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NSR database version of April 11, 2024.

Search: Author = A.Shinohara

Found 48 matches.

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2022KA01      Appl.Radiat.Isot. 179, 110006 (2022)

Y.Kasamatsu, M.Nagase, H.Ninomiya, E.Watanabe, Y.Shigekawa, N.Kondo, K.Takamiya, T.Ohtsuki, N.Shiohara, A.Shinohara

Coprecipitation with samarium hydroxide using multitracer produced through neutron-induced fission of 235U toward chemical study of heavy elements

NUCLEAR REACTIONS U(n, F)24Na/91Sr/140Ba/140La/141Ce/143Ce/151Pm/95Zr/97Zr/103Ru/131I/133I, E thermal; measured reaction products, Eγ, Iγ. 239Np; deduced coprecipitation yields. The research reactor in Institute for Integrated Radiation and Nuclear Science, Kyoto University (KURNS).

doi: 10.1016/j.apradiso.2021.110006
Citations: PlumX Metrics


2020HA27      Phys.Rev. C 102, 024625 (2020)

H.Haba, F.Fan, D.Kaji, Y.Kasamatsu, H.Kikunaga, Y.Komori, N.Kondo, H.Kudo, K.Morimoto, K.Morita, M.Murakami, K.Nishio, J.P.Omtvedt, K.Ooe, Z.Qin, D.Sato, N.Sato, T.K.Sato, Y.Shigekawa, A.Shinohara, M.Takeyama, T.Tanaka, A.Toyoshima, K.Tsukada, Y.Wakabayashi, Y.Wang, S.Wulff, S.Yamaki, S.Yano, Y.Yasuda, T.Yokokita

Production of 266Bh in the 248Cm(23Na, 5n)266Bh reaction and its decay properties

RADIOACTIVITY 266,267Bh(α)[from 248Cm(23Na, 5n), (23Na, 4n), E=125.9, 130.6, 135.3 MeV]; 262Db(α), (SF)[from 266Bh α decay]; 263Db(EC), (α), (SF)[from 267Bh α decay]; 263Rf(SF)[from 263Db EC decay]; 258Lr(α), (EC)[from 262Db α decay]; 259Lr(α), (SF)[from 263Db α decay]; 258No(SF)[from 258Lr(EC); measured Eα, αα-, ααα- and α(SF)-correlations for 32 observed events using rotating wheel apparatus MANON and gas-jet transport system coupled to gas-filled recoil ion separator GARIS at RIKEN; deduced decay times, half-lives, decay branching ratios, production cross sections for 266Bh and 267Bh. Comparison with previous experimental results for half-lives and branching ratios for decay modes.

NUCLEAR REACTIONS 248Cm(23Na, 5n), (23Na, 4n), E=125.9, 130.6, 135.3 MeV; measured reaction products, σ(E) at RIKEN. Comparison with HIVAP calculations, and with previous experimental results.

doi: 10.1103/PhysRevC.102.024625
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2676. Data from this article have been entered in the XUNDL database. For more information, click here.


2019IG01      Sci. Rep. 9, 11807 (2019)

J.Igarashi, J.Zheng, Z.Zhang, K.Ninomiya, Y.Satou, M.Fukuda, Y.Ni, T.Aono, A.Shinohara

First determination of Pu isotopes (239Pu, 240Pu and 241Pu) in radioactive particles derived from Fukushima Daiichi Nuclear Power Plant accident

doi: 10.1038/s41598-019-48210-4
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2019SH38      Phys.Rev. C 100, 044304 (2019)

Y.Shigekawa, Y.Kasamatsu, E.Watanabe, H.Ninomiya, S.Hayami, N.Kondo, Y.Yasuda, H.Haba, A.Shinohara

Observation of internal-conversion electrons emitted from 229mTh produced by β decay of 229Ac

RADIOACTIVITY 229Ac(β-)[from 232Th(p, α), E=20 MeV, followed by chemical separation of 229Ac and preparation of an electrodeposited source at RCNP, Osaka University]; measured Eγ, ce, I(ce), β(ce)-coin, β(ce)(t). 229mTh; deduced level, half-life of the 8.28-eV isomer.

doi: 10.1103/PhysRevC.100.044304
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018SH23      Phys.Rev. C 98, 014306 (2018)

Y.Shigekawa, Y.Kasamatsu, Y.Yasuda, M.Kaneko, M.Watanabe, A.Shinohara

Variation of half-life and internal-conversion electron energy spectrum between 235mU oxide and fluoride

