NSR Query Results
Output year order : Descending NSR database version of May 3, 2024. Search: Author = M.Sakama Found 26 matches. 2014SA41 Nucl.Data Sheets 120, 250 (2014) M.Sakama, Y.Nagano, T.Kitade, O.Shikino, S.Nakayama Correlation between Asian Dust and Specific Radioactivities of Fission Products Included in Airborne Samples in Tokushima, Shikoku Island, Japan, Due to the Fukushima Nuclear Accident
doi: 10.1016/j.nds.2014.07.059
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
2011SA67 J.Korean Phys.Soc. 59, 1995s (2011) M.Sakama, T.Saze, K.Maeda, K.Akamatsu, E.Honda, H.Nishitani The Distribution of Thermal Neutron Fluxes into the Self-Shielded Wall Equipped with a Medical Self-Shielded PET (Positron Emission Tomography) Cyclotron
doi: 10.3938/jkps.59.1995
2008YA05 Phys.Rev. C 77, 021303 (2008) T.Yamagata, H.Akimune, S.Nakayama, Y.Banshou, M.Fujiwara, K.Fushimi, M.B.Greenfield, K.Hara, K.Y.Hara, H.Hashimoto, H.Ikemizu, K.Kawase, M.Kinoshita, K.Nakanishi, M.Ohta, M.Sakama, M.Tanaka, H.Utsunomiya, N.Warashina, M.Yosoi Evidence for charged-particle decay of dipole-excited 4H clusters embedded in 6He and 7He NUCLEAR REACTIONS 6,7Li(7Li, 7Be), E=455 MeV; measured charged particle spectra, (particle)(particle)-coin, branching ratios. 6,7He; measured decay channels, dipole resonances for charged particle decay.
doi: 10.1103/PhysRevC.77.021303
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
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
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
2004NA04 Nucl.Phys. A731, 355 (2004) S.Nakayama, T.Yamagata, H.Akimune, M.Fujiwara, K.Fushimi, M.B.Greenfield, K.Hara, K.Y.Hara, K.Hashimoto, K.Ichihara, K.Kawase, Y.Matsui, K.Nakanishi, M.Sakama, M.Tanaka, M.Yosoi t + 3He molecular structures in 6Li studied by (3He, α) reaction at 450 MeV NUCLEAR REACTIONS 7Li(3He, α), E=450 MeV; measured Eα, Iα, particle correlations following residual nucleus decay. 6Li deduced resonance energies, widths, cluster features.
doi: 10.1016/j.nuclphysa.2003.11.048
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
2004NA12 Nucl.Phys. A734, 461 (2004) S.Nakayama, T.Yamagata, H.Akimune, M.Fujiwara, K.Fushimi, M.B.Greenfield, K.Hara, K.Y.Hara, H.Hashimoto, K.Ichihara, K.Kawase, Y.Matsui, K.Nakanishi, M.Sakama, M.Tanaka, M.Yosoi Tri-nucleon cluster-states in 6Li NUCLEAR REACTIONS 7Li(3He, α), E=450 MeV; measured Eα, decay particle spectra. 6Li deduced resonance energies, widths, cluster structure.
doi: 10.1016/j.nuclphysa.2004.01.086
2004NA14 Phys.Rev. C 69, 041304 (2004) S.Nakayama, T.Yamagata, H.Akimune, M.Fujiwara, K.Fushimi, M.B.Greenfield, K.Hara, K.Y.Hara, H.Hashimoto, K.Ichihara, K.Kawase, H.Matsui, K.Nakanishi, M.Sakama, M.Tanaka, M.Yosoi Trinucleon cluster structures in 6Li NUCLEAR REACTIONS 7Li(3He, α), E=450 MeV; measured Eα, decay particle spectra, angular correlations. 6Li deduced resonance energies, widths, cluster structure.
doi: 10.1103/PhysRevC.69.041304
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
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
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
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.
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.
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
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