NSR Query Results
Output year order : Descending NSR database version of May 6, 2024. Search: Author = O.Sasaki Found 29 matches. 2007MU01 Phys.Rev.Lett. 98, 042501 (2007) R.Muto, J.Chiba, H.Enyo, Y.Fukao, H.Funahashi, H.Hamagaki, M.Ieiri, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, K.Miwa, T.Miyashita, T.Murakami, T.Nakura, M.Naruki, K.Ozawa, F.Sakuma, O.Sasaki, M.Sekimoto, T.Tabaru, K.H.Tanaka, M.Togawa, S.Yamada, S.Yokkaichi, Y.Yoshimura, and the KEK-PS E325 Collaboration Evidence for In-Medium Modification of the φ Meson at Normal Nuclear Density NUCLEAR REACTIONS C, Cu(p, e+e-X), E=12 GeV; measured electron-positron pair invariant mass spectra; deduced in-medium modification of φ meson.
doi: 10.1103/PhysRevLett.98.042501
2007NA36 J.Phys.(London) G34, S1059 (2007) M.Naruki, H.En'yo, R.Muto, T.Tabaru, S.Yokkaichi, Y.Fukao, H.Funahashi, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, K.Miwa, T.Miyashita, T.Murakami, T.Nakura, F.Sakuma, M.Togawa, S.Yamada, Y.Yoshimura, J.Chiba, M.Ieiri, O.Sasaki, M.Sekimoto, K.H.Tanaka, H.Hamagaki, K.Ozawa, and the KEK-PS E325 Collaboration Medium modification of vector mesons observed in 12 GeV p+A reactions
doi: 10.1088/0954-3899/34/8/S156
2007SA18 Phys.Rev.Lett. 98, 152302 (2007) F.Sakuma, J.Chiba, H.Enyo, Y.Fukao, H.Funahashi, H.Hamagaki, M.Ieiri, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, K.Miwa, T.Miyashita, T.Murakami, R.Muto, T.Nakura, M.Naruki, K.Ozawa, O.Sasaki, M.Sekimoto, T.Tabaru, K.H.Tanaka, M.Togawa, S.Yamada, S.Yokkaichi, Y.Yoshimura, and the KEK-PS E325 Collaboration Nuclear-Matter Modification of Decay Widths in the φ → e+e- and φ → K+K- Channels NUCLEAR REACTIONS C, Cu(p, e+e-X), (p, K+K-X), E=12 GeV; measured φ-meson decay associated electron-positron pair and kaon pair invariant mass spectra; deduced medium effects.
doi: 10.1103/PhysRevLett.98.152302
2006MU22 Nucl.Phys. A774, 723 (2006) R.Muto, J.Chiba, H.En'yo, Y.Fukao, H.Funahashi, H.Hamagaki, M.Ieiri, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, K.Miwa, T.Miyashita, T.Murakami, T.Nakura, M.Naruki, M.Nomachi, K.Ozawa, F.Sakuma, O.Sasaki, H.D.Sato, M.Sekimoto, T.Tabaru, K.H.Tanaka, M.Togawa, S.Yamada, S.Yokkaichi, Y.Yoshimura First observation of φ-meson mass modification in nuclear medium NUCLEAR REACTIONS C, Cu(p, X), E=12 GeV; measured e+, e- pair invariant mass spectra; deduced φ yields; analyzed φ mass modification. Comparison with model predictions.
doi: 10.1016/j.nuclphysa.2006.06.123
2006NA05 Phys.Rev.Lett. 96, 092301 (2006) M.Naruki, Y.Fukao, H.Funahashi, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, K.Miwa, T.Miyashita, T.Murakami, T.Nakura, F.Sakuma, M.Togawa, S.Yamada, Y.Yoshimura, H.En'yo, R.Muto, T.Tabaru, S.Yokkaichi, J.Chiba, M.Ieiri, O.Sasaki, M.Sekimoto, K.H.Tanaka, H.Hamagaki, K.Ozawa Experimental Signature of Medium Modifications for ρ and ω Mesons in the 12 GeV p + A Reactions NUCLEAR REACTIONS C, Cu(p, ee+X), E=12 GeV; measured electron-positron pair invariant mass spectra; deduced φ, ω, ρ, η meson yields, medium modification effects.
