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Search: Author = Y.Nagame

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2022OR04      Phys.Rev. C 106, 064301 (2022)

R.Orlandi, H.Makii, K.Nishio, K.Hirose, M.Asai, K.Tsukada, T.K.Sato, Y.Ito, F.Suzaki, Y.Nagame, A.N.Andreyev, E.Ideguchi, N.Aoi, T.T.Pham, S.Q.Yan, Y.P.Shen, B.Gao, G.Li

New K isomers in 248Cf

NUCLEAR REACTIONS 249Cf(18O, 19O)248Cf, E=140.4 MeV; measured reaction products, Eγ, Iγ, γγ-coin, particleγ-coin. 248Cf; deduced levels, J, π, transitions from isomeric states, T1/2 for 2 low-ling transitions, B(E1). Discussed possible configuration of newly observed isomeric state at 950 keV to be two-quasineutron K=8- and the two-quasiproton K=5-. Comparison to other experimental data. Radioactive target. Si-detectors array combined with γ-ray detector array consisted of 4 Ge detectors and 4 4x5 inch LaBr3 scintillators at Tokai Tandem accelerator facility of the Japan Atomic Energy Agency (JAEA).

doi: 10.1103/PhysRevC.106.064301
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2019BA22      Phys.Rev. C 99, 054317 (2019)

A.E.Barzakh, J.G.Cubiss, A.N.Andreyev, M.D.Seliverstov, B.Andel, S.Antalic, P.Ascher, D.Atanasov, D.Beck, J.Bieron, K.Blaum, Ch.Borgmann, M.Breitenfeldt, L.Capponi, T.E.Cocolios, T.Day Goodacre, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, S.Fritzsche, L.P.Gaffney, S.George, L.Ghys, F.P.Hessberger, M.Huyse, N.Imai, Z.Kalaninova, D.Kisler, U.Koster, M.Kowalska, S.Kreim, J.F.W.Lane, V.Liberati, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, S.Mitsuoka, P.L.Molkanov, Y.Nagame, D.Neidherr, K.Nishio, S.Ota, D.Pauwels, L.Popescu, D.Radulov, E.Rapisarda, J.P.Revill, M.Rosenbusch, R.E.Rossel, S.Rothe, K.Sandhu, L.Schweikhard, S.Sels, V.L.Truesdale, C.Van Beveren, P.Van den Bergh, P.Van Duppen, Y.Wakabayashi, K.D.A.Wendt, F.Wienholtz, B.W.Whitmore, G.L.Wilson, R.N.Wolf, K.Zuber

Inverse odd-even staggering in nuclear charge radii and possible octupole collectivity in 217, 218, 219At revealed by in-source laser spectroscopy

NUCLEAR MOMENTS 217,218,219At; measured hyperfine structure spectra, isotopic shifts, and hyperfine splitting constants using in-source resonance-ionization technique at CERN-ISOLDE; deduced magnetic dipole and electric quadrupole moments, changes in nuclear mean-square charge radii, octupole collectivity. 217,218,219At isotopes produced in U(p, X), E=1.4 GeV reaction. Systematics of g factors in 209,211,213Bi, 211,217,219At, 213,219,221,223,225Fr, 215,217,227Ac, changes in rms charge radii for 207,208,209,210,211,217,218,219At, shell-effect parameters in Pb, Bi, Po, At, Rn, Fr, Ra, Ac isotopes, and odd-even staggering in 205,207,209,211Pb, 207,209,217Po, 208,210,218At, 210,212,220,222,224,226Fr, 219,221Rn, 221,223,225,227Ra.

doi: 10.1103/PhysRevC.99.054317
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2019GH11      Phys.Rev. C 100, 054310 (2019)

L.Ghys, A.N.Andreyev, M.Huyse, P.Van Duppen, S.Antalic, A.Barzakh, L.Capponi, T.E.Cocolios, J.Cubiss, X.Derkx, H.De Witte, J.Elseviers, F.P.Hessberger, Z.Kalaninova, U.Koster, J.F.W.Lane, V.Liberati, S.Mitsuoka, Y.Nagame, K.Nishio, S.Ota, D.Pauwels, R.D.Page, L.Popescu, D.Radulov, M.M.Rajabali, E.Rapisarda, K.Sandhu, V.L.Truesdale, P.Van den Bergh, Y.Wakabayashi

α-decay properties of 200, 202Fr

RADIOACTIVITY 200,202,202mFr, 196,198,198mAt, 194,192Bi(α)[from 238U(p, F), E=1.4 GeV]; measured Eα, Iα, Eγ, Iγ, αγ- and αγγ-coin, half-lives of 200Fr g.s., 198At g.s. and 198At isomer using the windmill detection setup at ISOLDE-CERN; 196,198At, 192,194Bi; deduced levels, J, π, total conversion coefficients, multipolarities, α-reduced widths. 190Tl, 194Bi, 198At, 202Fr, 206Ac; deduced energies of the isomeric states and compared to previous experimental values. 198,202Po, 200,202At, 202Rn(α); measured Eα. Systematics of 206Ac to 190Tl and 200Fr to 188Tl decay chains. Systematics of α-reduced widths for odd-odd A=184-201 Fr, At and Bi α-emitters.

doi: 10.1103/PhysRevC.100.054310
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2019NA20      Radiochim.Acta 107, 803 (2019)

Y.Nagame

Nuclear and chemical characterization of heavy actinides

doi: 10.1515/ract-2019-3133
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2018CU02      Phys.Rev. C 97, 054327 (2018)

J.G.Cubiss, A.E.Barzakh, M.D.Seliverstov, A.N.Andreyev, B.Andel, S.Antalic, P.Ascher, D.Atanasov, D.Beck, J.Bieron, K.Blaum, Ch.Borgmann, M.Breitenfeldt, L.Capponi, T.E.Cocolios, T.Day Goodacre, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, S.Fritzsche, L.P.Gaffney, S.George, L.Ghys, F.P.Hessberger, M.Huyse, N.Imai, Z.Kalaninova, D.Kisler, U.Koster, M.Kowalska, S.Kreim, J.F.W.Lane, V.Liberati, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, S.Mitsuoka, P.L.Molkanov, Y.Nagame, D.Neidherr, K.Nishio, S.Ota, D.Pauwels, L.Popescu, D.Radulov, E.Rapisarda, J.P.Revill, M.Rosenbusch, R.E.Rossel, S.Rothe, K.Sandhu, L.Schweikhard, S.Sels, V.L.Truesdale, C.Van Beveren, P.Van den Bergh, Y.Wakabayashi, P.Van Duppen, K.D.A.Wendt, F.Wienholtz, B.W.Whitmore, G.L.Wilson, R.N.Wolf, K.Zuber