RADIOACTIVITY 235mU(IT)[from 239Pu α decay]; measured E(ce), I(ce), and T1/2 of 235mU by decay curves for internal conversion (IC) electrons using oxide and fluoride compounds of 235mU and retarding-field electron analyzer; deduced shorter half-life for 235mU fluoride as compared to that for 235mU oxide, and clear difference in the IC electron energy spectra, analyzed through relativistic density functional theory (DFT) calculations of binding energies and molecular orbital states of both the compounds. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.98.014306
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018ST11      Phys.Rev. C 98, 014317 (2018)

S.Stellmer, Y.Shigekawa, V.Rosecker, G.A.Kazakov, Y.Kasamatsu, Y.Yasuda, A.Shinohara, T.Schumm

Toward an energy measurement of the internal conversion electron in the deexcitation of the 229Th isomer

RADIOACTIVITY 229mTh(IT)[from 233U(α)]; measured Eα, Iα, ce, (ce)α-coin using CANBERRA Passivated Implanted Planar Silicon (PIPS) detector. Numerical simulations by SRIM package for optimizing the stopping layer thickness. Discussed experimental method towards determining excitation energy of first excited isomeric state of 229Th. Relevance to applications of 229mTh as a nuclear clock.

doi: 10.1103/PhysRevC.98.014317
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2015SE13      Nucl.Instrum.Methods Phys.Res. B361, 685 (2015)

S.Sekimoto, S.Okumura, H.Yashima, Y.Matsushi, H.Matsuzaki, H.Matsumura, A.Toyoda, K.Oishi, N.Matsuda, Y.Kasugai, Y.Sakamoto, H.Nakashima, D.Boehnlein, R.Coleman, G.Lauten, A.Leveling, N.Mokhov, E.Ramberg, A.Soha, K.Vaziri, K.Ninomiya, T.Omoto, T.Shima, N.Takahashi, A.Shinohara, M.W.Caffee, K.C.Welten, K.Nishiizumi, S.Shibata, T.Ohtsuki

Measurements of production cross sections of 10Be and 26Al by 120 GeV and 392 MeV proton bombardment of 89Y, 159Tb, and natCu targets

NUCLEAR REACTIONS 89Y, 159Tb, Cu(p, X)10Be, E=392 MeV; 89Y, Cu(p, X)10Be, E=120 GeV; Cu(p, X)26Al, E=392 MeV; 89Y, Cu(p, X)26Al, E=120 GeV; measured reaction products; deduced σ. Accelerator mass spectrometry, comparison with available data.

doi: 10.1016/j.nimb.2015.08.001
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2192.


2014HA04      Phys.Rev. C 89, 024618 (2014)

H.Haba, M.Huang, D.Kaji, J.Kanaya, Y.Kudou, K.Morimoto, K.Morita, M.Murakami, K.Ozeki, R.Sakai, T.Sumita, Y.Wakabayashi, A.Yoneda, Y.Kasamatsu, Y.Kikutani, Y.Komori, K.Nakamura, A.Shinohara, H.Kikunaga, H.Kudo, K.Nishio, A.Toyoshima, K.Tsukada

Production of 262Db in the 248Cm(19F, 5n)262Db reaction and decay properties of 262Db and 258Lr

NUCLEAR REACTIONS 248Cm(19F, 5n)262Db, E=97.4, 103.1 MeV; measured production σ of 262Db, correlated α-α and α-SF decay chains using rotating wheel apparatus MANON for α and SF spectrometry at RIKEN facility. Comparison with HIVAP model calculations, and with previous experimental and theoretical results. No observation of 263Db and 259Lr correlated chains through possible 248Cm(19F, 4n) reaction channel.

RADIOACTIVITY 262Db(α), (SF)[from 248Cm(19F, 5n), E=97.4, 103.1 MeV]; 258Lr(α), (EC)[from 262Db α decay]; measured Eα, Iα, half-lives, α-α, α-SF correlations, branching ratios for α, SF and EC modes. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.89.024618
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2450. Data from this article have been entered in the XUNDL database. For more information, click here.


