NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = M.Asai Found 87 matches. 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
2020DU01 Phys.Rev. C 101, 014309 (2020) E.Dupont, A.Astier, C.M.Petrache, B.F.Lv, I.Deloncle, J.Kiener, R.Orlandi, H.Makii, K.Nishio, K.Hirose, M.Asai, T.K.Sato, K.Tsukada, Y.Ito, K.R.Kean, R.Yanagihara, G.Scamps New excited 2+ and 3- two-proton states in 21084Po126 populated by two-proton transfer NUCLEAR REACTIONS 208Pb(12C, 10Be)9Be/10Be/11B/12C/13C, 14C/210Po, E=58, 60, 62, 63.7 MeV; measured reaction products, light beamlike ejectiles, Eγ, Iγ, (charged particles)γ-coin at the 18 MV tandem of JAEA Tokai. 210Po; deduced six 2+ and three 3- levels in two-proton stripping reaction, configurations.
doi: 10.1103/PhysRevC.101.014309
2020KH11 Phys.Rev. C 102, 064602 (2020) J.Khuyagbaatar, A.Yakushev, Ch.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.K.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.B.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva Search for elements 119 and 120 NUCLEAR REACTIONS 249Bk, 249Cf(50Ti, X)299119*/299120*, E(average)=281.5 MeV; measured evaporation residues (ERs), Eα, correlated ER-α and ER-α1-α2-SF events using UNILAC accelerator, TASCA separator, and Focal plane detector system (FPDS) consisting of double-sided silicon strip (DSSD) detectors, and Si-strip detectors for position and time correlations of events. 295,296119, 295,296120; deduced no evidence for non-random correlated events related to 3n- or 4n-channel deexcitations of the compound nuclei 299119 and 299120, within a sensitivity limit of one event corresponding to σ=65 fb for 249Bk+50Ti reaction and σ=200 fb for 249Cf+50Ti; discussed nonobservation of Z=119 and 120 superheavy elements within the context of the fusion-evaporation reaction mechanism.
doi: 10.1103/PhysRevC.102.064602
2019KH04 Phys.Rev. C 99, 054306 (2019) J.Khuyagbaatar, A.Yakushev, Ch.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, D.E.Ward, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva Fusion reaction 48Ca + 249Bk leading to formation of the element Ts (Z=117) NUCLEAR REACTIONS 249Bk(48Ca, 3n), (48Ca, 4n)293Ts/294Ts, E=252.1, 254.0, 258.0 MeV; measured reaction products, evaporation residues (ER), Eα, Iα, (ER)α-correlated decay chains, and σ using double-sided silicon strip detectors for α detection, TASCA separator for evaporation residue, and multiwire proportional counter for detection of residues at UNILAC accelerator facility of GSI. Comparison with previous experimental data for (ER)α-correlated decay chains from DGFRS-Dubna facility. RADIOACTIVITY 294Ts, 290Mc, 286Nh, 282Rg, 278Mt, 274Bh, 270Db(α); 293Ts, 289Mc, 285Nh, 281Rg(α); 266Lr, 270Db, 277Mt, 277Hs(SF); measured Eα, Iα, SF events, half-lives. 266Lr, 270Db(α), (SF); measured half-lives and α/SF branching ratios. Comparison with previous experimental data for (ER)α-correlated decay chains from DGFRS-Dubna facility. A=200-240; A=240-260; systematics of α-decay half-lives of isotopes produced in 48Ca+249Bk and 48Ca+249Cf reactions.
doi: 10.1103/PhysRevC.99.054306
2019XI06 Phys.Rev. C 100, 034315 (2019) Y.Xiao, S.Go, R.Grzywacz, R.Orlandi, A.N.Andreyev, M.Asai, M.A.Bentley, G.de Angelis, C.J.Gross, P.Hausladen, K.Hirose, S.Hofmann, H.Ikezoe, D.G.Jenkins, B.Kindler, R.Leguillon, B.Lommel, H.Makii, C.Mazzocchi, K.Nishio, P.Parkhurst, S.V.Paulauskas, C.M.Petrache, K.P.Rykaczewski, T.K.Sato, J.Smallcombe, A.Toyoshima, K.Tsukada, K.Vaigneur, R.Wadsworth Search for α decay of 104Te with a novel recoil-decay scintillation detector RADIOACTIVITY 108,109Xe, 104,105Te(α)[from 54Fe(58Ni, X), E=250 MeV from the tandem accelerator of the Japan Atomic Energy Agency (JAEA), followed by separation of evaporation residues using Recoil Mass Separator (RMS)]; measured Eα, Iα, αα-correlations using an inorganic scintillator YAP:Ce for implanted nuclei, and a multiwire proportional chamber (MWPC) for α particles; deduced αα-correlations for the 109Xe to 105Te to 101Sn α-decay chain, and no conclusive trace observed for the 108Xe to 104Te to 100Sn α-decay chain, half-life of 108Xe decay, upper limit of 4 ns for the half-life of 104Te; estimated cross section for the production of 108Xe, an order of magnitude lower than the expectation based on earlier cross section measurements and the HIVAP fusion-evaporation code. 109I(p), 108,109Te(α); measured proton and α spectra, half-life of 109I decay. Comparison with data for 108Xe to 104Te to 100Sn α-decay chain reported by 2018Au04.
doi: 10.1103/PhysRevC.100.034315
2017KA66 J.Phys.Soc.Jpn. 86, 034201 (2017) D.Kaji, K.Morita, K.Morimoto, H.Haba, M.Asai, K.Fujita, Z.Gan, H.Geissel, H.Hasebe, S.Hofmann, M.H.Huang, Y.Komori, L.Ma, J.Maurer, M.Murakami, M.Takeyama, F.Tokanai, T.Tanaka, Y.Wakabayashi, T.Yamaguchi, S.Yamaki, A.Yoshida Study of the Reaction 48Ca + 248Cm → 296Lv* at RIKEN-GARIS RADIOACTIVITY 292Lv, 288Fl, 284Cn, 293Lv, 289Fl, 285Cn, 294Lv, 290Fl(α) [from 248Cm(48Ca, X)296Lv, E=261.6, 258.0 MeV]; measured decay products, Eα, Iα; deduced decay branches and ratios. NUCLEAR REACTIONS 248Cm(48Ca, X)296Lv, E=261.6, 258.0 MeV; measured reaction products; deduced σ. Comparison with available data.
doi: 10.7566/jpsj.86.034201
2015AS05 Nucl.Phys. A944, 308 (2015) M.Asai, F.P.Hessberger, A.Lopez-Martens Nuclear structure of elements with 100 ≤ Z ≤ 109 from alpha spectroscopy NUCLEAR STRUCTURE 245Pu, 247Cm, 249Cf, 251Fm, 253No, 255Rf, 257Sg, 259Hs, 249Cm, 251Cf, 253Fm, 255No, 257Rf, 259Sg, 261Hs, 249Pu, 251Cm, 253Cf, 255Fm, 257No, 259Rf, 261Sg, 263Hs; calculated energy levels, J, π, Nilsson single-particle energies, deformation parameters. Comparison with available data. RADIOACTIVITY 247Cm, 249Cf, 251Fm, 253No, 255Rf, 257Sg, 251Cf, 253Fm, 255No, 257Rf, 259Sg, 261Hs(α), 247Cm, 249Cf, 251Fm, 253No(IT), 249Cm, 251Cf, 253Fm, 257Rf, 259Sg(IT), 253Cf, 255Fm, 257No, 259Rf, 261Sg(α), 259No, 261Rf(α); analyzed decay products, Eα, Iα, Eγ, Iγ, α-γ-coin.; deduced energy levels, J, π, T1/2. Internal-conversion-electron coincidence spectroscopy.