Charge radii and electromagnetic moments of 195-211At

NUCLEAR MOMENTS 195,195m,196,197,197m,198,198m,199,199m,200,200m,201,202,202m,203,204,205,206,207,208,209,210,211At; measured hfs spectra, hyperfine coupling constants, isotope shifts, and rms charge radii using the in-source resonance-ionization spectroscopy method, and Multi-Reflection Time-of-Flight Mass Spectrometer (MR-TOF MS) at CERN-ISOLDE; deduced magnetic dipole moments and spectroscopic quadrupole moments, configurations, and quadrupole deformation parameters. 206At; deduced J. Detailed systematics of magnetic dipole moments, spectroscopic quadrupole moments, deformations, and rms charge radii in Hg, Tl, Pb, Bi, Po, At, Fr, Ra and Ac nuclei. Comparison with theoretical calculations using multiconfiguration Dirac-Hartree-Fock (MCDHF) method.

NUCLEAR REACTIONS U(p, X)195At/195mAt/196At/197At/197mAt/198At/198mAt/199At/199mAt/200At/200m1At/200m2At/201At/202At/202mAt/203At/204At/205At/206At/207At/208At/209At/210At/211At, E=1.4 GeV; produced radioactive astatine isotopes by spallation reaction with beam from CERN PS Booster impinging on a thick UCx target, followed by injection into a hot cavity of the Resonance Ionization Laser Ion Source (RILIS), and ionization by a three-step photoionization scheme.

doi: 10.1103/PhysRevC.97.054327
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2016TR07      Phys.Rev. C 94, 034308 (2016)

V.L.Truesdale, A.N.Andreyev, L.Ghys, M.Huyse, P.Van Duppen, S.Sels, B.Andel, S.Antalic, A.Barzakh, L.Capponi, T.E.Cocolios, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, F.P.Hessberger, Z.Kalaninova, U.Koster, J.F.W.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, S.Mitsuoka, Y.Nagame, K.Nishio, S.Ota, D.Pauwels, L.Popescu, D.Radulov, E.Rapisarda, S.Rothe, K.Sandhu, M.D.Seliverstov, A.M.Sjodin, C.Van Beveren, P.Van den Bergh, Y.Wakabayashi

β-delayed fission and α decay of 196At

RADIOACTIVITY 196At, 196Po(α); 196At(EC), (β+), (β+F), [high purity 196At beam from U(p, X), E=1.4 GeV using HRS and GPS separators with RILIS at ISOLDE-CERN facility]; measured Eα, Iα, Eγ, Iγ, αγ-coin, fission-fragment energies, (fission fragment)(fission fragment)-coin, half-lives of decays of 196At and 196Po; deduced α- and β-decay and β-delayed fission branching ratios of 196At, reduced α-decay widths, symmetric and asymmetric fission-fragment mass distributions of the daughter isotope 196Po. 192Bi; deduced levels, J, π, conversion coefficients, multipolarities, mixing ratio, configurations. Comparison with previous experimental values. 192Bi, 199,200,201At, 202Rn; observed α from daughter activity 192Bi and other contaminants.

doi: 10.1103/PhysRevC.94.034308
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2015NA19      Nucl.Phys. A944, 614 (2015)

Y.Nagame, J.V.Kratz, M.Schadel

Chemical studies of elements with Z ≥ 104 in liquid phase

doi: 10.1016/j.nuclphysa.2015.07.013
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2014GH09      Phys.Rev. C 90, 041301 (2014)

L.Ghys, A.N.Andreyev, M.Huyse, P.Van Duppen, S.Sels, B.Andel, S.Antalic, A.Barzakh, L.Capponi, T.E.Cocolios, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, F.P.Hessberger, Z.Kalaninova, U.Koster, J.F.W.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, S.Mitsuoka, P.Moller, Y.Nagame, K.Nishio, S.Ota, D.Pauwels, R.D.Page, L.Popescu, D.Radulov, M.M.Rajabali, J.Randrup, E.Rapisarda, S.Rothe, K.Sandhu, M.D.Seliverstov, A.M.Sjodin, V.L.Truesdale, C.Van Beveren, P.Van den Bergh, Y.Wakabayashi, M.Warda

Evolution of fission-fragment mass distributions in the neutron-deficient lead region

RADIOACTIVITY 194,196At, 200,202Fr(β+F)[from U(p, X), E=1.4 GeV at CERN-ISOLDE using HRS and GPS separators]; measured mass and energy distributions of coincident fission fragments after β-delayed fission, ratio of α to β-delayed-fission decays, total kinetic energy. 196At, 200Fr; deduced β-delayed fission decay probabilities, new region of multimodal fission in the neutron-deficient lead region. 196Po; Calculated potential energy surface contour. Comparison with Finite-range liquid-drop (FRLDM) and Hartree-Fock-Bogoliubov (HFB) model calculations. Comparison with experimental results for β-delayed fission of 180Tl.

doi: 10.1103/PhysRevC.90.041301
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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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2013AS02      Phys.Rev. C 87, 014332 (2013)

M.Asai, K.Tsukada, M.Sakama, H.Haba, T.Ichikawa, Y.Ishii, A.Toyoshima, T.Ishii, I.Nishinaka, Y.Nagame, Y.Kasamatsu, M.Shibata, Y.Kojima, H.Hayashi

