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NSR database version of April 11, 2024.

Search: Author = M.Imamura

Found 29 matches.

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2011NI20      Radiochim.Acta Supp 1, Proc.in Radiochemistry 123 (2011)

K.Ninomiya, T.Omoto, R.Nakagaki, N.Takahashi, A.Shinohara, S.Sekimoto, T.Utsunomiya, H.Yashima, S.Shibata, T.Shima, N.Kinoshita, H.Matsumura, M.Hagiwara, Y.Iwamoto, D.Satoh, M.W.Caffee, K.C.Welten, M.Imamura, K.Nishiizumi

Cross sections of ⁷Be, ²²Na and ²⁴Na for geochemical and cosmochemical important elements by monoenergetic 287 and 370 MeV neutrons

NUCLEAR REACTIONS C(n, X)⁷Be, N(n, X)⁷Be, O(n, X)⁷Be, Mg(n, X)⁷Be/²²Na/²⁴Na, Al(n, X)⁷Be/²²Na/²⁴Na, Si(n, X)⁷Be/²²Na/²⁴Na, K(n, X)⁷Be/²⁴Na, Ca(n, X)⁷Be/²²Na/²⁴Na, Fe(n, X)⁷Be/²⁴Na, Ni(n, X)⁷Be/²⁴Na, E=287, 370 MeV; measured reaction products, neutron TOF, Eγ, Iγ; deduced σ.

doi: 10.1524/rcpr.2011.0022
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23287.

2010IW03      Phys.Rev. C 82, 034604 (2010)

H.Iwamoto, M.Imamura, Y.Koba, Y.Fukui, G.Wakabayashi, Y.Uozumi, T.Kin, Y.Iwamoto, S.Hohara, M.Nakano

Proton-production double-differential cross sections for 300-MeV and 392-MeV proton-induced reactions

NUCLEAR REACTIONS ⁵¹V, ¹⁵⁹Tb, ¹⁸¹Ta, ¹⁹⁷Au, ²⁰⁸Pb, ²⁰⁹Bi(p, p'X), E=392 MeV; ¹⁶O, ²⁷Al, ¹⁹⁷Au(p, p'X), E=300 MeV; measured Ep, Ip, σ(θ), and double-differential σ. ⁴⁰Ca(p, p'X), E=156, 334; ¹²C(p, p'X), E=50-400 MeV; analyzed double-differential σ data. Comparison with intranuclear cascade (INC) and quantum molecular dynamics (QMD) model calculations.

doi: 10.1103/PhysRevC.82.034604
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2289.

2008TA23      Appl.Radiat.Isot. 66, 1321 (2008)

K.Takamiya, Y.Ota, M.Akamine, S.Shibata, T.Shibata, Y.Ito, M.Imamura, Y.Uwamino, N.Nogawa, M.Baba, S.Iwasaki, S.Matsuyama

Excitation function for ⁶³Cu(n, p)⁶³Ni reaction in neutron energy range up to 15 MeV

NUCLEAR REACTIONS ⁶³Cu(n, p), E< 14.9 MeV; measured Εβ, Iβ, σ(E);radiochemical separation; liquid scintillation counting; comparison with JENDL-3.3, ENDF/B-VI and FENDL/A-2.0.

doi: 10.1016/j.apradiso.2008.03.011
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23033.

2007NI16      Nucl.Instrum.Methods Phys.Res. B258, 403 (2007)

K.Nishiizumi, M.Imamura, M.W.Caffee, J.R.Southon, R.C.Finkel, J.McAninch

Absolute calibration of ¹⁰Be AMS standards

ATOMIC MASSES ^9,10Be; analyzed available data; deduced ¹⁰Be/⁹Be isotopic composition, T_1/2.

