Publications

Papers and Conference Proceedings

• Near-Threshold Λ(1520) Production by the γ p + Λ(1520) Reaction at Forward K⁺ Angles,
  H. Kohri, et al., Phys. Rev. Lett. 104, 172001 (2010) , arXiv:0906.0197 [hep-ex]
• Measurement of the incoherent γd→φpn photoproduction near threshold,
  W.C. Chang, M. Miyabe, T. Nakano, et al., Phys.Lett.B684:6,2010
• Backward-angle η photoproduction from protons at E_γ=1.6-2.4 GeV,
  M. Sumihama, et al., Phys. Rev. C 80, 052201(R) (2009), arXiv:0910.0900v1 [nucl-ex]
• Near-threshold photoproduction of Λ(1520) from protons and deuterons,
  N. Muramatsu, J.Y. Chen, W.C. Chang, et al., Phys.Rev.Lett.103:012001,2009, arXiv:0904.2034 [nucl-ex]
• Evidence of the Θ⁺ in the γd → K⁺K^-pn reaction,
  T. Nakano, N. Muramatsu, et al., Phys.Rev.C79:025210,2009, arXiv:0812.1035 [nucl-ex]
• 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.102:012501,2009, arXiv:0812.0771 [nucl-ex]
• 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.C78:035202,2008, arXiv:0805.4051 [hep-ex]
• Measurement of the polarized γp → K⁺Λ reaction at backward angles,
  K. Hicks, et al., Phys.Rev.C76:042201,2007, arXiv:0707.4412 [nucl-ex]
• Backward-angle photoproduction of π⁰ mesons on the proton at E_γ=1.5-2.4 GeV,
  M. Sumihama, et al., Phys.Lett.B657:32-37,2007, arXiv:0708.1600 [nucl-ex]
• Forward coherent φ-meson photoproduction from deuterons near threshold,
  W.C. Chang, K. Horie, S. Shimizu, M. Miyabe, et al., Phys.Lett.B658:209-215,2008, nucl-ex/0703034
• Differential Cross Section and Photon-Beam Asymmetry for the γn→K⁺Σ^- Reaction at E_γ=1.5-2.4 GeV,
  H. Kohri, et al., Phys. Rev. Lett. 97, 082003 (2006), 25 August 2006, hep-ex/0602015
• The γp→K⁺Λ and γp→ K⁺Σ⁰ reactions at forward angles with photon energies from 1.5 to 2.4 GeV,
  M. Sumihama, et al., Phys. Rev. C 73, 035214 (2006), 30 March 2006, hep-ex/0512053
• Diffractive φ-meson photoproduction on proton near threshold,
  T. Mibe, W.C. Chang, T. Nakano et al., Phys. Rev. Lett. 95, 182001 (2005), 28 October 2005, nucl-ex/0506015
• φ photo-production from Li, C, Al and Cu nuclei at E_γ=1.5-2.4 GeV,
  T. Ishikawa, et al., nucl-ex/0411016, Phys. Lett. B 608, 215(2005)
• Beam-Polarization Asymmetries for the p(γ,K⁺)Λ and p(γ,K⁺)Σ⁰ Reactions for E_γ= 1.5−2.4 GeV,
  R.G.T. Zegers, M. Sumihama et al., Phys.Rev.Lett.91:092001,2003, nucl-ex/0302005
• Evidence for a Narrow S = +1 Baryon Resonance in Photoproduction from the Neutron,
  T. Nakano et al., Phys.Rev.Lett.91:012002,2003 hep-ex/0301020
• Y. Sugaya et al., "DAQ SYSTEM FOR LEPS EXPERIMENT"
  IEEE Trans.Nucl.Sci. 48, 1282 (2001).
• T. Nakano et al., "Multi-GeV laser electron photon project at SPring-8"
  Nucl. Phys. A684, 71 (2001).
• T. Nakano et al., "Experiment at SPring-8"
  Nucl. Phys. A670, 332 (2000).
• J. K. Ahn et al., "The first operation of laser electron photon facility in SPring-8"
  In *Wako 1999, Accelerator science and technology* 141-143.
• T. Nakano et al., "New projects at SPring-8 with multi-GeV polarized photons"
  Nucl. Phys. A629, 559c (1998).