doi: 10.1016/j.nuclphysa.2015.06.011
2014CH38 Nucl.Data Sheets 119, 229 (2014) S.Chiba, K.Nishio, H.Makii, Y.Aritomo, I.Nishinaka, T.Ishii, K.Tsukada, M.Asai, K.Furutaka, S.Hashimoto, H.Koura, K.Ogata, T.Ohtsuki, T.Nagayama Surrogate Reactions Research at JAEA/Tokyo Tech NUCLEAR REACTIONS 235,238U(18O, F), E not given; measured reaction products; deduced fission fragment mass yields. 238U(18O, 16O), E not given; measured ejectiles, fission fragments; deduced fission fragment mass distribution, yields vs E*, unnormalized fission probability; calculated fission fragment mass distribution using multidimensional Langevin method. 239U(n, F), E=0.5-20 MeV; measured fission fragments; deduced fission σ vs neutron energy. 155Gd(18O, 16O), E not given; measured reaction products. 156Gd(n, γ), E=0.5-3.5 MeV; deduced σ using SRM (surrogate ratio method). Compared with ENDF/B/VII.1.
doi: 10.1016/j.nds.2014.08.063
2014HA38 Nucl.Instrum.Methods Phys.Res. A747, 41 (2014) H.Hayashi, M.Shibata, M.Asai, A.Osa, T.K.Sato, M.Koizumi, A.Kimura, M.Oshima Performance of a total absorption clover detector for Qβ measurements of neutron-rich nuclei far from the β-stability line RADIOACTIVITY 160,161,162,163,164,165,166Eu, 163,165Gd(β-); measured decay products, Eβ, Iβ, Eγ, Iγ; deduced T1/2 and their uncertainties. Comparison with available data.
doi: 10.1016/j.nima.2014.02.012
2014HE32 Phys.Rev.Lett. 113, 262505 (2014) G.Henning, T.L.Khoo, A.Lopez-Martens, D.Seweryniak, M.Alcorta, M.Asai, B.B.Back, P.F.Bertone, D.Boilley, M.P.Carpenter, C.J.Chiara, P.Chowdhury, B.Gall, P.T.Greenlees, G.Gurdal, K.Hauschild, A.Heinz, C.R.Hoffman, R.V.F.Janssens, A.V.Karpov, B.P.Kay, F.G.Kondev, S.Lakshmi, T.Lauritsen, C.J.Lister, E.A.McCutchan, C.Nair, J.Piot, D.Potterveld, P.Reiter, A.M.Rogers, N.Rowley, S.Zhu Fission Barrier of Superheavy Nuclei and Persistence of Shell Effects at High Spin: Cases of 254No and 220Th NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=217, 220.5 MeV; 176Yb(48Ca, 4n), E=219 MeV; measured reaction products, Eγ, Iγ; deduced fission barrier heights. Comparisons with theoretical fission barriers test theories that predict properties of superheavy elements.
doi: 10.1103/PhysRevLett.113.262505
2014KH04 Phys.Rev.Lett. 112, 172501 (2014) J.Khuyagbaatar, A.Yakushev, C.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, D.E.Ward, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva 48Ca + 249Bk Fusion Reaction Leading to Element Z=117: Long-Lived α-Decaying 270Db and Discovery of 266Lr NUCLEAR REACTIONS 249Bk(48Ca, X)294Ts, E=268.3, 270.2, 274.1 MeV; measured reaction products, Eα, Iα; deduced σ. Comparison with experimental data. RADIOACTIVITY 294Ts, 290Mc, 286Nh, 282Rg, 278Mt, 274Bh, 270Db, 266Lr(α); measured decay products, Eα, Iα; deduced T1/2. Comparison with experimental data.
doi: 10.1103/PhysRevLett.112.172501
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
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
2012FO03 Acta Phys.Pol. B43, 305 (2012) U.Forsberg, P.Golubev, L.G.Sarmiento, J.Jeppsson, D.Rudolph, L.-L.Andersson, D.Ackermann, M.Asai, M.Block, K.Eberhardt, J.Even, Ch.E.Dullmann, J.Dvorak, J.M.Gates, K.E.Gregorich, R.-D.Herzberg, F.P.Hessberger, E.Jager, J.Khuyagbaatar, I.Kojouharov, J.V.Kratz, J.Krier, N.Kurz, S.Lahiri, B.Lommel, M.Maiti, E.Merchan, J.P.Omtvedt, E.Parr, J.Runke, H.Schaffner, M.Schadel, A.Yakushev First Experiment at TASCA Towards X-Ray Fingerprinting of Element 115 Decay Chains NUCLEAR REACTIONS 208Pb(48Ca, 2n)254No, E=4.59 MeV/nucleon; measured reaction fusion-evaporation products; deduced distribution of evaporation residue. Comparison with theoretical calculations.
doi: 10.5506/APhysPolB.43.305
2012GR12 Phys.Rev.Lett. 109, 012501 (2012) P.T.Greenlees, J.Rubert, J.Piot, B.J.P.Gall, L.L.Andersson, M.Asai, Z.Asfari, D.M.Cox, F.Dechery, O.Dorvaux, T.Grahn, K.Hauschild, G.Henning, A.Herzan, R.-D.Herzberg, F.P.Hessberger, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, T.-L.Khoo, M.Leino, J.Ljungvall, A.Lopez-Martens, R.Lozeva, P.Nieminen, J.Pakarinen, P.Papadakis, E.Parr, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, D.Seweryniak, J.Sorri, B.Sulignano, Ch.Theisen, J.Uusitalo, M.Venhart Shell-Structure and Pairing Interaction in Superheavy Nuclei: Rotational Properties of the Z=104 Nucleus 256Rf NUCLEAR REACTIONS 208Pb(50Ti, 2n)256Rf, E=242 MeV; measured reaction products, Eγ, Iγ; deduced σ, T1/2, rotational band structure, energies, J, π, moments of inertia. Comparison with available data, systematics.
doi: 10.1103/PhysRevLett.109.012501
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
2011RO20 Phys.Rev. C 83, 064311 (2011) A.P.Robinson, T.L.Khoo, D.Seweryniak, I.Ahmad, M.Asai, B.B.Back, M.P.Carpenter, P.Chowdhury, C.N.Davids, J.Greene, P.T.Greenlees, K.Hauschild, A.Heinz, R.-D.Herzberg, R.V.F.Janssens, D.G.Jenkins, G.D.Jones, S.Ketelhut, F.G.Kondev, T.Lauritsen, C.J.Lister, A.Lopez-Martens, P.Marley, E.McCutchan, P.Papadakis, D.Peterson, J.Qian, D.Rostron, U.Shirwadkar, I.Stefanescu, S.K.Tandel, X.Wang, S.Zhu Search for a 2-quasiparticle high-K isomer in 256Rf NUCLEAR STRUCTURE 256Rf; calculated ground state and rotational band energies, configurations using Woods-Saxon Potential. NUCLEAR REACTIONS 208Pb(50Ti, 2n), E=240 MeV; measured Eγ, Iγ, ce, γγ-, γ(ce)-coin, γ(t), half-life. 256Rf; deduced levels, J, π, isomers, configurations; calculated energies of two-quasiparticle high-K isomers with the universal Woods-Saxon energies. 170Er(50Ti, 4n)216Th, E=222 MeV; measured Eγ, ce, γ(ce)-coin from isomer, half-life, isomer ratio; used as a test case.
