Overview of BGOegg experiment

The BGOegg experiment is a multipurpose project utilizing a detector system centered on a large solid-angle electromagnetic calorimeter to proceed research on hadron photo-production. Currently, the detector system is installed at the SPring-8/LEPS2 beamline. From 2013 to 2015, a linearly poralized photon beam with energies of 1.3-2.9 GeV was irradiated on liquid hydrogen, liquid deuterium, and nuclear targets. Several physicsl results on hadron photoproduction have been published in papers. Recently, the main goal of the experiment has been to study the mass origin of the η’ meson, and an update to the detector system is underway.

*This research is supported in part by the Ministry of Education, Cuture, Sports, Science and Technology of Japan, JSPS KAKENHI Grant Nos. 19002003, 24244022, 21H04986, and the Ministry of Science and Technology of Taiwan.


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The paper on the differential cross section of η photo-production was published!