2014SE16      Nucl.Data Sheets 119, 197 (2014)

S.Sekimoto, H.Suzuki, H.Yashima, K.Ninomiya, Y.Kasamatsu, T.Shima, N.Takahashi, A.Shinohara, H.Matsumura, M.Hagiwara, K.Nishiizumi, M.W.Caffee, S.Shibata

Measurements of Cross Sections for Neutron-induced Reactions on Chromium and Yttrium Targets at 197 MeV

NUCLEAR REACTIONS Cr, Y(n, x), E=197 MeV; measured reaction products. 42,43K, 46,47Sc, 48Sc, 48V, 48,51Cr deduced σ. Compared with other data and JENDL-HE.

doi: 10.1016/j.nds.2014.08.055
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2013EJ01      J.Phys.Soc.Jpn. 82, 044202 (2013)

H.Ejiri, I.H.Hashim, Y.Hino, Y.Kuno, Y.Matsumoto, K.Ninomiya, H.Sakamoto, A.Sato, T.Shima, A.Shinohara, K.Takahisa, N.H.Tran

Nuclear γ Rays from Stopped Muon Capture Reactions for Nuclear Isotope Detection

NUCLEAR REACTIONS 54Fe(μ, 2n), 56Fe, 65Cu, 90,92Zr, 99Tc, 109Ag, 187Re, 197Au, 233U, 239,240Pu(μ, X), 128Te, 235U(μ, n), E not given; calculated Eγ, Iγ; deduced yields. Muon capture isotope detection (MuCID).

doi: 10.7566/JPSJ.82.044202
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2013SE01      Nucl.Instrum.Methods Phys.Res. B294, 475 (2013)

S.Sekimoto, T.Omoto, H.Joto, T.Utsunomiya, H.Yashima, K.Ninomiya, K.C.Welten, M.W.Caffee, Y.Matsushi, H.Matsuzaki, R.Nakagaki, T.Shima, N.Takahashi, A.Shinohara, H.Matsumura, D.Satoh, Y.Iwamoto, M.Hagiwara, K.Nishiizumi, S.Shibata

Measurements of cross sections for production of light nuclides by 300 MeV proton bombardment of Cu and Y

NUCLEAR REACTIONS Cu, Y(p, X)10Be/26Al/36Cl, E=300 MeV; measured reaction products, Eγ, Iγ; deduced σ. Accelerator Mass Spectroscopy (AMS), chemical separation.

doi: 10.1016/j.nimb.2012.03.005
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2414.


2012HA05      Phys.Rev. C 85, 024611 (2012)

H.Haba, D.Kaji, Y.Kudou, K.Morimoto, K.Morita, K.Ozeki, R.Sakai, T.Sumita, A.Yoneda, Y.Kasamatsu, Y.Komori, A.Shinohara, H.Kikunaga, H.Kudo, K.Nishio, K.Ooe, N.Sato, K.Tsukada

Production of 265Sg in the 248Cm(22Ne, 5n)265Sg reaction and decay properties of two isomeric states in 265Sg

NUCLEAR REACTIONS 248Cm(22Ne, 5n)265Sg, E=228.8 MeV; measured evaporation residues, excitation function, production cross sections for isomers, αα, ααα and α(SF) correlations using RIKEN gas-filled recoil-ion separator GARIS. Comparison of cross sections with other 5n evaporation channel reactions, and HIVAP calculations.

RADIOACTIVITY 265,265mSg[from 248Cm(22Ne, 5n), E=228.8 MeV]; 261Rf, 261mRf(α), (SF)[from 265Sg α decay]; measured E(α), E(SF), I(α), T1/2, αα-coin, α(fragment) coin; deduced α and SF decay branching ratios from data for 79 α-α decay chains. 214Po, 252,253,254,255Fm, 257No(α); measured Eα.

doi: 10.1103/PhysRevC.85.024611
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2371.


2011HA13      Phys.Rev. C 83, 034602 (2011)

H.Haba, D.Kaji, H.Kikunaga, Y.Kudou, K.Morimoto, K.Morita, K.Ozeki, T.Sumita, A.Yoneda, Y.Kasamatsu, Y.Komori, K.Ooe, A.Shinohara

Production and decay properties of the 1.9-s isomeric state in 261Rf

RADIOACTIVITY 261Rf, 261mRf(α), (SF)[from 248Cm(18O, 5n), E=93.1, 95.1 MeV]; measured Eα, Iα, α-α correlations, SF-events, α and SF branching ratios, half-lives, σ of 261Rf g.s. and 261Rf isomer. 257No(α); measured Eα, half-life. 214Po, 254Fm, 255,259Rf; measured Eα.

NUCLEAR REACTIONS 248Cm(18O, 5n)261Rf, E=93.1, 95.1 MeV; measured σ, isomer σ ratio, half-lives.

doi: 10.1103/PhysRevC.83.034602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2324. Data from this article have been entered in the XUNDL database. For more information, click here.