doi: 10.1103/PhysRevC.83.064311
2010SE10 Nucl.Phys. A834, 357c (2010) D.Seweryniak, T.L.Khoo, I.Ahmad, F.G.Kondev, A.Robinson, S.K.Tandel, M.Asai, B.B.Back, M.P.Carpenter, P.Chowdhury, C.N.Davids, S.Eeckhaudt, J.P.Greene, P.T.Greenlees, S.Gros, K.Hauschild, A.Heinz, R.-D.Herzberg, R.V.F.Janssens, D.G.Jenkins, G.D.Jones, S.Ketelhut, T.Lauritsen, C.J.Lister, A.Lopez-Martens, P.Marley, E.A.McCutchan, T.Nakatsukasa, P.Papadakis, D.Peterson, J.Qian, D.Rostron, I.Stefanescu, U.S.Tandel, X.F.Wang, S.F.Zhu Bridging the nuclear structure gap between stable and super heavy nuclei NUCLEAR STRUCTURE 249Bk; calculated single-proton energies using different interactions; 252,254No, 256,257Rf; deduced configurations. Comparison with data.
doi: 10.1016/j.nuclphysa.2010.01.039
2010TA10 Phys.Rev. C 81, 057303 (2010) R.Takahashi, T.Ishii, M.Asai, D.Nagae, H.Makii, K.Tsukada, A.Toyoshima, Y.Ishii, M.Matsuda, A.Makishima, T.Shizuma, T.Kohno, M.Ogawa In-beam γ-ray spectroscopy of 248, 250, 252Cf by neutron-transfer reactions using a Cf target NUCLEAR REACTIONS 249,250,251Cf(18O, 16O), (18O, n16O), (18O, 17O), (18O, n17O), (18O, 18O), (18O, n18O), (18O, n18O), , E=153 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. 248,250,252Cf; deduced levels, J, π, ground-state rotational bands, moments of inertia. Radioactive Cf target with 63% 249Cf, 13% 250Cf, 24% 251Cf.
doi: 10.1103/PhysRevC.81.057303
2009QI04 Phys.Rev. C 79, 064319 (2009) J.Qian, A.Heinz, T.L.Khoo, R.V.F.Janssens, D.Peterson, D.Seweryniak, I.Ahmad, M.Asai, B.B.Back, M.P.Carpenter, A.B.Garnsworthy, J.P.Greene, A.A.Hecht, C.L.Jiang, F.G.Kondev, T.Lauritsen, C.J.Lister, A.Robinson, G.Savard, R.Scott, R.Vondrasek, X.Wang, R.Winkler, S.Zhu Spectroscopy of 257Rf NUCLEAR REACTIONS 208Pb(50Ti, n), E=233 MeV; measured Eα, Iα, ce, fission events correlated with evaporation residues, Eγ, Iγ, (ce)α-, (ce)γ-coin, isomer half-lives, (evaporation residues)-ce-α-α correlations. 257Rf; deduced levels, J, π, configurations. 257Rf; calculated excitation energies of 1-qp states and rotational bands built on 1-qp and 3-qp bandheads. A=245-257, odd-A Pu, Cm, Cf, Fm, No, Rf; Nilsson orbital systematics. RADIOACTIVITY 257Rf(α)(EC)(SF), 257mRf(α)(EC), 257Lr(α), 256Rf(SF), 253No(α)(EC); measured Eα, Iα, Eγ, fission events, (ce)α-coin, half-lives, and fission branching ratios. 253No; deduced levels, J, π, α hindrance factors, and configurations.
doi: 10.1103/PhysRevC.79.064319
2008IS05 Phys.Rev. C 78, 054309 (2008) T.Ishii, H.Makii, M.Asai, K.Tsukada, A.Toyoshima, M.Matsuda, A.Makishima, S.Shigematsu, J.Kaneko, T.Shizuma, H.Toume, I.Hossain, T.Kohno, M.Ogawa Observation of high-j quasiparticle states in 249Cm by in-beam γ-ray spectroscopy using heavy-ion transfer reactions NUCLEAR REACTIONS 248Cm(16O, 15O), (18O, 17O), E=162 MeV; 248Cm(13C, 12C), E=120 MeV; measured Eγ, Iγ, γγ-coin, half-lives, σ. 249Cm; deduced levels, J, π, bands, configurations.
doi: 10.1103/PhysRevC.78.054309
2008RO21 Phys.Rev. C 78, 034308 (2008) A.P.Robinson, T.L.Khoo, I.Ahmad, S.K.Tandel, F.G.Kondev, T.Nakatsukasa, D.Seweryniak, M.Asai, B.B.Back, M.P.Carpenter, P.Chowdhury, C.N.Davids, S.Eeckhaudt, J.P.Greene, P.T.Greenlees, S.Gros, A.Heinz, R.-D.Herzberg, R.V.F.Janssens, G.D.Jones, T.Lauritsen, C.J.Lister, D.Peterson, J.Qian, U.S.Tandel, X.Wang, S.Zhu Kπ = 8- isomers and Kπ = 2- octupole vibrations in N = 150 shell-stabilized isotones NUCLEAR REACTIONS 206Pb(48Ca, 2n), E=217 MeV; measured Eγ, Iγ, conversion electron spectra, γγ-, (ce)γ-coin, half-life. 252No; deduced levels, J, π. 244Pu, 248Cf, 250Fm; systematics of 2- and 8- states. RADIOACTIVITY 246Am(β-) [from 244Pu(α, pn), E=42 MeV]; measured Eγ, Iγ, conversion electron spectra, γγ-, (ce)γ-spectra, isomer half-life. 246Cm; deduced levels, J, π.
doi: 10.1103/PhysRevC.78.034308
2008TO16 Phys.Rev. C 78, 067602 (2008) T.Toshito, K.Kodama, L.Sihver, K.Yusa, M.Ozaki, K.Amako, S.Kameoka, K.Murakami, T.Sasaki, S.Aoki, T.Ban, T.Fukuda, H.Kubota, N.Naganawa, T.Nakamura, T.Nakano, M.Natsume, K.Niwa, S.Takahashi, J.Yoshida, H.Yoshida, M.Kanazawa, N.Kanematsu, M.Komori, S.Sato, M.Asai, T.Koi, C.Fukushima, S.Ogawa, M.Shibasaki, H.Shibuya Measurements of projectile-like 8Be and 9B production in 200-400 MeV/nucleon 12C on water NUCLEAR REACTIONS H, O(12C, X)8Be/9B, E=200-400 MeV/nucleon; measured σ.
doi: 10.1103/PhysRevC.78.067602
2007HA57 Eur.Phys.J. A 34, 363 (2007) H.Hayashi, Y.Akita, O.Suematsu, M.Shibata, M.Asai, T.K.Sato, S.Ichikawa, I.Nishinaka, Y.Nagame, A.Osa, K.Tsukada, T.Ishii, Y.Kojima, A.Taniguchi Qβ measurements of 158, 159Pm, 159, 161Sm, 160-165Eu, 163Gd and 166Tb using a total absorption BGO detector RADIOACTIVITY 158,159Pm, 159,161Sm, 160,161,162,163,164,165Eu, 163Gd, 166Tb(β-) [from 238U(p, F), E=24 MeV and subsequent decay]; measured Eγ, Iγ, Eβ, Iβ; deduced Qβ, mass excess and two-neutron separation energies. Mass separator.