Ground-state configuration of the N=157 nucleus 259No

RADIOACTIVITY 259No(α)[from 248Cm(18O, 3nα), E=94 MeV]; measured Eα, Iα, Eγ, I(K-x rays), αγ-coin, T1/2 at JAEA facility. 255Fm; deduced levels, J, π, multipolarity, configuration. 259No; deduced ground-state configuration. 255,257,259,261,263,265No; calculated energies of neutron single-particle orbitals, and β2, β4, β6 deformation parameters using macroscopic-microscopic model based on FRLDM and Strutinsky shell correction method. Observed α lines from decays of 211,213,214Po, 211At, 250,254,255,256Fm, 253Es, 257No, 261Rf formed in competing reaction channels.

doi: 10.1103/PhysRevC.87.014332
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2011AS03      Phys.Rev. C 83, 014315 (2011)

M.Asai, K.Tsukada, H.Haba, Y.Ishii, T.Ichikawa, A.Toyoshima, T.Ishii, Y.Nagame, I.Nishinaka, Y.Kojima, K.Sueki

Neutron one-quasiparticle states in 251Fm151 populated via the α decay of 255No

RADIOACTIVITY 255No(α)[from 248Cm(12C, 5n), E=77 MeV; measured Eα, Iα, Eγ, Iγ, αγ-coin, T1/2, level half-lives from delayed spectra. 251Fm; deduced levels, J, π, α hindrance factors, conversion coefficients, multipolarities, B(E2), configurations. Comparison of α hindrance factors with those from α decay of 251Cf and 253Fm.

NUCLEAR STRUCTURE 245Pu, 247Cm, 249Cf, 251Fm, 253No, 255Rf; calculated one quasiparticle neutron states in N=151 nuclei using macroscopic-microscopic approach with finite-range liquid drop model involving β2, β4, β6 and β8 deformation parameters.

doi: 10.1103/PhysRevC.83.014315
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2011NA23      Radiochim.Acta 99, 377 (2011)

Y.Nagame, M.Hirata

Production and properties of transuranium elements

doi: 10.1524/ract.2011.1853
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2011NI05      Eur.Phys.J. A 47, 9 (2011)

I.Nishinaka, M.Tanikawa, Y.Nagame, H.Nakahara

Nuclear-charge polarization at scission in proton-induced fission of 233U

NUCLEAR REACTIONS 233U(p, F), E=11.5 MeV; measured fission fragments, (fragment)(fragment)-coin, En, In, (fragment)n-coin; deduced yields, average kinetic energy, neutron multiplicity vs fragment mass, neutron-to-proton ratio, nuclear charge polarization vs fragment mass. Measurements compared with other data.

doi: 10.1140/epja/i2011-11009-4
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2010NI14      Phys.Rev. C 82, 024611 (2010)

K.Nishio, S.Hofmann, F.P.Hessberger, D.Ackermann, S.Antalic, Y.Aritomo, V.F.Comas, Ch.E.Dullmann, A.Gorshkov, R.Graeger, K.Hagino, S.Heinz, J.A.Heredia, K.Hirose, H.Ikezoe, J.Khuyagbaatar, B.Kindler, I.Kojouharov, B.Lommel, R.Mann, S.Mitsuoka, Y.Nagame, I.Nishinaka, T.Ohtsuki, A.G.Popeko, S.Saro, M.Schadel, A.Turler, Y.Watanabe, A.Yakushev, A.V.Yeremin

Nuclear orientation in the reaction 34S+238U and synthesis of the new isotope 268Hs

NUCLEAR REACTIONS 238U(34S, xn)267Hs/268Hs, E=148-170 MeV; measured evaporation residues and Eα, Eγ, x-rays, (fragment)α-, (fragment)γ-coin, production σ, fission σ(E), mass distribution of fission fragments as a function of energy. Comparison of fission σ(E) with calculations based on the three-dimensional Langevin equation and deformed target nuclei. Coupled-channel calculations for mass distributions. 268,269Sg, 272,273Hs, 269,271,272Mt, 274,275,276,277Sg, 273,275,276Rg, 278,279,280,281Cn; theoretical estimates of production rates in 243Am, 244Pu, 248Cm(34S, xn), (36S, xn) reactions.

RADIOACTIVITY 267,268Hs(α)[from 238U(34S, X), E=163.0 MeV]; 263Sg, 259Rf(α); 264Sg(SF); measured Eα, Eγ, x-rays, (fragment)α-, (fragment)γ-coin, half-lives; deduced Qα. Systematics of Qα values for even-even Z=104-114 and N=150-170 nuclei.

doi: 10.1103/PhysRevC.82.024611
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2009DV01      Phys.Rev. C 79, 037602 (2009)

J.Dvorak, W.Bruchle, Ch.E.Dullmann, Z.Dvorakova, K.Eberhardt, R.Eichler, E.Jager, Y.Nagame, Z.Qin, M.Schadel, B.Schausten, E.Schimpf, R.Schuber, A.Semchenkov, P.Thorle, A.Turler, M.Wegrzecki, A.Yakushev

Cross section limits for the 248Cm(25Mg, 4n-5n)268, 269Hs reactions

NUCLEAR REACTIONS 248Cm(25Mg, 4n)269Hs, (25Mg, 5n)268Hs, E(cm)=140 MeV; measured α, fission events, α-SF and α-α correlations, production cross section limits. No events were assigned to 268Hs and 269Hs.

RADIOACTIVITY 268Hs, 269Hs(α); measured Eα, half-lives.

doi: 10.1103/PhysRevC.79.037602
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2008DV02      Phys.Rev.Lett. 100, 132503 (2008)

J.Dvorak, W.Bruchle, M.Chelnokov, Ch.E.Dullmann, Z.Dvorakova, K.Eberhardt, E.Jager, R.Krucken, A.Kuznetsov, Y.Nagame, F.Nebel, K.Nishio, R.Perego, Z.Qin, M.Schadel, B.Schausten, E.Schimpf, R.Schuber, A.Semchenkov, P.Thorle, A.Turler, M.Wegrzecki, B.Wierczinski, A.Yakushev, A.Yeremin

Observation of the 3n Evaporation Channel in the Complete Hot-Fusion Reaction 26Mg+248Cm Leading to the New Superheavy Nuclide 271Hs

NUCLEAR REACTIONS 248Cm(26Mg, xn)269Hs/270Hs/271Hs, E=13-15 MeV; measured production σ. 271Hs; deduced T1/2.

