NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = S.Ichikawa Found 104 matches. Showing 1 to 100. [Next]2023TS06 Phys.Rev.Lett. 131, 092502 (2023) K.Tsukada, Y.Abe, A.Enokizono, T.Goke, M.Hara, Y.Honda, T.Hori, S.Ichikawa, Y.Ito, K.Kurita, C.Legris, Y.Maehara, T.Ohnishi, R.Ogawara, T.Suda, T.Tamae, M.Wakasugi, M.Watanabe, H.Wauke First Observation of Electron Scattering from Online-Produced Radioactive Target NUCLEAR REACTIONS 137Cs(e-, e-), E=149.3 MeV; measured reaction products; deduced σ(θ). Comparison with calculations. Self-confining RI ion target (SCRIT), 150-MeV electron microtron.
doi: 10.1103/PhysRevLett.131.092502
2019TS07 Hyperfine Interactions 240, 102 (2019) K.Tsukada, K.Adachi, A.Enokizono, T.Fujita, M.Hara, T.Hori, M.Hori, S.-i.Ichikawa, K.Kasama, K.Kurita, K.Namba, T.Ohnishi, T.Suda, T.Tamae, M.Togasaki, M.Wakasugi, M.Watanabe, K.Yamada Electron scattering from 208Pb and 132Xe ions at the SCRIT facility NUCLEAR REACTIONS 132Xe, 208Pb(E, E), E=151, 201, 301 MeV; measured reaction products, Eβ, Iβ; deduced σ(θ).
doi: 10.1007/s10751-019-1635-2
2018OH01 Acta Phys.Pol. B49, 483 (2018) T.Ohnishi, A.Enokizono, M.Hara, M.Hori, S.Ichikawa, M.Wakasugi, M.Watanabe, K.Adachi, T.Fujita, T.Hori, K.Kurita, M.Togasaki, N.Uchida, K.Yamada, T.Suda, T.Tamae, K.Tsukada The SCRIT Electron Scattering Facility Project at the RIKEN RI Beam Factory
doi: 10.5506/aphyspolb.49.483
2017TS03 Phys.Rev.Lett. 118, 262501 (2017) K.Tsukada, A.Enokizono, T.Ohnishi, K.Adachi, T.Fujita, M.Hara, M.Hori, T.Hori, S.Ichikawa, K.Kurita, K.Matsuda, T.Suda, T.Tamae, M.Togasaki, M.Wakasugi, M.Watanabe, K.Yamada First Elastic Electron Scattering from 132Xe at the SCRIT Facility NUCLEAR REACTIONS 132Xe(E, E), E=151, 201, 301 MeV; measured reaction products, Eβ, Iβ; deduced σ(θ).
doi: 10.1103/PhysRevLett.118.262501
2014SA21 Radiochim.Acta 102, 211 (2014) N.Sato, T.K.Sato, M.Asai, A.Toyoshima, K.Tsukada, Z.J.Li, K.Nishio, Y.Nagame, M.Schadel, H.Haba, S.Ichikawa, H.Kikunaga Production of 256Lr in the 249, 250, 251Cf + 11B, 243Am + 18O, and 248Cm + 14N reactions NUCLEAR REACTIONS 249,250,251Cf(11B, xn)256Lr, E=65.1-76.4 MeV; 243Am(18O, 5n), E=106.9-112.4 MeV; 248Cm(14N, 6n), E=101.5 MeV; measured reaction products, Eα, Iα; deduced σ, T1/2. Comparison with available data.
doi: 10.1515/ract-2014-2142
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
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
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
2008OS02 Nucl.Instrum.Methods Phys.Res. B266, 4394 (2008) A.Osa, S.-i.Ichikawa, M.Matsuda, T.K.Sato, S.-C.Jeong Ion source development for the on-line isotope separator at JAEA NUCLEAR REACTIONS 238U(p, F)163Eu/164Eu/165Eu/166Eu, E=36 MeV; measured separation yields, Eγ, Iγ; deduced T1/2. A forced electron beam induced arc discharge (FEBIAD-B2) type ion source.
doi: 10.1016/j.nimb.2008.05.063
2007HA57 Eur.Phys.J. A 34, 363 (2007) H.Hayashi, Y.Akita, O.Suematsu, M.Shibata, M.Asai, T.K.Sato, S.Ichikawa, I.Nishinaka, Y.Nagame, A.Osa, K.Tsukada, T.Ishii, Y.Kojima, A.Taniguchi Qβ measurements of 158, 159Pm, 159, 161Sm, 160-165Eu, 163Gd and 166Tb using a total absorption BGO detector RADIOACTIVITY 158,159Pm, 159,161Sm, 160,161,162,163,164,165Eu, 163Gd, 166Tb(β-) [from 238U(p, F), E=24 MeV and subsequent decay]; measured Eγ, Iγ, Eβ, Iβ; deduced Qβ, mass excess and two-neutron separation energies. Mass separator.
doi: 10.1140/epja/i2006-10522-9
2007IS09 Phys.Rev. C 76, 011303 (2007) T.Ishii, H.Makii, M.Asai, H.Koura, S.Shigematsu, K.Tsukada, A.Toyoshima, M.Matsuda, A.Makishima, J.Kaneko, H.Toume, I.Hossain, T.Shizuma, S.Ichikawa, T.Kohno, M.Ogawa Ground-state bands of neutron-rich 236Th and 242U nuclei and implication of spherical shell closure at N = 164 NUCLEAR REACTIONS 238U(18O, 20Ne), E=200 MeV; 244Pu(16O, 20Ne), E=162 MeV; measured Eγ, Iγ, (particle)γ-coinc. 236Th, 242U deduced levels, J, π.
doi: 10.1103/PhysRevC.76.011303
2007IS11 Phys.Atomic Nuclei 70, 1457 (2007) T.Ishii, S.Shigematsu, H.Makii, M.Asai, K.Tsukada, A.Toyoshima, M.Matsuda, A.Makishima, T.Shizuma, J.Kaneko, I.Hossain, H.Toume, M.Ohara, S.Ichikawa, T.Kohno, M.Ogawa In-beam γ-ray study of the neutron-rich nuclei 240U, 246Pu, and 250Cm produced by the (18O, 16O) reaction NUCLEAR REACTIONS U(18O, 16O)240U, E=200 MeV; 244Pu(18O, 16O)246Pu, E=200 MeV; 248Cm(18O, 16O), e=200 meV; measured Eγ, Iγ, (particle)γ-coinc. 240U, 246Pu, 250Cm deduced levels, J, π, moments of inertia.
doi: 10.1134/S1063778807080224
2007MA82 Phys.Rev. C 76, 061301 (2007) H.Makii, T.Ishii, M.Asai, K.Tsukada, A.Toyoshima, M.Matsuda, A.Makishima, J.Kaneko, H.Toume, S.Ichikawa, S.Shigematsu, T.Kohno, M.Ogawa Z dependence of the N = 152 deformed shell gap: In-beam γ-ray spectroscopy of neutron-rich 245, 246Pu NUCLEAR REACTIONS 244Pu(18O, 17O), (18O, 16O), E=162 MeV; measured Eγ, Iγ, γγ-coin, half-lives. 245,246Pu; deduced levels, J, π, configurations. Compared with experimental and calculated values for the first 2+ level energy in 232,234,236,238,240,242U, 234,236,238,240,242,244,248Pu, 240,242,244,246,248,250Cm, 244,246,248,250,252,254Cf, 250,252,254,256Fm, 248,250,252,254,256,258No. 247Cm, 249Cf, 251Fm, 253No; systematics.
doi: 10.1103/PhysRevC.76.061301
2006AS03 Phys.Rev. C 73, 067301 (2006) M.Asai, K.Tsukada, S.Ichikawa, M.Sakama, H.Haba, I.Nishinaka, Y.Nagame, S.Goto, Y.Kojima, Y.Oura, M.Shibata α decay of 238Cm and the new isotope 237Cm NUCLEAR REACTIONS 237Np(6Li, X), E=52-59 MeV; measured delayed Eα, Iα; deduced evidence for 236,238Pu, 237Am, 237,238Cm. Mass separator. RADIOACTIVITY 238Cm(α) [from 237Np(6Li, 5n)]; measured Eα, T1/2. 234Pu deduced 2+ excited state energy. Systematics of 2+ levels discussed.
