Search for via the pion induced reaction at J-PARC; J-PARC E19

Shirotori, Kotaro

The pentaquark baryon was searched for via the reaction at J-PARC. meson beams were irradiated on the liquid hydrogen target with the beam momentum of 1.92 GeV/. In the missing mass spectrum, no peak structure corresponding to $Theta^{+}$ mass was observed. The preliminary upper limit of the differential cross section averaged over the scattering angle of 2 $^{circ}$ to 15 $^{circ}$ at the laboratory frame was less than 0.3 b/sr at the 90% confidence level in the missing mass region over 1.51 GeV/ to 1.55 GeV/.

Language	:	English
Journal	:	Few-Body Systems
Volume	:	54
Number	:	1-4
Pages	:	p.145 - 150
Publication Year/Month	:	2013/03
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Paper URL	:	https://doi.org/10.1007/s00601-012-0367-5
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Keywords	:	no keyword
Research Facility	:	J-PARC原子核素粒子実験施設
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Registration No. : AA20120112
JAEA Abstracts No. : 41000441
Paper Submission No. : 12098

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