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NSR database version of May 24, 2024.

Search: Author = R.Yamazaki

Found 6 matches.

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2022IS02      Phys.Rev. C 105, 045201 (2022)

T.Ishikawa, A.Fix, H.Fujimura, H.Fukasawa, R.Hashimoto, Q.He, Y.Honda, T.Iwata, S.Kaida, J.Kasagi, A.Kawano, S.Kuwasaki, K.Maeda, S.Masumoto, M.Miyabe, F.Miyahara, K.Mochizuki, N.Muramatsu, A.Nakamura, K.Nawa, Y.Obara, S.Ogushi, Y.Okada, K.Okamura, Y.Onodera, K.Ozawa, Y.Sakamoto, M.Sato, H.Shimizu, H.Sugai, K.Suzuki, Y.Tajima, S.Takahashi, Y.Taniguchi, Y.Tsuchikawa, H.Yamazaki, R.Yamazaki, H.Y.Yoshida

Coherent photoproduction of the neutral-pion and η-meson on the deuteron at incident energies below 1.15 GeV

NUCLEAR REACTIONS 2H(γ, π0ηd), E<1.15 GeV; measured reaction products, angular distributions, Eγ, Iγ, deuteron spectra, (particle)γ-coin; deduced σ(E), σ(θ, E), ηd scattering parameters, invariant mass. Comparison to other experimental data and model estimations. FOREST setup consisting of three different electromagnetic calorimeters (EMCs): 192 pure cesium iodide (CsI) crystals for the forward EMC, 252 lead scintillating-fiber sandwich modules for the central, and 62 lead-glass Cherenkov counters for the backward. Bremsstrahlung beam from the STretcher Booster (STB) ring synchrotron at the Research Center for Electron Photon Science (ELPH), Tohoku University, Japan.

doi: 10.1103/PhysRevC.105.045201
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2022TE03      Astrophys.J. 933, 111 (2022)

Y.Terada, Y.Miwa, H.Ohsumi, S.-i.Fujimoto, S.Katsuda, A.Bamba, R.Yamazaki

Gamma-Ray Diagnostics of r-process Nucleosynthesis in the Remnants of Galactic Binary Neutron-star Mergers

RADIOACTIVITY 85Kr(β-), 137Ba, 60Co(IT), 243Am(α); analyzed available data; calculated γ-ray spectra from 3237 unstable nuclei.

doi: 10.3847/1538-4357/ac721f
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2021IS10      Phys.Rev. C 104, L052201 (2021)

T.Ishikawa, H.Fujimura, H.Fukasawa, R.Hashimoto, Q.He, Y.Honda, T.Iwata, S.Kaida, J.Kasagi, A.Kawano, S.Kuwasaki, K.Maeda, S.Masumoto, M.Miyabe, F.Miyahara, K.Mochizuki, N.Muramatsu, A.Nakamura, K.Nawa, Y.Obara, S.Ogushi, Y.Okada, K.Okamura, Y.Onodera, K.Ozawa, Y.Sakamoto, M.Sato, H.Shimizu, H.Sugai, K.Suzuki, Y.Tajima, S.Takahashi, Y.Taniguchi, Y.Tsuchikawa, H.Yamazaki, R.Yamazaki, H.Y.Yoshida

Resonance-like structure near the ηd threshold in the γd → π0ηd reaction

NUCLEAR REACTIONS 2H(γ, π0ηd), E=0.75-1.15 GeV; measured final-state particles, total and differential σ(E) as a function of the incident photon energy, angular distributions for π0 with respect to the photon beam using FOREST detector consisting of three different electromagnetic calorimeters (EMCs) at the Research Center for Electron Photon Science (ELPH), Tohoku University; deduced S-wave resonance states and widths, strong enhancement near the ηd threshold. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.104.L052201
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2020IS04      Phys.Rev. C 101, 052201 (2020)

T.Ishikawa, H.Fujimura, H.Fukasawa, R.Hashimoto, Q.He, Y.Honda, A.Hosaka, T.Iwata, S.Kaida, J.Kasagi, A.Kawano, S.Kuwasaki, K.Maeda, S.Masumoto, M.Miyabe, F.Miyahara, K.Mochizuki, N.Muramatsu, A.Nakamura, S.X.Nakamura, K.Nawa, S.Ogushi, Y.Okada, K.Okamura, Y.Onodera, K.Ozawa, Y.Sakamoto, M.Sato, T.Sato, H.Shimizu, H.Sugai, K.Suzuki, Y.Tajima, S.Takahashi, Y.Taniguchi, Y.Tsuchikawa, H.Yamazaki, R.Yamazaki, H.Y.Yoshida

wN scattering length from w photoproduction on the proton near the reaction threshold

NUCLEAR REACTIONS 1H(γ, ω), E=1.09-1.15 GeV; measured Eγ, Iγ, differential σ(θ), and total σ(Eγ) using the FOREST detector at the Research Center for Electron Photon Science of Tohoku University; deduced scattering parameters, spin-averaged scattering length, and effective range. Comparison with other experimental results and with theoretical predictions.

doi: 10.1103/PhysRevC.101.052201
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2017IS13      Phys.Lett. B 772, 398 (2017)

T.Ishikawa, H.Fujimura, H.Fukasawa, R.Hashimoto, Q.He, Y.Honda, T.Iwata, S.Kaida, H.Kanda, J.Kasagi, A.Kawano, S.Kuwasaki, K.Maeda, S.Masumoto, M.Miyabe, F.Miyahara, K.Mochizuki, N.Muramatsu, A.Nakamura, K.Nawa, S.Ogushi, Y.Okada, K.Okamura, Y.Onodera, K.Ozawa, Y.Sakamoto, M.Sato, H.Shimizu, H.Sugai, K.Suzuki, Y.Tajima, Y.Taniguchi, Y.Tsuchikawa, H.Yamazaki, R.Yamazaki, H.Y.Yoshida

First measurement of coherent double neutral-pion photoproduction on the deuteron at incident energies below 0.9 GeV

NUCLEAR REACTIONS 2H(γ, π0), E<0.9 GeV; measured reaction products; deduced total σ. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2017.04.010
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2544.


2014SH08      Astropart.Phys. 55, 8 (2014)

T.Shibata, Y.Ohira, K.Kohri, R.Yamazaki

Production cross sections of γ-rays, electrons, and positrons in p-p collisions

NUCLEAR REACTIONS 1H(p, γ), (p, E), (p, E+), E<10000 TeV; analyzed available data; calculated normalized distributions of γ, E, and E+, production σ, σ(E), σ(E, θ).

doi: 10.1016/j.astropartphys.2014.01.001
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