NUCLEAR REACTIONS ⁹Be(n, γ), E thermal; analyzed available data; deduced σ for LLNL internal standards.

doi: 10.1016/j.nimb.2007.01.297
Citations: PlumX Metrics

2007UO01      Nucl.Instrum.Methods Phys.Res. A571, 743 (2007)

Y.Uozumi, P.Evtoukhovitch, H.Fukuda, M.Imamura, H.Iwamoto, V.Kalinikov, W.Kallies, N.Khumutov, T.Kin, N.Koba, Y.Koba, N.Kuchinski, A.Moisenko, D.Mzavia, M.Nakano, V.Samoilov, Z.Tsamalaidze, G.Wakabayashia, Y.Yamashita

Magnitude factor systematics of Kalbach phenomenology for reactions emitting helium and lithium ions

NUCLEAR REACTIONS ⁹Be, ¹²C, ²⁷Al(p, ³He), (p, α), ⁹Be, ¹²C, ²⁷Al, Ag(p, ⁶Li), (p, ⁷Li), E=392 MeV; analyzed σ(E, θ); deduced parameters.

doi: 10.1016/j.nima.2006.11.022
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2007.

2005KI14      Phys.Rev. C 72, 014606 (2005); Erratum Phys.Rev. C 72, 069901 (2005)

T.Kin, F.Saiho, S.Hohara, K.Ikeda, K.Ichikawa, Y.Yamashita, M.Imamura, G.Wakabayashi, N.Ikeda, Y.Uozumi, M.Matoba, M.Nakano, N.Koori

Proton production cross sections for reactions by 300- and 392-MeV protons on carbon, aluminum, and niobium

NUCLEAR REACTIONS ¹²C, ²⁷Al, ⁹³Nb(p, p'X), E=300, 392 MeV; measured Ep, σ(E, θ). Comparison with intranuclear cascade and quantum molecular dynamics model predictions.

doi: 10.1103/PhysRevC.72.014606
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1936.

1999KI30      J.Nucl.Sci.Technol.(Tokyo) 36, 29 (1999)

E.J.Kim, T.Nakamura, Y.Uwamino, N.Nakanishi, M.Imamura, N.Nakao, S.Shibata, S.Tanaka

Measurements of Activation Cross Sections on Spallation Reactions for ⁵⁹Co and ^natCu at Incident Neutron Energies of 40 to 120 MeV

NUCLEAR REACTIONS ⁵⁹Co(n, X)⁵⁶Mn/⁵⁴Mn/⁵²Mn/⁵⁸Co/⁵⁷Co/⁵⁶Co/⁵⁵Co/⁵⁹Fe, E ≈ 45-75 MeV; Cu(n, X)⁵⁶Mn/⁵⁹Fe/⁶⁰Co/⁵⁸Co/⁵⁷Co/⁵⁶Co/⁶⁴Cu/⁶¹Cu/⁶⁰Cu, E ≈ 45-117 MeV; measured activation σ. Comparison with previous results, model predictions.

doi: 10.1080/18811248.1999.9726179
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22421.

1999SA28      Phys.Lett. 458B, 460 (1999)

M.Sakai, M.Imamura, T.Komatsubara, J.Lu, J.Mukai, T.Shizuma, K.Furuno, T.Hayakawa, K.Furutaka, M.Kidera, M.Ohshima, T.Miura, S.Shimizu

Search for Correlated Two-Photon Emission from e⁺(⁸²Sr) + Th Interactions

NUCLEAR REACTIONS ²³²Th(e⁺, X), E=spectrum; measured Eγ, Iγ, γγ-coin; deduced σ upper limit for production and decay of X⁰ particle. Positron from ⁸²Sr decay.

doi: 10.1016/S0370-2693(99)00632-2
Citations: PlumX Metrics

1998KI21      Nucl.Sci.Eng. 129, 209 (1998)

E.Kim, T.Nakamura, A.Konno, Y.Uwamino, N.Nakanishi, M.Imamura, N.Nakao, S.Shibata, S.Tanaka

Measurements of Neutron Spallation Cross Sections of ¹²C and ²⁰⁹Bi in the 20- to 150-MeV Energy Range

NUCLEAR REACTIONS ¹²C(n, 2n), E=20-150 MeV; ²⁰⁹Bi(n, xn)²⁰⁷Bi/²⁰⁶Bi/²⁰⁵Bi/²⁰⁴Bi/²⁰³Bi/²⁰²Bi/²⁰¹Bi/²⁰⁰Bi/¹⁹⁹Bi/¹⁹⁸Bi, E=20-150 MeV; measured σ. Activation method.

doi: 10.13182/NSE98-A1977
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22653.

