Recent Results and Prospects on the Θ^+ Study at LEPS(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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• The LEPS experiment at SPring-8 has collected data in reactions of 1.5-2.4 GeV photons with a liquid deuterium target. The pentaquark baryon Θ^+ was searched for in a missing mass spectrum of K^- and proton from a deuteron. A peak structure of 4-5σ was observed at 1.53 GeV/c^2 above background spectra which were estimated by two complementary methods. Further data is being collected with a higher intensity beam. Confirmations and systematic studies of the Θ^+ will continue at new facilities of SPring-8 and J-PARC.

• 理論物理学刊行会の論文
• 2007-11-09

著者

• Muramatsu Norihito

  Research Center For Nuclear Physics Osaka University

• MURAMATSU Norihito

  Research Center for Nuclear Physics, Osaka University

関連論文

• Recent Results and Prospects on the Θ^+ Study at LEPS(Pentaquarks and related topics, Exotic hadrons, New Frontiers in QCD-Exotic Hadrons and Hadronic Matter-)

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