2011KI16      Phys.Rev. C 84, 014316 (2011)

H.Kikunaga, T.Suzuki, M.Nomura, T.Mitsugashira, A.Shinohara

Determination of the half-life of the ground state of 229Th by using 232U and 233U decay series

RADIOACTIVITY 232,233U(α); 228,229Th(α)[from 232,233U α decay]; measured Eα, Iα. 229Th; deduced half-life of ground state by the method of activity ratios and growth times. Comparison with previous measurements. 224Ra, 225Ac(α); measured Eα, Iα.

doi: 10.1103/PhysRevC.84.014316
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011KI45      Radiochim.Acta Supp 1, Proc.in Radiochemistry 113 (2011)

H.Kikunaga, H.Fujisawa, K.Ooe, R.Takayama, A.Shinohara, K.Takamiya, Y.Kasamatsu, Y.Ezaki, H.Haba, T.Nakanishi, T.Mitsugashira, K.Hirose, T.Ohtsuki

Precision measurement of the half-life of 90mNb and 99mTc

RADIOACTIVITY 90Nb(EC), 99Tc(β-); measured decay products, Eγ, Iγ; deduced T1/2 and uncertainties.

doi: 10.1524/rcpr.2011.0020
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2011NI20      Radiochim.Acta Supp 1, Proc.in Radiochemistry 123 (2011)

K.Ninomiya, T.Omoto, R.Nakagaki, N.Takahashi, A.Shinohara, S.Sekimoto, T.Utsunomiya, H.Yashima, S.Shibata, T.Shima, N.Kinoshita, H.Matsumura, M.Hagiwara, Y.Iwamoto, D.Satoh, M.W.Caffee, K.C.Welten, M.Imamura, K.Nishiizumi

Cross sections of 7Be, 22Na and 24Na for geochemical and cosmochemical important elements by monoenergetic 287 and 370 MeV neutrons

NUCLEAR REACTIONS C(n, X)7Be, N(n, X)7Be, O(n, X)7Be, Mg(n, X)7Be/22Na/24Na, Al(n, X)7Be/22Na/24Na, Si(n, X)7Be/22Na/24Na, K(n, X)7Be/24Na, Ca(n, X)7Be/22Na/24Na, Fe(n, X)7Be/24Na, Ni(n, X)7Be/24Na, E=287, 370 MeV; measured reaction products, neutron TOF, Eγ, Iγ; deduced σ.

doi: 10.1524/rcpr.2011.0022
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23287.


2011SE15      J.Korean Phys.Soc. 59, 1916s (2011)

S.Sekimoto, T.Utsunomiya, H.Yashima, H.Joto, S.Shibata, K.Ninomiya, D.Satoh, Y.Iwamoto, T.Omoto, R.Nakagaki, N.Takahashi, A.Shinohara, T.Shima, M.Hagiwara, H.Matsumura, K.Nishiizumi, Y.Matsushi, H.Matsuzaki

Measurement of High Energy Neutron Induced Cross Sections for Chromium

NUCLEAR REACTIONS Cr(n, X), E=287 MeV;Cr(p, X), E=300 MeV; measured Eγ, Iγ; deduced reaction rate, σ using activation technique. Compared with JENDL-HE and available data.

doi: 10.3938/jkps.59.1916
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23192.


2011YA23      Radiochim.Acta Supp 1, Proc.in Radiochemistry 135 (2011)

H.Yashima, S.Sekimoto, T.Utsunomiya, K.Ninomiya, T.Omoto, R.Nakagaki, T.Shima, N.Takahashi, A.Shinohara, H.Matsumura, D.Satoh, Y.Iwamoto, M.Hagiwara, K.Nishizumi, S.Shibata

Measurements of the neutron activation cross sections for Bi at 287 and 370 MeV

NUCLEAR REACTIONS 209Bi(n, 9n)201Bi, 209Bi(n, 7n)203Bi, 209Bi(n, 6n)204Bi, 209Bi(n, 5n)205Bi, 209Bi(n, 4n)206Bi, 209Bi(n, X)183Os/199Tl/200Pb/201Pb, E=300, 392 MeV; measured reaction products, neutron TOF, Eγ, Iγ; deduced σ. Comparison with ENDF/B-VII evaluated nuclear library and available experimental data.

doi: 10.1524/rcpr.2011.0025
Citations: PlumX Metrics


2009HA49      Chem.Lett. 38, 426 (2009)