doi: 10.1103/PhysRevC.73.067301
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
2006IS07 J.Phys.Soc.Jpn. 75, 043201 (2006) T.Ishii, S.Shigematsu, H.Makii, M.Asai, K.Tsukada, A.Toyoshima, M.Matsuda, A.Makishima, T.Shizuma, J.Kaneko, I.Hossain, H.Toume, M.Ohara, S.Ichikawa, T.Kohno, M.Ogawa Ground-State Band of the Neutron-Rich Transuranium Nucleus 250Cm154 NUCLEAR REACTIONS 248Cm(18O, 16O), E=162 MeV; measured Eγ, Iγ, (particle)γ-coin. 250Cm deduced levels, J, π.
doi: 10.1143/JPSJ.75.043201
2005AS01 Eur.Phys.J. A 23, 395 (2005) M.Asai, M.Sakama, K.Tsukada, S.Ichikawa, H.Haba, I.Nishinaka, Y.Nagame, S.Goto, Y.Kojima, Y.Oura, H.Nakahara, M.Shibata, K.Kawade Proton-neutron configurations in 236g, mAm and its EC-decay daughter 236Pu RADIOACTIVITY 236,236mAm(EC) [from 235U(6Li, 5n)]; measured Eγ, Iγ, γγ-, (X-ray)γ-coin, T1/2; deduced log ft. 236Pu deduced levels, J, π, configurations, β-feeding intensities, B(E1), B(M1). 236Am deduced isomeric state J, π, configuration.
doi: 10.1140/epja/i2004-10096-6
2005AS05 Phys.Rev.Lett. 95, 102502 (2005) M.Asai, K.Tsukada, M.Sakama, S.Ichikawa, T.Ishii, Y.Nagame, I.Nishinaka, K.Akiyama, A.Osa, Y.Oura, K.Sueki, M.Shibata Experimental Identification of Spin-Parities and Single-Particle Configurations in 257No and Its α-Decay Daughter 253Fm RADIOACTIVITY 257No(α) [from 248Cm(13C, 4n)]; measured Eγ, Eα, E(ce), αγ-, (ce)α-coin; deduced branching ratios. 253Fm deduced levels, J, π, ICC, configurations. 257No deduced ground-state J, π, configuration.
doi: 10.1103/PhysRevLett.95.102502
2005IC02 Phys.Rev. C 71, 067302 (2005) S.Ichikawa, M.Asai, K.Tsukada, H.Haba, Y.Nagame, M.Shibata, M.Sakama, Y.Kojima β-decay half-lives of new neutron-rich rare-earth isotopes 159Pm, 162Sm, and 166Gd RADIOACTIVITY 159Pm, 162Sm, 166Gd, 166Tb(β-) [from 238U(p, F)]; measured Eγ, Iγ, βγ-, γγ-coin, T1/2. 166Tb deduced levels, β-feeding intensities.
doi: 10.1103/PhysRevC.71.067302
2005II01 Eur.Phys.J. A 23, 33 (2005) H.Iimura, M.Asai, S.Ichikawa, J.Katakura, M.Magara, A.Osa, M.Oshima, N.Shinohara, H.Yamamoto Levels in 127La fed by the 127Ce beta-decay RADIOACTIVITY 127Ce(β+), (EC) [from Mo(35Cl, xnp)]; measured Eγ, Iγ, E(ce), I(ce), βγ-, γγ-coin, T1/2. 127La deduced levels, J, π, T1/2, configurations. Comparison with Nilsson model predictions.
doi: 10.1140/epja/i2004-10067-y
2005IS07 Phys.Rev. C 72, 021301 (2005) T.Ishii, S.Shigematsu, M.Asai, A.Makishima, M.Matsuda, J.Kaneko, I.Hossain, S.Ichikawa, T.Kohno, M.Ogawa In-beam γ-ray spectroscopy of 240U using the (18O, 16O) reaction NUCLEAR REACTIONS 238U(18O, 16O), E=200 MeV; measured Eγ, Iγ, (particle)γ-coin, γ-ray anisotropy. 240U deduced levels, J, π, rotational bands, octupole correlations.
doi: 10.1103/PhysRevC.72.021301
2005NA46 Radiochim.Acta 93, 519 (2005) Y.Nagame, K.Tsukada, M.Asai, A.Toyoshima, K.Akiyama, Y.Ishii, T.Kaneko-Sato, M.Hirata, I.Nishinaka, S.Ichikawa, H.Haba, S.Enomoto, K.Matsuo, D.Saika, Y.Kitamoto, H.Hasegawa, Y.Tani, W.Sato, A.Shinohara, M.Ito, J.Saito, S.Goto, H.Kudo, H.Kikunaga, N.Kinoshita, A.Yokoyama, K.Sueki, Y.Oura, H.Nakahara, M.Sakama, M.Schadel, W.Bruchle, J.V.Kratz Chemical studies on rutherfordium (Rf) at JAERI NUCLEAR REACTIONS 248Cm(18O, 5n), E ≈ 90-100 MeV; measured excitation function. Chemical properties of rutherfordium studied.
doi: 10.1524/ract.2005.93.9-10.519
2004AS12 Eur.Phys.J. A 22, 411 (2004) M.Asai, M.Sakama, K.Tsukada, S.Ichikawa, H.Haba, I.Nishinaka, Y.Nagame, S.Goto, Y.Kojima, Y.Oura, H.Nakahara, M.Shibata, K.Kawade EC and α decays of 235Am RADIOACTIVITY 235Am(EC), (α) [from 233U(6Li, 4n)]; measured Eγ, Iγ, Eα, X-ray spectra, γγ-, αγ-coin; deduced log ft, Qα. 235Am deduced ground-state J, π. 235Pu deduced levels, J, π, ICC, β-feeding intensities. 231Np deduced level energy. Level systematics in neighboring nuclides discussed.
doi: 10.1140/epja/i2004-10044-6
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
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
2004MI17 Nucl.Instrum.Methods Phys.Res. A523, 96 (2004) H.Miyahara, K.Katoh, N.Marnada, K.Ikeda, K.Fujiki, I.Nishinaka, K.Tsukada, Y.Nagame, M.Asai, S.-I.Ichikawa, H.Haba Emission probability measurement of principal γ-rays of 147Eu RADIOACTIVITY 147Eu(β+), (EC) [from 147Sm(p, n)]; measured Eγ, Iγ, βγ-coin; deduced γ-ray emission probabilities, electron capture branching ratio. 147Sm levels deduced feeding intensities.
doi: 10.1016/j.nima.2003.12.029
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
2004MI43 Nucl.Instrum.Methods Phys.Res. A533, 404 (2004) H.Miyahara, K.Katoh, K.Ikeda, K.Fujiki, I.Nishinaka, K.Tsukada, Y.Nagame, M.Asai, S.Ichikawa, H.Haba Gamma-ray emission probability measurement of 149Eu RADIOACTIVITY 149Eu(EC) [from 149Sm(p, n)]; measured Eγ, Iγ; deduced branching ratios, emission probabilities. 149Sm deduced transition intensities, internal conversion probabilities.