doi: 10.1103/PhysRevLett.96.092301
2006TA20 Phys.Rev. C 74, 025201 (2006) T.Tabaru, H.En'yo, R.Muto, M.Naruki, S.Yokkaichi, J.Chiba, M.Ieiri, O.Sasaki, M.Sekimoto, K.H.Tanaka, H.Funahashi, Y.Fukao, M.Kitaguchi, M.Ishino, H.Kanda, S.Mihara, T.Miyashita, K.Miwa, T.Murakami, T.Nakura, F.Sakuma, M.Togawa, S.Yamada, Y.Yoshimura, H.Hamagaki, K.Ozawa Nuclear mass number dependence of inclusive production of ω and φ mesons in 12 GeV p + A collisions NUCLEAR REACTIONS H, C, Cu(p, X), E=12 GeV; measured ω and φ mesons production σ, transverse momentum and rapidity distributions; deduced nuclear mass dependence.
doi: 10.1103/PhysRevC.74.025201
2004MU22 J.Phys.(London) G30, S1023 (2004) R.Muto, J.Chiba, H.En'yo, Y.Fukao, H.Funahashi, H.Hamagaki, M.Ieiri, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, K.Miwa, T.Miyashita, T.Murakami, T.Nakura, M.Naruki, M.Nomachi, K.Ozawa, F.Sakuma, O.Sasaki, H.D.Sato, M.Sekimoto, T.Tabaru, K.H.Tanaka, M.Togawa, S.Yamada, S.Yokkaichi, Y.Yoshimura Experimental signature of in-medium mass modification of vector mesons at normal nuclear density NUCLEAR REACTIONS C, Cu(p, X), E=12 GeV; measured electron-positron pair invariant mass spectra; deduced vector meson yields, in-medium mass modification.
doi: 10.1088/0954-3899/30/8/051
2003EN11 Prog.Theor.Phys.(Kyoto), Suppl. 149, 49 (2003) H.En'yo, J.Chiba, H.Funahashi, H.Hamagaki, M.Ieiri, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, T.Miyashita, T.Murakami, R.Muto, M.Naruki, M.Nomachi, K.Ozawa, F.Sakuma, O.Sasaki, H.D.Sato, M.Sekimoto, T.Tabaru, K.H.Tanaka, S.Yadama, S.Yokkaichi, Y.Yoshimura Nuclear Media Effects on Production and Decay of Vector Meson Studied in 12 GeV p + A Interaction NUCLEAR REACTIONS C, Cu(p, X), E=12 GeV; measured electron-positron pair invariant mass spectra; deduced vector meson production features.
doi: 10.1143/PTPS.149.49
2003NA31 Nucl.Phys. A721, 297c (2003) M.Naruki, J.Chiba, H.En'yo, H.Funahashi, H.Hamagaki, M.Ieiri, M.Ishino, H.Kanda, M.Kitaguchi, S.Mihara, T.Miyashita, T.Murakami, R.Muto, M.Nomachi, K.Ozawa, F.Sakuma, O.Sasaki, H.D.Sato, M.Sekimoto, T.Tabaru, K.H.Tanaka, S.Yadama, S.Yokkaichi, Y.Yoshimura Measurement of Invariant Mass Spectra of Vector Meson Decaying in Nuclear Matter NUCLEAR REACTIONS C, Cu(p, X), E=12 GeV; measured electron-positron pair invariant mass spectra; deduced vector meson production and decay features.
doi: 10.1016/S0375-9474(03)01054-6
2002OZ01 Nucl.Phys. A698, 535c (2002) K.Ozawa, J.Chiba, H.Enyo, H.Funahashi, H.Hamagaki, M.Kitaguchi, M.Ieiri, M.Ishino, H.Kanda, S.Mihara, T.Miyashita, T.Murakami, R.Muto, M.Naruki, M.Nomachi, O.Sasaki, F.Sakuma, H.D.Sato, M.Sekimoto, T.Tabaru, K.H.Tanaka, S.Yamada, S.Yokkaichi, Y.Yoshimura Modification of Vector Mesons in Nuclear Matter Measured in 12 GeV p + A Reactions at KEK-PS NUCLEAR REACTIONS H, C, Cu, Gd(p, X), E=12 GeV; measured e+e- and K+K- invariant mass spectra; deduced in-medium modification of vector mesons.