H.Haba, D.Kaji, Y.Komori, Y.Kudou, K.Morimoto, K.Morita, K.Ooe, K.Ozeki, N.Sato, A.Shinohara, A.Yoneda

RIKEN Gas-filled Recoil Ion Separator (GARIS) as a Promising Interface for Superheavy Element Chemistry-Production of Element 104, 261Rf, Using the GARIS/Gas-jet System

RADIOACTIVITY 261Rf, 257No(α) [from 248Cm(18O, 5n)261Rf, E=95.5 MeV]; measured decay products, Eα, Iα; deduced 261Rf for chemical studies in the 248Cm-based hot fusion reaction using the gas-jet transport system coupled to gas-filled recoil ion separator GARIS.

doi: 10.1246/cl.2009.426
Citations: PlumX Metrics


2009KI14      Phys.Rev. C 80, 034315 (2009)

H.Kikunaga, Y.Kasamatsu, H.Haba, T.Mitsugashira, M.Hara, K.Takamiya, T.Ohtsuki, A.Yokoyama, T.Nakanishi, A.Shinohara

Half-life estimation of the first excited state of 229Th by using α-particle spectrometry

RADIOACTIVITY 233U(α); measured Eα, Iα. 229mTh; deduced half-life.

doi: 10.1103/PhysRevC.80.034315
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Data from this article have been entered in the XUNDL database. For more information, click here.


2008HA41      J.Nucl.Radiochem.Sci. 9, 27 (2008)

H.Haba, H.Kikunaga, D.Kaji, T.Akiyama, K.Morimoto, K.Morita, T.Nanri, K.Ooe, N.Sato, A.Shinohara, D.Suzki, T.Takabe, I.Yamazaki, A.Yokoyama, A.Yoneda

Performance of the Gas-jet Transport System Coupled to the RIKEN Gas-filled Recoil Ion Separator GARIS for the 238U(22Ne, 5n)255No Reaction

RADIOACTIVITY 255No(α), (EC), 255Md(EC) [from 238U(22Ne, 5n)255No, E=113.8 MeV]; measured decay products, Eα, Iα; deduced α-particle energies, T1/2. Comparison with available data. The gas-jet transport system coupled to the RIKEN gas-filled recoil ion separator GARIS.

doi: 10.14494/jnrs.9.27
Citations: PlumX Metrics


2008TO05      Radiochim.Acta 96, 323 (2008)

A.Toyoshima, Y.Kasamatsu, Y.Kitatsuji, K.Tsukada, H.Haba, A.Shinohara, Y.Nagame

Development of an electrochemistry apparatus for the heaviest elements

doi: 10.1524/ract.2008.1498
Citations: PlumX Metrics


2007HA29      Eur.Phys.J. D 45, 81 (2007)

H.Haba, T.Akiyama, D.Kaji, H.Kikunaga, T.Kuribayashi, K.Morimoto, K.Morita, K.Ooe, N.Sato, A.Shinohara, T.Takabe, Y.Tashiro, A.Toyoshima, A.Yoneda, T.Yoshimura

Startup of superheavy element chemistry at RIKEN

NUCLEAR REACTIONS 169Tm(40Ar, 3n), E=170 MeV; 208Pb(40Ar, 3n), E=199 MeV; 238U(22Ne, 5n), E=105.9-120.9 MeV; 248Cm(18O, 5n), E=94.4 MeV; measured Eα, Iα, superheavy element production yields using a gas filled recoil separator.

doi: 10.1140/epjd/e2007-00135-4
Citations: PlumX Metrics


2007HA58      J.Nucl.Radiochem.Sci. 8, 55 (2007)

H.Haba, D.Kaji, H.Kikunaga, T.Akiyama, N.Sato, K.Morimoto, A.Yoneda, K.Morita, T.Takabe, A.Shinohara

Development of Gas-jet Transport System Coupled to the RIKEN Gas-filled Recoil Ion Separator GARIS for Superheavy Element Chemistry

RADIOACTIVITY 206Fr, 245Fm [from 169Tm, 208Pb(40Ar, 3n), E not given]; measured decay products, Eα, Iα; deduced α-particle energies, T1/2. Comparison with available data. The gas-filled recoil ion separator GARIS at the RIKEN Linear Accelerator.

doi: 10.14494/jnrs2000.8.55
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2007NI06      J.Radioanal.Nucl.Chem. 272, 661 (2007)

