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NSR database version of May 20, 2024.

Search: Author = K.Ukai

Found 18 matches.

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1993OH02      Phys.Rev. D47, 4840 (1993)

T.Ohshima, H.Sakamoto, T.Sato, J.Shirai, T.Tsukamoto, Y.Sugaya, K.Takahashi, T.Suzuki, C.Rosenfeld, S.Wilson, K.Ueno, Y.Yonezawa, H.Kawakami, S.Kato, S.Shibata, K.Ukai

No 17 keV Neutrino: Admixture < 0.073% (95% C.L.)

RADIOACTIVITY 63Ni(β-); measured β-spectra; deduced 17 keV ν admixing with ν(e) upper limit. High confidence limit, magnetic spectrometer.

doi: 10.1103/PhysRevD.47.4840
Citations: PlumX Metrics


1992KA29      Phys.Lett. 287B, 45 (1992)

H.Kawakami, S.Kato, T.Ohshima, C.Rosenfeld, H.Sakamoto, T.Sato, S.Shibata, J.Shirai, Y.Sugaya, T.Suzuki, K.Takahashi, T.Tsukamoto, K.Ueno, K.Ukai, S.Wilson, Y.Yonezawa

High Sensitivity Search for a 17 keV Neutrino. Negative Indication with an Upper Limit of 0.095%

RADIOACTIVITY 63Ni(β-); measured β-spectrum near 17 keV ν-threshold; deduced no 17 keV ν indication, admixture upper limit.

doi: 10.1016/0370-2693(92)91874-9
Citations: PlumX Metrics


1991KA40      J.Phys.(London) G17, S283 (1991)

H.Kawakami, S.Kato, T.Ohshima, S.Shibata, K.Ukai, N.Morikawa, N.Nogawa, K.Haga, T.Nagafuchi, M.Shigeta, Y.Fukushima, T.Taniguchi

New Upper Limit for the Electron Anti-Neutrino Mass from a Third Measurement at INS

RADIOACTIVITY 3H(β-); measured β-spectrum Kurie plot; deduced electron anti-neutrino mass upper limit, 95% confidence limit. Large Langmuir-Blodgett film β-ray sources.

doi: 10.1088/0954-3899/17/S/030
Citations: PlumX Metrics


1991KA41      Phys.Lett. 256B, 105 (1991)

H.Kawakami, S.Kato, T.Ohshima, S.Shibata, K.Ukai, N.Morikawa, N.Nogawa, K.Haga, T.Nagafuchi, M.Shigeta, Y.Fukushima, T.Taniguchi

New Upper Bound on the Electron Anti-Neutrino Mass

RADIOACTIVITY 3H(β-); measured β-spectra, Auger spectra response functions, 109Cd reference source; deduced anti-neutrino mass upper bound, 95% compound limit.

doi: 10.1016/0370-2693(91)90226-G
Citations: PlumX Metrics


1988AS02      Nucl.Phys. B296, 493 (1988)

D.Aston, N.Awaji, T.Bienz, F.Bird, J.D'Amore, W.Dunwoodie, R.Endorf, K.Fujii, H.Hayashii, S.Iwata, W.B.Johnson, R.Kajikawa, P.Kunz, D.W.G.S.Leith, L.Levinson, T.Matsui, B.T.Meadows, A.Miyamoto, M.Nussbaum, H.Ozaki, C.O.Pak, B.N.Ratcliff, D.Schultz, S.Shapiro, T.Shimomura, P.K.Sinervo, A.Sugiyama, S.Suzuki, G.Tarnopolsky, T.Tauchi, N.Toge, K.Ukai, A.Waite, S.Williams

A Study of K-π+ Scattering in the Reaction K-p → K-π+n at 11 GeV/c

NUCLEAR REACTIONS 1H(K-, K-π+), E at 11 GeV/c; measured (nπ+) invariant mass distribution.

doi: 10.1016/0550-3213(88)90028-4
Citations: PlumX Metrics


1988IM03      Nuovo Cim. 100A, 735 (1988)

A.Imanishi, T.Ishii, S.Kato, T.Miyachi, A.Nakamura, Y.Takeuchi, K.Ukai, K.Baba, Y.Morita, Y.Sumi, T.Noguchi, T.Ohmori, N.Shimura, K.Takahashi, Y.Wada, K.Kurita