doi: 10.1016/j.nima.2004.06.171
2004NA10 Nucl.Phys. A734, 124 (2004) Y.Nagame, H.Haba, K.Tsukada, M.Asai, A.Toyoshima, S.Goto, K.Akiyama, T.Kaneko, M.Sakama, M.Hirata, T.Yaita, I.Nishinaka, S.Ichikawa, H.Nakahara Chemical studies of the heaviest elements
doi: 10.1016/j.nuclphysa.2004.01.021
2004SA05 Phys.Rev. C 69, 014308 (2004) M.Sakama, M.Asai, K.Tsukada, S.Ichikawa, I.Nishinaka, Y.Nagame, H.Haba, S.Goto, M.Shibata, K.Kawade, Y.Kojima, Y.Oura, M.Ebihara, H.Nakahara α-decays of neutron-deficient americium isotopes RADIOACTIVITY 233,234,235,236Am, 229Np(α) [from 233,235U(6Li, xn) and subsequent decay]; measured Eα, Iα, T1/2, Eγ, X-ray spectra, αγ-coin; deduced hindrance factors. 233,235,236Am deduced Qα. Mass separator. NUCLEAR REACTIONS 235U(6Li, 5n), 233U(6Li, 4n), (6Li, 5n), (6Li, 6n), E ≈ 34-60 MeV; measured production σ.
doi: 10.1103/PhysRevC.69.014308
2003AS01 Eur.Phys.J. A 16, 17 (2003) M.Asai, K.Tsukada, S.Ichikawa, M.Sakama, H.Haba, Y.Nagame, I.Nishinaka, K.Akiyama, A.Toyoshima, T.Kaneko, Y.Oura, Y.Kojima, M.Shibata Identification of the new isotope 241Bk NUCLEAR REACTIONS 239Pu(6Li, 4n), E=34-42 MeV; measured prompt and delayed Eγ, Iγ, (X-ray)γ-, (recoil)γ-coin; deduced evidence for 241Bk. Isotope separator. RADIOACTIVITY 241Bk(EC) [from 239Pu(6Li, 4n)]; measured Eγ, Iγ, (X-ray)γ-coin, T1/2; deduced ground-state configuration.
doi: 10.1140/epja/i2002-10112-y
2003GO01 J.Radioanal.Nucl.Chem. 255, 73 (2003) S.Goto, D.Kaji, I.Nishinaka, Y.L.Nagame, S.Ichikawa, K.Tsukada, M.Asai, H.Haba, S.Mitsuoka, K.Nishio, M.Sakama, Y.Zhao, K.Sueki, K.Tanikawa, K.Takamiya, H.Kudo, H.Nakahara Characteristics of the asymmetric mass distribution in proton-induced fission of actinides NUCLEAR REACTIONS 232Th, 233,235,238U(p, F), E=13, 15 MeV; measured fission fragment mass distributions; deduced fragment shell structure effects.
doi: 10.1023/A:1022271529219
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
2003NA10 Yad.Fiz. 66, 1167 (2003); Phys.Atomic Nuclei 66, 1131 (2003) Y.Nagame, M.Asai, H.Haba, K.Tsukada, I.Nishinaka, S.Goto, A.Toyoshima, K.Akiyama, M.Sakama, Y.L.Zhao, S.Ichikawa, H.Nakahara Heavy Element Nuclear Chemistry at JAERI NUCLEAR REACTIONS 248Cm(18O, 5n), E=92-99 MeV; 248Cm(19F, 5n), E=106 MeV; measured σ. RADIOACTIVITY 233,234,235,236,236mAm, 237,238Cm(α), (EC) [from 233,235U, 237Np(6Li, xn)]; measured T1/2, Eα, α-branching ratios.
doi: 10.1134/1.1586427
2003NI01 Phys.Rev. C 67, 014604 (2003) K.Nishio, H.Ikezoe, Y.Nagame, S.Mitsuoka, I.Nishinaka, L.Duan, K.Satou, S.Goto, M.Asai, H.Haba, K.Tsukada, N.Shinohara, S.Ichikawa, T.Ohsawa Fragment mass distribution of the 239Pu(d, pf) reaction via the superdeformed β-vibrational resonance NUCLEAR REACTIONS 239Pu(d, pF), E=13.5 MeV; measured Ep, (fragment)p-coin, fission fragment mass yields; deduced mass distribution for fission from superdeformed resonance. 240Pu deduced fission mechanism features.
doi: 10.1103/PhysRevC.67.014604
2002AS08 J.Nucl.Radiochem.Sci. 3, No 1, 187 (2002) M.Asai, M.Sakama, K.Tsukada, S.Ichikawa, H.Haba, I.Nishinaka, Y.Nagame, S.Goto, K.Akiyama, A.Toyoshima, Y.Kojima, Y.Oura, H.Nakahara, M.Shibata, K.Kawade Decay Studies of Neutron-deficient Am, Cm, and Bk Nuclei Using an On-line Isotope Separator RADIOACTIVITY 235,236Am(EC) [from 233,235U(6Li, xn)]; measured prompt and delayed Eγ, Iγ, γγ-coin; deduced log ft. 235,236Pu deduced levels, J, π, configurations. 233,234,235,236Am, 237,238Cm(α) [from 233,235U, 237Np(6Li, xn)]; measured Eα, T1/2. Isotope separator.
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2002GO43 J.Nucl.Radiochem.Sci. 3, No 1, 63 (2002) S.Goto, D.Kaji, I.Nishinaka, Y.Nagame, S.Ichikawa, K.Tsukada, M.Asai, H.Haba, S.Mitsuoka, K.Nishio, M.Sakama, Y.L.Zhao, K.Sueki, M.Tanikawa, K.Takamiya, H.Kudo, H.Nakahara Systematic Studies of Asymmetric Mass Distributions in Proton-induced Fission of Actinides NUCLEAR REACTIONS 239,242,244Pu(p, F), E=13 MeV; measured fission fragment kinetic energy and mass distributions; deduced shell effects.
2002IC04 Nucl.Instrum.Methods Phys.Res. B187, 548 (2002) S.Ichikawa, K.Tsukada, M.Asai, H.Haba, M.Sakama, Y.Kojima, M.Shibata, Y.Nagame, Y.Oura, K.Kawade Performance of the multiple target He/PbI2 aerosol jet system for mass separation of neutron-deficient actinide isotopes NUCLEAR REACTIONS 233U(6Li, 4n)235Am, E=52 MeV; 141Pr(6Li, 4n)143Sm, E=37.2 MeV; 237Np(6Li, 6n)237Cm, E=62 MeV; measured reaction products, Eα, Iα. 233,234,235,236Am; decay products energies and T1/2. The isotope separator on line (JAERI-ISOL) at the JAERI tandem accelerator facility.
doi: 10.1016/s0168-583x(01)01145-4
2002IS03 Eur.Phys.J. A 13, 15 (2002) T.Ishii, M.Asai, A.Makishima, I.Hossain, P.Kleinheinz, M.Ogawa, M.Matsuda, S.Ichikawa Gamma-Ray Spectroscopy of the Neutron-Rich Ni Region Through Heavy-Ion Deep-Inelastic Collisions NUCLEAR REACTIONS 198Pt(76Ge, X), E=8 MeV/nucleon; measured Eγ, (recoil)γ-coin. 68Ni deduced levels, J, π, isomeric states T1/2. 78Zn, 80Ge, 82Se, 84Kr, 86Sr, 88Zr, 90Mo, 92Ru, 94Pd; analyzed levels, transitions populated by isomer decay.
doi: 10.1007/s10050-002-8711-7
2002KA28 J.Nucl.Sci.Technol.(Tokyo) 39, 329 (2002) K.Katoh, H.Miyahara, N.Marnada, N.Ueda, K.Ikeda, K.Fujiki, H.Haba, I.Nishinaka, K.Tsukada, Y.Nagame, M.Asai, S.-I.Ichikawa Production of 147Eu for Gamma-Ray Emission Probability Measurement NUCLEAR REACTIONS 147Sm(p, n), (p, 2n), E=6.7-18.0 MeV; measured production σ. Activation technique, comparison with model predictions.
doi: 10.1080/18811248.2002.9715197
2002NA37 J.Nucl.Radiochem.Sci. 3, No 1, 85 (2002) Y.Nagame, M.Asai, H.Haba, S.Goto, K.Tsukada, I.Nishinaka, K.Nishio, S.Ichikawa, A.Toyoshima, K.Akiyama, H.Nakahara, M.Sakama, M.Schadel, J.V.Kratz, H.W.Gaggeler, A.Turler Production Cross Sections of 261Rf and 262Db in Bombardments of 248Cm with 18O and 19F Ions NUCLEAR REACTIONS 248Cm(18O, 5n), E=91, 94, 99 MeV; 248Cm(19F, 5n), E=106 MeV; measured delayed Eα, αα-coin; deduced production σ.
