Narrow Resonance at E_γ=1020 MeV in the D(γ, η) pn Reaction(Pentaquarks and related topics, Exotic hadrons, New Frontiers in QCD-Exotic Hadrons and Hadronic Matter-)

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概要

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• Differential and total cross sections of the D(γ, η)pn reaction have been measured for photon energies between 600 and 1150 MeV. The data provide the information of the γn → ηn reaction above E_γ ≥ 800 MeV. The total cross section shows a narrow resonance structure peaked at E_γ= 1020 MeV. The angular distribution coefficients together with the total cross section are compared with the calculation of the isobar model by using the impulse approximation. Although the spin and parity of the resonance cannot be determined unambiguously, a negative parity assignment gives better fit to the data.

• 理論物理学刊行会の論文
• 2007-11-09

著者

• YOSHIDA H.

  Department of Materials Science, Graduate School of Engineering, Tohoku University

• Ishikawa T.

  Laboratory of Nuclear ScienCe, TohCku University

• Shimizu H.

  Laboratory of Nuclear ScienCe, TohCku University

• Inagaki T.

  KEK

• Nakano T.

  Department Of Physics Kyoto University

• Suzuki Kenji

  Department Of Physics Kyushu Insitute Of Technology

• Maeda K.

  Department of Physics, Kanagawa, Dental College

• Kawasuso H.

  Department Of Physics University Of Tokushima

• Ishigami T

  Stefan Meyer Institut Fur Subatomare Physik

• Suzuki K.

  Laboratory of Nuclear Science, Tohoku University

• Miyahara F.

  Laboratory of Nuclear Science

• Kinoshita T.

  Laboratory of Nuclear Science

• Yamazaki H.

  Laboratory of Nuclear Science

• Kasagi J.

  Laboratory of Nuclear Science

• Nakabayashi T.

  Laboratory of Nuclear Science

• Fukasawa H.

  Laboratory of Nuclear Science, Tohoku University

• Nawa K.

  Laboratory of Nuclear Science, Tohoku University

• Kanda H.

  Department of Physics, Tolioku University

• Takahashi T.

  KEK

• Tajima Y.

  Department Of Physics Yamagata University

• Suzuki K

  Stefan Meyer Institute For Subatomic Physics Austrian Academy Of Sciences

• Iwata T.

  Department Of Pharmacology Institute Of Health Biosciences The University Of Tokushima Graduate Scho

• Itahashi T.

  Department Of Physics Kyushu University

• Yoshida H.y.

  Department Of Physics Yamagata University

• Yoshida H.

  Department Of Physics Yamagata University

• Shishido T.

  Department of Cardiovascular Dynamics and Department of Cardiology, National Cardiovascular Center

• Kato H.

  Department Of Physics Tohoku University

• Nomura T.

  Department of Biology, Faculty of Science, Chiba University

• Nawai K.

  Laboratory Of Nuclear Science Tohoku University

• Hashimito R.

  Laboratory Of Nuclear Science Tohoku University

• HASHIMOTO R.

  Laboratory of Nuclear Science, Tohoku University

• UENO H.

  Laboratory of Nuclear Science, Tohoku University

• Shibuya H.

  Icrr Univ. Of Tokyo

• Kasagi J.

  Laboratory Of Nuclear Science Tohoku University

• Takahashi T.

  Researoh Center For Electron Photon Science Tohoku University

• Fukasawa H.

  Laboratory Of Nuclear Science Tohoku University

• Miyahara F.

  Laboratory Of Nuclear Science Tohoku University

• Miyano K.

  Tohoku University

• Sasaki T.

  Department Of Physics Yamagata University

• Shishido T.

  Department Of Cardiovascular Dynamics And Department Of Cardiology National Cardiovascular Center

• Kinoshita T.

  Tohoku University

• Yamazaki H.

  Researoh Center For Electron Photon Science Tohoku University

• Kanda H.

  Department Of Physics Kyoto University

• SHISHIDO T.

  Department of Physics, Yamagata University

• KANDA H.

  Department of Physics, Tohoku University

• Miyahara F.

  Laboratory of Nuclear Science, Tohoku University

• YOSHIDA H.

  Department of Physics, Yamagata University

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