Measurement of Large-Angle Cross-Sections for Coherent Pion Photoproduction on Deuteron

NUCLEAR REACTIONS 2H(γ, π0), E=0.5-1 GeV; measured σ(θ) vs E; deduced resonant, nonresonant contributions.

doi: 10.1007/BF02813321
Citations: PlumX Metrics


1988KA03      Phys.Lett. 127A, 175 (1988)

H.Kawakami, S.Kato, F.Naito, K.Nisimura, T.Ohshima, S.Shibata, T.Suzuki, K.Ukai, N.Morikawa, N.Nogawa, T.Nagafuchi, H.Taketani, M.Iwahashi, K.Hisatake, Y.Fukushima, T.Matsuda, T.Taniguchi

Precise Measurement of Ag KLM and KLN Auger Spectra

RADIOACTIVITY 109Cd(EC); measured Auger spectra in 109Ag.

doi: 10.1016/0375-9601(88)90096-5
Citations: PlumX Metrics


1988KA12      Nucl.Phys. A478, 433c (1988)

S.Kato, H.Kawakami, F.Naito, K.Nisimura, T.Ohshima, S.Shibata, T.Suzuki, K.Ukai, N.Morikawa, N.Nogawa, T.Nagafuchi, H.Taketani, M.Iwahashi, K.Hisatake, Y.Fukushima, T.Matsuda, T.Taniguchi

Neutrino Mass Studied by Measuring Tritium Beta-Decay with an Iron-Free Beta-Ray Spectrometer

RADIOACTIVITY 3H(β-); measured β-spectrum features; deduced neutrino mass upper limit. Other data input.

doi: 10.1016/0375-9474(88)90877-9
Citations: PlumX Metrics


1988KA32      J.Phys.Soc.Jpn. 57, 2873 (1988)

H.Kawakami, S.Kato, F.Naito, K.Nisimura, T.Ohshima, S.Shibata, T.Suzuki, K.Ukai, N.Morikawa, N.Nogawa, T.Nagafuchi, H.Taketani, M.Iwahashi, K.Hisatake, Y.Fukushima, T.Matsuda, T.Taniguchi

Neutrino Mass and End-Point Energy of 3H β-Decay

RADIOACTIVITY 3H(β-); measured E(β); deduced β-endpoint energy, electron antineutrino mass upper limit.

doi: 10.1143/JPSJ.57.2873
Citations: PlumX Metrics


1987IM02      Nucl.Phys. A462, 727 (1987)

A.Imanishi, S.Kato, T.Miyachi, Y.Takeuchi, K.Ukai, T.Ohmori, K.Takahashi, Y.Wada, Y.Morita, K.Kurita

Differential Cross Sections for Photoemission of Deuterons from Nitrogen Nucleus

NUCLEAR REACTIONS 14N(γ, d), E=725, 775, 825 MeV; measured deuteron momentum spectra, σ(θ) vs momentum. Quasideuteron, two-step model analyses.

doi: 10.1016/0375-9474(87)90573-2
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0577.


1987KA21      Phys.Lett. 121A, 414 (1987)

H.Kawakami, K.Nisimura, T.Ohshima, S.Shibata, Y.Shoji, I.Sugai, K.Ukai, T.Yasuda, N.Morikawa, N.Nogawa, T.Nagafuchi, F.Naito, T.Suzuki, H.Taketani, M.Iwahashi, K.Hisatake, M.Fujioka, Y.Fukushima, T.Matsuda, T.Taniguchi

Precise Measurement of Ag KLL Auger-Spectrum

RADIOACTIVITY 109Cd(EC); measured KLL Auger spectrum for 109Ag. Double focusing Fe-free β-ray spectrometer, 169Tm source standard.

doi: 10.1016/0375-9601(87)90489-0
Citations: PlumX Metrics


1987KA51      Phys.Lett. 187B, 198 (1987)

H.Kawakami, K.Nisimura, T.Ohshima, S.Shibata, Y.Shoji, I.Sugai, K.Ukai, T.Yasuda, N.Morikawa, N.Nogawa, T.Nagafuchi, F.Naito, T.Suzuki, H.Taketani, M.Iwahashi, K.Hisatake, M.Fujioka, Y.Fukushima, T.Matsuda, T.Taniguchi