2002SH01 Phys.Rev. C65, 024305 (2002) M.Shibata, H.Iimura, M.Asai, A.Osa, K.Kawade, S.Ichikawa, M.Oshima, T.Sekine, N.Shinohara Half-Life and Internal Conversion Electron Measurements in Low-Lying Levels of 125, 127Ba RADIOACTIVITY 125,127La(EC) [from Mo(32S, pxn)]; measured Eγ, Iγ, (X-ray)γ-coin, E(ce), I(ce). 125,127La deduced levels T1/2. 125,127Ba deduced levels, J, π, ICC, isomer T1/2.
doi: 10.1103/PhysRevC.65.024305
2002SH16 J.Phys.Soc.Jpn. 71, 1401 (2002) M.Shibata, T.Shindou, A.Taniguchi, Y.Kojima, K.Kawade, S.-I.Ichikawa, Y.Kawase Qβ Determination of Neutron-Rich Isotope 144La with a Total Absorption Detector RADIOACTIVITY 144La(β-) [from 235U(n, F)]; measured Qβ. Total absorption spectrometer, mass separation. Comparison with previous results.
doi: 10.1143/JPSJ.71.1401
2001IS02 Acta Phys.Pol. B32, 739 (2001) T.Ishii, M.Asai, M.Matsuda, S.Ichikawa, A.Makishima, I.Hossain, P.Kleinheinz, M.Ogawa Nano-Second Isomers in Neutron-Rich Ni Region Produced by Deep-Inelastic Collisions NUCLEAR REACTIONS 198Pt(76Ge, X)64Cu/66Cu/67Cu/69Cu/66Ni/68Ni/64Co, E=8 MeV/nucleon; measured Eγ, Iγ, (fragment)γ-coin following deep-inelastic collisions. 68Ni deduced isomer T1/2, configuration. Other reactions discussed.
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2001NA30 Acta Phys.Hung.N.S. 13, 121 (2001) Y.Nagame, Y.L.Zhao, I.Nishinaka, S.Goto, M.Tanikawa, K.Tsukada, M.Asai, H.Haba, M.Sakama, S.Ichikawa, K.Sueki, H.Nakahara Symmetric and Asymmetric Scission Properties
doi: 10.1556/APH.13.2001.1-3.13
2001NA46 Radiochim.Acta 89, 681 (2001) Y.Nagame, Y.L.Zhao, I.Nishinaka, S.Goto, D.Kaji, M.Tanikawa, K.Tsukada, M.Asai, H.Haba, M.Sakama, S.Ichikawa, K.Sueki, H.Kudo, H.Nakahara Characteristics of Two Fission Modes NUCLEAR REACTIONS 232Th, 238U, 244Pu, 248Cm(p, F), E=11-16 MeV; measured fission fragments total kinetic energies, mass yield distributions; deduced two fission modes, deformation effects.
2000AS05 Phys.Rev. C62, 054313 (2000) M.Asai, T.Ishii, A.Makishima, I.Hossain, M.Ogawa, S.Ichikawa Nanosecond Isomers in Neutron-Rich 67Cu and 64Co and a Fast E3 Transition in 67Cu NUCLEAR REACTIONS 198Pt(76Ge, X), E=635 MeV; measured Eγ, Iγ(t), γγ-, (projectile-like fragment)γ-coin, angular correlations. 67Cu, 64Co deduced levels, J, π, configurations, B(M1), B(E3), isomers T1/2. Particle-octupole vibration coupling.
doi: 10.1103/PhysRevC.62.054313
2000IS01 Phys.Rev.Lett. 84, 39 (2000) T.Ishii, M.Asai, A.Makishima, I.Hossain, M.Ogawa, J.Hasegawa, M.Matsuda, S.Ichikawa Core-Excited States in the Doubly Magic 68Ni and Its Neighbor 69Cu NUCLEAR REACTIONS 198Pt(70Zn, X), E=8 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γ-coin. RADIOACTIVITY 68Ni, 69Cu(IT) [from 198Pt(70Zn, X)]; measured Eγ, Iγ(t), γγ-coin. 68Ni, 69Cu deduced levels, J, π, configurations, isomeric states T1/2.
doi: 10.1103/PhysRevLett.84.39
2000SA52 Eur.Phys.J. A 9, 303 (2000) M.Sakama, K.Tsukada, M.Asai, S.Ichikawa, H.Haba, S.Goto, Y.Oura, I.Nishinaka, Y.Nagame, M.Shibata, Y.Kojima, K.Kawade, M.Ebihara, H.Nakahara New Isotope 233Am RADIOACTIVITY 233Am, 229Np(α), (EC) [from 233U(6Li, X), E=63 MeV]; measured Eα, T1/2, α-branching ratio, αα(t), (x-ray)α-coin following mass separation. Comparison with results of nearby isotopes, ISOL technique. NUCLEAR REACTIONS 233U(6Li, X), E=63 MeV; measured α spectra, αα-coin following compound nucleus decay; deduced evidence for 233Am.
doi: 10.1007/s100500070013
2000SH40 Radiochim.Acta 88, 1 (2000) N.Shinohara, K.Tsukada, S.Ichikawa, M.Magara, Y.Hatsukawa Isomeric Yield Ratios of 134I and 136I in the Proton-, 12C- and 19F-Induced Fission of 235U, 237Np and 238U NUCLEAR REACTIONS 235,238U, 237Np(p, F)134I/136I, E=14 MeV; 235,238U, 237Np(12C, F)134I/136I, E=86 MeV; 235,238U, 237Np(19F, F)134I/136I, E=109 MeV; measured delayed Eγ, Iγ from chemically separated fission fragments; deduced isomer yield ratios, fission fragments angular momenta.
doi: 10.1524/ract.2000.88.1.001
1999AS03 Phys.Rev. C59, 3060 (1999) M.Asai, S.Ichikawa, K.Tsukada, M.Sakama, M.Shibata, Y.Kojima, A.Osa, I.Nishinaka, Y.Nagame, K.Kawade, T.Tachibana β-Decay Half-Lives of New Neutron-Rich Isotopes 167, 168Tb and Levels in 167, 168Dy RADIOACTIVITY 167,168Tb(β-) [from 238U(p, F)]; measured Eγ, Iγ, βγ-coin, T1/2. 167,168Dy deduced levels, J, π, configurations, rotational band features. Comparisons with neighboring nuclides.
doi: 10.1103/PhysRevC.59.3060
1999IS02 Phys.Rev. C59, 1794 (1999) Y.Ishida, H.Iimura, S.Ichikawa, T.Horiguchi Mean-Square Nuclear Charge Radius of Radioactive 144Ce by Laser Spectroscopy NUCLEAR MOMENTS 136,138,140,142,144Ce; measured isotope shifts; deduced mean square charge radii, quadrupole deformation. Collinear laser-ion-beam spectroscopy.
doi: 10.1103/PhysRevC.59.1794
1999MA21 Phys.Rev. C59, R2331 (1999) A.Makishima, M.Asai, T.Ishii, I.Hossain, M.Ogawa, S.Ichikawa, M.Ishii (νg9/2-2)8+ Isomers in 82Se48 and 80Ge48 Populated by Deep-Inelastic Collisions NUCLEAR REACTIONS 198Pt(82Se, X)80mGe/82mSe, E=743 MeV; measured Eγ, Iγ(t), γγ-, (fragment)γ-coin. 80Ge, 82Se deduced levels, J, π, isomers T1/2, B(E2). Deep-inelastic collisions, enriched target, isomer-scope. Comparison with heavier isotones.