1998KO27      Nucl.Phys. A636, 367 (1998)

T.Kobayashi, K.Sueki, M.Ebihara, M.Imamura, H.Nakahara

Decay Properties of ^{97m, g}Tc

RADIOACTIVITY ⁹⁷Ru, ^97mTc, ⁹⁷Tc(EC) [from ⁹⁵Mo(α, 2n), E=27 MeV and ⁹⁷Ru decay]; measured T_1/2, branching ratios; deduced decay properties.

doi: 10.1016/S0375-9474(98)00209-7
Citations: PlumX Metrics

1998SH18      Radiochim.Acta 80, 181 (1998)

S.Shibata, M.Imamura, K.Sakamoto, S.Okizaki, S.Shibutani, H.Matsumura, M.Furukawa, I.Fujiwara, H.Nagai, K.Kobayashi

Yield Measurements of ⁷Be and ¹⁰Be Produced by Photonuclear Reactions at Intermediate Energies: Intercomparison of fragmentation processes between photon- and proton-induced reactions

NUCLEAR REACTIONS O, ²⁷Al, Cu, Cl, Co, Y(γ, X)⁷Be/¹⁰Be, E=250-1050 MeV bremsstrahlung; measured yields. Comparison with proton-induced reactions. Accelerator mass spectrometry techniques.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2025.

1997IM02      Nucl.Instrum.Methods Phys.Res. B123, 330 (1997)

M.Imamura, K.Nishiizumi, M.W.Caffee, S.Shibata

Measurements of Proton-Induced Production Cross Sections for ³⁶Cl from Ca and K

NUCLEAR REACTIONS, ICPND K, Ca, ³⁹K, ⁴⁰Ca(p, X)³⁶Cl, E=15-40 MeV; measured production σ. Accelerator mass spectrometry.

doi: 10.1016/S0168-583X(96)00712-4
Citations: PlumX Metrics

1997UW01      Nucl.Instrum.Methods Phys.Res. A389, 463 (1997)

Y.Uwamino, T.S.Soewarsono, H.Sugita, Y.Uno, T.Nakamura, T.Shibata, M.Imamura, S.-I.Shibata

High-Energy p-Li Neutron Field for Activation Experiment

NUCLEAR REACTIONS ⁷Li(p, n), E=20-40 MeV; measured neutron σ(En, θ). ¹⁹⁷Au(n, 2n), E=8-38 MeV; ¹⁹⁷Au(n, 4n), E=24-38 MeV; ⁵⁹Co(n, 2nα), E=28-38 MeV; measured activation σ.

doi: 10.1016/S0168-9002(97)00345-8
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1826.

1996SH29      Radiochim.Acta 75, 1 (1996)

S.Shibata, T.Shibata, M.Imamura, T.Ohkubo, S.Satoh, Y.Uwamino, N.Morikawa, N.Nogawa

Measurements of the Production Cross Sections of Tritium from Oxygen using p-Be and p-Li Neutrons up to E(n) = 38 MeV

NUCLEAR REACTIONS ¹⁶O(n, t), E=15-40 MeV; measured tritium yields; deduced σ. ⁷Li, ⁹Be(p, n), E=20-40 MeV; measured neutron spectra.

doi: 10.1524/ract.1996.75.1.1
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22475.

1993KO64      Radiochim.Acta 63, 29 (1993)

T.Kobayashi, K.Sueki, M.Ebihara, H.Nakahara, M.Imamura, A.Masuda

Half-Lives of Technetium 97, 98

RADIOACTIVITY ⁹⁸Tc(β^-), (EC) [from ⁹⁷Mo(d, n), E=14 MeV]; ⁹⁷Ru(EC) [from ⁹⁵Mo(α, n), E=22 MeV]; ⁹⁷Tc(EC) [from ⁹⁷Ru(EC) decay]; measured X-ray spectra; deduced T_1/2. ⁹⁸Tc deduced EC- to β^--decay branching ratio.