An Upper Limit for the Mass of the Electron Anti-Neutrino from the INS Experiment

doi: 10.1016/0370-2693(87)90099-2
Citations: PlumX Metrics


1987OH12      Phys.Rev. C36, 2422 (1987)

Y.Ohashi, N.Awaji, H.Hayashii, N.Horikawa, A.Miyamoto, T.Nakanishi, S.Okumi, H.Ozaki, T.Tauchi, T.Ishii, S.Kato, H.Okuno, K.Ukai, K.Mori, Y.Takeuchi

Target Asymmetry Measurement in γd → pn at Photon Energies 300-700 MeV and Partial Wave Analysis

NUCLEAR REACTIONS 2H(γ, p), E=300-700 MeV; measured target asymmetry parameter A(θ); analyzed σ(θ), recoil proton polarization P(θ); deduced dibaryon role. Polarized target.

doi: 10.1103/PhysRevC.36.2422
Citations: PlumX Metrics


1985IM01      Phys.Rev.Lett. 54, 2497 (1985)

A.Imanishi, T.Ishii, S.Kato, T.Miyachi, A.Nakamura, Y.Takeuchi, K.Ukai, T.Noguchi, T.Ohmori, N.Shimura, K.Takahashi, K.Baba, Y.Morita, Y.Sumi, Y.Wada, K.Kurita

Neutral-Pion Photoproduction on the Deuteron

NUCLEAR REACTIONS 2H(γ, π0), E=0.5-1 GeV; measured σ(θ) vs E; deduced dibaryon resonance role. Glauber model.

doi: 10.1103/PhysRevLett.54.2497
Citations: PlumX Metrics


1985IS02      Nucl.Phys. B254, 458 (1985)

T.Ishii, K.Egawa, A.Imanishi, S.Kato, Y.Takeuchi, K.Ukai, M.Yoshika, T.Noguchi, T.Ohmori, N.Shimura, K.Takahashi, Y.Wada

Differential Cross Sections for Proton Compton Scattering at Incident Photon Energies between 900 MeV and 1150 MeV

NUCLEAR REACTIONS 1H(γ, γ), E=0.9-1.15 GeV; measured Compton scattering σ(θ).

doi: 10.1016/0550-3213(85)90228-7
Citations: PlumX Metrics


1982IS03      Phys.Lett. 110B, 441 (1982)

T.Ishii, S.Kato, H.Okuno, K.Ukai, Y.Ohashi, N.Awaji, H.Hayashii, N.Horikawa, K.Kimura, A.Miyamoto, T.Nakanishi, S.Okumi, H.Ozaki, A.Sugiyama, R.Suzaki, T.Tauchi, K.Mori, Y.Takeuchi

Measurement of Polarized Target Asymmetry in γd → pn in the Photon Energy Region between 0.3 and 0.7 GeV

NUCLEAR REACTIONS 2H(γ, p), E=0.3-0.7 GeV bremsstrahlung; measured pn-coin, σ(Ep), σ(En), target asymmetry vs θ, E. Polarized deuterated butanol target.

doi: 10.1016/0370-2693(82)91034-6
Citations: PlumX Metrics


1981WA13      Nuovo Cim. 63A, 57 (1981)

Y.Wada, S.Kato, T.Miyachi, K.Sugano, K.Toshioka, K.Ukai, T.Ishii, K.Egawa, M.Chiba, K.Joh, T.Shinohara, Y.Yoribayashi

Recoil Proton Polarization of Proton Compton Scattering in the Resonance Region

NUCLEAR REACTIONS 1H(γ, γ), E=400-1000 MeV; measured recoil proton polarization, pγ-coin. Carbon polarimeter, magnetic spectrometer, lead-glass Cerenkov counter. Phenomenological isobar model, dynamic dispersion relation analysis.

doi: 10.1007/BF02784690
Citations: PlumX Metrics


1974HO15      J.Phys.Soc.Jap. 36, 1499 (1974)

S.Homma, A.Itano, K.Katsuura, K.Maruyama, T.Miyachi, K.Nishikawa, H.Okuno, A.Sasaki, K.Ukai, N.Yamashita

The Total Absorption Cross Section of 250-550 MeV Photons in Carbon, Aluminium and Copper

NUCLEAR REACTIONS C, Al, Cu(γ, X), E=250-550 MeV; measured σ(E).

doi: 10.1143/JPSJ.36.1499
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2066.


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