Physicists from the US and Israel have lauded a discovery led by Chinese researchers, presenting what is considered the most compelling evidence to date for the existence of a "glueball." This elusive particle is theorized to be composed entirely of force, a significant finding in the field of particle physics. AI
RANK_REASON The cluster reports on a scientific discovery and evidence presented by researchers, fitting the 'research' bucket. [lever_c_demoted from research: ic=1 ai=0.1]
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