K.Ninomiya, H.Sugiura, T.Nakatsuka, Y.Kasamatsu, H.Kikunaga, W.Sato, T.Yoshimura, H.Matsumura, K.Takamiya, M.K.Kubo, K.Sueki, A.Yokoyama, Y.Hamajima, T.Miura, K.Nishiyama, A.Shinohara

Study of electronic X-rays emitted from pionic and muonic atoms

ATOMIC PHYSICS Z=30-92; measured the energy shifts of electronic Kα X-rays for light muonic atoms.

doi: 10.1007/s10967-007-0642-y
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2007SA25      J.Radioanal.Nucl.Chem. 272, 665 (2007)

W.Sato, H.Ueno, A.Taniguchi, Y.Itsuki, Y.Kasamatsu, A.Shinohara, K.Asahi, Y.Ohkubo

Time-dependent quadrupole interactions for 140Ce ions implanted in highly oriented pyrolytic graphite

RADIOACTIVITY 140Ce(β-); measured Eγ, Iγ, angular anisotropy for source implanted in highly oriented pyrolytic graphite. Time-differential perturbed angular correlation.

doi: 10.1007/s10967-007-0643-x
Citations: PlumX Metrics


2005KA58      Radiochim.Acta 93, 511 (2005)

Y.Kasamatsu, H.Kikunaga, K.Takamiya, T.Mitsugashira, T.Nakanishi, Y.Ohkubo, T.Ohtsuki, W.Sato, A.Shinohara

Search for the decay of 229mTh by photon detection

RADIOACTIVITY 229mTh(IT) [from 233U(α)]; measured Eγ, Iγ; deduced T1/2 limits for isomer decay.

doi: 10.1524/ract.2005.93.9-10.511
Citations: PlumX Metrics


2005KI25      Radiochim.Acta 93, 507 (2005)

H.Kikunaga, Y.Kasamatsu, K.Takamiya, T.Mitsugashira, M.Hara, T.Ohtsuki, H.Yuki, A.Shinohara, S.Shibata, N.Kinoshita, A.Yokoyama, T.Nakanishi

Search for α-decay of 229mTh produced from 229Ac β-decay following 232Th(γ, p2n) reaction

RADIOACTIVITY 229Th(α) [from 232Th(γ, 2np)]; measured Eα, Iα; deduced possible isomeric state decay.

doi: 10.1524/ract.2005.93.9-10.507
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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
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2003MI02      J.Radioanal.Nucl.Chem. 255, 63 (2003)

T.Mitsugashira, M.Hara, T.Ohtsuki, H.Yuki, K.Takamiya, Y.Kasamatsu, A.Shinohara, H.Kikunaga, T.Nakanishi

Alpha-decay from the 3.5 eV isomer of 229Th

RADIOACTIVITY 229mTh(α) [from 230Th(γ, n)]; measured Eα, T1/2.

doi: 10.1023/A:1022267428310
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2003SA67      J.Nucl.Radiochem.Sci. 4, No 1, 15 (2003)

W.Sato, Y.Kasamatsu, Y.Ohkubo, A.Taniguchi, A.Shinohara

Time-Differential Perturbed Angular Correlation of 140Ce Implanted in Highly Oriented Pyrolytic Graphite


2003YO04      Czech.J.Phys. (Supplement) 53, A411 (2003)

A.Yokoyama, T.Murae, N.Kinoshita, H.Kikunaga, T.Ohki, M.Shigekawa, Y.Kasamatsu, A.Shinohara, S.Shibata, T.Saito

Radioisotope production in target fragmentation with high-energy heavy ions at HIMAC

NUCLEAR REACTIONS 197Au(12C, X), E=180, 290, 400 MeV/nucleon; 197Au(40Ar, X), E=290, 650 MeV/nucleon; measured fragment yields, isotopic production σ. Thick-target thick-catcher method.

doi: 10.1007/s10582-003-0053-4
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2001YO13      Radiochim.Acta 89, 703 (2001)

A.Yokoyama, S.Morimoto, H.Araki, J.Sanada, H.Baba, A.Shinohara, S.Shibata, T.Saito, Y.Ohkubo

Radiochemical Study on the Mechanism of Target Fragmentation of Cu, Nb, Pr and Au Targets Induced by 12C and 40Ar Projectiles

NUCLEAR REACTIONS Cu, Nb, Pr, Au(12C, X), (40Ar, X), E=180, 290, 400, 690 MeV/nucleon; measured fragments mass distributions, recoil momenta; deduced reaction mechanism features. Activation technique.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2074.