doi: 10.1103/PhysRevLett.100.132503
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2008NI07      Phys.Rev. C 77, 064607 (2008)

K.Nishio, H.Ikezoe, S.Mitsuoka, I.Nishinaka, Y.Nagame, Y.Watanabe, T.Ohtsuki, K.Hirose, S.Hofmann

Effects of nuclear orientation on the mass distribution of fission fragments in the reaction of 36S+238U

NUCLEAR REACTIONS 238U(36S, X), E=163-208 MeV; measured emission angles, σ, mass distributions of fission products. Comparison with coupled channels calculations.

doi: 10.1103/PhysRevC.77.064607
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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
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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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2007HO24      J.Nucl.Radiochem.Sci. 8, 73 (2007)

S.Hofmann, H.Ikezoe, F.P.Hessberger, D.Ackermann, S.Antalic, V.F.Comas, Z.Gan, S.Heinz, J.A.Heredia, J.Khuyagbaatar, B.Kindler, I.Kojouharov, P.Kuusiniemi, B.Lommel, M.Mazzocco, S.Mitsuoka, Y.Nagame, T.Ohtsuki, A.G.Popeko, S.Saro, H.J.Schott, B.Sulignano, A.Svirikhin, K.Tsukada, K.Tsuruta, A.V.Yeremin

Measurement of Evaporation Residue and Fission Cross Sections of the Reaction 30Si + 238U at Subbarrier Energies

NUCLEAR REACTIONS 238U(30Si, X), E=140-183 MeV; measured fission fragment energy and mass distributions, fission cross sections. Compared results to model calculations.


2007NI08      J.Radioanal.Nucl.Chem. 273, 263 (2007)

I.Nishinaka, Y.Nagame

Scission shapes of pair fragments in asymmetric and symmetric fission modes

NUCLEAR REACTIONS 232Th(p, X), E=12 MeV; calculated total kinetic energy, total fragment excitation energy, total and fragment internal energies.

doi: 10.1007/s10967-007-0746-4
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2007NI11      Eur.Phys.J. A 33, 231 (2007)

I.Nishinaka, H.Nakahara, Y.Nagame

Nuclear-charge polarization at scission in the 12 MeV proton-induced fission of 232Th

NUCLEAR REACTIONS 232Th(p, X), E=12.4 MeV; analyzed proton induced fission data to evaluated fission product cross sections, fractional yields, charge dispersions, neutron to proton ratios, and nuclear charge polarization.

doi: 10.1140/epja/i2007-10437-y
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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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2006DV01      Phys.Rev.Lett. 97, 242501 (2006)

J.Dvorak, W.Bruchle, M.Chelnokov, R.Dressler, Ch.E.Dullmann, K.Eberhardt, V.Gorshkov, E.Jager, R.Krucken, A.Kuznetsov, Y.Nagame, F.Nebel, Z.Novackova, Z.Qin, M.Schadel, B.Schausten, E.Schimpf, A.Semchenkov, P.Thorle, A.Turler, M.Wegrzecki, B.Wierczinski, A.Yakushev, A.Yeremin

Doubly Magic Nucleus 270108Hs162

RADIOACTIVITY 269,270Hs, 265Sg(α) [from 248Cm(26Mg, xn) and subsequent decay]; measured Eα, T1/2. 266Sg(SF) [from 270Hs decay]; measured T1/2. Rapid chemical separation.

NUCLEAR REACTIONS 248Cm(26Mg, 4n), (26Mg, 5n), E=136, 145 MeV; measured delayed Eα, αα-coin; deduced production σ.

doi: 10.1103/PhysRevLett.97.242501
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2006GH04      Phys.Rev. C 74, 014611 (2006)

R.A.Gherghescu, Y.Nagame

Isobaric cold-fusion channels for synthesis of 276114, 286114, and 290114

NUCLEAR REACTIONS 140Ce(136Ba, X), 140Ba(136Ce, X), 142Ce(134Ba, X), 142Nd(134Xe, X), 144Ce(132Ba, X), 146Sm(130Te, X), 146Nd(130Xe, X), 148Nd(128Xe, X), 148Sm(128Te, X), 150Gd(126Sn, X), 150Sm(126Te, X), 152Sm(124Te, X), 152Gd(124Sn, X), 154Gd(122Sn, X), 154Sm(122Te, X), 156Gd(120Sn, X), 156Sm(120Te, X), 158Dy(118Cd, X), 158Gd(118Sn, X), 160Dy(116Cd, X), 160Gd(116Sn, X), 162Dy(114Cd, X), 164Dy(112Cd, X), 164Er(112Pd, X), 166Er(110Pd, X), 166Dy(110Cd, X), 168Er(108Pd, X), 168Dy(108Cd, X), 170Yb(106Ru, X), 170Er(106Pd, X), 172Yb(104Ru, X), 172Er(104Pd, X), 174Hf(102Mo, X), 174Yb(102Ru, X), 176Hf(100Mo, X), 176Yb(100Ru, X), 178Hf(98Mo, X), 178Yb(98Ru, X), 180W(96Zr, X), 180Hf(96Mo, X), E not given; calculated fusion barrier energies, penetrabilities.

NUCLEAR STRUCTURE 276,286,290Fl; calculated potential energies surfaces for binary systems.

doi: 10.1103/PhysRevC.74.014611
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2006GH06      J.Phys.(London) G32, L73 (2006)

