Status of J-PARC K1.8 Beam Line
Department of Physics, Seoul National University,
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The commissioning of the K1.8 beam line in the hadron hall of J-PARC has been going very well. In November 2011, the first physics data was taken for E19 experiment, which is the day-one experiment in the hadron hall of J-PARC. A preliminary result of E19 exhibits no peak for pentaquark Θ+ around 1540 MeV.
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