Recent Progress and Results of LEPS, LEPS2, and ELPH |
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Authors: | Norihito Muramatsu |
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Institution: | 1. Research Center for Electron Photon Science, Tohoku University, Sendai, Miyagi, 982-0826, Japan
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Abstract: | Hadron photoproduction reactions are complementarily studied at SPring-8/LEPS and ELPH, Tohoku University. Their recent results on hadron structure and interaction are summarized in the present article. On the pentaquark candidate Θ+, a clear peak structure is seen in new exclusive analyses using increased statistics data of the γ d→K+K?X reaction. A new project LEPS2 has started at SPring-8 in conjunction with LEPS and ELPH. Recent progress is discussed including a new photon detector system BGO-EGG, which is under construction at ELPH. LEPS2 beam commissioning will start from the end of FY2012. |
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