1993MI20      Phys.Rev.Lett. 71, 4120 (1993)

M.Minowa, Y.Inoue, T.Asanuma, M.Imamura

Invisible Axion Search in ¹³⁹La M1 Transition

RADIOACTIVITY ¹³⁹Ce(EC); measured γ(X-ray)-coin. ¹³⁹La transition deduced Γ(axion)/Γγ upper limit. ¹³⁹Ce deduced second forbidden EC-decay branching ratio.

doi: 10.1103/PhysRevLett.71.4120
Citations: PlumX Metrics

1993SH27      Phys.Rev. C48, 2617 (1993)

S.Shibata, M.Imamura, H.Nagai, K.Kobayashi, K.Sakamoto, M.Furukawa, I.Fujiwara

Measurements of ¹⁰Be and ²⁶Al Production Cross Sections with 12 GeV Protons by Accelerator Mass Spectrometry

NUCLEAR REACTIONS ²⁷Al, Fe, ⁵⁹Co, Ni, Cu, Zn, Ag(p, X)¹⁰Be/²⁶Al, E=12 GeV; measured residuals production σ; deduced formation mechanism. Other data discussed.

doi: 10.1103/PhysRevC.48.2617
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1647.

1992KI08      J.Phys.(London) G18, 443 (1992)

T.Kishimoto, T.Shibata, M.Imamura, S.Shibata, Y.Uwamino

Search for Violation of the Pauli Principle through Spontaneous Neutron Emission from Lead

RADIOACTIVITY ²⁰⁸Pb; measured finite excess neutron counting rate, upper limit; deduced limits on spontaneous hole state appearance due to Pauli principle violation.

doi: 10.1088/0954-3899/18/2/023
Citations: PlumX Metrics

1992SH26      Nucl.Instrum.Methods Phys.Res. A316, 337 (1992)

T.Shibata, M.Imamura, S.Shibata, Y.Uwamino, T.Ohkubo, S.Satoh, K.Yamakoshi, N.Oyama, T.Ohsaka, N.Yamamoto, O.Hatozaki, N.Niimura

A Low Background Neutron Measuring System and Its Application to the Detection of Neutrons Produced by the D₂O Electrolysis

RADIOACTIVITY ²⁵²Cf(SF); measured fission neutron detection efficiency. Low background system.

NUCLEAR REACTIONS ²H(d, n), E=low; measured no neutron emission enhancement, no tritium production. Low background system, D₂O electrolysis.

doi: 10.1016/0168-9002(92)90919-U
Citations: PlumX Metrics

1991NA04      Phys.Rev. C43, 1831 (1991)

T.Nakamura, H.Sugita, M.Imamura, Y.Uwamino, H.Nagai, K.Kobayashi

Measurement of the Long-Lived ²⁶Al Production Cross Section in the ²⁷Al(n, 2n) Reaction

NUCLEAR REACTIONS ²⁷Al(n, 2n), E ≈ 15.3-33.6 MeV; measured σ(E). Semi-monoenergetic beam, accelerator mass spectroscopy method.

doi: 10.1103/PhysRevC.43.1831
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22222.

1991SA21      Phys.Rev. C44, R944 (1991)

M.Sakai, Y.Fujita, M.Imamura, K.Omata, S.Ohya, S.Muto, T.Miura, Y.Gono, S.Chojnacki

330-keV Electron Line in e⁺ + Th Interactions

NUCLEAR REACTIONS Th(e⁺, X), E=radioactive source; measured electron spectra double focusing electron spectrometer; deduced electron line energy, σ, line width. β⁺ emitting ¹¹⁸Te source. Double focusing electron spectrometer.

ATOMIC PHYSICS Th(e⁺, X), E=radioactive source; measured electron, spectra double focusing electron spectrometer; deduced electron line energy, σ, line width. β⁺ emitting ¹¹⁸Te source. Double focusing electron spectrometer.

doi: 10.1103/PhysRevC.44.R944
Citations: PlumX Metrics

1990IM04      Nucl.Instrum.Methods Phys.Res. B52, 595 (1990)

M.Imamura, H.Nagai, M.Takabatake, S.Shibata, K.Kobayashi, K.Yoshida, H.Ohashi, Y.Uwamino, T.Nakamura

Measurements of Production Cross Sections of ¹⁴C and ²⁶Al with High-Energy Neutrons up to E(n) = 38 MeV by Accelerator Mass Spectrometry

NUCLEAR REACTIONS O(n, X)¹⁴C, Si(n, X)²⁶Al, E ≤ 38 MeV; measured residue production σ. Accelerator mass spectrometry.

doi: 10.1016/0168-583X(90)90482-A
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22210.