doi: 10.1103/PhysRevC.59.R2331
1999NA12 J.Radioanal.Nucl.Chem. 239, 97 (1999) Y.Nagame, I.Nishinaka, Y.L.Zhao, K.Tsukada, S.Ichikawa, Z.Qin, H.Ikezoe, Y.Oura, K.Sueki, H.Nakahara, M.Tanikawa, T.Ohtsuki, S.Goto, H.Kudo, Y.Hamajima, K.Takamiya, K.Nakanishi, H.Baba Two Deformation Paths in Fission of Light Actinides NUCLEAR REACTIONS 232Th, 238U(p, F), E=10-20 MeV; measured fission fragments angular, mass distributions; deduced two fission modes.
doi: 10.1007/BF02349537
1999QI02 Radiochim.Acta 84, 115 (1999) Z.Qin, K.Tsukada, N.Shinohara, Y.L.Zhao, I.Nishinaka, Y.Hatsukawa, S.Ichikawa, K.Hata, Y.Nagame Mass Yield Distributions in Proton-Induced Fission of 248Cm NUCLEAR REACTIONS 248Cm(p, F), E=10.5-20.0 MeV; measured fission fragments mass yield distributions, isotopic production σ. Radiochemical method. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1852. 1999SE04 J.Radioanal.Nucl.Chem. 239, 127 (1999) T.Sekine, S.Ichikawa, A.Osa, M.Koizumi, H.Iimura, K.Tsukada, I.Nishinaka, Y.Hatsukawa, Y.Nagame, M.Asai, Y.Kojima, T.Hirose, M.Shibata, H.Yamamoto, K.Kawade Recent Studies of Unstable Nuclei Far from Stability with the On-Line Isotope Separators of JAERI
doi: 10.1007/BF02349543
1999ZH07 J.Radioanal.Nucl.Chem. 239, 113 (1999) Y.L.Zhao, T.Ohtsuki, Y.Nagame, I.Nishinaka, K.Tsukada, S.Ichikawa, H.Ikezoe, Y.Hatuskawa, K.Hata, M.Tanikawa, Z.Qin, K.Sueki, Y.Oura, H.Kudo, H.Nakahara Characteristics of Binary Scission Configurations in Proton-Induced Fission of Actinides NUCLEAR REACTIONS 232Th, 238U(p, F), E=13 MeV; 244Pu(p, F), E=15 MeV; measured fission fragments velocity, mass distributions; deduced elongation properties of scission configurations.
doi: 10.1007/BF02349540
1999ZH10 Phys.Rev.Lett. 82, 3408 (1999) Y.L.Zhao, I.Nishinaka, Y.Nagame, M.Tanikawa, K.Tsukada, S.Ichikawa, K.Sueki, Y.Oura, H.Ikezoe, S.Mitsuoka, H.Kudo, T.Ohtsuki, H.Nakahara Symmetric and Asymmetric Scission Properties: Identical shape elongations of fissioning nuclei NUCLEAR STRUCTURE 227Ac, 233Pa, 239Np, 245Am, 249Bk, 252Cf, 252No, 259Lr, 262Rf; analyzed fission process deformation data; deduced three types of elongation.
doi: 10.1103/PhysRevLett.82.3408
1998HO15 Phys.Rev. C58, 1318 (1998) I.Hossain, T.Ishii, A.Makishima, M.Asai, S.Ichikawa, M.Itoh, M.Ishii, P.Kleinheinz, M.Ogawa Lifetime Measurement of the πg9/2 Isomer in 79As NUCLEAR REACTIONS 198Pt(76Ge, X), E=550, 635 MeV; 198Pt(74Ge, X), E=625 MeV; measured Eγ, Iγ(t), (projectile-like fragment)γ-coin; deduced isotopic yields. 79As deduced isomeric level T1/2, B(M2), configuration. Systematics of B(M2) values in neighboring isotopes discussed.
doi: 10.1103/PhysRevC.58.1318
1998IC02 Phys.Rev. C58, 1329 (1998) S.Ichikawa, K.Tsukada, I.Nishinaka, Y.Hatsukawa, H.Iimura, K.Hata, Y.Nagame, M.Asai, Y.Kojima, T.Hirose, M.Shibata, K.Kawade, Y.Oura Identification of 161Sm and 165Gd NUCLEAR REACTIONS 238U(p, F), E=20 MeV; measured βγ-, γγ-coin following fission fragment decay; deduced evidence for 161Sm, 165Gd. Online isotope separator. RADIOACTIVITY 161Sm, 165Gd(β-); measured T1/2.
doi: 10.1103/PhysRevC.58.1329
1998IS11 Phys.Rev.Lett. 81, 4100 (1998) T.Ishii, M.Asai, I.Hossain, P.Kleinheinz, M.Ogawa, A.Makishima, S.Ichikawa, M.Itoh, M.Ishii, J.Blomqvist The (νg9/22πp3/2)19/2- Isomer in 71Cu and the Prediction of Its E2 Decay from the Shell Model NUCLEAR REACTIONS 198Pt(76Ge, X), E=635 MeV; measured Eγ, Iγ(t), γγ-, (projectile-like fragment)γ-coin, fragment spectra; deduced evidence for 71Cu. 71Cu deduced levels, J, π, isomeric state T1/2, configuration. Deep inelastic collisions. Shell model calculations.
doi: 10.1103/PhysRevLett.81.4100
1998TS02 Phys.Rev. C57, 2057 (1998) K.Tsukada, S.Ichikawa, Y.Hatsukawa, I.Nishinaka, K.Hata, Y.Nagame, Y.Oura, T.Ohyama, K.Sueki, H.Nakahara, M.Asai, Y.Kojima, T.Hirose, H.Yamamoto, K.Kawade Half-Life of the Electron Capture Decaying Isotope 236Am RADIOACTIVITY 236Am(EC) [from 235U(6Li, 5n)]; measured X-ray spectra, T1/2; deduced log ft. 236Am deduced ground-state J, π. NUCLEAR REACTIONS 235U(6Li, 5n), E=46-50 MeV; measured production σ. On-line isotope separator.
doi: 10.1103/PhysRevC.57.2057
1998TS08 Eur.Phys.J. A 2, 153 (1998) K.Tsukada, I.Nishinaka, N.Shinohara, S.Ichikawa, Y.Nagame, K.Sueki, H.Nakahara, T.Ohtsuki, M.Tanikawa Fragment Mass Dependence of Angular Anisotropy in 15 MeV Proton-Induced Fission of 244Pu NUCLEAR REACTIONS 244Pu(p, F), E=15 MeV; measured fission fragments angular anisotropy vs mass; deduced no special saddle point state.
doi: 10.1007/s100500050104
1997IS06 J.Phys.(London) B30, 2569 (1997) Y.Ishida, H.Iimura, S.Ichikawa, T.Horiguchi Isotope Shifts of Optical Transitions in Ce II by Collinear Laser-Ion-Beam Spectroscopy NUCLEAR MOMENTS 136,138,140,142Ce; measured optical isotope shifts; deduced nuclear charge radius differences, atomic level configurations. ATOMIC PHYSICS 136,138,140,142Ce; measured optical isotope shifts; deduced nuclear charge radius differences, atomic level configurations.