doi: 10.1016/S0375-9474(01)01422-1
2001OZ01 Phys.Rev.Lett. 86, 5019 (2001) K.Ozawa, H.Enyo, H.Funahashi, M.Kitaguchi, M.Ishino, H.Kanda, S.Mihara, T.Miyashita, T.Murakami, R.Muto, M.Naruki, F.Sakuma, H.D.Sato, T.Tabaru, S.Yamada, S.Yokkaichi, Y.Yoshimura, J.Chiba, M.Ieiri, M.Nomachi, O.Sasaki, M.Sekimoto, K.H.Tanaka, H.Hamagaki Observation of ρ/ω Meson Modification in Nuclear Matter NUCLEAR REACTIONS H, C, Cu(p, X), E=12 GeV; measured electron-positron pair invariant mass spectra; deduced nuclear matter modification of ρ, ω mesons.
doi: 10.1103/PhysRevLett.86.5019
2000EN07 Nucl.Phys. A670, 182c (2000) H.Enyo, J.Chira, H.Funahashi, H.Hamagaki, T.Haseyama, M.Ieiri, M.Ishino, H.Kanda, S.Mihara, T.Miyashita, T.Murakami, R.Muto, M.Naruki, M.Nomachi, K.Ozawa, O.Sasaki, M.Sekimoto, H.D.Sato, T.Tabaru, K.Tanaka, S.Yamada, S.Yokkaichi, Y.Yoshimura, and the KEK-PS-E325 Collaboration Study of Chiral Property of Nuclear Matter Through Measurements of φ Meson Decay NUCLEAR REACTIONS H, C, Cu(p, X), E=12 GeV; measured φ meson production associated invariant mass spectra.
doi: 10.1016/S0375-9474(00)00092-0
1995FU13 Nucl.Instrum.Methods Phys.Res. A361, 485 (1995) T.Fukuda, T.Hasegawa, O.Hashimoto, A.Higashi, S.Homma, T.Kitami, Y.Matsuyama, T.Miyachi, T.Morimoto, T.Nagae, K.Omata, M.Sekimoto, T.Shibata, H.Sakaguchi, T.Takahashi, K.Aoki, Y.Doi, Y.Kondo, Y.Makida, M.Nomachi, H.Noumi, O.Sasaki, T.Shintomi, H.Bhang, H.Park, M.Youn, H.Yu, Y.Gavrilov, S.Ajimura, T.Kishimoto, A.Ohkusu, N.Shinkai, K.Maeda, R.Sawafta The Superconducting Kaon Spectrometer - SKS NUCLEAR REACTIONS 12C(π-, π-'), E at 800 MeV/c; measured spectra. 12C(π+, K+), E at 1.06 GeV/c; measured hypernuclei production σ vs missing mass. Superconducting kaon spectrometer.
doi: 10.1016/0168-9002(95)00216-2
1994SH38 J.Phys.Soc.Jpn. 63, 478 (1994) K.Shoda, O.Sasaki, K.Takeshita, T.Taniuchi, H.Tsubota Highly Excited Nuclear Residual States in the (γ, π+) Reaction in the Threshold Region NUCLEAR REACTIONS 6Li, 9Be, 28Si(e, π+), E=200 MeV; measured pion energy distributions; deduced σ(γ, π+), spin-isospin flip GDR features in residual nuclei.
doi: 10.1143/JPSJ.63.478
1991AK05 Nucl.Phys. A534, 478 (1991) M.Akei, J.F.Amann, J.Chiba, H.Ejiri, Y.Iseki, M.Fukuda, T.Fukuda, O.Hashimoto, A.Higashi, S.Homma, T.Irie, A.Kashitani, S.Kato, K.Kimura, T.Kishimoto, K.Maeda, Y.Matsuyama, J.A.McGill, T.Nagae, H.Nagasawa, C.Nagoshi, H.Noumi, M.Nomachi, H.Ohsumi, K.Okuda, K.Omata, H.Sano, O.Sasaki, T.Shibata, F.Soga, F.Takeuchi, H.A.Thiessen, S.Toyama, K.H.Tanaka, Y.Umeda, N.Yoshikawa, Y.Yamanoi The (π+, K+) Reaction on 12C and 56Fe NUCLEAR REACTIONS 12C, Fe(π+, K+), E at 1.07 GeV/c; measured σ(θ), θ=3°. DWIA analysis.
