10.1007/BF02398646
1992SH31 Nucl.Instrum.Methods Phys.Res. B70, 513 (1992) K.Shimomura, I.Ogawa, K.Suzuki, S.Hamada, T.Nakamura, H.Okuno, M.Koizumi, N.Inabe, Y.Fukashiro, H.Sunaoshi, M.Wada, S.Hatori, T.Murayama, T.Kohmoto, Y.Fukuda, T.Kubo, T.Shinozuka, K.Asahi, S.Morinobu, T.T.Inamura, M.Ishihara, M.Fujioka, M.Kondo, S.Matsuki OPERA: An On-Line System of Optical Pumping in Solids for Unstable Nuclei RADIOACTIVITY 166Tm(β+), (EC) [from 166Yb(EC-decay) following 160Gd(12C, 6n), E=100 MeV; 160Gd(12C, 5np), E=100 MeV]; 114In(β-), (β+), (EC) [from 114mIn(IT)]; 33Si(β-) [from 9Be(Ar, X), E=94 MeV/nucleon]; measured β asymmetry, NMR, polarized nuclei. On-line system, optical pumping in solids.
doi: 10.1016/0168-583X(92)95975-W
1991AS01 Phys.Rev. C43, 456 (1991) K.Asahi, M.Ishihara, T.Ichihara, M.Fukuda, T.Kubo, Y.Gono, A.C.Mueller, R.Anne, D.Bazin, D.Guillemaud-Mueller, R.Bimbot, W.D.Schmidt-Ott, J.Kasagi Observation of Spin-Aligned Secondary Fragment Beams of 14B NUCLEAR REACTIONS 9Be(18O, X), E=60 MeV/nucleon; measured 14B production yield, spin alignment. Doubly achromatic spectrometer, secondary beams.
doi: 10.1103/PhysRevC.43.456
1991FU10 Phys.Lett. 268B, 339 (1991) M.Fukuda, T.Ichihara, N.Inabe, T.Kubo, H.Kumagai, T.Nakagawa, Y.Yano, I.Tanihata, M.Adachi, K.Asahi, M.Kouguchi, M.Ishihara, H.Sagawa, S.Shimoura Neutron Halo in 11Be Studied via Reaction Cross Sections NUCLEAR REACTIONS 12C, 27Al(11Be, X), E=33 MeV/nucleon; measured reaction, fragmentation σ. 11Be deduced neutron halo evidence in density distribution.
doi: 10.1016/0370-2693(91)91587-L
1990AS01 Phys.Rev. C41, 358 (1990) K.Asahi, K.Matsuta, K.Takeyama, K.H.Tanaka, Y.Nojiri, T.Minamisono Half-Life and Branching Ratios of 13O Beta Decay RADIOACTIVITY 13O(β+p) [from 14N(p, 2n), E=45 MeV]; measured β-delayed Ip, Ep, Ip/Iβ; deduced T1/2. 13N levels deduced branching ratio. Si(Au), plastic detectors. Compared with 13B decay.
doi: 10.1103/PhysRevC.41.358
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
1986TA13 Phys.Rev. C34, 580 (1986) K.H.Tanaka, Y.Nojiri, T.Minamisono, K.Asahi, N.Takahashi Polarization of 12B Produced in 14N-Induced Reactions NUCLEAR REACTIONS 232Th, 100Mo, Cu, Fe, 45Sc, 27Al(14N, 12B), E=120, 200 MeV; measured σ(E(12B)), 12B spin polarization; deduced polarization dependence on target mass, kinetic energy loss, friction constant, frictional, direct process coexistence. Friction model.
doi: 10.1103/PhysRevC.34.580
1984AS02 Nucl.Instrum.Methods 220, 389 (1984) K.Asahi, M.Ishihara, H.Kamitsubo, N.Takahashi, Y.Nojiri, T.Minamisono, A.Mizobuchi, K.Sugimoto Measurement of Ejectile Polarization in Heavy Ion Reactions via Beta-Ray Asymmetry NUCLEAR REACTIONS 100Mo(14N, 12B), (12C, 12B), E=90, 125 MeV; 100Mo(10B, 12B), E=67, 70 MeV; 100Mo(12C, 12B), E=92, 95 MeV; measured ejectile polariztion vs (Q-value), σ(E(12B)), ejectile to background yield ratio. Beta-asymmetry, NMR techniques. RADIOACTIVITY 12B(β-) [from 100Mo(14N, 12B), (12C, 12B), E=95 MeV; 100Mo(10B, 12B), E=70 MeV]; measured β-asymmetry; deduced 12B polarization vs (Q-value). NMR technique.
doi: 10.1016/0167-5087(84)90300-4
1983MI20 Phys.Lett. 130B, 1 (1983) T.Minamisono, K.Takeyama, T.Ishigai, H.Takeshima, Y.Nojiri, K.Asahi Beta Decay Rate of the 16N(0-) → 16O(0+) Transition for the Study of Meson-Exchange Effects and g(p)/g(A). RADIOACTIVITY 16N(β-) [from 15N(d, p), E=3.5 MeV]; measured β-, γ-time spectra, relative γ yield; deduced β-decay rate Wβ, Wβ/Wμ, g(p)/g(A).
doi: 10.1016/0370-2693(83)91050-X
1983MI28 Hyperfine Interactions 15/16, 25 (1983) T.Minamisono, K.H.Tanaka, Y.Nojiri, K.Asahi, N.Takahashi Systematics of the Nuclear Spin Polarization of 12B in 14N Induced Heavy Ion Reactions NUCLEAR REACTIONS Fe, Cu, 45Sc, 27Al(14N, 12B), E ≈ 130 MeV; measured ejectile polarization vs (Q), reaction θ, kinetic energy; deduced target dependence.
doi: 10.1007/BF02159709
1983MI29 Hyperfine Interactions 15/16, 543 (1983) T.Minamisono, Y.Nojiri, B.I.Deutch, K.Asahi Hyperfine Interactions of Polarized β-Emitting 12B and 12N in Si, Ge, and GaP RADIOACTIVITY 12N(β+) [from 10B(3He, n), E=3 MeV]; 12B(β-) [from 11B(d, p), E=2.9 MeV]; measured NMR, polarization vs temperature; deduced hyperfine fields in Si, Ge, GaP. Polarized sources, external magnetic field.
doi: 10.1007/BF02159808
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