doi: 10.1088/0953-4075/30/11/009
1997NA29 Radiochim.Acta 78, 3 (1997) Y.Nagame, I.Nishinaka, K.Tsukada, S.Ichikawa, H.Ikezoe, Y.L.Zhao, Y.Oura, K.Sueki, H.Nakahara, M.Tanikawa, T.Ohtsuki, K.Takamiya, K.Nakanishi, H.Kudo, Y.Hamajima, Y.H.Chung Bimodal Nature of Low Energy Fission of Light Actinides NUCLEAR REACTIONS 232Th(p, F), E=12.0, 13.2, 14.7 MeV; 238U(p, F), E=12.9, 16.2 MeV; measured fission fragments mass, energy distributions; deduced two fission deformation paths. Other fission data discussed. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0829. 1997TS07 Radiochim.Acta 76, 173 (1997) K.Tsukada, N.Shinohara, I.Nishinaka, S.Ichikawa, Y.Nagame, K.Sueki, T.Kobayashi, H.Nakahara, M.Tanikawa, T.Ohtsuki Highly Asymmetric Mass Division in Low-Energy Proton-Induced Fission of 232Th and 244Pu NUCLEAR REACTIONS, ICPND 232Th, 244Pu(p, F), E=9-16 MeV; measured fission product yields; deduced possible mass distribution shell effects. Automatic rapid ion-exchange separation system. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1850. 1996AS05 J.Phys.Soc.Jpn. 65, 1135 (1996) M.Asai, K.Tsukada, S.Ichikawa, A.Osa, Y.Kojima, M.Shibata, H.Yamamoto, K.Kawade, N.Shinohara, Y.Nagame, H.Iimura, Y.Hatsukawa, I.Nishinaka Identification of a New Isotope 166Tb RADIOACTIVITY 166Tb(β-) [from 238U(p, F)]; measured Eγ, Iγ, βγ-, γγ-coin, T1/2; deduced log ft. 166Dy deduced levels, β-feeding intensity. Mass separator. NUCLEAR REACTIONS 238U(p, F), E=16 MeV; measured (fragment)γ-coin; deduced evidence for 166Tb. Mass separator.
doi: 10.1143/JPSJ.65.1135
1996IC01 Nucl.Instrum.Methods Phys.Res. A374, 330 (1996) S.Ichikawa, M.Asai, K.Tsukada, A.Osa, T.Ikuta, N.Shinohara, H.Iimura, Y.Nagame, Y.Hatsukawa, I.Nishinaka, K.Kawade, H.Yamamoto, M.Shibata, Y.Kojima Mass Separation of Neutron-Rich Isotopes using a Gas-Jet Coupled Thermal Ion Source NUCLEAR REACTIONS 238U(p, F), E=15 MeV; measured Eγ, Iγ following fission fragment decay, fragment yield vs mass number; deduced evidence for 166Tb; deduced production σ, reaction yields for 140,144Cs, 144Ba, 144,148La, 148Pr, 152Nd, 156Pm, 160Eu. Isotope separator plus gas-jet coupled thermal ion source. RADIOACTIVITY 166Tb(β-) [from 238U(p, F), E=15 MeV]; measured Eγ, Iγ, T1/2. Monoxide ions from gas-jet coupled thermal ion source used in conjunction with isotope separator.
doi: 10.1016/0168-9002(96)00086-1
1996MA72 Radiochim.Acta 72, 39 (1996) M.Magara, N.Shinohara, Y.Hatsukawa, K.Tsukada, H.Iimura, S.Usuda, S.-I.Ichikawa, T.Suzuki, Y.Nagame, Y.Kobayashi, M.Oshima, T.Horiguchi Decay Properties of 245Cf RADIOACTIVITY 244,246Cf(α); 245Cf(α), (EC), (β+); 240,242Cm(α) [from 238U(12C, X), E=81, 87 MeV]; measured Eα, Iα, αγ-, γγ-coin, E X-ray, I X-ray. 245Cf deduced α-decay T1/2, branching ratio. 241Cm deduced levels, J, π, Nilsson assignments. NUCLEAR REACTIONS 238U(12C, X), (12C, 5n), E=81, 87 MeV; measured Eα, Iα, αγ-, γγ-coin, E X-ray, I X-ray. 245Cf deduced α-decay T1/2, branching ratio. 241Cm deduced levels, J, π, Nilsson assignments.
1996NA22 Phys.Lett. 387B, 26 (1996) Y.Nagame, I.Nishinaka, K.Tsukada, Y.Oura, S.Ichikawa, H.Ikezoe, Y.L.Zhao, K.Sueki, H.Nakahara, M.Tanikawa, T.Ohtsuki, H.Kudo, Y.Hamajima, K.Takamiya, Y.H.Chung Two Deformation Paths in Proton-Induced Fission of 232Th NUCLEAR REACTIONS, ICPND 232Th(p, F), E=12-14.7 MeV; measured fission yields, fragment total kinetic energy distributions; deduced two deformation paths, two kinds of threshold energies, scission configurations.
doi: 10.1016/0370-2693(96)01027-1
1996OS04 J.Phys.Soc.Jpn. 65, 928 (1996) A.Osa, T.Ikuta, K.Kawade, H.Yamamoto, S.-I.Ichikawa Beta-Decay Energies of 121,123,125Ba and 121-124,126Cs RADIOACTIVITY 121,123Ba(β+EC) [from 92Mo(35Cl, X), E=5.3 MeV/nucleon]; 125Ba, 121,122,123,124,126Cs(β+EC) [from (nat)Mo(32S, X), E=5.2 MeV/nucleon]; measured Q(EC), Eγ, γγ-coin, hyperfine Ge, β+-ray detector.
1995OS03 Nucl.Phys. A588, 185c (1995) A.Osa, M.Asai, M.Koizumi, T.Sekine, S.Ichikawa, Y.Kojima, H.Yamamoto, K.Kawade β+ Decay of Unstable Presodymium Isotopes: 127Pr, 126Pr and the New Isotope 125Pr RADIOACTIVITY 127Pr(β+) [from 94Mo(36Ar, X), E=5.4 MeV/nucleon]; 125,126Pr(β+) [from 92Mo(36Ar, X), E=5.4 MeV/nucleon]; measured Eγ, Iγ, γγ-coin. 125Pr deduced T1/2. 127,125,126Ce deduced levels, Iγ.
doi: 10.1016/0375-9474(95)00137-P
1995OS05 Phys.Rev. C52, 3492 (1995); Erratum Phys.Rev. C55, 1604 (1997) M.Oshima, T.Morikawa, Y.Hatsukawa, S.Ichikawa, N.Shinohara, M.Matsuo, H.Kusakari, N.Kobayashi, M.Sugawara, T.Inamura Two-Phonon γ-Vibrational State in 168Er NUCLEAR REACTIONS 168Er(74Ge, 74Ge'), E=295 MeV; measured Iγ, Eγ, pγ(θ) following Coulomb excitation. 168Er levels deduced B(E2), configuration.
doi: 10.1103/PhysRevC.52.3492
1995SH39 Radiochim.Acta 68, 21 (1995) N.Shinohara, K.Tsukada, S.Ichikawa, M.Magara, T.Ohtsuki Cumulative Yields of Short-Lived Ru Isotopes in the 12C- and 19F-Induced Fission of 233U, 235U, 238U and 237Np NUCLEAR REACTIONS, ICPND 238,233,235U, 237Np(12C, F)105Ru/107Ru/108Ru/109Ru/110Ru/111Ru, E=86 MeV; 238,233,235U(19F, F)105Ru/107Ru/108Ru/109Ru/110Ru/111Ru, E=109 MeV; measured isotopic cumulative yields following fission. Radiochemical separation, γ-spectrometry. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2034. 1994II01 Phys.Rev. C50, 661 (1994) H.Iimura, Y.Nakahara, S.Ichikawa, M.Kubota, T.Horiguchi Nuclear Moments of 143Pr by Laser Spectroscopy RADIOACTIVITY 143Pr(β-) [from 142Ce(n, γ)143Ce(β-decay)]; measured hfs; deduced μ, quadrupole moment. Collinear fast-beam laser spectroscopy. Interacting boson-fermion model.
doi: 10.1103/PhysRevC.50.661
1994SE13 Z.Phys. A349, 143 (1994) T.Sekine, A.Osa, M.Koizumi, S.Ichikawa, M.Asai, H.Yamamoto, K.Kawade Decay of the New Isotope 127Pr NUCLEAR REACTIONS 94Mo(36Ar, 2np), E=4.9 MeV/nucleon; measured Eγ, Iγ, βγ(t), γγ-coin; deduced evidence for 127Pr. RADIOACTIVITY 127Pr(β+), (EC) [from 94Mo(36Ar, 2np), E=4.9 MeV/nucleon]; measured Eγ, Iγ, βγ(t), γγ-coin; deduced T1/2. 127Ce deduced levels.