• H. Kohri for the LEPS collaboration, "5-QUARK BARYON Θ⁺ AND RELATED TOPICS OF SPRING-8"
  28th Mazurian Lakes Conference On Physics 31 Aug - 7 Sep 2003, Krzyze, Poland,
  Acta Phys. Polon. B35:1003-1010,2004
• R.G.T. Zegers for the LEPS collaboration, "K⁺ photoproduction at LEPS/SPring-8"
  Proceedings of the 9th International Conference on the Structure of Baryons (BARYONS 2002), page 506, published by World Scientific (2003).
• R.G.T. Zegers for the LEPS collaboration, "K⁺ photoproduction at LEPS/SPring-8"
  Proceedings of the workshop on the Physics of Excited Nucleons (NSTAR 2002), page 105, published by World Scientific (2003).
• T. Nakano for the LEPS collaboration, "Recent results of LEPS at SPring-8"
  (PANIC'02), Nucl. Phys. A721 112c (2003).
• J.K. Ahn for the LEPS collaboration, "Λ(1405) photoproduction at SPring-8/LEPS"
  (PANIC'02), Nucl. Phys. A721 715c (2003).
• W.C. Chang and T. Mibe for the LEPS collaboration, "Threshold production of φ mesons off protons by linearly polarized photons at SPring-8/LEPS"
  (PANIC'02), Nucl. Phys. A721 739c (2003).
• T. Hotta for the LEPS collaboration, "Backward production of ω mesons by linearly polarized photons at SPring-8/LEPS"
  (PANIC'02), Nucl. Phys. A721 751c (2003).
• T. Matsumura, et al., "2π⁰ photoproduction experiment at SPring-8"
  (PANIC'02), Nucl. Phys. A721 723c (2003).
• M. Sumihama for the LEPS collaboration, "K⁺ photoproduction at SPring-8/LEPS"
  (PANIC'02), Nucl. Phys. A721 693c (2003).

Preprints

• Backward-angle photoproduction of η meson from protons at E_γ = 1.6 - 2.4 GeV,
  M. Sumihama, et al., arXiv:0910.0900 [nucl-ex]
• Reduction of the incoherent γd → φpn photoproduction near threshold,
  W.C. Chang, et al., arXiv:0907.1705 [nucl-ex]
• Near-threshold Λ(1520) production by the γp → K⁺ Λ(1520) reaction at forward K⁺ angles,
  H. Kohri, et al., arXiv:0906.0197 [hep-ex]

RCNP Annual Report

• 2006
  • [TOPICS] LEPS2 project: the second Laser-Electron Photon beamline at SPring-8 (PDF)
  • Development of polarized Hydrogen-Deuteride (HD) target for future LEPS experiment at SPring-8 (PDF)
  • Gas distillation system for polarized HD target. (PDF)
• 2005
  • [TOPICS] Θ⁺ Search at the SPring-8 LEPS Experiment (PDF)
  • Differential cross section and photon beam asymmetry for the (pol)γ n → K⁺Σ^- reaction at E_γ=1.5-2.4 GeV (PDF)
  • Polarized Hydrogen-Deuteride (HD) target for future LEPS experiment at SPring-8 (PDF)
  • Measurement of φ decay asymmetry in (pol)γ d →φ d reaction (PDF)
  • Energy resolution of the LEPS new Tagging system (PDF)
  • Performance test of the new Time Projection Chamber for liquid targets (PDF)

• 2004
  • [TOPICS] Photo-production of Hyperon Resonances at SPring-8/LEPS (PDF)
  • Measurement of the photon beam asymmetries for the γp → η p reaction (PDF)
  • Measurement of the photon beam asymmetries for the γ N → π⁰N reaction at the forward angle (PDF)
  • Photoproduction of Neutral Kaons off Hydrogen (PDF)
  • Test of a Prototype Chamber for the New TPC (PDF)

• 2003
  • Experiments with the forward gamma detector at the SPring-8/LEPS (PDF)
  • Search for baryon resonances in the γ p → π⁰ η p reaction at LEPS/SPring-8 (PDF)
  • Measurement of φ-meson photoproduction near threshold with linearly polarized photons (PDF)
  • A production of 2.9 GeV LEP beams by using a 266 nm-wavelength laser (PDF)
  • Photoproduction of neutral kaons off hydrogen (PDF)

• 2002
  • Evidence for Θ⁺ in Photo-production from Neutron (PDF)
  • Photon beam asymmetries for the K⁺ photoproduction at SPring-8/LEPS (PDF)
  • Flash Analog-Digital-Converter Modules for Time Projection Chamber at SPring-8/LEPS (PDF)
  • Development of front end electronics for the Time Projection Chamber at SPring-8 (PDF)
  
  
• 2001
  • φ photo-production off nuclei at SPring-8/LEPS (PDF)
  • LEPS experiment using new liquid hydrogen target with thickness of 150 mm at SPring-8 (PDF)
  • The experiment of γA → π⁰π⁰X reaction at SPring-8 (PDF)
  • New liquid hydrogen target with thickness of 150 mm for LEPS experiment at SPring-8 (PDF)
  • Development of Time Projection Chamber at SPring-8/LEPS (PDF)
  
  
• 2000
  • Laser Electron Photon Experiment at SPring-8 (PDF)