1999YO03      J.Radioanal.Nucl.Chem. 239, 143 (1999)

A.Yokoyama, S.Morimoto, T.Inoue, J.Sanada, H.Araki, T.Saito, H.Baba, S.Shibata, A.Shinohara, T.Muroyama, Y.Ohkubo

Reaction Mechanism for Target-Like Products from 197Au Target Bombarded with 12C Ions of Energies Above 100 MeV/u

NUCLEAR REACTIONS 197Au(12C, X), E=180, 230, 400 MeV/nucleon; measured Z=77-79 products production σ; deduced reaction mechanism features. Activation technique.

doi: 10.1007/BF02349546
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1996YO09      J.Radioanal.Nucl.Chem. 212, 451 (1996)

A.Yokoyama, K.Takesako, T.Saito, H.Baba, Y.Ohkubo, A.Shinohara, M.Furukawa

Limiting Behavior of Target Fragmentation in the Reactions of Lanthanide Nuclei Induced by Heavy Projectiles

NUCLEAR REACTIONS 165Ho(15N, X), E=1 GeV; 165Ho(14N, X), E=1.8 GeV; 141Pr(40Ar, X), E=2.3, 3.8 GeV; measured fragment mass yield distribution; deduced target fragmentation limiting behavior related features. Off-line γ spectrometry.

doi: 10.1007/BF02163290
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1995KU36      Radiochim.Acta 69, 65 (1995)

H.Kusawake, T.Saito, A.Yokoyama, K.Takesako, N.Takahashi, H.Baba, Y.Ohkubo, A.Shinohara

Angular-Momentum Effect in the Fusion Reaction of 141Pr with 40Ar Projectiles

NUCLEAR REACTIONS, ICPND 141Pr(40Ar, X), (40Ar, F), E=7-94 MeV/nucleon; measured residuals production σ, cumulative yields for Zn to Ta isotopes, mass 65-173, fission product mass, charge distribution.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1910.


1994SH06      Nucl.Instrum.Methods Phys.Res. B84, 14 (1994)

A.Shinohara, M.Furukawa, T.Saito, H.Baba, T.Miura, N.Imanishi

Pionic X-Ray Intensities per Captured Negative Pion in Various Elements

NUCLEAR REACTIONS Li, 9Be, B, C, 23Na, Mg(π-, X), E at rest; measured pionic I(X-ray); deduced yield dependence on target charge, shell closure effects.

ATOMIC PHYSICS, Mesic-Atoms Li, 9Be, B, C, 23Na, Mg(π-, X), E at rest; measured pionic I(X-ray); deduced yield dependence on target charge, shell closure effects.

doi: 10.1016/0168-583X(94)95697-9
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1994SH32      Hyperfine Interactions 84, 569 (1994)

A.Shinohara, T.Muroyama, J.Shintai, E.Taniguchi, T.Saito, T.Miura, N.Imanishi, Y.Yoshimura, M.Furukawa

Measurements of Transfer Process in Pion Capture by a Series of Alcohols

NUCLEAR REACTIONS 2,1H, C, O(π-, X), (π-, γ), E at 140 MeV/c; measured pionic X-rays, γ-spectra; deduced capture, transfer rates. Targets of alcohol series.

ATOMIC PHYSICS, Mesic-Atoms 2,1H, C, O(π-, X), (π-, γ), E at 140 MeV/c; measured pionic X-rays, γ-spectra; deduced capture, transfer rates. Targets of alcohol series.

doi: 10.1007/BF02060711
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1993TA29      Radiochim.Acta 62, 163 (1993)

E.Taniguchi, A.Shinohara, M.Narita, J.Kurachi, M.Furukawa, S.Kojima, Y.Ohkubo, F.Ambe, K.Takesako, H.Kusawake, T.Saito, S.Shibata

Yields and Recoil Properties of Products from the Interaction of Natural Copper with Intermediate-Energy 14N, 15N and 40Ar Ions

NUCLEAR REACTIONS Cu(14N, X), (15N, X), (40Ar, X), E=26-135 MeV/nucleon; measured fragment production σ vs mass; deduced mass yield distribution, longitudinal momentum transfer. Nondestructive γ-spectrometry.