R.A.Gherghescu, D.N.Poenaru, W.Greiner, Y.Nagame

Synthesis of 286114 and 290114 using low-energy fusion channels

NUCLEAR REACTIONS 172Er(114Pd, X), (118Pd, X), 170Er(116Pd, X), (120Pd, X), 168Er(118Pd, X), (122Pd, X), 144Ba(142Ce, X), 144Ce(142Ba, X), 146Ce(140Ba, X), 148Ce(138Ba, X), 162Gd(124Sn, X), 160Gd(126Sn, X), 158Gd(128Sn, X), 156Gd(130Sn, X), 156Sm(130Te, X), 154Sm(132Te, X), 152Sm(134Te, X), 168Dy(118Cd, X), (122Cd, X), 166Dy(120Cd, X), 164Dy(122Cd, X), 150Nd(136Xe, X), 148Nd(138Xe, X), 170Yb(120Ru, X), 172Yb(118Ru, X), 174Yb(116Ru, X), 176Yb(114Ru, X), 178Yb(112Ru, X), 180Yb(110Ru, X), 174Hf(116Mo, X), 176Hf(114Mo, X), 178Hf(112Mo, X), 180Hf(110Mo, X), 182Hf(108Mo, X), 184Hf(106Mo, X), 186Hf(104Mo, X), 178W(112Zr, X), 182W(108Zr, X), 184W(106Zr, X), 186W(104Zr, X), 188W(102Zr, X), 190W(100Zr, X), 182Os(108Sr, X), 186Os(104Sr, X), 188Os(102Sr, X), 190Os(100Sr, X), 186Pt(104Kr, X), 188Pt(102Kr, X), 190Pt(100Kr, X), E not given; calculated fusion barrier distributions, potential energy. Macroscopic-microscopic approach, dynamic minimization.

doi: 10.1088/0954-3899/32/11/L03
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2006NI10      Eur.Phys.J. A 29, 281 (2006)

K.Nishio, S.Hofmann, F.P.Hessberger, D.Ackermann, S.Antalic, V.F.Comas, Z.Gan, S.Heinz, J.A.Heredia, H.Ikezoe, J.Khuyagbaatar, B.Kindler, I.Kojouharov, P.Kuusiniemi, B.Lommel, R.Mann, M.Mazzocco, S.Mitsuoka, Y.Nagame, T.Ohtsuki, A.G.Popeko, S.Saro, H.J.Schott, B.Sulignano, A.Svirikhin, K.Tsukada, K.Tsuruta, A.V.Yeremin

Measurement of evaporation residue cross-sections of the reaction 30Si + 238U at subbarrier energies

NUCLEAR REACTIONS 238U(30Si, F), (30Si, 3n), (30Si, 4n), (30Si, 5n), E=145.5, 151.2, 163.5 MeV; measured fission and evaporation residue σ.

RADIOACTIVITY 263,265Sg, 259Rf, 255No(α) [from 238U(30Si, xn) and subsequent decay]; measured Eα, T1/2. 262,264Sg, 261Rf(SF) [from 238U(30Si, xn) and subsequent decay]; measured T1/2, fission fragments kinetic energy.

doi: 10.1140/epja/i2006-10091-y
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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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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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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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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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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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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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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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2004NI07      Phys.Rev. C 70, 014609 (2004)

I.Nishinaka, Y.Nagame, H.Ikezoe, M.Tanikawa, Y.L.Zhao, K.Sueki, H.Nakahara

Partition of total excitation energy between fragment pairs in asymmetric and symmetric fission modes

NUCLEAR REACTIONS 232Th(p, F), E=12 MeV; measured fission fragment mass distributions, kinetic energies; deduced neutron multiplicity, excitation energy partition for different fission modes.

doi: 10.1103/PhysRevC.70.014609
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2004NI10      Phys.Rev.Lett. 93, 162701 (2004)

K.Nishio, H.Ikezoe, Y.Nagame, M.Asai, K.Tsukada, S.Mitsuoka, K.Tsuruta, K.Satou, C.J.Lin, T.Ohsawa

Evidence of Complete Fusion in the Sub-Barrier 16O + 238U Reaction

NUCLEAR REACTIONS 238U(16O, 4n), (16O, 5n), (16O, 6n), E(cm) ≈ 70-105 MeV; measured evaporation residue σ; deduced complete fusion at sub-barrier energies, role of orientation and deformation. Comparison with statistical model predictions.

doi: 10.1103/PhysRevLett.93.162701
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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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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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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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2003ZH05      J.Radioanal.Nucl.Chem. 255, 67 (2003)

Y.L.Zhao, I.Nishinaka, Y.Nagame, K.Tsukada, K.Sueki, S.Goto, M.Tanikawa, H.Nakahara

Primary fragment mass-yield distribution for asymmetric fission path of heavy nuclei

NUCLEAR REACTIONS 232Th, 238U, 244Pu, 248Cm(p, F), E=15.0 MeV; measured fission fragment mass distributions, average total kinetic energy; deduced fragment shell structure effects.

doi: 10.1023/A:1022219512380
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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
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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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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.


2002PO03      Phys.Rev. C65, 054308 (2002); Erratum Phys.Rev. C66, 049902 (2002)

D.N.Poenaru, Y.Nagame, R.A.Gherghescu, W.Greiner

Systematics of Cluster Decay Modes

NUCLEAR STRUCTURE Z=87-96; analyzed α-decay, cluster decay T1/2, related data; deduced systematic features.

doi: 10.1103/PhysRevC.65.054308
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2002PO16      J.Nucl.Radiochem.Sci. 3, No 1, 43 (2002)

D.N.Poenaru, W.Greiner, Y.Nagame, R.A.Gherghescu

Nuclear Shapes in Complex Fission Phenomena

NUCLEAR STRUCTURE 238U, 228,232Th; calculated fission associated deformations, saddle-point deformation energies.


2002ZH55      J.Nucl.Radiochem.Sci. 3, No 1, 103 (2002)

Y.L.Zhao, I.Nishinaka, Y.Nagame, K.Tsukada, K.Sueki, M.Tanikawa, S.Goto, H.Nakahara

Fission Characteristics of Individual Deformation Paths in Heavy Elements

NUCLEAR STRUCTURE 210Po, 227Ac, 233Pa, 249Bk, 259Md; calculated fission fragment mass distributions, total kinetic energies for symmetric and asymmetric fission paths.


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.


2001NG04      J.Radioanal.Nucl.Chem. 250, 255 (2001)

N.S.Nguyen, Y.Nagame, I.Nishinaka

Fission Mode Description of Mass Distributions for Fissioning Systems Ranging from Mass 230 to 262

NUCLEAR REACTIONS 230Th, 234,236U, 240Pu, 246Cm, 250Cf, 255Es(n, F), E=thermal; analyzed fission fragments mass distributions; deduced parameters, multi-modal fission.