1990NA32      Nucl.Instrum.Methods Phys.Res. B52, 568 (1990)

H.Nagai, M.Imamura, K.Kobayashi, K.Yoshida, H.Ohashi, M.Honda

High ¹⁰Be Production Rate Found in Meteoritic Carbons

doi: 10.1016/0168-583X(90)90478-D
Citations: PlumX Metrics

1990SA29      Phys.Rev. C42, 1545 (1990)

K.Sakamoto, Y.Hamajima, M.Soto, Y.Kubota, M.Yoshida, A.Kunugise, M.Masatani, S.Shibata, M.Imamura, M.Furukawa, I.Fujiwara

Barium and Xenon Isotope Yields in Photopion Reactions of ¹³³Cs

NUCLEAR REACTIONS, ICPND ¹³³Cs(γ, xnπ^-), ¹³³Cs(γ, π⁺), E ≈ 30-1050 MeV bremsstrahlung; measured residue yields for x=0, 2, 4, 5, 6, 7, 9. Radiochemical procedures.

doi: 10.1103/PhysRevC.42.1545
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2029.

1988FU05      Nucl.Phys. A484, 77 (1988)

Y.Fujita, M.Imamura, K.Omata, Y.Isozumi, S.Ohya

Precise Intensity Measurements of Internal Conversion Lines in the Decay of ²⁰⁷Bi and Systematic Comparison with Theoretical Predictions

RADIOACTIVITY ²⁰⁷Bi(EC); measured I(ce). ²⁰⁷Pb deduced ICC, shell, subshell ratios. Rosel-Fries-Alder-Pauli calculation. Iron-free magnetic spectrometer.

doi: 10.1016/0375-9474(88)90141-8
Citations: PlumX Metrics

1988SA29      Phys.Rev. C38, 1971 (1988)

M.Sakai, Y.Fujita, M.Imamura, K.Omata, S.Ohya, T.Miura

Electron Peaks in e⁺ + Th, U, and Ta Interactions

NUCLEAR REACTIONS Th, U(e⁺, e^-), E=radioactive source; measured electron spectra; deduced σ.

doi: 10.1103/PhysRevC.38.1971
Citations: PlumX Metrics

1987SA41      Nucl.Phys. A473, 317 (1987)

M.Sakai, Y.Fujita, M.Imamura, K.Omata, K.Miyatake, T.Nomura, S.Ohya, S.Chojnacki

Anomalous Electron Intensity Ratio of the E0 Internal Conversion in the Transition of ¹⁵⁴Gd

RADIOACTIVITY ¹⁵⁴Tb(EC) [from ¹⁵³En(α, 3n)]; measured Iγ, I(ce). ¹⁵⁴Gd transitions deduced δ, subshell ICC ratios. Enriched target, iron-free magnetic spectrometer.

doi: 10.1016/0375-9474(87)90147-3
Citations: PlumX Metrics

1987SH01      Phys.Rev. C35, 2544 (1987)

S.Shibata, M.Imamura, T.Miyachi, M.Mutou, K.Sakamoto, Y.Hamajima, M.Soto, Y.Kubota, M.Yoshida, I.Fujiwara

Photonuclear Spallation Reactions in Cu

NUCLEAR REACTIONS Cu(γ, X)⁶⁴Cu/⁶¹Cu/⁶⁰Cu/⁵⁷Ni/⁶⁰Co/⁵⁸Co/⁵⁷Co/⁵⁶Co/⁵⁵Co/⁵⁹Fe/⁵⁶Mn/⁵⁴Mn/⁵²Mn/⁵¹Cr/⁴⁹Cr/⁴⁸V/⁴⁸Sc/⁴⁷Sc/⁴⁶Sc/⁴⁴Sc/^44mSc/⁴³K/⁴²K/²⁴Na, E=100-1000 MeV bremsstrahlung; measured residuals formation yields; deduced mass yields, charge dispersion curves. Natural target, Ge(Li), Ge detectors, activation technique.

doi: 10.1103/PhysRevC.35.254
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2028.

1971HO24      Phys.Rev. C4, 1182 (1971)

M.Honda, M.Imamura

Half-Life of Mn⁵³

RADIOACTIVITY ⁵³Mn; measured T_1/2, specific activity.

doi: 10.1103/PhysRevC.4.1182
Citations: PlumX Metrics