1989HI08      Phys.Rev. C39, 2268 (1989)

D.J.Hinde, H.Ogata, M.Tanaka, T.Shimoda, N.Takahashi, A.Shinohara, S.Wakamatsu, K.Katori, H.Okamura

Systematics of Fusion-Fission Time Scales

NUCLEAR REACTIONS 142Nd(16O, F), E=178 MeV; 168Er(20Ne, F), E=148, 214 MeV; 181Ta(20Ne, F), E=148, 214 MeV; 181Ta(7Li, F), E=148 MeV; 197Au(16O, F), E=178 MeV; 197Au(7Li, F), E=147 MeV; 209Bi(20Ne, F), E=148, 214 MeV; 209Bi(7Li, F), E=147 MeV; 232Th(20Ne, F), E=215 MeV; 232Th(7Li, F), E=148 MeV; measured σ(En, θn) vs fission fragment mass, total kinetic energy; deduced pre-scission, post-scission neutron multiplicities, total neutron multiplicities, fission timescale, nuclear viscosity.

doi: 10.1103/PhysRevC.39.2268
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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.


1988HI08      Phys.Rev. C37, 2923 (1988)

D.J.Hinde, H.Ogata, M.Tanaka, T.Shimoda, N.Takahashi, A.Shinohara, S.Wakamatsu, K.Katori, H.Okamura

Pre-Scission Neutron Multipility following the 16O + 142Nd Reaction

NUCLEAR REACTIONS 142Nd(16O, F), E=178 MeV; measured fission (fragment)n(θ)-coin, σ(fragment θ, En), (fragment)(p)-, (fragment)(α)-coin; deduced pre-, post-scission neutron multiplicities, total p, α multiplicities. Fission time scale, nuclear viscosity.

doi: 10.1103/PhysRevC.37.2923
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1987SH19      Nucl.Phys. A472, 151 (1987)

A.Shinohara, T.Saito, M.Shoji, A.Yokoyama, H.Baba, M.Ando, K.Taniguchi

Nuclear Excitation in 189Os with Synchrotron Radiation

NUCLEAR REACTIONS 189Os(γ, X), E=2.5 GeV synchroton radiation; measured E X-ray, I X-ray; deduced probability for nuclear excitation by electron transition. 189Os deduced isomer excitation mechanism, Γγ, Γ(isomer)/Γ for other levels. Wiggler synchroton radiation, resonance absorption of photon by nucleus.

doi: 10.1016/0375-9474(87)90225-9
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1986SH22      Nucl.Phys. A456, 701 (1986)

A.Shinohara, A.Yokoyama, S.Moriyasu, T.Saito, H.Baba

Fission and Particle Evaporation following Stopped-Negative-Pion Absorption in 209Bi

NUCLEAR REACTIONS 209Bi(π-, F), (π-, xnyp), E at rest; measured γ-rays, pionic X-rays; deduced fission probability, reaction yields. Compared results with model calculation.

doi: 10.1016/0375-9474(86)90082-5
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1984FU01      Z.Phys. A315, 121 (1984)

H.Fujioka, K.Ura, A.Shinohara, T.Saito, K.Otozai

Observation of Nuclear Excitation by Electron Transition (NEET) in 197Au

NUCLEAR REACTIONS 197Au(e, e'), E=100 keV; measured ce(t), Auger, inelastic electron spectra. 197Au level deduced excitation probability by radiation-less electron transition, M1 interaction.

doi: 10.1007/BF01436218
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1981SA18      J.Inorg.Nucl.Chem. 43, 1963 (1981)

T.Saito, A.Shinohara, T.Miura, K.Otozai

Nuclear Excitation by Electron Transition in 189Os following K-Shell Ionization by Bremsstrahlung

NUCLEAR REACTIONS 189Os(γ, γ), E=200 keV bremsstrahlung; measured Eγ, Iγ, K-shell σ(ionization). 189Os level deduced excitation probability by radiationless electron transition.

doi: 10.1016/0022-1902(81)80530-1
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1980SA15      Phys.Lett. 92B, 293 (1980)

T.Saito, A.Shinohara, K.Otozai

Nuclear Excitation by Electron Transition (NEET) in 237Np Following K-Shell Photoionization

NUCLEAR REACTIONS 237Np(γ, γ'), E=122, 136 keV [from 57Co]; measured Eγ, Iγ, I(K X-ray), E(K X-ray). 237Np level deduced excitation probability by radiationless electron transition.

doi: 10.1016/0370-2693(80)90267-1
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1979SA34      Nucl.Phys. A330, 443 (1979)

T.Saito, Y.Ohkubo, A.Shinohara, R.Arakawa, K.Otozai

Electroexcitation of the Isomer in 103Rh

NUCLEAR REACTIONS 103Rh(e, e'), E=350-800 keV; measured σ(E).

doi: 10.1016/0375-9474(79)90065-4
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