RADIOACTIVITY 253Es, 254,256,257Fm, 259Md, 256,258,262No, 256Rf(SF); analyzed fission fragments mass distributions; deduced parameters, multi-modal fission.

doi: 10.1023/A:1017910621695
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2001WA25      Eur.Phys.J. A 10, 373 (2001)

Y.X.Watanabe, A.Yoshida, T.Fukuda, T.Sekine, Y.Watanabe, H.Ikezoe, Y.Nagame, T.Ikuta, I.Nishinaka, Y.Mizoi, J.Nakano, M.Hirai, H.Sakurai, H.Kobinata, Y.Pu, K.Kimura, M.Ishihara

Measurement of Fusion Excitation Functions of 27, 29, 31Al + 197Au

NUCLEAR REACTIONS 197Au(27Al, X), (29Al, X), (31Al, X), E(cm) ≈ 100-170 MeV; measured fusion σ; deduced neutron transfer contribution. Coupled-channels calculations.

doi: 10.1007/s100500170102
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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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2000ZH21      Phys.Rev. C62, 014612 (2000)

Y.L.Zhao, Y.Nagame, I.Nishinaka, K.Sueki, H.Nakahara

Degrees of Deformation at Scission and Correlated Fission Properties Atomic Nuclei

NUCLEAR STRUCTURE A=186-260; analyzed fission fragments total kinetic energy; deduced deformation at scission, constant values for symmetric, asymmetric fission. Reaction-induced and spontaneous fission considered.

doi: 10.1103/PhysRevC.62.014612
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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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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

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
Citations: PlumX Metrics


1999ZH41      Radiochim.Acta 86, 79 (1999)

Y.L.Zhao, M.Tanikawa, K.Sueki, I.Nishinaka, K.Tsukada, Y.Oura, Y.Nagame, H.Nakahara

Angular Momentum Effects on Mass Division in Actinide Fission

NUCLEAR REACTIONS 238U(p, n), (p, 5n), (p, np), (p, 2nα), (p, 3nα), (p, F), E*=28-45 MeV; 232Th(7Li, n), (7Li, 5n), (7Li, np), (7Li, nα), (7Li, 2nα), (7Li, 3nα), (7Li, F), E*=30-46 MeV; measured evaporation residue and fission excitation functions, fission fragment mass yields; deduced angular momentum dependence of fission barrier. Comparison with model predictions.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0765.


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
Citations: PlumX Metrics


1998IK01      Phys.Rev. C57, R2804 (1998)

T.Ikuta, H.Ikezoe, S.Mitsuoka, I.Nishinaka, K.Tsukada, Y.Nagame, J.Lu, T.Kuzumaki

Observation of a New Isomeric State in 217Pa

RADIOACTIVITY 216,217Pa(α) [from 194Pt(28Si, xnp), E=163 MeV]; measured Eα, T1/2. 217Pa deduced levels, isomeric state.

doi: 10.1103/PhysRevC.57.R2804
Citations: PlumX Metrics


1998IK02      Eur.Phys.J. A 2, 379 (1998)

H.Ikezoe, T.Ikuta, S.Mitsuoka, Y.Nagame, I.Nishinaka, K.Tsukada, T.Ohtsuki, T.Kuzumaki, J.Lu

First Evidence for a New Spontaneous Fission Decay Produced in the Reaction 30Si + 238U

NUCLEAR REACTIONS 238U(30Si, X), E=158 MeV; measured fission fragment spectra following compound nucleus decay, T1/2; deduced evidence for 263,264Sg.

doi: 10.1007/s100500050134
Citations: PlumX Metrics


1998SC50      Radiochim.Acta 83, 163 (1998)

M.Schadel, W.Bruchle, E.Jager, B.Schausten, G.Wirth, W.Paulus, R.Gunther, K.Eberhardt, J.V.Kratz, A.Seibert, E.Strub, P.Thorle, N.Trautmann, A.Waldek, S.Zauner, D.Schumann, U.Kirbach, B.Kubica, R.Misiak, Y.Nagame, K.E.Gregorich

Aqueous Chemistry of Seaborgium (Z=106)


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
Citations: PlumX Metrics

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
Citations: PlumX Metrics


1997MI03      Phys.Rev. C55, 1555 (1997)

S.Mitsuoka, H.Ikezoe, T.Ikuta, Y.Nagame, K.Tsukada, I.Nishinaka, Y.Oura, Y.L.Zhao

α-Decay Properties of the New Neutron Deficient Isotope 212Pa

RADIOACTIVITY 212Pa(α) [from 182W(35Cl, 5n), E=182.5 MeV]; measured T1/2, Eα; deduced Qα, s-wave α-decay reduced width.

NUCLEAR REACTIONS 182W(35Cl, 5n), (35Cl, 2n), (35Cl, 3n), (35Cl, 4np), (35Cl, 5np), (35Cl, 3np), (35Cl, 2np), (35Cl, np), (35Cl, 2nα), (35Cl, 3nα), (35Cl, nα), (35Cl, α), (35Cl, n2p), (35Cl, 3npα), (35Cl, 2npα), E=182.5 MeV; measured residuals decay associated Eα, Iα.

doi: 10.1103/PhysRevC.55.1555
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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.


1997NI06      Phys.Rev. C56, 891 (1997)

I.Nishinaka, Y.Nagame, K.Tsukada, H.Ikezoe, K.Sueki, H.Nakahara, M.Tanikawa, T.Ohtsuki

Nuclear Fission of Neutron-Deficient Protactinium Nuclides

NUCLEAR REACTIONS 209Bi(16O, F), E=86, 98 MeV; 209Bi(18O, F), E=83, 85 MeV; measured fission fragment yield, mass, kinetic energy distributions. 225,227Pa deduced symmetric, asymmetric fission barrier height, neutron number dependence. Tof.

doi: 10.1103/PhysRevC.56.891
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1662.


1997SC48      Radiochim.Acta 77, 149 (1997)

M.Schadel, W.Bruchle, B.Schausten, E.Schimpf, E.Jager, G.Wirth, R.Gunther, J.V.Kratz, W.Paulus, A.Seibert, P.Thorle, N.Trautmann, S.Zauner, D.Schumann, M.Andrassy, R.Misiak, K.E.Gregorich, D.C.Hoffman, D.M.Lee, E.R.Sylwester, Y.Nagame, Y.Oura

First Aqueous Chemistry with Seaborgium (Element 106)

RADIOACTIVITY 265,266Sg(α), (SF) [from 248Cm(22Ne, xn)]; measured T1/2. Chemical separation.