doi: 10.1140/epja/i2006-10522-9
2007IS09 Phys.Rev. C 76, 011303 (2007) T.Ishii, H.Makii, M.Asai, H.Koura, S.Shigematsu, K.Tsukada, A.Toyoshima, M.Matsuda, A.Makishima, J.Kaneko, H.Toume, I.Hossain, T.Shizuma, S.Ichikawa, T.Kohno, M.Ogawa Ground-state bands of neutron-rich 236Th and 242U nuclei and implication of spherical shell closure at N = 164 NUCLEAR REACTIONS 238U(18O, 20Ne), E=200 MeV; 244Pu(16O, 20Ne), E=162 MeV; measured Eγ, Iγ, (particle)γ-coinc. 236Th, 242U deduced levels, J, π.
doi: 10.1103/PhysRevC.76.011303
2007IS11 Phys.Atomic Nuclei 70, 1457 (2007) T.Ishii, S.Shigematsu, H.Makii, M.Asai, K.Tsukada, A.Toyoshima, M.Matsuda, A.Makishima, T.Shizuma, J.Kaneko, I.Hossain, H.Toume, M.Ohara, S.Ichikawa, T.Kohno, M.Ogawa In-beam γ-ray study of the neutron-rich nuclei 240U, 246Pu, and 250Cm produced by the (18O, 16O) reaction NUCLEAR REACTIONS U(18O, 16O)240U, E=200 MeV; 244Pu(18O, 16O)246Pu, E=200 MeV; 248Cm(18O, 16O), e=200 meV; measured Eγ, Iγ, (particle)γ-coinc. 240U, 246Pu, 250Cm deduced levels, J, π, moments of inertia.
doi: 10.1134/S1063778807080224
2007MA82 Phys.Rev. C 76, 061301 (2007) H.Makii, T.Ishii, M.Asai, K.Tsukada, A.Toyoshima, M.Matsuda, A.Makishima, J.Kaneko, H.Toume, S.Ichikawa, S.Shigematsu, T.Kohno, M.Ogawa Z dependence of the N = 152 deformed shell gap: In-beam γ-ray spectroscopy of neutron-rich 245, 246Pu NUCLEAR REACTIONS 244Pu(18O, 17O), (18O, 16O), E=162 MeV; measured Eγ, Iγ, γγ-coin, half-lives. 245,246Pu; deduced levels, J, π, configurations. Compared with experimental and calculated values for the first 2+ level energy in 232,234,236,238,240,242U, 234,236,238,240,242,244,248Pu, 240,242,244,246,248,250Cm, 244,246,248,250,252,254Cf, 250,252,254,256Fm, 248,250,252,254,256,258No. 247Cm, 249Cf, 251Fm, 253No; systematics.
doi: 10.1103/PhysRevC.76.061301
2007TO14 Phys.Rev. C 75, 054606 (2007) T.Toshito, K.Kodama, L.Sihver, K.Yusa, M.Ozaki, K.Amako, S.Kameoka, K.Murakami, T.Sasaki, S.Aoki, T.Ban, T.Fukuda, M.Komatsu, H.Kubota, N.Naganawa, T.Nakamura, T.Nakano, M.Natsume, K.Niwa, S.Takahashi, J.Yoshida, H.Yoshida, M.Kanazawa, N.Kanematsu, M.Komori, S.Sato, M.Asai, T.Koi, C.Fukushima, S.Ogawa, M.Shibasaki, H.Shibuya Measurements of total and partial charge-changing cross sections for 200- to 400-MeV/nucleon 12C on water and polycarbonate NUCLEAR REACTIONS H, C, O(12C, X), E=200, 400 MeV/nucleon; measured total and partial charge changing cross sections.
doi: 10.1103/PhysRevC.75.054606
2006AL34 IEEE trans.nucl.sci. 53, 270 (2006) J.Allison, K.Amako, J.Apostolakis, H.Araujo, P.Arce Dubois, M.Asai, G.Barrand, R.Capra, S.Chauvie, R.Chytracek, G.A.P.Cirrone, G.Cooperman, G.Cosmo, G.Cuttone, G.G.Daquino, M.Donszelmann, M.Dressel, G.Folger, F.Foppiano, J.Generowicz, V.Grichine, S.Guatelli, P.Gumplinger, A.Heikkinen, I.Hrivnacova, A.Howard, S.Incerti, V.Ivanchenko, T.Johnson, F.Jones, T.Koi, R.Kokoulin, M.Kossov, H.Kurashige, V.Lara, S.Larsson, F.Lei, O.Link, F.Longo, M.Maire, A.Mantero, B.Mascialino, I.McLaren, P.Mendez Lorenzo, K.Minamimoto, K.Murakami, P.Nieminen, L.Pandola, S.Parlati, L.Peralta, J.Perl, A.Pfeiffer, M.G.Pia, A.Ribon, P.Rodrigues, G.Russo, S.Sadilov, G.Santin, T.Sasaki, D.Smith, N.Starkov, S.Tanaka, E.Tcherniaev, B.Tome, A.Trindade, P.Truscott, L.Urban, M.Verderi, A.Walkden, J.P.Wellisch, D.C.Williams, D.Wright, H.Yoshida Geant4 Developments and Applications
doi: 10.1109/TNS.2006.869826
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
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
2006NI09 Phys.Atomic Nuclei 69, 1399 (2006) K.Nishio, H.Ikezoe, M.Asai, K.Tsukada, S.Mitsuoka, K.Tsuruta, K.Satou, C.J.Lin, T.Ohsawa Evidence of Complete Fusion in the Subbarrier 16O + 238U Reaction NUCLEAR REACTIONS 238U(16O, 4n), (16O, 5n), (16O, 6n), E(cm)=70-95 MeV; measured evaporation residue σ; deduced reaction mechanism features. Comparison with statistical model predictions. RADIOACTIVITY 248,249,250Fm(α) [from 238U(16O, xn)]; measured Eα, T1/2.
doi: 10.1134/S1063778806080187
2005AS01 Eur.Phys.J. A 23, 395 (2005) M.Asai, M.Sakama, K.Tsukada, S.Ichikawa, H.Haba, I.Nishinaka, Y.Nagame, S.Goto, Y.Kojima, Y.Oura, H.Nakahara, M.Shibata, K.Kawade Proton-neutron configurations in 236g, mAm and its EC-decay daughter 236Pu RADIOACTIVITY 236,236mAm(EC) [from 235U(6Li, 5n)]; measured Eγ, Iγ, γγ-, (X-ray)γ-coin, T1/2; deduced log ft. 236Pu deduced levels, J, π, configurations, β-feeding intensities, B(E1), B(M1). 236Am deduced isomeric state J, π, configuration.
doi: 10.1140/epja/i2004-10096-6
2005AS05 Phys.Rev.Lett. 95, 102502 (2005) M.Asai, K.Tsukada, M.Sakama, S.Ichikawa, T.Ishii, Y.Nagame, I.Nishinaka, K.Akiyama, A.Osa, Y.Oura, K.Sueki, M.Shibata Experimental Identification of Spin-Parities and Single-Particle Configurations in 257No and Its α-Decay Daughter 253Fm RADIOACTIVITY 257No(α) [from 248Cm(13C, 4n)]; measured Eγ, Eα, E(ce), αγ-, (ce)α-coin; deduced branching ratios. 253Fm deduced levels, J, π, ICC, configurations. 257No deduced ground-state J, π, configuration.