doi: 10.1007/BF01291172
1994TS06 J.Alloys and Compounds 213/214, 414 (1994) K.Tsukada, N.Shinohara, Y.Nagame, S.Ichikawa, M.Magara, M.Hoshi, K.Sueki, M.Tanikawa, I.Nishinaka, T.Kobayashi, H.Nakahara, T.Ohtsuki Mass yield and angular distribution of rare earth elements produced in proton-induced fission of 244Pu NUCLEAR REACTIONS 244Pu(p, F)115mCd/131mTe/142La/149Nd/156Sm/162Tb, E=10-16 MeV; measured fission fragment production σ. 244Pu(p, F), E=15 MeV; measured fission fragments angular distributions, mass yields.
doi: 10.1016/0925-8388(94)90947-4
1993OS05 Nucl.Phys. A557, 635c (1993) M.Oshima, T.Morikawa, H.Kusakari, N.Kobayashi, M.Sugawara, Y.H.Zhang, A.Ferragut, S.Ichikawa, N.Shinohara, Y.Nagame, M.Shibata, Y.Gono, T.Inamura Double-γ Vibrational States in 168Er and 192Os NUCLEAR REACTIONS 168Er(74Ge, 74Ge'), E=295 MeV; 192Os(58Ni, 58Ni'), E=240 MeV; measured γ(particle)-coin following Coulomb excitation. 168Er, 192Os deduced levels, J, π, B(λ), ratios.
doi: 10.1016/0375-9474(93)90575-I
1993OS06 Nucl.Instrum.Methods Phys.Res. A332, 169 (1993) A.Osa, T.Ikuta, M.Shibata, M.Miyachi, H.Yamamoto, K.Kawade, Y.Kawase, S.Ichikawa Measurement of β+-Ray Maximum Energy with an HPGe Detector RADIOACTIVITY 62Cu, 68Ga(β+), 91Mo(β+); measured maximum Eβ+. 91Mo deduced Q(EC).
doi: 10.1016/0168-9002(93)90755-7
1992IC02 Nucl.Instrum.Methods Phys.Res. B70, 93 (1992) S.-I.Ichikawa, T.Sekine, M.Oshima, H.Iimura, Y.Nakahara Status Report of the JAERI On-Line Isotope Separator NUCLEAR REACTIONS Mo(32S, X), E=4.4 MeV/nucleon; measured γ-spectra for mass 124, 140 nuclei. On-line isotope separator. RADIOACTIVITY 124Cs(β+), (EC); 124Ba(β+), (EC); 124La(β+), (EC) [from Mo(32S, X), E=4.4 MeV/nucleon]; measured Eγ, Iγ. 121,122,123,124,125,126,127La(β+); measured T1/2, βγ-coin. 122,124,126Ba level deduced T1/2, B(λ). On-line isotope separator. NUCLEAR MOMENTS 141Pr; measured hfs. On-line isotope separator.
doi: 10.1016/0168-583X(92)95915-E
1992KU15 Phys.Rev. C46, 1257 (1992); Erratum Phys.Rev. C63, 029901 (2001) H.Kusakari, M.Oshima, A.Uchikura, M.Sugawara, A.Tomotani, S.Ichikawa, H.Iimura, T.Morikawa, T.Inamura, M.Matsuzaki Electromagnetic Transition Probabilities in the Natural-Parity Rotational Bands of 155,157Gd NUCLEAR REACTIONS 155,157Gd(58Ni, 58Ni'γ), E=240 MeV; 155,157Gd(81Br, 81Br'γ), E=305 MeV; measured Eγ, Iγ, γ(θ), γγ(θ), recoil distance Doppler shift, (particle)γ-coin. 155,157Gd levels deduced δ, T1/2, B(M1), B(E2). Enriched target. Cranking model analysis.
doi: 10.1103/PhysRevC.46.1257
1992MO13 Phys.Rev. C46, R6 (1992) T.Morikawa, M.Oshima, T.Sekine, Y.Hatsukawa, S.Ichikawa, H.Iimura, A.Osa, M.Shibata, A.Taniguchi Lifetime Measurement of the First 2+ State in 122,124,126Ba RADIOACTIVITY 122,124,126La(β+) [from 92Mo(35Cl, xnyp)]; measured βγ(t). 122,124,126Ba level deduced T1/2, B(E2). BaF2, plastic scintillators. Neutron-proton interacting boson model.
doi: 10.1103/PhysRevC.46.R6
1992NA18 Hyperfine Interactions 74, 312 (1992) Y.Nakahara, H.Iimura, S.Ichikawa, K.Kotani, M.Wakasugi, T.Horiguchi Measurement of Hyperfine Structure in Pr II by Collinear Laser-Ion-Beam Spectroscopy NUCLEAR MOMENTS 141Pr; measured hfs; deduced hyperfine constants. Collinear laser-ion-beam spectroscopy.
doi: 10.1007/BF02398641
1992OS02 Nucl.Instrum.Methods Phys.Res. A312, 425 (1992) M.Oshima, Y.Gono, T.Murakami, H.Kusakari, M.Sugawara, S.Ichikawa, Y.Hatsukawa, T.Morikawa, B.J.Min Observation of Coulomb Excitation of Unstable Nuclei Utilization of a Secondary Beam NUCLEAR REACTIONS 208Pb(76Kr, 76Kr'), E=237 MeV; measured σ(θ), γ-spectra following Coulomb excitation. 76Kr transition yield. Secondary 76Kr beam from 9Be(70Ge, 3n) reaction.
doi: 10.1016/0168-9002(92)90191-6
1992OS07 Nucl.Instrum.Methods Phys.Res. B70, 551 (1992) A.Osa, T.Ikuta, A.Taniguchi, H.Yamamoto, K.Kawade, S.Ichikawa, Y.Kawase Measurement of β-Ray Maximum Energy with an HPGe Detector by Means of β+-Annihilation Photons Coincidence RADIOACTIVITY 68Ga(β+), (EC) [from 68Ge(EC-decay)]; 126Cs(β+)(EC) [from Mo(32S, X), E=5.1 MeV/nucleon]; measured β+-spectra, endpoint energy, βγ-coin; deduced Q(EC). Hyperpure Ge β-ray detector, two pairs of BaF2 scintillation detectors for annihilation photons.
doi: 10.1016/0168-583X(92)95981-V
1992SH35 Radiochim.Acta 56, 127 (1992) N.Shinohara, S.Ichikawa, S.Baba, K.Tsukada, T.Ohtsuki, J.Alstad Gamma Rays of Short-Lived Ruthenium Nuclides Produced in the Spontaneous Fission of 252Cf RADIOACTIVITY 107,108,109,110,111,112,113Ru(β-) [from 252Cf(SF)]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities. Comparison with available data.
doi: 10.1524/ract.1992.56.3.127
1991II02 J.Phys.Soc.Jpn. 60, 3585 (1991) H.Iimura, M.Shibata, S.-I.Ichikawa, T.Sekine, M.Oshima, N.Shinohara, M.Miyachi, A.Osa, H.Yamamoto, K.Kawade Level Scheme of 123Ba Fed by the 123La Decay RADIOACTIVITY 123La(β+) [from 92Mo(35Cl, 2n2p), E=180 MeV]; measured Eγ, Iγ, γγ-coin, βγ(t). 123Ba deduced levels, J, π, band structure, Nilsson assignments, γ-multipolarity, T1/2. NUCLEAR REACTIONS 92Mo(35Cl, 2n2p), E=180 MeV; measured Eγ, Iγ, γγ-coin, βγ(t).
doi: 10.1143/JPSJ.60.3585
1990II02 J.Phys.Soc.Jpn. 59, 4208 (1990) H.Iimura, Y.Nakahara, S.-I.Ichikawa, K.Kotani, M.Wakasugi, T.Horiguchi Measurement of Hyperfine Structure of the 4f35d5G-4f36p5H in PrII by Collinear Laser-Ion-Beam Spectroscopy NUCLEAR MOMENTS 141Pr; measured hfs; deduced hyperfine constants. Collinear laser-ion-beam spectroscopy.
doi: 10.1143/JPSJ.59.4208
1990NA11 Nucl.Phys. A510, 518 (1990) Y.Nagame, H.Ikezoe, S.Baba, K.Hata, T.Sekine, S.Ichikawa, M.Magara, K.Ideno, A.Yokoyama, Y.Hatsukawa, T.Ohtsuki Statistical Emission of Complex Fragments Produced in the Reaction 37Cl + 68Zn NUCLEAR REACTIONS 68Zn(37Cl, X), E=156, 166, 177 MeV; measured σ(fragment, E, θ), (fragment)(fragment)-coin; deduced mass division characteristics. Statistical model calculation.
doi: 10.1016/0375-9474(90)90064-S
1990TS05 Radiochim.Acta 51, 77 (1990) K.Tsukada, T.Ohtsuki, K.Sueki, Y.Hatsukawa, H.Yoshikawa, K.Endo, H.Nakahara, N.Shinohara, S.Ichikawa, S.Usuda, M.Hoshi Development of a Computer-Controlled On-Line Rapid Ion-Exchange Separation System RADIOACTIVITY 252Cf(SF); measured fission fragment γ-spectra; deduced Sm isotope fractions. Automatic rapid ion-exchange separation system.