doi: 10.1016/0375-9474(91)90457-H
1989AK04 Nucl.Instrum.Methods Phys.Res. A283, 46 (1989) M.Akei, J.F.Amann, J.Chiba, H.Ejiri, M.Fukuda, T.Fukuda, O.Hashimoto, S.Homma, T.Irie, Y.Iseki, A.Kashitani, S.Kato, K.Kimura, T.Kishimoto, K.Maeda, Y.Matsuyama, J.A.McGill, T.Nagae, H.Nagasawa, C.Nagoshi, M.Nomachi, H.Noumi, H.Ohsumi, K.Okuda, K.Omata, H.Sano, O.Sasaki, T.Shibata, F.Soga, F.Takeuchi, H.A.Thiessen, S.Toyama, K.H.Tanaka, Y.Yamanoi, N.Yoshikawa A Broad Range Spectrometer PIK for Medium-Energy Meson Spectroscopy NUCLEAR REACTIONS 12C(π+, K+), E at 1.05 GeV/c; 12C, 1H(π+, p), E at 490 MeV/c; measured missing mass spectra. CH2 target, broad range spectrometer.
doi: 10.1016/0168-9002(89)91254-0
1988SH35 Nucl.Phys. A486, 512 (1988) K.Shoda, S.Toyama, M.Torikoshi, O.Sasaki, T.Kobayashi Charge Number Dependence of π+ Production from Nuclei by 200 MeV Electron NUCLEAR REACTIONS 7Li, 28Si, 51V, 93Nb(e, π+), E=200 MeV; measured π+ spectra, σ(E(π), θ(π)). Natural targets.
doi: 10.1016/0375-9474(88)90160-1
1988SH36 Nucl.Phys. A486, 526 (1988) K.Shoda, T.Kobayashi, O.Sasaki, S.Toyama Branching of π+ in 12C(γ, π+) Reaction NUCLEAR REACTIONS 12C(e, π+), E=200, 205 MeV; measured σ(E(π+), θ). 12B deduced branching cross sections. Natural target.
doi: 10.1016/0375-9474(88)90161-3
1987SU17 Nucl.Phys. A473, 705 (1987) B.-N.Sung, K.Shoda, A.Kagaya, S.Toyama, M.Torikoshi, O.Sasaki, T.Kobayashi, H.Tsubota The Strong M1 Transition to Low-Lying 2+ States in the 14N(γ, π+)14C(*) Reaction NUCLEAR REACTIONS 14N(e, π+), E=190 MeV; measured σ(E(π+), θ). 14C deduced levels, M1 transition strength. Compressed powder Be3N2 target.
doi: 10.1016/0375-9474(87)90275-2
1986AR11 Phys.Rev. C34, 935 (1986) J.D.T.Arruda-Neto, M.Sugawara, T.Tamae, O.Sasaki, H.Ogino, H.Miyase, K.Abe Photoexcitation Mechanisms and Fission of 209Bi from Threshold to the Δ Region NUCLEAR REACTIONS 209Bi(e, F), E=43-250 MeV; measured absolute fission σ(E); deduced photon induced fission σ(E). 209Bi deduced relative fission probability. Natural target.
doi: 10.1103/PhysRevC.34.935
1986SH13 Phys.Lett. 169B, 17 (1986) K.Shoda, A.Kagaya, O.Sasaki, S.Toyama, T.Kobayashi, H.Tsubota Contribution of M1 and E0 Transitions in 13C(γ, π-)13N(g.s) in the Threshold Region NUCLEAR REACTIONS 13C(γ, π-), E=165 MeV bremsstrahlung; measured σ(θ). 14N level deduced relative M1, E0 population contribution.
