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NSR database version of April 11, 2024.

Search: Author = S.Ichikawa

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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
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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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2465.


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
Citations: PlumX Metrics


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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2140. Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1933.


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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics


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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1933.


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
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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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1933.


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
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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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1888. Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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
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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
Citations: PlumX Metrics


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
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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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1813.


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.

Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2172.


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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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.

Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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
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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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1792.


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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1851.


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
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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
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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
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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
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1887.


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
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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
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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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1853.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1659.


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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
Citations: PlumX Metrics


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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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0357.


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