doi: 10.1103/PhysRevLett.95.102502
2005IC02 Phys.Rev. C 71, 067302 (2005) S.Ichikawa, M.Asai, K.Tsukada, H.Haba, Y.Nagame, M.Shibata, M.Sakama, Y.Kojima β-decay half-lives of new neutron-rich rare-earth isotopes 159Pm, 162Sm, and 166Gd RADIOACTIVITY 159Pm, 162Sm, 166Gd, 166Tb(β-) [from 238U(p, F)]; measured Eγ, Iγ, βγ-, γγ-coin, T1/2. 166Tb deduced levels, β-feeding intensities.
doi: 10.1103/PhysRevC.71.067302
2005II01 Eur.Phys.J. A 23, 33 (2005) H.Iimura, M.Asai, S.Ichikawa, J.Katakura, M.Magara, A.Osa, M.Oshima, N.Shinohara, H.Yamamoto Levels in 127La fed by the 127Ce beta-decay RADIOACTIVITY 127Ce(β+), (EC) [from Mo(35Cl, xnp)]; measured Eγ, Iγ, E(ce), I(ce), βγ-, γγ-coin, T1/2. 127La deduced levels, J, π, T1/2, configurations. Comparison with Nilsson model predictions.
doi: 10.1140/epja/i2004-10067-y
2005IS07 Phys.Rev. C 72, 021301 (2005) T.Ishii, S.Shigematsu, M.Asai, A.Makishima, M.Matsuda, J.Kaneko, I.Hossain, S.Ichikawa, T.Kohno, M.Ogawa In-beam γ-ray spectroscopy of 240U using the (18O, 16O) reaction NUCLEAR REACTIONS 238U(18O, 16O), E=200 MeV; measured Eγ, Iγ, (particle)γ-coin, γ-ray anisotropy. 240U deduced levels, J, π, rotational bands, octupole correlations.
doi: 10.1103/PhysRevC.72.021301
2005NA46 Radiochim.Acta 93, 519 (2005) Y.Nagame, K.Tsukada, M.Asai, A.Toyoshima, K.Akiyama, Y.Ishii, T.Kaneko-Sato, M.Hirata, I.Nishinaka, S.Ichikawa, H.Haba, S.Enomoto, K.Matsuo, D.Saika, Y.Kitamoto, H.Hasegawa, Y.Tani, W.Sato, A.Shinohara, M.Ito, J.Saito, S.Goto, H.Kudo, H.Kikunaga, N.Kinoshita, A.Yokoyama, K.Sueki, Y.Oura, H.Nakahara, M.Sakama, M.Schadel, W.Bruchle, J.V.Kratz Chemical studies on rutherfordium (Rf) at JAERI NUCLEAR REACTIONS 248Cm(18O, 5n), E ≈ 90-100 MeV; measured excitation function. Chemical properties of rutherfordium studied.
doi: 10.1524/ract.2005.93.9-10.519
2004AS12 Eur.Phys.J. A 22, 411 (2004) M.Asai, M.Sakama, K.Tsukada, S.Ichikawa, H.Haba, I.Nishinaka, Y.Nagame, S.Goto, Y.Kojima, Y.Oura, H.Nakahara, M.Shibata, K.Kawade EC and α decays of 235Am RADIOACTIVITY 235Am(EC), (α) [from 233U(6Li, 4n)]; measured Eγ, Iγ, Eα, X-ray spectra, γγ-, αγ-coin; deduced log ft, Qα. 235Am deduced ground-state J, π. 235Pu deduced levels, J, π, ICC, β-feeding intensities. 231Np deduced level energy. Level systematics in neighboring nuclides discussed.
doi: 10.1140/epja/i2004-10044-6
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
2004MI43 Nucl.Instrum.Methods Phys.Res. A533, 404 (2004) H.Miyahara, K.Katoh, K.Ikeda, K.Fujiki, I.Nishinaka, K.Tsukada, Y.Nagame, M.Asai, S.Ichikawa, H.Haba Gamma-ray emission probability measurement of 149Eu RADIOACTIVITY 149Eu(EC) [from 149Sm(p, n)]; measured Eγ, Iγ; deduced branching ratios, emission probabilities. 149Sm deduced transition intensities, internal conversion probabilities.
doi: 10.1016/j.nima.2004.06.171
2004NA10 Nucl.Phys. A734, 124 (2004) Y.Nagame, H.Haba, K.Tsukada, M.Asai, A.Toyoshima, S.Goto, K.Akiyama, T.Kaneko, M.Sakama, M.Hirata, T.Yaita, I.Nishinaka, S.Ichikawa, H.Nakahara Chemical studies of the heaviest elements
doi: 10.1016/j.nuclphysa.2004.01.021
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
2004SA05 Phys.Rev. C 69, 014308 (2004) M.Sakama, M.Asai, K.Tsukada, S.Ichikawa, I.Nishinaka, Y.Nagame, H.Haba, S.Goto, M.Shibata, K.Kawade, Y.Kojima, Y.Oura, M.Ebihara, H.Nakahara α-decays of neutron-deficient americium isotopes RADIOACTIVITY 233,234,235,236Am, 229Np(α) [from 233,235U(6Li, xn) and subsequent decay]; measured Eα, Iα, T1/2, Eγ, X-ray spectra, αγ-coin; deduced hindrance factors. 233,235,236Am deduced Qα. Mass separator. NUCLEAR REACTIONS 235U(6Li, 5n), 233U(6Li, 4n), (6Li, 5n), (6Li, 6n), E ≈ 34-60 MeV; measured production σ.
doi: 10.1103/PhysRevC.69.014308
2003AS01 Eur.Phys.J. A 16, 17 (2003) M.Asai, K.Tsukada, S.Ichikawa, M.Sakama, H.Haba, Y.Nagame, I.Nishinaka, K.Akiyama, A.Toyoshima, T.Kaneko, Y.Oura, Y.Kojima, M.Shibata Identification of the new isotope 241Bk NUCLEAR REACTIONS 239Pu(6Li, 4n), E=34-42 MeV; measured prompt and delayed Eγ, Iγ, (X-ray)γ-, (recoil)γ-coin; deduced evidence for 241Bk. Isotope separator. RADIOACTIVITY 241Bk(EC) [from 239Pu(6Li, 4n)]; measured Eγ, Iγ, (X-ray)γ-coin, T1/2; deduced ground-state configuration.
doi: 10.1140/epja/i2002-10112-y
2003GO01 J.Radioanal.Nucl.Chem. 255, 73 (2003) S.Goto, D.Kaji, I.Nishinaka, Y.L.Nagame, S.Ichikawa, K.Tsukada, M.Asai, H.Haba, S.Mitsuoka, K.Nishio, M.Sakama, Y.Zhao, K.Sueki, K.Tanikawa, K.Takamiya, H.Kudo, H.Nakahara Characteristics of the asymmetric mass distribution in proton-induced fission of actinides NUCLEAR REACTIONS 232Th, 233,235,238U(p, F), E=13, 15 MeV; measured fission fragment mass distributions; deduced fragment shell structure effects.
doi: 10.1023/A:1022271529219
2003HO31 Phys.Rev. C 68, 054306 (2003); Erratum Phys.Rev. C 68, 069901 (2003) L.Hou, T.Ishii, M.Asai, J.Hori, K.Ogawa, H.Nakada Measurement of B(M1) for the πp3/2νp1/2-1 doublet in 68Cu RADIOACTIVITY 68mCu(IT) [from 68Zn(n, p)]; measured Eγ, Iγ, γγ-coin. 68Cu deduced levels J, π, T1/2, configurations, B(M1). Comparison with model predictions.