1989IC01 Nucl.Instrum.Methods Phys.Res. A274, 259 (1989) S.Ichikawa, T.Sekine, H.Iimura, M.Oshima, N.Takahashi Selective Mass Separation of Light Lanthanoids by Means of Ionization of Their Monoxides RADIOACTIVITY 121La(β+); measured T1/2. Light lanthanoids selective separation, monoxide ionization, on-line separation.
doi: 10.1016/0168-9002(89)90389-6
1989OS04 Phys.Rev. C40, 2084 (1989) M.Oshima, M.Matsuzaki, S.Ichikawa, H.Iimura, H.Kusakari, T.Inamura, A.Hashizume, M.Sugawara Electromagnetic Transition Probabilities in the Natural-Parity Rotational Band of 173Yb NUCLEAR REACTIONS 173Yb(58Ni, 58Ni'), E=250 MeV; measured γγ-coin, γ(θ), γγ(θ) following multiple Coulomb excitation. 173Yb deduced levels, J, π, B(λ), rotational bands, T1/2.
doi: 10.1103/PhysRevC.40.2084
1989YO01 Z.Phys. A332, 61 (1989) A.Yokoyama, T.Saito, M.Shoji, H.Baba, S.Baba, K.Hata, T.Sekine, S.Ichikawa Nuclear Transfer in Highly Mass-Asymmetric Reaction Systems between 197Au and Relatively Light Projectiles in the Energy Region below 10 MeV/u I. Target-Like Products NUCLEAR REACTIONS, ICPND 197Au(12C, X), (16O, X), (37Cl, X), (14N, X)199Au/198Au/198mAu/196Au/196mAu/195Au/194Au/193Au/192Au, E ≈ threshold-130 MeV; measured residual production σ(E); deduced reaction mechanism. Activation technique. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1231. 1989YO02 Z.Phys. A332, 71 (1989) A.Yokoyama, T.Saito, H.Baba, K.Hata, Y.Nagame, S.Ichikawa, S.Baba, A.Shinohara, N.Imanishi Nuclear Transfer in Highly Mass-Asymmetric Reaction Systems between 197Au and Relatively Light Projectiles in the Energy Region below 10 MeV/u II. Projectile (16O)-Like Products NUCLEAR REACTIONS 197Au(16O, X), E=6.6, 8.8 MeV/nucleon; measured σ(θ) for X=Li, Be, B, C, N, F; deduced reaction mechanism. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2090. 1988BA57 Z.Phys. A331, 53 (1988) S.Baba, K.Hata, S.Ichikawa, T.Sekine, Y.Nagame, A.Yokoyama, M.Shoji, T.Saito, N.Takahashi, H.Baba, I.Fujiwara Evaporation Residue Formation Competing with the Fission Process in the 197Au + 16O, 12C Reactions and Fission Barriers at a Specified J Window NUCLEAR REACTIONS, ICPND, MECPD 197Au(16O, 3n), (16O, 4n), (16O, 5n), (16O, 6n), (16O, 7n), E(cm) ≈ 70-130 MeV; 197Au(12C, 3n), (12C, 4n), (12C, 5n), (12C, 6n), E(cm) ≈ 55-100 MeV; measured evaporation residue σ(E). 211Fr, 207At deduced fission barrier. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0474. 1988OS01 Phys.Rev. C37, 2578 (1988) M.Oshima, E.Minehara, S.Ichikawa, H.Iimura, T.Inamura, A.Hashizume, H.Kusakari, S.Iwasaki Signature Dependence of M1 and E2 Transition Probabilities for the i13/2 Rotational Band in 161Dy NUCLEAR REACTIONS 161Dy(58Ni, 58Ni'), E=250 MeV; measured E(γ), I(γ), γ(θ), γγ(θ), recoil distance Doppler shift, particle (γ)-coin. 161Dy levels deduced δ, T1/2, B(λ). Enriched target. Microscopic model, angular momentum projection.
doi: 10.1103/PhysRevC.37.2578
1988SE08 Z.Phys. A331, 105 (1988) T.Sekine, S.Ichikawa, M.Oshima, H.Iimura, Y.Nagame, K.Hata, N.Takahashi, A.Yokoyama Identification of a New Isotope of 121La by Means of Element-Selective Mass Separation RADIOACTIVITY 121La(β+), (EC) [from 92Mo(32S, X), E=4.7 MeV/nucleon]; measured βγ-coin, γγ(X-ray)-coin; deduced T1/2. 121Ba deduced transitions. NUCLEAR REACTIONS 92Mo(32S, xnp), E=4.7 MeV/nucleon; measured γγ(X-ray)-, βγ-coin; deduced evidence for 121La.
1987SE08 Appl.Radiat.Isot. 38, 513 (1987) T.Sekine, S.-I.Ichikawa, S.Baba Triple Neutron Capture of 153Eu in a Reactor: The cross sections of 154Eu and 155Eu NUCLEAR STRUCTURE 154,155,156Eu; calculated thermal neutron capture production σ, resonance intergrals. RADIOACTIVITY 154Eu(β-), (EC); 156,155Eu(β-) [from 153Eu+nγ, +2nγ, +3nγ reactions]; measured Eγ, Iγ.
doi: 10.1016/0883-2889(87)90197-3
1986SH26 Phys.Rev. C34, 909 (1986) N.Shinohara, S.Usuda, S.Ichikawa, T.Suzuki, M.Magara, H.Okashita, H.Yoshikawa, T.Horiguchi, Y.Iwata, S.Shibata, I.Fujiwara Actinides Produced by 12C + 242Pu and 16O + 238U Reactions NUCLEAR REACTIONS 238U(16O, X)244Cf/245Cf/246Cf/250Fm, E=85-125 MeV; 242Pu(12C, X)244Cf/245Cf/246Cf/250Fm, E=65-95 MeV; 238U(16O, 4n)250Fm, E=92 MeV; 242Pu(12C, 4n)250Fm, E=72 MeV;238U(16O, 4nα)246Cf, E=97 MeV; 238U(16O, 5nα)245Cf, E=105 MeV;242Pu(12C, 4nα)246Cf, E=83 MeV;242Pu(12C, 5nα)245Cf, E=90 MeV;238U(16O, X)242Cm, E=85-125 MeV;242Pu(12C, X)242Am/242Cm/243Cm/244Cm, E = 65-95 MeV; measured residual production σ(E). 254Fm; deduced Coulomb barrier role, α-cluster transfer mechanism. Radiochemical methods. Evaporation code analysis. Comparison with available data. NUCLEAR REACTIONS 238U(16O, F)244Cf/245Cf/246Cf/250Fm/242Cm, E=85-145 MeV; 242Pu(12C, F)244Cf/245Cf/246Cf/250Fm/242Cm, E=60-120 MeV; calculated fission σ(E). ALICE nuclear mode code, comparison with experimental data.
doi: 10.1103/PhysRevC.34.909
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