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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1996BA69      Z.Phys. A356, 61 (1996)

H.Baba, A.Yokoyama, N.Takahashi, N.Nitani, R.Kasuga, T.Yamaguchi, D.Yano, K.Takamiya, N.Shinohara, K.Tsukada, Y.Hatsukawa, Y.Nagame

Abrupt Changes of the Characteristics of the Proton-Induced Fission of 238U Around 14-MeV Excitation

NUCLEAR REACTIONS, ICPND 238U(p, F), E=9.4, 12.4, 17.9 MeV; measured fission fragment cumulative, independent yields vs Z, mass yield distributions for A=83-238; deduced fission mechanism incident energy dependence.

doi: 10.1007/s002180050149
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2036.


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
Citations: PlumX Metrics

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


1996IK01      Phys.Rev. C54, 2043 (1996)

H.Ikezoe, T.Ikuta, S.Hamada, Y.Nagame, I.Nishinaka, K.Tsukada, Y.Oura, T.Ohtsuki

α Decay of a New Isotope 209Th

RADIOACTIVITY 209Th(α) [from 182W(32S, X), E=171 MeV]; 210,211,212Th, 208,209Ac(α), 208Ac(IT); measured decay products, Eα, αα-correlations, αα-coin; deduced α-particle energies, reduced width, T1/2. Recoil mass separator, the JAERI-tandem accelerator.

doi: 10.1103/PhysRevC.54.2043
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1996IK03      Nucl.Instrum.Methods Phys.Res. A376, 420 (1996)

H.Ikezoe, Y.Nagame, T.Ikuta, S.Hamada, I.Nishinaka, T.Ohtsuki

JAERI Recoil Mass Separator

NUCLEAR REACTIONS 89Y, Ag, I, 59Co(28Si, X), E=130 MeV; measured fusion residues energy, yield vs position; deduced recoil mass separator characteristics. JAERI recoil mass separator.

doi: 10.1016/0168-9002(96)00183-0
Citations: PlumX Metrics


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
Citations: PlumX Metrics

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


1996PU01      Z.Phys. A353, 387 (1996)

Y.H.Pu, S.M.Lee, S.C.Jeong, H.Fujiwara, T.Mizota, Y.Futami, T.Nakagawa, H.Ikezoe, Y.Nagame

The Competition between Fusion-Fission and Deeply Inelastic Reactions in the Medium Mass Systems

NUCLEAR REACTIONS 64Ni(37Cl, X), E=170, 186 MeV; 74Ge(28Si, X), E=176 MeV; measured σ(fragment θ) vs Z; deduced σ vs Z; deduced mechanism, best fit model. Statistical fusion-fission, deep inelastic scattering models, data on other reactions analyzed.

doi: 10.1007/BF01285150
Citations: PlumX Metrics


1996YO07      Z.Phys. A356, 55 (1996)

A.Yokoyama, N.Takahashi, N.Nitani, H.Baba, R.Kasuga, T.Yamaguchi, D.Yano, K.Takamiya, N.Shinohara, K.Tsukada, Y.Hatsukawa, Y.Nagame

Precision Determination of Charge Dispersion and Distribution in the Proton-Induced Fission of 238U at 13.9 MeV Excitation

NUCLEAR REACTIONS, ICPND 238U(p, F), E=13.9 MeV; measured fission fragment mass yield distribution, charge dispersion, distribution for 73Zn-238Np. Gas-jet transport systems, radiochemical stacked-target technique, Ge γ-ray spectrometry.

doi: 10.1007/s002180050148
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0348.


1994IK01      Phys.Rev. C49, 968 (1994)

H.Ikezoe, Y.Nagame, I.Nishinaka, Y.Sugiyama, Y.Tomita, K.Ideno, S.Hamada, N.Shikazono, A.Iwamoto, T.Ohtsuki

Prescission and Postscission Charge Particle Emissions from the 19F + 159Tb Reaction

NUCLEAR REACTIONS 159Tb(19F, F), E=124.1, 159.1 MeV; measured fission (fragment)p-, (fragment)α-coin, prescission, postscission p-, α-multiplicities; deduced fission fragment temperatures. Statistical model.

doi: 10.1103/PhysRevC.49.968
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1994NA08      Appl.Radiat.Isot. 45, 281 (1994)

Y.Nagame, S.Baba, T.Saito

Isomeric Yield Ratio for the 95Mo(p, n)95m,95gTc Reaction

NUCLEAR REACTIONS, ICPND 95Mo(p, n)95Tc/95mTc, E < 28 MeV; analyzed σ(E), isomeric yield ratios; deduced preequilibrium process energy dependence. Statistical model.

doi: 10.1016/0969-8043(94)90040-X
Citations: PlumX Metrics


1994NI17      J.Alloys and Compounds 213/214, 417 (1994)

I.Nishinaka, M.Tanikawa, S.Miyamoto, K.Sueki, H.Nakahara, K.Tsukada, M.Magara, Y.Nagame, H.Ikezoe, T.Ohtsuki

Fragment mass and kinetic energy distributions from fission of light actinides

NUCLEAR REACTIONS 209Bi(16O, F), (18O, F), E ≈ 85 MeV; measured fission fragment kinetic energy and mass distributions.

doi: 10.1016/0925-8388(94)90948-2
Citations: PlumX Metrics


1994OH07      J.Alloys and Compounds 213/214, 423 (1994)

T.Ohtsuki, Y.Nagame, H.Ikezoe, K.Tsukada, H.Nakahara, I.Nishinaka

Bimodal nature of actinide fission

NUCLEAR REACTIONS 232Th, 238U(p, F), E=13 MeV; measured fission fragment kinetic energy and mass distributions; deduced two scission configurations.

doi: 10.1016/0925-8388(94)90950-4
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1993NA02      Phys.Rev. C47, 1586 (1993)