doi: 10.1103/PhysRevC.68.054306
2003NA10 Yad.Fiz. 66, 1167 (2003); Phys.Atomic Nuclei 66, 1131 (2003) Y.Nagame, M.Asai, H.Haba, K.Tsukada, I.Nishinaka, S.Goto, A.Toyoshima, K.Akiyama, M.Sakama, Y.L.Zhao, S.Ichikawa, H.Nakahara Heavy Element Nuclear Chemistry at JAERI NUCLEAR REACTIONS 248Cm(18O, 5n), E=92-99 MeV; 248Cm(19F, 5n), E=106 MeV; measured σ. RADIOACTIVITY 233,234,235,236,236mAm, 237,238Cm(α), (EC) [from 233,235U, 237Np(6Li, xn)]; measured T1/2, Eα, α-branching ratios.
doi: 10.1134/1.1586427
2003NI01 Phys.Rev. C 67, 014604 (2003) K.Nishio, H.Ikezoe, Y.Nagame, S.Mitsuoka, I.Nishinaka, L.Duan, K.Satou, S.Goto, M.Asai, H.Haba, K.Tsukada, N.Shinohara, S.Ichikawa, T.Ohsawa Fragment mass distribution of the 239Pu(d, pf) reaction via the superdeformed β-vibrational resonance NUCLEAR REACTIONS 239Pu(d, pF), E=13.5 MeV; measured Ep, (fragment)p-coin, fission fragment mass yields; deduced mass distribution for fission from superdeformed resonance. 240Pu deduced fission mechanism features.
doi: 10.1103/PhysRevC.67.014604
2002AS08 J.Nucl.Radiochem.Sci. 3, No 1, 187 (2002) M.Asai, M.Sakama, K.Tsukada, S.Ichikawa, H.Haba, I.Nishinaka, Y.Nagame, S.Goto, K.Akiyama, A.Toyoshima, Y.Kojima, Y.Oura, H.Nakahara, M.Shibata, K.Kawade Decay Studies of Neutron-deficient Am, Cm, and Bk Nuclei Using an On-line Isotope Separator RADIOACTIVITY 235,236Am(EC) [from 233,235U(6Li, xn)]; measured prompt and delayed Eγ, Iγ, γγ-coin; deduced log ft. 235,236Pu deduced levels, J, π, configurations. 233,234,235,236Am, 237,238Cm(α) [from 233,235U, 237Np(6Li, xn)]; measured Eα, T1/2. Isotope separator.
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2002GO43 J.Nucl.Radiochem.Sci. 3, No 1, 63 (2002) S.Goto, D.Kaji, I.Nishinaka, Y.Nagame, S.Ichikawa, K.Tsukada, M.Asai, H.Haba, S.Mitsuoka, K.Nishio, M.Sakama, Y.L.Zhao, K.Sueki, M.Tanikawa, K.Takamiya, H.Kudo, H.Nakahara Systematic Studies of Asymmetric Mass Distributions in Proton-induced Fission of Actinides NUCLEAR REACTIONS 239,242,244Pu(p, F), E=13 MeV; measured fission fragment kinetic energy and mass distributions; deduced shell effects.
2002IC04 Nucl.Instrum.Methods Phys.Res. B187, 548 (2002) S.Ichikawa, K.Tsukada, M.Asai, H.Haba, M.Sakama, Y.Kojima, M.Shibata, Y.Nagame, Y.Oura, K.Kawade Performance of the multiple target He/PbI2 aerosol jet system for mass separation of neutron-deficient actinide isotopes NUCLEAR REACTIONS 233U(6Li, 4n)235Am, E=52 MeV; 141Pr(6Li, 4n)143Sm, E=37.2 MeV; 237Np(6Li, 6n)237Cm, E=62 MeV; measured reaction products, Eα, Iα. 233,234,235,236Am; decay products energies and T1/2. The isotope separator on line (JAERI-ISOL) at the JAERI tandem accelerator facility.
doi: 10.1016/s0168-583x(01)01145-4
2002IS03 Eur.Phys.J. A 13, 15 (2002) T.Ishii, M.Asai, A.Makishima, I.Hossain, P.Kleinheinz, M.Ogawa, M.Matsuda, S.Ichikawa Gamma-Ray Spectroscopy of the Neutron-Rich Ni Region Through Heavy-Ion Deep-Inelastic Collisions NUCLEAR REACTIONS 198Pt(76Ge, X), E=8 MeV/nucleon; measured Eγ, (recoil)γ-coin. 68Ni deduced levels, J, π, isomeric states T1/2. 78Zn, 80Ge, 82Se, 84Kr, 86Sr, 88Zr, 90Mo, 92Ru, 94Pd; analyzed levels, transitions populated by isomer decay.
doi: 10.1007/s10050-002-8711-7
2002KA28 J.Nucl.Sci.Technol.(Tokyo) 39, 329 (2002) K.Katoh, H.Miyahara, N.Marnada, N.Ueda, K.Ikeda, K.Fujiki, H.Haba, I.Nishinaka, K.Tsukada, Y.Nagame, M.Asai, S.-I.Ichikawa Production of 147Eu for Gamma-Ray Emission Probability Measurement NUCLEAR REACTIONS 147Sm(p, n), (p, 2n), E=6.7-18.0 MeV; measured production σ. Activation technique, comparison with model predictions.
doi: 10.1080/18811248.2002.9715197
2002KO02 Appl.Radiat.Isot. 56, 543 (2002) Y.Kojima, M.Asai, M.Shibata, K.Kawade, A.Taniguchi, A.Osa, M.Koizumi, T.Sekine Decay Scheme of 126La Isomers RADIOACTIVITY 126La(EC), (β+) [from 94Mo(36Ar, 3pn)]; measured Eγ, Iγ, γγ-coin, E(ce), I(ce), T1/2; deduced log ft. 126La deduced isomers J, π. 126Ba deduced levels, J, π, ICC, δ. Mass separator.
doi: 10.1016/S0969-8043(01)00248-2
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
2002SH23 Nucl.Phys. A701, 524c (2002) S.Shimizu, E.Doumoto, M.Yagi, M.Asai, M.Nakamura, Y.Hirayama, K.Horie, T.Shigematsu, H.Izumi, T.Shimoda, N.Takahashi Spin Polarization of Low-Energy Radioactive Nuclear Beams by Tilted-Foil Technique
doi: 10.1016/S0375-9474(01)01639-6
2002SH24 Nucl.Phys. A701, 583c (2002) T.Shimoda, S.Shimizu, E.Doumoto, M.Yagi, M.Asai, M.Nakamura, Y.Hirayama, K.Horie, T.Shigematsu, H.Izumi, N.Takahashi A Spin Polarizer for Radioactive Nuclear Beams by Taking Advantage of Polarized Electron Transfer Reactions
doi: 10.1016/S0375-9474(01)01649-9
2001AS02 Nucl.Instrum.Methods Phys.Res. A463, 205 (2001) M.Asai, K.Kawade, M.Shibata, Y.Kojima, A.Osa, M.Koizumi, T.Sekine Normalization of γ-γ Angular Correlation Coincidence Counts using Characteristic X-Rays RADIOACTIVITY 126,128La(EC) [from Mo(36Ar, xnyp)]; measured Eγ, Iγ, γγ-, (X-ray)γ-coin. 126,128Ba transitions deduced angular correlation parameters. Mass-separated sources.
doi: 10.1016/S0168-9002(01)00301-1
2001IS02 Acta Phys.Pol. B32, 739 (2001) T.Ishii, M.Asai, M.Matsuda, S.Ichikawa, A.Makishima, I.Hossain, P.Kleinheinz, M.Ogawa Nano-Second Isomers in Neutron-Rich Ni Region Produced by Deep-Inelastic Collisions NUCLEAR REACTIONS 198Pt(76Ge, X)64Cu/66Cu/67Cu/69Cu/66Ni/68Ni/64Co, E=8 MeV/nucleon; measured Eγ, Iγ, (fragment)γ-coin following deep-inelastic collisions. 68Ni deduced isomer T1/2, configuration. Other reactions discussed.
