Publications

Journal Articles

First measurement of coherent φ-meson photoproduction from ⁴He near threshold, T. Hiraiwa, M. Yosoi, M. Niiyama, Y. Morino, Y. Nakatsugawa, M. Sumihama, et al. Phys. Rev. C 97(2018) 035208
Photoproduction of Λ and Σ⁰hyperons off protons with linearly polarized photons at E_γ=1.5-3.0 GeV, S.H. Shiu, H. Kohri, W.C. Chang, et al. Phys. Rev. C 97(2018)015208
Differential cross section and photon-beam asymmetry for the γp→π⁺n reaction at forward π⁺ angles at E_γ=1.5-2.95 GeV, H. Kohri, S. Y. Wang, S. H. Shiu, W. C. Chang, Y. Yanai et al. Phys. Rev. C 97(2018) 015205
$ϕ$ photoproduction on the proton at E_g=1.5-2.9 GeV, K. Mizutani, M. Niiyama, T. Nakano, M. Yosoi, Y. Nozawa et al. Phys. Rev. C 96(2017) no. 6, 062201
Interference effect between $ϕ$ and $Λ (1520)$ production channels in the $γ p \to K^{+} K^{-} p$ reaction near threshold, S.Y. Ryu, J.K. Ahn, T. Nakano et al. Phys.Rev.Lett. 116 (2016) no.23, 232001
Backward-angle photoproduction of ω and η′ mesons from protons in the photon energy range from 1.5 to 3.0 GeV, Y. Morino, Y. Nakatsugawa, M. Yosoi, M. Niiyama et al. PTEP 2015 (2015) 013D01
Development of high intensity laser-electron photon beams up to 2.9GeV at the SPring-8 LEPS beamline, N. Muramatsu, Y. Kon, S. Daté, Y. Ohashi et al. Nucl.Instrum.Meth. A737 (2014) 184-194
Search for K⁻pp bound state via γd→K⁺π⁻X reaction at E_γ=1.5−2.4 GeV, A.O. Tokiyasu, M. Niiyama, J.D. Parker et al. Phys.Lett. B728 (2014) 616-621
New Result on Θ⁺ from LEPS, Y. Kato, Few Body Syst. 54 (2013) 1245-1249
High time resolution RPCs with different readout geometries, N. Tomida, C. Hsieh, M. Niiyama et al. J. Instrum. 7 (2012) P12005
Spin-Density Matrix Elements for γp→K^∗0Σ⁺ at E_γ=1.85−3.0 GeV with Evidence for the κ(800) Meson Exchange, S.H. Hwang, K. Hicks, J.K. Ahn, T. Nakano et al. Phys.Rev.Lett. 108 (2012) 092001
Distillation of hydrogen isotopes for polarized HD target, T. Ohta et al. Nucl.Instrum.Meth. A664 (2012) 347-352
HD gas analysis with Gas Chromatography and Quadrupole Mass Spectrometer, T. Ohta et al. Nucl.Instrum.Meth. A640 (2011) 241-246
Measurement of Spin-Density Matrix Elements for ϕ-Meson Photoproduction from Protons and Deuterons Near Threshold, W.C. Chang et al. Phys.Rev. C82 (2010) 015205
Backward-angle η photoproduction from protons at E_γ = 1.6 - 2.4 GeV, M. Sumihama et al. Phys.Rev. C80 (2009) 052201
Measurement of the incoherent γd→ϕpn photoproduction near threshold, W.C. Chang, M. Miyabe, T. Nakano et al. Phys.Lett. B684 (2010) 6-10
Near-threshold Λ(1520) production by the γp → K⁺ Λ(1520) reaction at forward K⁺ angles, H. Kohri et al. Phys.Rev.Lett. 104 (2010) 172001
Near-threshold photoproduction of Lambda(1520) from protons and deuterons, N. Muramatsu, J.Y. Chen, W.C. Chang et al. Phys.Rev.Lett. 103 (2009) 012001
Evidence of the Θ⁺ in the γd → K⁺ K^- pn reaction, T. Nakano, N. Muramatsu et al. Phys.Rev. C79 (2009) 025210
Cross Sections and Beam Asymmetries for K⁺ Σ^*- photoproduction from the deuteron at E_γ = 1.5-GeV - 2.4-GeV, K Hicks, D. Keller, H. Kohri et al. Phys.Rev.Lett. 102 (2009) 012501
Photoproduction of Λ(1405) and Σ⁰(1385) on the proton at E_γ = 1.5-2.4-GeV, M. Niiyama, H. Fujimura et al. Phys.Rev. C78 (2008) 035202
Measurement of the polarized γp → K⁺Λ reaction at backward angles, K. Hicks, T. Mibe, M. Sumihama et al. Phys.Rev. C76 (2007) 042201
Backward-angle photoproduction of π⁰ mesons on the proton at E_γ = 1.5-2.4-GeV, M. Sumihama et al. Phys.Lett. B657 (2007) 32-37
Forward coherent phi-meson photoproduction from deuterons near threshold, W.C. Chang, K. Horie, S. Shimizu, M. Miyabe et al. Phys.Lett. B658 (2008) 209-215
Differential cross section and photon beam asymmetry for the γn→K⁺Σ^- reaction at E_γ= 1.5 GeV-2.4 GeV, H. Kohri et al. Phys.Rev.Lett. 97 (2006) 082003
The γp→K⁺Λ and γp→K⁺Σ⁰ reactions at forward angles with photon energies from 1.5-GeV to 2.4-GeV, M. Sumihama et al. Phys.Rev. C73 (2006) 035214
Diffractive φ-meson photoproduction on proton near threshold, T. Mibe, W.C. Chang, T.Nakano et al. Phys.Rev.Lett. 95 (2005) 182001
φ photo-production from Li, C, Al, and Cu nuclei at E_γ = 1.5-GeV to 2.4-GeV, T. Ishikawa et al. Phys.Lett. B608 (2005) 215-222
Beam polarization asymmetries for the p(γ, K⁺)Λ and p(γ, K⁺)Σ⁰ reactions at E_γ = 1.5 Gev - 2.4 GeV, R.G.T. Zegers, M. Sumihama et al. Phys.Rev.Lett. 91 (2003) 092001
Evidence for a Narrow S=+1 Baryon Resonance in Photoproduction from the Neutron, T. Nakano et al. Phys.Rev.Lett. 91 (2003) 012002
DAQ system for LEPS experiment, Y. Sugaya et al. IEEE Trans.Nucl.Sci. 48 (2001) 1282-1285

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LEPS - Laser Electron Photon Experiment at SPring-8

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Journal Articles