Y.Nagame, H.Ikezoe, T.Ohtsuki

Symmetric Mass-Division Process in Nuclei with Mass Numbers Around A(CN) = 100

NUCLEAR REACTIONS 68Zn(37Cl, F), E=160, 177 MeV; 89Y(16O, F), E=140 MeV; measured σ(fragment θ) vs mass following fission; deduced fission σ(E), symmetric mass division features. Other data input.

doi: 10.1103/PhysRevC.47.1586
Citations: PlumX Metrics


1993OH03      Phys.Rev. C48, 1667 (1993)

T.Ohtsuki, H.Nakahara, Y.Nagame

Systematic Variation of Fission Barrier Heights for Symmetric and Asymmetric Mass Divisions

NUCLEAR REACTIONS, ICPND 237Np(p, F), E=10-35 MeV; 233,235,236U, 239,244Pu, 241Am(p, F), E=8-20 MeV; analyzed fission σ(E), σ(fragment mass) relative to 97Nb production σ data. 233Pa, 234,236,237,239Np, 238Pu, 240,243,245Am, 242,244Cm deduced fission barrier heights. Other data input. Statistical model, symmetric, asymmetric fission processes.

doi: 10.1103/PhysRevC.48.1667
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1411.


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
Citations: PlumX Metrics


1992IK01      Phys.Rev. C46, 1922 (1992)

H.Ikezoe, N.Shikazono, Y.Nagame, Y.Sugiyama, Y.Tomita, K.Ideno, I.Nishinaka, B.J.Qi, H.J.Kim, A.Iwamoto, T.Ohtsuki

Charged Particle Multiplicities in Heavy-Ion-Induced Fission

NUCLEAR REACTIONS 197Au(19F, F), E=94-149.3 MeV; 181Ta, 197Au, 208Pb(19F, F), E=92-162.4 MeV; 197Au, 208Pb(28Si, F), E=147.2-194.1 MeV; measured pre-scission, post-scission charged particle multiplicity, fission, (fragment)(light charged particle)(θ); deduced fission dynamics. Statistical model.

doi: 10.1103/PhysRevC.46.1922
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1648.


1991GE03      Phys.Rev. C44, R1 (1991)

J.C.Gehring, B.B.Back, R.R.Betts, P.B.Fernandez, D.J.Henderson, Y.Nagame

Proton-Induced Fission of 238U at Extreme Sub-Barrier Energies

NUCLEAR REACTIONS, ICPND 238U(p, F), E=3-4.45 MeV; measured fission σ(E).

doi: 10.1103/PhysRevC.44.R1
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0088.


1991ID01      Nucl.Instrum.Methods Phys.Res. A302, 385 (1991)

K.Ideno, Y.Tomita, Y.Sugiyama, H.Ikezoe, S.Hanashima, Y.Nagame

A Two-Dimensional Position-Sensitive Detection System for the 8Be Nuclei in Heavy Ion Reactions

NUCLEAR REACTIONS 64Ni(16O, X), E=80 MeV; measured charged particle ΔE-E spectra. 68Zn(28Si, X), E=163 MeV; measured α-particle relative momenta; deduced accurate kinematical 8Be fragment ground state identification. Two-dimensional position-sensitive detection system.

doi: 10.1016/0168-9002(91)90428-S
Citations: PlumX Metrics


1991IZ01      Appl.Radiat.Isot. 42, 297 (1991)

M.Izumo, H.Matsuoka, T.Sorita, Y.Nagame, T.Sekine, K.Hata, S.Baba

Production of 95mTc with Proton Bombardment of 95Mo

NUCLEAR REACTIONS, ICPND 95Mo(p, n), E > 5 MeV; measured production σ for 95,95mTc, thick target yields. Other data discussed.

doi: 10.1016/0883-2889(91)90092-F
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2396.


1991OH01      Phys.Rev.Lett. 66, 17 (1991)

T.Ohtsuki, Y.Nagame, H.Ikezoe, K.Tsukada, K.Sueki, H.Nakahara

Binary Structure in Time Distributions of Fission Fragments in 13-MeV Proton-Induced Fission of 232Th

NUCLEAR REACTIONS, ICPND 232Th(p, F), E=13 MeV; measured fission fragment yield time, total kinetic energy distributions; deduced two types of scission configurations.

doi: 10.1103/PhysRevLett.66.17
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1991OH02      Phys.Rev. C44, 1405 (1991)

T.Ohtsuki, Y.Nagame, K.Tsukada, N.Shinohara, S.Baba, K.Hashimoto, I.Nishinaka, K.Sueki, Y.Hatsukawa, K.Hata, T.Sekine, I.Kanno, H.Ikezoe, H.Nakahara

Mass Yield Curves in Low-Energy Proton-Induced Fission of 233U, 235U, 236U, 237Np, 239Pu, 242Pu, 244Pu, 241Am, and 243Am

NUCLEAR REACTIONS 233,235,236U, 237Np, 239,242,244Pu, 241,243Am(p, F), E=8-32 MeV; measured fission fragment mass yields; deduced weighted mean mass number, systematics.

doi: 10.1103/PhysRevC.44.1405
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1411.


1990IK02      Phys.Rev. C42, 342 (1990)

H.Ikezoe, N.Shikazono, Y.Nagame, Y.Sugiyama, Y.Tomita, K.Ideno, A.Iwamoto, T.Ohtsuki

Pre-Scission 4He Multiplicity in the 19F + 197Au Reaction

NUCLEAR REACTIONS 19F(197Au, F), E=92-161 MeV; measured cross section, fission (fragment)α-coin; deduced pre-, post-scission α-multiplicities, emission barrier. Statistical model calculations.

doi: 10.1103/PhysRevC.42.342
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1990IK03      Phys.Rev. C42, R1187 (1990)

H.Ikezoe, N.Shikazono, Y.Nagame, Y.Sugiyama, Y.Tomita, K.Ideno, A.Iwamoto, T.Ohtsuki

Pre-Scission 1H and 4He Emissions in 16O + 197Au Reaction

NUCLEAR REACTIONS 197Au(16O, F), E=94-149.3 MeV; measured fission fragment (light particle)-coin; deduced emission barriers, pre-scission p, α multiplicities. Statistical model analysis.

doi: 10.1103/PhysRevC.42.R1187
Citations: PlumX Metrics


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