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2001NA30 Acta Phys.Hung.N.S. 13, 121 (2001) Y.Nagame, Y.L.Zhao, I.Nishinaka, S.Goto, M.Tanikawa, K.Tsukada, M.Asai, H.Haba, M.Sakama, S.Ichikawa, K.Sueki, H.Nakahara Symmetric and Asymmetric Scission Properties
doi: 10.1556/APH.13.2001.1-3.13
2001NA46 Radiochim.Acta 89, 681 (2001) Y.Nagame, Y.L.Zhao, I.Nishinaka, S.Goto, D.Kaji, M.Tanikawa, K.Tsukada, M.Asai, H.Haba, M.Sakama, S.Ichikawa, K.Sueki, H.Kudo, H.Nakahara Characteristics of Two Fission Modes NUCLEAR REACTIONS 232Th, 238U, 244Pu, 248Cm(p, F), E=11-16 MeV; measured fission fragments total kinetic energies, mass yield distributions; deduced two fission modes, deformation effects.
2000AS05 Phys.Rev. C62, 054313 (2000) M.Asai, T.Ishii, A.Makishima, I.Hossain, M.Ogawa, S.Ichikawa Nanosecond Isomers in Neutron-Rich 67Cu and 64Co and a Fast E3 Transition in 67Cu NUCLEAR REACTIONS 198Pt(76Ge, X), E=635 MeV; measured Eγ, Iγ(t), γγ-, (projectile-like fragment)γ-coin, angular correlations. 67Cu, 64Co deduced levels, J, π, configurations, B(M1), B(E3), isomers T1/2. Particle-octupole vibration coupling.
doi: 10.1103/PhysRevC.62.054313
2000IS01 Phys.Rev.Lett. 84, 39 (2000) T.Ishii, M.Asai, A.Makishima, I.Hossain, M.Ogawa, J.Hasegawa, M.Matsuda, S.Ichikawa Core-Excited States in the Doubly Magic 68Ni and Its Neighbor 69Cu NUCLEAR REACTIONS 198Pt(70Zn, X), E=8 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γ-coin. RADIOACTIVITY 68Ni, 69Cu(IT) [from 198Pt(70Zn, X)]; measured Eγ, Iγ(t), γγ-coin. 68Ni, 69Cu deduced levels, J, π, configurations, isomeric states T1/2.
doi: 10.1103/PhysRevLett.84.39
2000SA52 Eur.Phys.J. A 9, 303 (2000) M.Sakama, K.Tsukada, M.Asai, S.Ichikawa, H.Haba, S.Goto, Y.Oura, I.Nishinaka, Y.Nagame, M.Shibata, Y.Kojima, K.Kawade, M.Ebihara, H.Nakahara New Isotope 233Am RADIOACTIVITY 233Am, 229Np(α), (EC) [from 233U(6Li, X), E=63 MeV]; measured Eα, T1/2, α-branching ratio, αα(t), (x-ray)α-coin following mass separation. Comparison with results of nearby isotopes, ISOL technique. NUCLEAR REACTIONS 233U(6Li, X), E=63 MeV; measured α spectra, αα-coin following compound nucleus decay; deduced evidence for 233Am.
doi: 10.1007/s100500070013
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
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
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
1998HO15 Phys.Rev. C58, 1318 (1998) I.Hossain, T.Ishii, A.Makishima, M.Asai, S.Ichikawa, M.Itoh, M.Ishii, P.Kleinheinz, M.Ogawa Lifetime Measurement of the πg9/2 Isomer in 79As NUCLEAR REACTIONS 198Pt(76Ge, X), E=550, 635 MeV; 198Pt(74Ge, X), E=625 MeV; measured Eγ, Iγ(t), (projectile-like fragment)γ-coin; deduced isotopic yields. 79As deduced isomeric level T1/2, B(M2), configuration. Systematics of B(M2) values in neighboring isotopes discussed.
doi: 10.1103/PhysRevC.58.1318
1998IC02 Phys.Rev. C58, 1329 (1998) S.Ichikawa, K.Tsukada, I.Nishinaka, Y.Hatsukawa, H.Iimura, K.Hata, Y.Nagame, M.Asai, Y.Kojima, T.Hirose, M.Shibata, K.Kawade, Y.Oura Identification of 161Sm and 165Gd NUCLEAR REACTIONS 238U(p, F), E=20 MeV; measured βγ-, γγ-coin following fission fragment decay; deduced evidence for 161Sm, 165Gd. Online isotope separator. RADIOACTIVITY 161Sm, 165Gd(β-); measured T1/2.
doi: 10.1103/PhysRevC.58.1329
1998IS11 Phys.Rev.Lett. 81, 4100 (1998) T.Ishii, M.Asai, I.Hossain, P.Kleinheinz, M.Ogawa, A.Makishima, S.Ichikawa, M.Itoh, M.Ishii, J.Blomqvist The (νg9/22πp3/2)19/2- Isomer in 71Cu and the Prediction of Its E2 Decay from the Shell Model NUCLEAR REACTIONS 198Pt(76Ge, X), E=635 MeV; measured Eγ, Iγ(t), γγ-, (projectile-like fragment)γ-coin, fragment spectra; deduced evidence for 71Cu. 71Cu deduced levels, J, π, isomeric state T1/2, configuration. Deep inelastic collisions. Shell model calculations.
doi: 10.1103/PhysRevLett.81.4100
1998KO06 Appl.Radiat.Isot. 49, 829 (1998) Y.Kojima, M.Asai, A.Osa, M.Koizumi, T.Sekine, M.Shibata, H.Yamamoto, K.Kawade Measurement of Q(EC) Values of 126La Isomers RADIOACTIVITY 126mLa(β+) [from 94Mo(36Ar, n3p)]; measured β-spectra, βγ-coin; deduced Q(EC) values. On-line mass separator.
doi: 10.1016/S0969-8043(97)00303-5
1998KO66 J.Phys.Soc.Jpn. 67, 3405 (1998) Y.Kojima, M.Asai, A.Osa, M.Koizumi, T.Sekine, M.Shibata, H.Yamamoto, K.Kawade, T.Tachibana QEC Measurement of 124, 125, 127-130La RADIOACTIVITY 124,125,127,128,129,130La(β+), (EC) [from Mo, 29Mo(36Ar, 3pxn), E=5.4 MeV/nucleon]; measured Eγ, Iγ, β-spectra, βγ-coin, T1/2; deduced Q(EC), masses. HPGe, on-line mass separation. ATOMIC MASSES 124,125,127,128,129,130La(β+), (EC) [from Mo, 29Mo(36Ar, 3pxn), E=5.4 MeV/nucleon]; measured Eγ, Iγ, β-spectra, βγ-coin, T1/2; deduced Q(EC), masses. HPGe, on-line mass separation.
