Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Eiko Takekoshi"'
Autor:
Y. Ishizaki, Eiko Takekoshi, Tadashi Takemasa, Nobuyuki Matsuoka, Masaaki Kanazawa, Jirohta Kasagi, H. Orihara, Katsuji Koyama
Publikováno v:
Journal of the Physical Society of Japan. 36:336-340
The (p, t) reaction at E p =52 MeV has been used to study differential cross sections and cross section ratios of the ground state band members in 236 U and 230 Th. Experimental results were compared with the usual zero-range DWBA calculations, where
Publikováno v:
Nuclear Instruments and Methods. 158:333-338
We have found a preparation method of long-lived carbon foils 10 μ g/cm 2 thick for heavy ion strippers of tandem electrostatic accelerators. The lifetimes were 5–10 h under bombardment by 3.5 MeV Ar + beams with an intensity of 1 μ A/13 mm 2 . T
Autor:
Eiko Takekoshi
Publikováno v:
Journal of the Physical Society of Japan. 15:2129-2136
Multipolarity of γ-ray absorption in U 238 (γ, f ) reaction, produced by monochromatic γ rays from F( p , αγ) reactions, has been investigated by the analysis of the angular distribution of 1018 tracks of fission fragments in uranium-impregnated
Autor:
Eiko Takekoshi
Publikováno v:
Journal of the Atomic Energy Society of Japan / Atomic Energy Society of Japan. 12:187-190
A review is presented on the current status of progress in fission Studies, both experimental and theoretical. Special emphasis is laid on developments related to nuclear shell effects in the fissioning nucleus.
Publikováno v:
Journal of the Physical Society of Japan. 12:109-113
The mechanism of the 12 C(γ, 3α) reaction for (Li, p )γ-rays has been estimated from a study of 576 stars in nuclear emulsions. By the analysis of the angular distributions and correlation of the α-particles, the multipolarity of the absorption p
Publikováno v:
Journal of the Atomic Energy Society of Japan / Atomic Energy Society of Japan. 14:340-356
A note is presented on the present status of the delayed neutron study, in reference to (1) delayed neutron precursors in the field of nuclear physics, (2) delayed neutron parameters relating to the reactor kinetics, (3) an applied problem-nondistruc
Publikováno v:
Journal of the Physical Society of Japan. 13:129-132
The angular and energy distributions of alpha particles resulting from Co 59 ( n , α)Mn 56 and Mn 55 ( n , α)V 52 reactions induced by 14.8-Mev neutrons were measured with Ilford C2 nuclear plates. As in the case of Al 27 ( n , α)Na 24 reaction, t
Autor:
Kazusuke Sugiyama, Haruo Natsume, Eiko Takekoshi, Zyun-Itirō Matsumoto, S. Hayashibe, Mitsuhiko Ishii, Hiroshi Sekiguchi
Publikováno v:
Journal of the Physical Society of Japan. 19:587-605
The level scheme of Sm 146 fed from (4.59±0.03)-days Eu 146 has been investigated with scintillation spectrometers, beta-ray spectrometers, gamma-gamma and Ke - -gamma coincidences, and directional correlation techniques. From the measurements of in
Autor:
Eiko Takekoshi, Yoshihiro Tsukihashi
Publikováno v:
Journal of the Physical Society of Japan. 42:1773-1774
The 239 Pu fission isomer with T 1/2 =8 µs has been produced in the ( n , n ') reactions with 3–5 MeV pulsed neutrons from the D + d reaction ( E d =1.8 MeV), and the ratio (σ i /σ f ) of cross section (σ i ) for the formation of fission isomer
Publikováno v:
Physical Review. 106:155-156
Samples of aluminum foil inserted between two C2 nuclear plates were bombarded with 14.8-Mev neutrons, and the angular and energy distributions of the alpha particles resulting from ${\mathrm{Al}}^{27}(n, \ensuremath{\alpha}){\mathrm{Na}}^{24}$ react