doi: 10.1016/0370-2693(86)90677-5
1986SH14 Phys.Rev. C33, 2179 (1986) K.Shoda, M.Torikoshi, O.Sasaki, S.Toyama, T.Kobayashi, A.Kagaya, H.Tsubota Spin-Dipole Isovector Resonances in 12C and 6Li by Positive Photopion Production NUCLEAR REACTIONS 12C(e, π+), E=200 MeV; 6Li(e, π+), E=202 MeV; measured σ(Eπ, θ); deduced σ(γ, π) vs excitation, θ. 12B, 6He deduced spin-dipole isovector resonances.
doi: 10.1103/PhysRevC.33.2179
1986YA07 Phys.Rev. C34, 1123 (1986) M.Yamazaki, K.Shoda, M.Torikoshi, O.Sasaki, H.Tsubota Angular Distributions of π+ in the 10B(γ, π+) Reaction leading to Low-Lying States of 10Be NUCLEAR REACTIONS 10B(e, π+), E=185 MeV; measured σ(θ, E(π)); deduced 10B(γ, π+) partial σ. Double-focusing magnetic spectrometer. DWIA calculations.
doi: 10.1103/PhysRevC.34.1123
1985AR08 Phys.Rev. C31, 2321 (1985) J.D.T.Arruda-Neto, M.Sugawara, T.Tamae, O.Sasaki, H.Ogino, H.Miyase, K.Abe Photoexcitation Mechanisms and the Fission Process of 209Bi from Threshold to the Δ Region NUCLEAR REACTIONS 209Bi(e, F), E=43-250 MeV; measured fission σ(E); deduced σ(γ, F). 209Pb deduced relative fission probability. 209Bi deduced fission process, photoexcitation mechanism. Natural target.
doi: 10.1103/PhysRevC.31.2321
1985SH11 Nucl.Phys. A439, 669 (1985) K.Shoda, M.Torikoshi, M.Yamazaki, O.Sasaki, H.Tsubota π+ Photoproduction from 28Si Leaving Low-Lying Residual States NUCLEAR REACTIONS 28Si(e, π+), E=180 MeV; measured σ(E(π+), θ). 28Mg deduced levels, M1 transition strength. Natural target.
doi: 10.1016/0375-9474(85)90332-X
1983MI06 Phys.Rev. C28, 464 (1983) K.Min, E.J.Winhold, K.Shoda, M.Torikoshi, M.Yamazaki, O.Sasaki, H.Tsubota, B.N.Sung Isovector Spin-Isospin Mode Analog Giant Resonances in 13B by 13C(e, π+)13B NUCLEAR REACTIONS 13C(e, e'π+), E=195 MeV; measured σ(E(π), θ(π)); deduced photopion σ(θ) vs Eγ. 13B deduced M2, M4 transition strength distribution, giant analog resonance excitation.
doi: 10.1103/PhysRevC.28.464
1983SH19 Nucl.Phys. A403, 469 (1983) K.Shoda, M.Yamazaki, M.Torikoshi, O.Sasaki, H.Tsubota, B.N.Sung Photopion Angular Distribution from 9Be(e, π+)9Li(g.s.) NUCLEAR REACTIONS 9Be(e, π+), E=200 MeV; measured σ(E(π+), θ); deduced photoproduction σ(θ), σ. Natural target.
doi: 10.1016/0375-9474(83)90617-6
1983SH41 J.Phys.Soc.Jpn. 52, 3355 (1983) K.Shoda, M.Yamazaki, M.Torikoshi, O.Sasaki, H.Tsubota, Baik Nung Sung Photo π+ Production from 16O NUCLEAR REACTIONS 16O(e, π+), E=200 MeV; measured σ(θ, E(π)); deduced photopion production σ(θ). Natural BeO target. Helm, shell model analyses.
doi: 10.1143/JPSJ.52.3355
1981SH06 Phys.Lett. 101B, 124 (1981) Momentum Transfer Dependence of 6Li(γ, π+)6He Cross Sections NUCLEAR REACTIONS 6Li(e, π+), E=180 MeV; measured σ(θ, E(π+)); deduced momentum transfer dependence. 6He levels deduced relative M1 transition strength. Shell model.
doi: 10.1016/0370-2693(81)90504-9
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