doi: 10.1143/JPSJ.67.3405
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
1997AS05 Phys.Rev. C56, 3045 (1997) M.Asai, T.Sekine, A.Osa, M.Koizumi, Y.Kojima, M.Shibata, H.Yamamoto, K.Kawade Energy Systematics of Low-Lying 0+ States in Neutron-Deficient Ba Nuclei RADIOACTIVITY 128,130La, 130Pr(β+)(EC) [from Mo(36Ar, X), E=195 MeV]; 124,126La(β+)(EC) [from 92,94Mo(36Ar, X), E=195 MeV]; measured Eγ, Iγ, γγ(θ), γ(t); deduced low-spin isomers, β-decay branching ratios. 124,126,128,130Ba, 130Ce deduced levels, J, π. Model calculations, other nuclei compared. ISOL.
doi: 10.1103/PhysRevC.56.3045
1997AS07 Nucl.Instrum.Methods Phys.Res. A398, 265 (1997) M.Asai, K.Kawade, H.Yamamoto, A.Osa, M.Koizumi, T.Sekine A Five-HPGe Detector System for γ-γ Angular Correlation Measurements for Mass-Separated Short-Lived Nuclei RADIOACTIVITY 152Eu, 126La(β+), (EC); measured Eγ, Iγ, γγ(θ). 152Sm, 152Gd, 126Ba deduced transitions angular correlations parameters.
doi: 10.1016/S0168-9002(97)00807-3
1996AS05 J.Phys.Soc.Jpn. 65, 1135 (1996) M.Asai, K.Tsukada, S.Ichikawa, A.Osa, Y.Kojima, M.Shibata, H.Yamamoto, K.Kawade, N.Shinohara, Y.Nagame, H.Iimura, Y.Hatsukawa, I.Nishinaka Identification of a New Isotope 166Tb RADIOACTIVITY 166Tb(β-) [from 238U(p, F)]; measured Eγ, Iγ, βγ-, γγ-coin, T1/2; deduced log ft. 166Dy deduced levels, β-feeding intensity. Mass separator. NUCLEAR REACTIONS 238U(p, F), E=16 MeV; measured (fragment)γ-coin; deduced evidence for 166Tb. Mass separator.
doi: 10.1143/JPSJ.65.1135
1996IC01 Nucl.Instrum.Methods Phys.Res. A374, 330 (1996) S.Ichikawa, M.Asai, K.Tsukada, A.Osa, T.Ikuta, N.Shinohara, H.Iimura, Y.Nagame, Y.Hatsukawa, I.Nishinaka, K.Kawade, H.Yamamoto, M.Shibata, Y.Kojima Mass Separation of Neutron-Rich Isotopes using a Gas-Jet Coupled Thermal Ion Source NUCLEAR REACTIONS 238U(p, F), E=15 MeV; measured Eγ, Iγ following fission fragment decay, fragment yield vs mass number; deduced evidence for 166Tb; deduced production σ, reaction yields for 140,144Cs, 144Ba, 144,148La, 148Pr, 152Nd, 156Pm, 160Eu. Isotope separator plus gas-jet coupled thermal ion source. RADIOACTIVITY 166Tb(β-) [from 238U(p, F), E=15 MeV]; measured Eγ, Iγ, T1/2. Monoxide ions from gas-jet coupled thermal ion source used in conjunction with isotope separator.
doi: 10.1016/0168-9002(96)00086-1
1996MA80 Nucl.Instrum.Methods Phys.Res. A376, 335 (1996) K.Maruyama, G.Garino, S.Kato, M.Koike, Y.Murata, M.Mutou, K.Niki, K.Yoshida, M.Asai, S.Asano, I.Endo, S.Endo, M.Harada, S.Kasai, K.Miyamoto, Y.Sumi, A.Sasaki, K.Hossain, Z.Papandreou, H.Hasai, K.Iwatani, A.Leone, R.Perrino, Y.Wada, T.Maki, F.Farzanpay, G.M.Huber, M.Iurescu, G.J.Lolos, A.Weinerman, A.Hisadomi, H.Itoh, S.Maruo, H.Murooka, R.Naridomi, T.Ogata, J.C.Kim, B.Lasiuk, C.Rangacharyulu, O.Konno, A.Shinozaki, T.Terasawa, H.Yamazaki, K.Maeda, T.Suda, H.Shimizu, T.Emura, H.Hirosawa, K.Niwa, H.Miyamoto, K.Nagata, H.Yamashita The Large-Acceptance Spectrometer TAGX for Photoreaction Studies at the 1.3-GeV Tokyo Electron Synchrotron NUCLEAR REACTIONS 4He(γ, X), E=1.3 GeV; compiled, reviewed ppn production associated missing mass distribution data, other aspects. Large acceptance spectrometer TAGX.
doi: 10.1016/0168-9002(96)00244-6
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
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
1993AS01 Z.Phys. A344, 335 (1993) M.Asai, I.Endo, M.Harada, S.Kasai, K.Niki, Y.Sumi, S.Kato, K.Maruyama, Y.Murata, M.Muto, K.Yoshida, K.Iwatani, H.Hasai, H.Ito, T.Maki, C.Rangacharyulu, H.Shimizu, Y.Wada, and the TAGX Collaboration The Reaction γ + d → π+ + π- + p + n between 570 and 850 MeV and Δ++ Δ- Production NUCLEAR REACTIONS 2H(γ, π+π-), E=570-850 MeV; measured missing mass distributions; deduced different mechanisms contributions. Kinematically complete experiment.
doi: 10.1007/BF01303029
1993IK02 J.Nucl.Sci.Technol.(Tokyo) 30, 967 (1993) Y.Ikeda, C.Konno, K.Kosako, M.Asai, K.Kawade, H.Maekawa Measurement of the 93Nb(n, n')93mNb Reaction Cross Section at 14.5 and 14.9 MeV NUCLEAR REACTIONS 93Nb(n, n'), E=14.5, 14.9 MeV; measured σ. Activation technique.
doi: 10.1080/18811248.1993.9734576
1993SH23 Appl.Radiat.Isot. 44, 923 (1993) M.Shibata, M.Asai, T.Ikuta, H.Yamamoto, J.Ruan, K.Okano, K.Aoki, K.Kawade Decay Scheme of Mass-Separated 152Nd RADIOACTIVITY 152Nd(β-) [from 235U(n, F), E=reactor]; measured Eγ, Iγ, I(ce), γγ-coin. 152Pm deduced levels, γ-multipolarity, ICC.
doi: 10.1016/0969-8043(93)90046-D
1990AS03 Phys.Rev. C42, 837 (1990) M.Asai, I.Endo, M.Harada, S.Kasai, K.Niki, Y.Sumi, S.Kato, K.Maruyama, Y.Murata, M.Muto, K.Yoshida, K.Iwatani, H.Hasai, H.Ito, T.Maki, C.Rangacharyulu, H.Shimizu, Y.Wada, and the TAGX Collaboration Total Cross Section for the γd → π-pp Reaction between 380 and 840 MeV NUCLEAR REACTIONS 2H(γ, π-p), E=380-840 MeV; measured σ(E); deduced dibaryon resonance upper limit. Tagged photon beam, large-acceptance magnetic spectrometer.
doi: 10.1103/PhysRevC.42.837
1987AS02 Phys.Lett. 187B, 249 (1987) M.Asai, K.Baba, T.Emura, A.Imanishi, S.Kasai, Y.Kim, T.Miyachi, Y.Morita, M.Nishimura, Y.Sumi, K.Takahashi, H.Tezuka, Y.Wada Measurement of the Cross Section for γd → π0d at 140° ≤ θ(CM) ≤ 156° NUCLEAR REACTIONS 2H(γ, π0), E=500-1000 MeV; measured σ(Eγ, θπ), σ(θπ). Liquid target.
doi: 10.1016/0370-2693(87)91090-2
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