About: http://webisa.webdatacommons.org/411105668

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	SLAC???s accelerator caused collisions between electrons and their antimatter counterparts, positrons, creating B and anti-B mesons???rare forms of matter and anti-matter.
http://www.w3.org/ns/prov#wasQuotedFrom	uvic.ca